copies: tests and fix parallel computation of changed file information The code was mixing variable name and misbehaving in some case. This changeset fix it and also add a tests to validate it does not regress. Without the fix, the parallel-upgrade misbehavior in random ways. Differential Revision: https://phab.mercurial-scm.org/D10084

config: test priority involving alias and cli Differential Revision: https://phab.mercurial-scm.org/D9920

config: test priority involving alias and include Differential Revision: https://phab.mercurial-scm.org/D9919

config: test priority involving alias Differential Revision: https://phab.mercurial-scm.org/D9918

rhg: Check .hg/requires for absence of required features Some old repository layouts are not supported. Differential Revision: https://phab.mercurial-scm.org/D10076

rhg: Bug fix: with share-safe, always read store requirements That is, the `store/requires` file, regardless of whether the repository is a shared. Differential Revision: https://phab.mercurial-scm.org/D10078

copies-rust: pass closures and iterators instead of `&ChangedFiles` … to some functions that only use one method. This will makes it easier to unit-test them. Differential Revision: https://phab.mercurial-scm.org/D10070

copies-rust: pass `PathToken` around by value It’s just a `usize`. Differential Revision: https://phab.mercurial-scm.org/D10069

tests: correct a commit description in test-copies-chain-merge.t Differential Revision: https://phab.mercurial-scm.org/D10065

fuzz: if the caller of our makefile sets CC and CXX, trust them This should fix the broken fuzzing build, because we've been explicitly using clang++ but are now being given a CXX=afl++, which does extra stuff. Differential Revision: https://phab.mercurial-scm.org/D10066

rhg: Use clap’s support for global CLI arguments By default, clap only accepts app-level arguments (as opposed to sub-command level) to be specified before a sub-command: `rhg -R ./foo log`. Specifying them after would be rejected: `rhg log -R ./foo`. Previously we worked around that by registering global arguments both at the app level and on each sub-command, but that required looking for their value in two places. It turns out that Clap has built-in support for what we want to do, so let’s use it. Also, Clap "settings" turn out to be either global or not too. Let’s make `AllowInvalidUtf8` apply to sub-commands too. Differential Revision: https://phab.mercurial-scm.org/D10080

revlog: add a mechanism to verify expected file position before appending If someone uses `hg debuglocks`, or some non-hg process writes to the .hg directory without respecting the locks, or if the repo's on a networked filesystem, it's possible for the revlog code to write out corrupted data. The form of this corruption can vary depending on what data was written and how that happened. We are in the "networked filesystem" case (though I've had users also do this to themselves with the "`hg debuglocks`" scenario), and most often see this with the changelog. What ends up happening is we produce two items (let's call them rev1 and rev2) in the .i file that have the same linkrev, baserev, and offset into the .d file, while the data in the .d file is appended properly. rev2's compressed_size is accurate for rev2, but when we go to decompress the data in the .d file, we use the offset that's recorded in the index file, which is the same as rev1, and attempt to decompress rev2.compressed_size bytes of rev1's data. This usually does not succeed. :) When using inline data, this also fails, though I haven't investigated why too closely. This shows up as a "patch decode" error. I believe what's happening there is that we're basically ignoring the offset field, getting the data properly, but since baserev != rev, it thinks this is a delta based on rev (instead of a full text) and can't actually apply it as such. For now, I'm going to make this an optional component and default it to entirely off. I may increase the default severity of this in the future, once I've enabled it for my users and we gain more experience with it. Luckily, most of my users have a versioned filesystem and can roll back to before the corruption has been written, it's just a hassle to do so and not everyone knows how (so it's a support burden). Users on other filesystems will not have that luxury, and this can cause them to have a corrupted repository that they are unlikely to know how to resolve, and they'll see this as a data-loss event. Refusing to create the corruption is a much better user experience. This mechanism is not perfect. There may be false-negatives (racy writes that are not detected). There should not be any false-positives (non-racy writes that are detected as such). This is not a mechanism that makes putting a repo on a networked filesystem "safe" or "supported", just *less* likely to cause corruption. Differential Revision: https://phab.mercurial-scm.org/D9952

narrow: remove assertion about working copy being clean The user can always modify the working copy, including while they're running `hg tracked --remove-include <path>`. Nothing really bad happens when they do that, and we already have code for printing a nice warning, so we can safely remove the assertion we had. Differential Revision: https://phab.mercurial-scm.org/D10063

tests: demonstrate assertion error when modifying working copy while narrowing Differential Revision: https://phab.mercurial-scm.org/D10062

ci: test real dependency installation for pip In the past, the pip smoke test inhibited actual dependency installation, but that fails in different environments for setuptools itself. Since it isn't what we actually want to test (which is pip install), allow this to call home, if HGTESTS_ALLOW_NETIO=1 is set in the environment. Differential Revision: https://phab.mercurial-scm.org/D9950

rust: Add some unit tests for parse_byte_size in config Differential Revision: https://phab.mercurial-scm.org/D10022

rust: Move config value parsing functions to a new module Differential Revision: https://phab.mercurial-scm.org/D10021

rhg: Add support for the blackbox extension Only `command` and `commandfinish` events are logged. The `dirty`, `logsource`, `track` and `ignore` configuration items are not supported yet. To indicate commands executed without Python, a `(rust) ` prefix is added in corresponding log messages. Differential Revision: https://phab.mercurial-scm.org/D10012

blackbox: Remove misleading quotes in config example This example previously looked like quotes were part of configuration file syntax, and the parsed `date-format` value was the part inside of them. This is not the case: config syntax only parses quotes in list values. Instead using that config would result in literal quotes being written to `.hg/blackbox.log` as part of the date format. This changes the example to what was probably intended. Differential Revision: https://phab.mercurial-scm.org/D10011

rust: Add a log file rotation utility This is ported to Rust from `mercurial/loggingutil.py`. The "builder" pattern is used to make it visible at call sites what the two numeric parameters mean. In Python they might simply by keyword arguments. Differential Revision: https://phab.mercurial-scm.org/D10010

rust: Add a `ConfigValueParseError` variant to common errors Configuration files are parsed into sections of key/value pairs when they are read, but at that point values are still arbitrary bytes. Only when a value is accessed by various parts of the code do we know its expected type and syntax, so values are parsed at that point. Let’s make a new error type for this latter kind of parsing error, and add a variant to the common `HgError` so that most code can propagate it without much boilerplate. Differential Revision: https://phab.mercurial-scm.org/D10009

rust: Add config parsing support for more value types * Rust `str` (ASCII or UTF-8) * Integer * Byte quantities Differential Revision: https://phab.mercurial-scm.org/D10008

rust: Introduce a get_bytes_from_os_str utility function It does the same as get_bytes_from_path but takes an `OsStr` instead of a `Path`. The implementation is the same so using either ends up correct but the function name suggests it’s not. Differential Revision: https://phab.mercurial-scm.org/D10007

rust: Make `DirstateParents`’s fields typed `Node`s Instead of plain byte arrays. Differential Revision: https://phab.mercurial-scm.org/D10006

rust: Rewrite dirstate parsing usin the `bytes-cast` crate Differential Revision: https://phab.mercurial-scm.org/D10005

rhg: Move `Repo` object creation into `main()` … rather than in each sub-command that needs a local repository. This will allow accessing e.g. `.hg/blackbox.log` before dispatching to sub-commands. Differential Revision: https://phab.mercurial-scm.org/D10004

rhg: Group values passed to every sub-command into a struct The set of which values this is is evidently not stable yet, so this will make changes easier. Also it is growing, and the function signatures are getting out hand. Differential Revision: https://phab.mercurial-scm.org/D10003

rhg: Remove error message on unsupported CLI arguments Like in other "unsupported" cases that return a specific exit code Differential Revision: https://phab.mercurial-scm.org/D10002

copies-rust: send PyBytes values back be dropped ino the parent thread … instead of acquiring the GIL in the Rust thread in the Drop impl This commit is based on the premise that crossbeam-channel with unbounded send and non-blocking receive is faster than a contended GIL, but that remains to be measured. Differential Revision: https://phab.mercurial-scm.org/D9686

copies-rust: introduce PyBytesWithData to reduce GIL requirement See explanations in new doc-comments. Differential Revision: https://phab.mercurial-scm.org/D9685

copies-rust: move CPU-heavy Rust processing into a child thread … that runs in parallel with the parent thread fetching data. This can be disabled through a new config. CLI example: hg --config=devel.copy-tracing.multi-thread=no For now both threads use the GIL, later commits will reduce this. Differential Revision: https://phab.mercurial-scm.org/D9684

copies-rust: split up combine_changeset_copies function into a struct … such that each iteration of its former loop is now a method call, with the caller driving the loop. This entirely removes the need for the `DataHolder` hack: the method now takes a `ChangedFiles<'_>` parameter that borrows a bytes buffer that can be owned by the caller’s stack frame, just for the duration of that call. Differential Revision: https://phab.mercurial-scm.org/D9683

copies-rust: extract generic map merge logic from merge_copies_dict This deduplicates the copy-tracing-specific logic Differential Revision: https://phab.mercurial-scm.org/D9682

copies-rust: use imrs::OrdSet instead of imrs::HashSet This yield small speedup all over the board, and a large one for our slower cases: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 2.034596 s, 1.465264 s, -0.569332 s, × 0.7202, 15 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.694030 s, 0.690376 s, -0.003654 s, × 0.9947, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 4.407723 s, 4.011322 s, -0.396401 s, × 0.9101, 11 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.574355 s, 0.573541 s, -0.000814 s, × 0.9986, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 4.457827 s, 3.981133 s, -0.476694 s, × 0.8931, 10 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.351696 s, 3.996647 s, -0.355049 s, × 0.9184, 11 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 80.828689 s, 50.244975 s, -30.583714 s, × 0.6216, 219 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 34.094064 s, 20.030023 s, -14.064041 s, × 0.5875, 52 µs/rev private : 459513 revs, 27.435529 s, 24.490825 s, -2.944704 s, × 0.8927, 53 µs/rev We also got significantly faster than the implementation using is_ancestors except for one of our reference case: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 5.138169 s, 4.011322 s, -1.126847 s, × 0.7807, 11 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 5.127809 s, 3.981133 s, -1.146676 s, × 0.7764, 10 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.971136 s, 3.996647 s, -0.974489 s, × 0.8040, 11 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.741678 s, 1.520607 s, -0.221071 s, × 0.8731, 7 µs/rev private : 459513 revs, 37.179470 s, 24.490825 s, -12.688645 s, × 0.6587, 53 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 40.314822 s, 50.244975 s, +9.930153 s, × 1.2463, 219 µs/rev Below are three different benchmark comparing this changeset to: * the previous one, * the implementation based on `is_anscestors`, * the filelog copy tracing. ### Compared to the previous ones Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000043 s, 0.000041 s, -0.000002 s, × 0.9535, 41 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000114 s, 0.000116 s, +0.000002 s, × 1.0175, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004899 s, 0.004933 s, +0.000034 s, × 1.0069, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000196 s, 0.000193 s, -0.000003 s, × 0.9847, 21 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000049 s, 0.000048 s, -0.000001 s, × 0.9796, 48 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000117 s, 0.000114 s, -0.000003 s, × 0.9744, 16 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.6f1f4a s, 0.000319 s, -0.000003 s, × 0.9907, 319 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.011856 s, 0.012025 s, +0.000169 s, × 1.0143, 2004 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.050992 s, 0.050525 s, -0.000467 s, × 0.9908, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.087444 s, 0.085713 s, -0.001731 s, × 0.9802, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.062487 s, 0.061825 s, -0.000662 s, × 0.9894, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.634909 s, 0.543998 s, -0.090911 s, × 0.8568, 12 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.013360 s, 0.013455 s, +0.000095 s, × 1.0071, 6727 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.120775 s, 0.117479 s, -0.003296 s, × 0.9727, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000085 s, 0.000084 s, -0.000001 s, × 0.9882, 42 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000108 s, 0.000111 s, +0.000003 s, × 1.0278, 55 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000176 s, 0.000175 s, -0.000001 s, × 0.9943, 58 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000747 s, 0.000732 s, -0.000015 s, × 0.9799, 81 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.010128 s, 0.010062 s, -0.000066 s, × 0.9935, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015899 s, 0.015659 s, -0.000240 s, × 0.9849, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.062215 s, 0.062744 s, +0.000529 s, × 1.0085, 10 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.521004 s, 0.499449 s, -0.021555 s, × 0.9586, 7 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000090 s, 0.000088 s, -0.000002 s, × 0.9778, 44 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000264 s, 0.000266 s, +0.000002 s, × 1.0076, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000186 s, 0.000182 s, -0.000004 s, × 0.9785, 20 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000660 s, 0.000656 s, -0.000004 s, × 0.9939, 93 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003542 s, 0.003389 s, -0.000153 s, × 0.9568, 1129 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.071574 s, 0.075882 s, +0.004308 s, × 1.0602, 12647 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006498 s, 0.006479 s, -0.000019 s, × 0.9971, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005206 s, 0.004889 s, -0.000317 s, × 0.9391, 119 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.065535 s, 0.064394 s, -0.001141 s, × 0.9826, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027139 s, 0.026815 s, -0.000324 s, × 0.9881, 43 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.201924 s, 0.cc85eb s, +0.000940 s, × 1.0047, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.257201 s, 1.219445 s, -0.037756 s, × 0.9700, 7 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 1.663045 s, 1.613857 s, -0.049188 s, × 0.9704, 7 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000866 s, 0.000873 s, +0.000007 s, × 1.0081, 436 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000883 s, 0.000885 s, +0.000002 s, × 1.0023, 442 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000163 s, 0.000161 s, -0.000002 s, × 0.9877, 40 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.001139 s, 0.001138 s, -0.000001 s, × 0.9991, 569 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.032753 s, 0.033399 s, +0.000646 s, × 1.0197, 33399 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.073266 s, 0.075445 s, +0.002179 s, × 1.0297, 12574 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006567 s, 0.006456 s, -0.000111 s, × 0.9831, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005427 s, 0.005462 s, +0.000035 s, × 1.0064, 133 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.064058 s, 0.064117 s, +0.000059 s, × 1.0009, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.303320 s, 0.297563 s, -0.005757 s, × 0.9810, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.288456 s, 0.282463 s, -0.005993 s, × 0.9792, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.085925 s, 0.084038 s, -0.001887 s, × 0.9780, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027302 s, 0.027306 s, +0.000004 s, × 1.0001, 44 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 2.034596 s, 1.465264 s, -0.569332 s, × 0.7202, 15 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.694030 s, 0.690376 s, -0.003654 s, × 0.9947, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 4.407723 s, 4.011322 s, -0.396401 s, × 0.9101, 11 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.574355 s, 0.573541 s, -0.000814 s, × 0.9986, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 4.457827 s, 3.981133 s, -0.476694 s, × 0.8931, 10 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.351696 s, 3.996647 s, -0.355049 s, × 0.9184, 11 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.570065 s, 1.520607 s, -0.049458 s, × 0.9685, 7 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 80.828689 s, 50.244975 s, -30.583714 s, × 0.6216, 219 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 34.094064 s, 20.030023 s, -14.064041 s, × 0.5875, 52 µs/rev private : 459513 revs, 27.435529 s, 24.490825 s, -2.944704 s, × 0.8927, 53 µs/rev ### Compared to the implementation using `is_anscestor` Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000042 s, 0.000041 s, -0.000001 s, × 0.9762, 41 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000110 s, 0.000116 s, +0.000006 s, × 1.0545, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004945 s, 0.004933 s, -0.000012 s, × 0.9976, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000192 s, 0.000193 s, +0.000001 s, × 1.0052, 21 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000049 s, 0.000048 s, -0.000001 s, × 0.9796, 48 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000112 s, 0.000114 s, +0.000002 s, × 1.0179, 16 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000323 s, 0.000319 s, -0.000004 s, × 0.9876, 319 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.010042 s, 0.012025 s, +0.001983 s, × 1.1975, 2004 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.049813 s, 0.050525 s, +0.000712 s, × 1.0143, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.079937 s, 0.085713 s, +0.005776 s, × 1.0723, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.059412 s, 0.061825 s, +0.002413 s, × 1.0406, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.533769 s, 0.543998 s, +0.010229 s, × 1.0192, 12 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.013147 s, 0.013455 s, +0.000308 s, × 1.0234, 6727 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.110680 s, 0.117479 s, +0.006799 s, × 1.0614, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000085 s, 0.000084 s, -0.000001 s, × 0.9882, 42 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000111 s, +0.000004 s, × 1.0374, 55 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000175 s, 0.000175 s, +0.000000 s, × 1.0000, 58 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000720 s, 0.000732 s, +0.000012 s, × 1.0167, 81 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.010019 s, 0.010062 s, +0.000043 s, × 1.0043, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015602 s, 0.015659 s, +0.000057 s, × 1.0037, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.058759 s, 0.062744 s, +0.003985 s, × 1.0678, 10 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.491550 s, 0.499449 s, +0.007899 s, × 1.0161, 7 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000087 s, 0.000088 s, +0.000001 s, × 1.0115, 44 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000268 s, 0.000266 s, -0.000002 s, × 0.9925, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000181 s, 0.000182 s, +0.000001 s, × 1.0055, 20 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000661 s, 0.000656 s, -0.000005 s, × 0.9924, 93 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003256 s, 0.003389 s, +0.000133 s, × 1.0408, 1129 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.066749 s, 0.075882 s, +0.009133 s, × 1.1368, 12647 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006462 s, 0.006479 s, +0.000017 s, × 1.0026, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.004919 s, 0.004889 s, -0.000030 s, × 0.9939, 119 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.062421 s, 0.064394 s, +0.001973 s, × 1.0316, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.026633 s, 0.026815 s, +0.000182 s, × 1.0068, 43 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.197792 s, 0.cc85eb s, +0.005072 s, × 1.0256, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.259970 s, 1.219445 s, -0.040525 s, × 0.9678, 7 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 1.689184 s, 1.613857 s, -0.075327 s, × 0.9554, 7 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000865 s, 0.000873 s, +0.000008 s, × 1.0092, 436 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000893 s, 0.000885 s, -0.000008 s, × 0.9910, 442 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000172 s, 0.000161 s, -0.000011 s, × 0.9360, 40 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.001159 s, 0.001138 s, -0.000021 s, × 0.9819, 569 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.031621 s, 0.033399 s, +0.001778 s, × 1.0562, 33399 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.068571 s, 0.075445 s, +0.006874 s, × 1.1002, 12574 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006452 s, 0.006456 s, +0.000004 s, × 1.0006, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005443 s, 0.005462 s, +0.000019 s, × 1.0035, 133 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.063180 s, 0.064117 s, +0.000937 s, × 1.0148, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.293564 s, 0.297563 s, +0.003999 s, × 1.0136, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.286595 s, 0.282463 s, -0.004132 s, × 0.9856, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.083256 s, 0.084038 s, +0.000782 s, × 1.0094, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027282 s, 0.027306 s, +0.000024 s, × 1.0009, 44 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 1.343373 s, 1.465264 s, +0.121891 s, × 1.0907, 15 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.665737 s, 0.690376 s, +0.024639 s, × 1.0370, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 5.138169 s, 4.011322 s, -1.126847 s, × 0.7807, 11 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.573276 s, 0.573541 s, +0.000265 s, × 1.0005, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 5.127809 s, 3.981133 s, -1.146676 s, × 0.7764, 10 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.971136 s, 3.996647 s, -0.974489 s, × 0.8040, 11 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.741678 s, 1.520607 s, -0.221071 s, × 0.8731, 7 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 40.314822 s, 50.244975 s, +9.930153 s, × 1.2463, 219 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 20.048029 s, 20.030023 s, -0.018006 s, × 0.9991, 52 µs/rev private : 459513 revs, 37.179470 s, 24.490825 s, -12.688645 s, × 0.6587, 53 µs/rev ### Compared to the filelog based copy tracing Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000918 s, 0.000041 s, -0.000877 s, × 0.044662, 40 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.001853 s, 0.000116 s, -0.001737 s, × 0.062601, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.018994 s, 0.004933 s, -0.014061 s, × 0.259714, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.001532 s, 0.000193 s, -0.001339 s, × 0.125979, 21 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.210633 s, 0.000048 s, -0.210585 s, × 0.000228, 47 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.017041 s, 0.000114 s, -0.016927 s, × 0.006690, 16 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.019474 s, 0.000319 s, -0.019155 s, × 0.016381, 318 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.763136 s, 0.012025 s, -0.751111 s, × 0.015757, 2003 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 1.226569 s, 0.050525 s, -1.176044 s, × 0.041192, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 1.314572 s, 0.085713 s, -1.228859 s, × 0.065202, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 1.686022 s, 0.061825 s, -1.624197 s, × 0.036669, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.001110 s, 0.543998 s, +0.542888 s, × 490.0882, 12 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 1.106265 s, 0.013455 s, -1.092810 s, × 0.012163, 6724 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 1.377398 s, 0.117479 s, -1.259919 s, × 0.085291, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.028579 s, 0.000084 s, -0.028495 s, × 0.002939, 41 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.133644 s, 0.000111 s, -0.133533 s, × 0.000831, 55 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.025988 s, 0.000175 s, -0.025813 s, × 0.006734, 58 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.053011 s, 0.000732 s, -0.052279 s, × 0.013808, 81 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.037858 s, 0.010062 s, -0.027796 s, × 0.265783, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.200517 s, 0.015659 s, -0.184858 s, × 0.078093, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.964542 s, 0.062744 s, -0.901798 s, × 0.065051, 10 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 3.976210 s, 0.499449 s, -3.476761 s, × 0.125609, 7 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.025172 s, 0.000088 s, -0.025084 s, × 0.003496, 43 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.145144 s, 0.000266 s, -0.144878 s, × 0.001833, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.026139 s, 0.000182 s, -0.025957 s, × 0.006963, 20 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.086184 s, 0.000656 s, -0.085528 s, × 0.007612, 93 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.203187 s, 0.003389 s, -0.199798 s, × 0.016679, 1129 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 2.255675 s, 0.075882 s, -2.179793 s, × 0.033640, 12644 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.091147 s, 0.006479 s, -0.084668 s, × 0.071083, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.767530 s, 0.004889 s, -0.762641 s, × 0.006370, 119 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 1.185330 s, 0.064394 s, -1.120936 s, × 0.054326, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 6.831179 s, 0.026815 s, -6.804364 s, × 0.003925, 43 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 3.373551 s, 0.cc85eb s, -3.170687 s, × 0.060134, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 16.540604 s, 1.219445 s, -15.321159 s, × 0.073724, 7 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 21.527155 s, 1.613857 s, -19.913298 s, × 0.074968, 7 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.084540 s, 0.000873 s, -0.083667 s, × 0.010326, 436 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.507151 s, 0.000885 s, -0.506266 s, × 0.001745, 442 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.021748 s, 0.000161 s, -0.021587 s, × 0.007403, 40 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.236786 s, 0.001138 s, -0.235648 s, × 0.004806, 568 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 1.111735 s, 0.033399 s, -1.078336 s, × 0.030042, 33365 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 2.228030 s, 0.075445 s, -2.152585 s, × 0.033862, 12572 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.091289 s, 0.006456 s, -0.084833 s, × 0.070720, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.771361 s, 0.005462 s, -0.765899 s, × 0.007081, 133 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 1.189483 s, 0.064117 s, -1.125366 s, × 0.053903, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.089756 s, 0.297563 s, +0.207807 s, × 3.315244, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.084888 s, 0.282463 s, +0.197575 s, × 3.327479, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 7.682665 s, 0.084038 s, -7.598627 s, × 0.010939, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 6.894680 s, 0.027306 s, -6.867374 s, × 0.003960, 44 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 7.650907 s, 1.465264 s, -6.185643 s, × 0.191515, 15 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 9.898788 s, 0.690376 s, -9.208412 s, × 0.069743, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 0.092208 s, 4.011322 s, +3.919114 s, × 43.50297, 11 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 28.130003 s, 0.573541 s, -27.556462 s, × 0.020389, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 0.093366 s, 3.981133 s, +3.887767 s, × 42.64007, 10 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 0.229368 s, 3.996647 s, +3.767279 s, × 17.42460, 11 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 19.624851 s, 1.520607 s, -18.104244 s, × 0.077484, 7 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 22.070126 s, 50.244975 s, +28.174849 s, × 2.276606, 219 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 26.006524 s, 20.030023 s, -5.976501 s, × 0.770192, 52 µs/rev private : 459513 revs, 18.704612 s, 24.490825 s, +5.786213 s, × 1.309347, 53 µs/rev Differential Revision: https://phab.mercurial-scm.org/D9656

copies-rust: use simpler overwrite when value on both side are identical If the value are the same, their "overwritten" set is the same and we don't need to combine them. It helps our slower cases Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 86.722016 s, 80.828689 s, -5.893327 s, × 0.9320, 352 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 35.113727 s, 34.094064 s, -1.019663 s, × 0.9710, 89 µs/rev Full comparison with the previous revision below: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000043 s, 0.000043 s, +0.000000 s, × 1.0000, 43 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000114 s, 0.000114 s, +0.000000 s, × 1.0000, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004899 s, 0.004899 s, +0.000000 s, × 1.0000, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000196 s, 0.000196 s, +0.000000 s, × 1.0000, 21 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000050 s, 0.000049 s, -0.000001 s, × 0.9800, 49 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000125 s, 0.000117 s, -0.000008 s, × 0.9360, 16 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000321 s, 0.6f1f4a s, +0.000001 s, × 1.0031, 322 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.011948 s, 0.011856 s, -0.000092 s, × 0.9923, 1976 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.051267 s, 0.050992 s, -0.000275 s, × 0.9946, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.087755 s, 0.087444 s, -0.000311 s, × 0.9965, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.061818 s, 0.062487 s, +0.000669 s, × 1.0108, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.634253 s, 0.634909 s, +0.000656 s, × 1.0010, 14 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.013179 s, 0.013360 s, +0.000181 s, × 1.0137, 6680 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.119643 s, 0.120775 s, +0.001132 s, × 1.0095, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000085 s, 0.000085 s, +0.000000 s, × 1.0000, 42 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000108 s, +0.000001 s, × 1.0093, 54 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000176 s, 0.000176 s, +0.000000 s, × 1.0000, 58 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000743 s, 0.000747 s, +0.000004 s, × 1.0054, 83 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.010246 s, 0.010128 s, -0.000118 s, × 0.9885, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015853 s, 0.015899 s, +0.000046 s, × 1.0029, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.062971 s, 0.062215 s, -0.000756 s, × 0.9880, 10 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.518337 s, 0.521004 s, +0.002667 s, × 1.0051, 7 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000090 s, 0.000090 s, +0.000000 s, × 1.0000, 45 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000268 s, 0.000264 s, -0.000004 s, × 0.9851, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000187 s, 0.000186 s, -0.000001 s, × 0.9947, 20 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000661 s, 0.000660 s, -0.000001 s, × 0.9985, 94 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003494 s, 0.003542 s, +0.000048 s, × 1.0137, 1180 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.070509 s, 0.071574 s, +0.001065 s, × 1.0151, 11929 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006489 s, 0.006498 s, +0.000009 s, × 1.0014, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005070 s, 0.005206 s, +0.000136 s, × 1.0268, 126 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.065241 s, 0.065535 s, +0.000294 s, × 1.0045, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027284 s, 0.027139 s, -0.000145 s, × 0.9947, 44 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.203671 s, 0.201924 s, -0.001747 s, × 0.9914, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.239373 s, 1.257201 s, +0.017828 s, × 1.0144, 8 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 1.649803 s, 1.663045 s, +0.013242 s, × 1.0080, 8 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000868 s, 0.000866 s, -0.000002 s, × 0.9977, 433 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000885 s, 0.000883 s, -0.000002 s, × 0.9977, 441 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000165 s, 0.000163 s, -0.000002 s, × 0.9879, 40 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.001147 s, 0.001139 s, -0.000008 s, × 0.9930, 569 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.032885 s, 0.032753 s, -0.000132 s, × 0.9960, 32752 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.071304 s, 0.073266 s, +0.001962 s, × 1.0275, 12211 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006506 s, 0.006567 s, +0.000061 s, × 1.0094, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005486 s, 0.005427 s, -0.000059 s, × 0.9892, 132 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.064677 s, 0.064058 s, -0.000619 s, × 0.9904, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.306000 s, 0.303320 s, -0.002680 s, × 0.9912, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.288217 s, 0.288456 s, +0.000239 s, × 1.0008, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.086117 s, 0.085925 s, -0.000192 s, × 0.9978, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027512 s, 0.027302 s, -0.000210 s, × 0.9924, 44 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 1.998239 s, 2.034596 s, +0.036357 s, × 1.0182, 20 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.688201 s, 0.694030 s, +0.005829 s, × 1.0085, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 4.389428 s, 4.407723 s, +0.018295 s, × 1.0042, 12 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.578736 s, 0.574355 s, -0.004381 s, × 0.9924, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 4.363599 s, 4.457827 s, +0.094228 s, × 1.0216, 12 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.324129 s, 4.351696 s, +0.027567 s, × 1.0064, 12 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.565727 s, 1.570065 s, +0.004338 s, × 1.0028, 8 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 86.722016 s, 80.828689 s, -5.893327 s, × 0.9320, 352 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 35.113727 s, 34.094064 s, -1.019663 s, × 0.9710, 89 µs/rev private : 459513 revs, 27.397070 s, 27.435529 s, +0.038459 s, × 1.0014, 59 µs/rev Differential Revision: https://phab.mercurial-scm.org/D9655

copies-rust: make more use of the new comparison property We deal with the "both are the same" sooner and simplify the rest of the conditional. Differential Revision: https://phab.mercurial-scm.org/D9654

copies-rust: implement PartialEqual manually Now that we know that each (dest, rev) pair has at most a unique CopySource, we can simplify comparison a lot. This "simple" step buy a good share of the previous slowdown back in some case: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 43.304637 s, 34.443661 s, -8.860976 s, × 0.7954, 90 µs/rev Full benchmark: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000043 s, 0.000043 s, +0.000000 s, × 1.0000, 43 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000114 s, 0.000117 s, +0.000003 s, × 1.0263, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004937 s, 0.004892 s, -0.000045 s, × 0.9909, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000339 s, 0.000196 s, -0.000143 s, × 0.5782, 21 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000049 s, 0.000050 s, +0.000001 s, × 1.0204, 50 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000202 s, 0.000117 s, -0.000085 s, × 0.5792, 16 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000409 s, 0.6f1f4a s, -0.000087 s, × 0.7873, 322 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.011984 s, 0.011949 s, -0.000035 s, × 0.9971, 1991 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.050820 s, 0.050802 s, -0.000018 s, × 0.9996, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.087953 s, 0.088090 s, +0.000137 s, × 1.0016, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.062902 s, 0.062079 s, -0.000823 s, × 0.9869, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.679234 s, 0.635337 s, -0.043897 s, × 0.9354, 14 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.013095 s, 0.013262 s, +0.000167 s, × 1.0128, 6631 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.120910 s, 0.120085 s, -0.000825 s, × 0.9932, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000087 s, 0.000085 s, -0.000002 s, × 0.9770, 42 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000110 s, +0.000003 s, × 1.0280, 55 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000186 s, 0.000177 s, -0.000009 s, × 0.9516, 59 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000754 s, 0.000743 s, -0.000011 s, × 0.9854, 82 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.010443 s, 0.010168 s, -0.000275 s, × 0.9737, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015697 s, 0.015946 s, +0.000249 s, × 1.0159, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.063528 s, 0.062712 s, -0.000816 s, × 0.9872, 10 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.545515 s, 0.523832 s, -0.021683 s, × 0.9603, 7 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000089 s, 0.000090 s, +0.000001 s, × 1.0112, 45 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000265 s, 0.000264 s, -0.000001 s, × 0.9962, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000381 s, 0.000187 s, -0.000194 s, × 0.4908, 20 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000672 s, 0.000665 s, -0.000007 s, × 0.9896, 95 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003497 s, 0.003556 s, +0.000059 s, × 1.0169, 1185 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.073204 s, 0.071345 s, -0.001859 s, × 0.9746, 11890 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006482 s, 0.006551 s, +0.000069 s, × 1.0106, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005066 s, 0.005078 s, +0.000012 s, × 1.0024, 123 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.065707 s, 0.065823 s, +0.000116 s, × 1.0018, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.026800 s, 0.027050 s, +0.000250 s, × 1.0093, 43 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.203856 s, 0.202443 s, -0.001413 s, × 0.9931, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.293394 s, 1.261583 s, -0.031811 s, × 0.9754, 8 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 1.698239 s, 1.643869 s, -0.054370 s, × 0.9680, 8 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000875 s, 0.000868 s, -0.000007 s, × 0.9920, 434 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000891 s, 0.000887 s, -0.000004 s, × 0.9955, 443 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000292 s, 0.000168 s, -0.000124 s, × 0.5753, 42 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.003939 s, 0.001160 s, -0.002779 s, × 0.2945, 580 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.033027 s, 0.033016 s, -0.000011 s, × 0.9997, 33016 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.073703 s, 0.073312 s, -0.39ae31 s, × 0.9947, 12218 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006469 s, 0.006485 s, +0.000016 s, × 1.0025, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005278 s, 0.005494 s, +0.000216 s, × 1.0409, 134 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.064995 s, 0.064879 s, -0.000116 s, × 0.9982, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.301041 s, 0.301469 s, +0.000428 s, × 1.0014, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.285575 s, 0.297113 s, +0.011538 s, × 1.0404, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.085597 s, 0.085890 s, +0.000293 s, × 1.0034, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027118 s, 0.027718 s, +0.000600 s, × 1.0221, 45 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 2.119204 s, 2.048949 s, -0.070255 s, × 0.9668, 21 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.701479 s, 0.685924 s, -0.015555 s, × 0.9778, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 4.482399 s, 4.482891 s, +0.000492 s, × 1.0001, 12 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.574082 s, 0.577633 s, +0.003551 s, × 1.0062, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 4.480366 s, 4.397816 s, -0.082550 s, × 0.9816, 12 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.369070 s, 4.370538 s, +0.001468 s, × 1.0003, 12 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.592506 s, 1.570439 s, -0.022067 s, × 0.9861, 8 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 87.824489 s, 88.388512 s, +0.564023 s, × 1.0064, 386 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 43.304637 s, 34.443661 s, -8.860976 s, × 0.7954, 90 µs/rev private : 459513 revs, 33.853687 s, 27.370148 s, -6.483539 s, × 0.8085, 59 µs/rev Differential Revision: https://phab.mercurial-scm.org/D9653

copies-rust: record "overwritten" information from both side on delete With this change, we can ensure every (`dest`, `rev`) points to the same value, making a lots of comparison simpler. Differential Revision: https://phab.mercurial-scm.org/D9652

copies-rust: refactor the "deletion" case We rearrange the code to single out the case where information need to be overwritten on both side of the merge. This open the way to better dealing with this case. Differential Revision: https://phab.mercurial-scm.org/D9651

copies-rust: process copy information of both parent at the same time This avoid a double iteration and this open the way to a better handing of deletion. That better handling of deletion is the core reason we are doing this refactoring. Differential Revision: https://phab.mercurial-scm.org/D9650

copies-rust: yield both p1 and p2 copies in `ChangedFiles.actions()` Instead of filtering the relevant parent inside de ChangedFiles method, we now yield all copies information and let the caller do the filtering. Soon, the filtering will be replaced by dispatching. Differential Revision: https://phab.mercurial-scm.org/D9649

copies-rust: extract the processing of a single copy information This will make it easy to process copy from both p1 and p2 in the same `add_from_changes` call. Differential Revision: https://phab.mercurial-scm.org/D9648

copies-rust: use matching to select the final copies information This is a bit more idiomatic and this prepare a future refactoring where InternalCopies from both parent would be updated at the same time. Differential Revision: https://phab.mercurial-scm.org/D9647

copies-rust: get the parents' copies earlier This remove some conditional nesting and prepare for future work were we will unify the handling of copies from p1 and p2. Differential Revision: https://phab.mercurial-scm.org/D9646

Added signature for changeset d5d9177c0045

Added tag 5.7.1 for changeset d5d9177c0045

localrepo: fix conversion of exceptions to strings flagged by pytype This is the same as e571fec5b606. I assume the 3 similar uses of `bytestr` in `__getitem__()` are OK (even though pytype also flags them), because there is apparently test coverage for 2 of the 3 cases. Differential Revision: https://phab.mercurial-scm.org/D10131

localrepo: fix a UI string to be bytes Flagged by pytype. Differential Revision: https://phab.mercurial-scm.org/D10130

pycompat: fix a bytes vs str issue in `unnamedtempfile()` This seems trivially correct, though the only two uses I found both took this path. So I'm guessing we're missing test coverage. Differential Revision: https://phab.mercurial-scm.org/D10129

copies-rust: remove the ancestor Oracle logic We are not doing any `is_ancestor` call anymore. So we can drop that logic and associated arguments. Differential Revision: https://phab.mercurial-scm.org/D9645

copies-rust: track "overwrites" directly within CopySource Overwrite are "rare enough" that explicitly keeping track of them is going to be "cheap", or at least much cheaper that issuing many `is_ancestor` calls. Even a simple implementation using no specific optimisation (eg: using the generic HashSet type) yield good result in most cases. They are interesting optimization to can do on top of that. We will implement them in later changesets. We tried different approach to speed up the overwrite detection and this one seems the most promising. Without further optimization, we already see sizable speedup on various cases. Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 5.138169 s, 4.482399 s, -0.655770 s, × 0.8724, 12 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 5.127809 s, 4.480366 s, -0.647443 s, × 0.8737, 12 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.971136 s, 4.369070 s, -0.602066 s, × 0.8789, 12 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.741678 s, 1.592506 s, -0.149172 s, × 0.9144, 8 µs/rev However, some of the case doing a lot of overwrite get significantly slower. The one with a really problematic slowdown are the special "head reducing" merge in mozilla-try so I am not too worried about them. In addition, further changeset are going to improve the performance of all this. Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 1.343373 s, 2.119204 s, +0.775831 s, × 1.5775, 21 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 40.314822 s, 87.824489 s, +47.509667 s, × 2.1785, 383 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 20.048029 s, 43.304637 s, +23.256608 s, × 2.1600, 113 µs/rev Full benchmark below: Repo Case Source-Rev Dest-Rev # of revisions old time new time Difference Factor time per rev --------------------------------------------------------------------------------------------------------------------------------------------------------------- mercurial x_revs_x_added_0_copies ad6b123de1c7 39cfcef4f463 : 1 revs, 0.000042 s, 0.000043 s, +0.000001 s, × 1.0238, 43 µs/rev mercurial x_revs_x_added_x_copies 2b1c78674230 0c1d10351869 : 6 revs, 0.000110 s, 0.000114 s, +0.000004 s, × 1.0364, 19 µs/rev mercurial x000_revs_x000_added_x_copies 81f8ff2a9bf2 dd3267698d84 : 1032 revs, 0.004945 s, 0.004937 s, -0.000008 s, × 0.9984, 4 µs/rev pypy x_revs_x_added_0_copies aed021ee8ae8 099ed31b181b : 9 revs, 0.000192 s, 0.000339 s, +0.000147 s, × 1.7656, 37 µs/rev pypy x_revs_x000_added_0_copies 4aa4e1f8e19a 359343b9ac0e : 1 revs, 0.000049 s, 0.000049 s, +0.000000 s, × 1.0000, 49 µs/rev pypy x_revs_x_added_x_copies ac52eb7bbbb0 72e022663155 : 7 revs, 0.000112 s, 0.000202 s, +0.000090 s, × 1.8036, 28 µs/rev pypy x_revs_x00_added_x_copies c3b14617fbd7 ace7255d9a26 : 1 revs, 0.000323 s, 0.000409 s, +0.000086 s, × 1.2663, 409 µs/rev pypy x_revs_x000_added_x000_copies df6f7a526b60 a83dc6a2d56f : 6 revs, 0.010042 s, 0.011984 s, +0.001942 s, × 1.1934, 1997 µs/rev pypy x000_revs_xx00_added_0_copies 89a76aede314 2f22446ff07e : 4785 revs, 0.049813 s, 0.050820 s, +0.001007 s, × 1.0202, 10 µs/rev pypy x000_revs_x000_added_x_copies 8a3b5bfd266e 2c68e87c3efe : 6780 revs, 0.079937 s, 0.087953 s, +0.008016 s, × 1.1003, 12 µs/rev pypy x000_revs_x000_added_x000_copies 89a76aede314 7b3dda341c84 : 5441 revs, 0.059412 s, 0.062902 s, +0.003490 s, × 1.0587, 11 µs/rev pypy x0000_revs_x_added_0_copies d1defd0dc478 c9cb1334cc78 : 43645 revs, 0.533769 s, 0.679234 s, +0.145465 s, × 1.2725, 15 µs/rev pypy x0000_revs_xx000_added_0_copies bf2c629d0071 4ffed77c095c : 2 revs, 0.013147 s, 0.013095 s, -0.000052 s, × 0.9960, 6547 µs/rev pypy x0000_revs_xx000_added_x000_copies 08ea3258278e d9fa043f30c0 : 11316 revs, 0.110680 s, 0.120910 s, +0.010230 s, × 1.0924, 10 µs/rev netbeans x_revs_x_added_0_copies fb0955ffcbcd a01e9239f9e7 : 2 revs, 0.000085 s, 0.000087 s, +0.000002 s, × 1.0235, 43 µs/rev netbeans x_revs_x000_added_0_copies 6f360122949f 20eb231cc7d0 : 2 revs, 0.000107 s, 0.000107 s, +0.000000 s, × 1.0000, 53 µs/rev netbeans x_revs_x_added_x_copies 1ada3faf6fb6 5a39d12eecf4 : 3 revs, 0.000175 s, 0.000186 s, +0.000011 s, × 1.0629, 62 µs/rev netbeans x_revs_x00_added_x_copies 35be93ba1e2c 9eec5e90c05f : 9 revs, 0.000720 s, 0.000754 s, +0.000034 s, × 1.0472, 83 µs/rev netbeans x000_revs_xx00_added_0_copies eac3045b4fdd 51d4ae7f1290 : 1421 revs, 0.010019 s, 0.010443 s, +0.000424 s, × 1.0423, 7 µs/rev netbeans x000_revs_x000_added_x_copies e2063d266acd 6081d72689dc : 1533 revs, 0.015602 s, 0.015697 s, +0.000095 s, × 1.0061, 10 µs/rev netbeans x000_revs_x000_added_x000_copies ff453e9fee32 411350406ec2 : 5750 revs, 0.058759 s, 0.063528 s, +0.004769 s, × 1.0812, 11 µs/rev netbeans x0000_revs_xx000_added_x000_copies 588c2d1ced70 1aad62e59ddd : 66949 revs, 0.491550 s, 0.545515 s, +0.053965 s, × 1.1098, 8 µs/rev mozilla-central x_revs_x_added_0_copies 3697f962bb7b 7015fcdd43a2 : 2 revs, 0.000087 s, 0.000089 s, +0.000002 s, × 1.0230, 44 µs/rev mozilla-central x_revs_x000_added_0_copies dd390860c6c9 40d0c5bed75d : 8 revs, 0.000268 s, 0.000265 s, -0.000003 s, × 0.9888, 33 µs/rev mozilla-central x_revs_x_added_x_copies 8d198483ae3b 14207ffc2b2f : 9 revs, 0.000181 s, 0.000381 s, +0.000200 s, × 2.1050, 42 µs/rev mozilla-central x_revs_x00_added_x_copies 98cbc58cc6bc 446a150332c3 : 7 revs, 0.000661 s, 0.000672 s, +0.000011 s, × 1.0166, 96 µs/rev mozilla-central x_revs_x000_added_x000_copies 3c684b4b8f68 0a5e72d1b479 : 3 revs, 0.003256 s, 0.003497 s, +0.000241 s, × 1.0740, 1165 µs/rev mozilla-central x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.066749 s, 0.073204 s, +0.006455 s, × 1.0967, 12200 µs/rev mozilla-central x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006462 s, 0.006482 s, +0.000020 s, × 1.0031, 4 µs/rev mozilla-central x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.004919 s, 0.005066 s, +0.000147 s, × 1.0299, 123 µs/rev mozilla-central x000_revs_x000_added_x000_copies 7c97034feb78 4407bd0c6330 : 7839 revs, 0.062421 s, 0.065707 s, +0.003286 s, × 1.0526, 8 µs/rev mozilla-central x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.026633 s, 0.026800 s, +0.000167 s, × 1.0063, 43 µs/rev mozilla-central x0000_revs_xx000_added_x000_copies f78c615a656c 96a38b690156 : 30263 revs, 0.197792 s, 0.203856 s, +0.006064 s, × 1.0307, 6 µs/rev mozilla-central x00000_revs_x0000_added_x0000_copies 6832ae71433c 4c222a1d9a00 : 153721 revs, 1.259970 s, 1.293394 s, +0.033424 s, × 1.0265, 8 µs/rev mozilla-central x00000_revs_x00000_added_x000_copies 76caed42cf7c 1daa622bbe42 : 204976 revs, 1.689184 s, 1.698239 s, +0.009055 s, × 1.0054, 8 µs/rev mozilla-try x_revs_x_added_0_copies aaf6dde0deb8 9790f499805a : 2 revs, 0.000865 s, 0.000875 s, +0.000010 s, × 1.0116, 437 µs/rev mozilla-try x_revs_x000_added_0_copies d8d0222927b4 5bb8ce8c7450 : 2 revs, 0.000893 s, 0.000891 s, -0.000002 s, × 0.9978, 445 µs/rev mozilla-try x_revs_x_added_x_copies 092fcca11bdb 936255a0384a : 4 revs, 0.000172 s, 0.000292 s, +0.000120 s, × 1.6977, 73 µs/rev mozilla-try x_revs_x00_added_x_copies b53d2fadbdb5 017afae788ec : 2 revs, 0.001159 s, 0.003939 s, +0.002780 s, × 3.3986, 1969 µs/rev mozilla-try x_revs_x000_added_x000_copies 20408ad61ce5 6f0ee96e21ad : 1 revs, 0.031621 s, 0.033027 s, +0.001406 s, × 1.0445, 33027 µs/rev mozilla-try x_revs_x0000_added_x0000_copies effb563bb7e5 c07a39dc4e80 : 6 revs, 0.068571 s, 0.073703 s, +0.005132 s, × 1.0748, 12283 µs/rev mozilla-try x000_revs_xx00_added_0_copies 6100d773079a 04a55431795e : 1593 revs, 0.006452 s, 0.006469 s, +0.000017 s, × 1.0026, 4 µs/rev mozilla-try x000_revs_x000_added_x_copies 9f17a6fc04f9 2d37b966abed : 41 revs, 0.005443 s, 0.005278 s, -0.000165 s, × 0.9697, 128 µs/rev mozilla-try x000_revs_x000_added_x000_copies 1346fd0130e4 4c65cbdabc1f : 6657 revs, 0.063180 s, 0.064995 s, +0.001815 s, × 1.0287, 9 µs/rev mozilla-try x0000_revs_x_added_0_copies 63519bfd42ee a36a2a865d92 : 40314 revs, 0.293564 s, 0.301041 s, +0.007477 s, × 1.0255, 7 µs/rev mozilla-try x0000_revs_x_added_x_copies 9fe69ff0762d bcabf2a78927 : 38690 revs, 0.286595 s, 0.285575 s, -0.001020 s, × 0.9964, 7 µs/rev mozilla-try x0000_revs_xx000_added_x_copies 156f6e2674f2 4d0f2c178e66 : 8598 revs, 0.083256 s, 0.085597 s, +0.002341 s, × 1.0281, 9 µs/rev mozilla-try x0000_revs_xx000_added_0_copies 9eec5917337d 67118cc6dcad : 615 revs, 0.027282 s, 0.027118 s, -0.000164 s, × 0.9940, 44 µs/rev mozilla-try x0000_revs_xx000_added_x000_copies 89294cd501d9 7ccb2fc7ccb5 : 97052 revs, 1.343373 s, 2.119204 s, +0.775831 s, × 1.5775, 21 µs/rev mozilla-try x0000_revs_x0000_added_x0000_copies e928c65095ed e951f4ad123a : 52031 revs, 0.665737 s, 0.701479 s, +0.035742 s, × 1.0537, 13 µs/rev mozilla-try x00000_revs_x_added_0_copies 6a320851d377 1ebb79acd503 : 363753 revs, 5.138169 s, 4.482399 s, -0.655770 s, × 0.8724, 12 µs/rev mozilla-try x00000_revs_x00000_added_0_copies dc8a3ca7010e d16fde900c9c : 34414 revs, 0.573276 s, 0.574082 s, +0.000806 s, × 1.0014, 16 µs/rev mozilla-try x00000_revs_x_added_x_copies 5173c4b6f97c 95d83ee7242d : 362229 revs, 5.127809 s, 4.480366 s, -0.647443 s, × 0.8737, 12 µs/rev mozilla-try x00000_revs_x000_added_x_copies 9126823d0e9c ca82787bb23c : 359344 revs, 4.971136 s, 4.369070 s, -0.602066 s, × 0.8789, 12 µs/rev mozilla-try x00000_revs_x0000_added_x0000_copies 8d3fafa80d4b eb884023b810 : 192665 revs, 1.741678 s, 1.592506 s, -0.149172 s, × 0.9144, 8 µs/rev mozilla-try x00000_revs_x00000_added_x0000_copies 1b661134e2ca 1ae03d022d6d : 228985 revs, 40.314822 s, 87.824489 s, +47.509667 s, × 2.1785, 383 µs/rev mozilla-try x00000_revs_x00000_added_x000_copies 9b2a99adc05e 8e29777b48e6 : 382065 revs, 20.048029 s, 43.304637 s, +23.256608 s, × 2.1600, 113 µs/rev private : 459513 revs, 37.179470 s, 33.853687 s, -3.325783 s, × 0.9105, 73 µs/rev Differential Revision: https://phab.mercurial-scm.org/D9644

copies-rust: add methods to build and update CopySource Having explicit method with clear semantic help to clarify the code and prepare an update to the underlying documentation without too much disruption. Differential Revision: https://phab.mercurial-scm.org/D9643

copies-rust: fix reverted argument when merging tiny minor or major The argument where not passed in the right other. This is not caught by the test (yet) because it is a sub case of a special case. Am I adding this to my list of things to test. Using test directly in Rust would be appropriate here. However we don't have the ability to test this code that way yet, and I am focussing on other part of that work right now. Differential Revision: https://phab.mercurial-scm.org/D9657

copies-rust: rename TimeStampedPathCopy to CopySource Same rational as the previous changesets. CopySource is a clear descriptive name that does not depends on an implementation details that we are about to the change. Differential Revision: https://phab.mercurial-scm.org/D9642

copies-rust: rename TimeStampedPathCopies to InternalPathCopies We are looking into moving away from TimeStampedPathCopy (that use is_ancestors call to detect overwrite) in favor of an approach that does not requires is_ancestors calls. Yet we will still need an internal representation that differs from the returned result. So we call it "InternalPathCopies" which is generic but clear. Differential Revision: https://phab.mercurial-scm.org/D9641

copies: detect case when a merge decision overwrite previous data We now detect and record when a merge case required special logic (eg: thing that append during the merge, ambiguity leading to picking p1 data, etc) and we explicitly mark the result as superseding the previous data. This fixes the family of test we previously added. Differential Revision: https://phab.mercurial-scm.org/D9613

copies: rearrange all value comparison conditional To properly handle the newly tested case (chaining of merges) we will need to detect more accurately when an actualy merging of the copy information (and superseed the two existing data). Before starting to do so, we need to reorganise the values comparison to introduce different conditional branches when such actual merging is needed/detected. To avoid mixing too many change in this complicated code, we do the reorganisation before adding the "overwrite detection" logic in the next changesets. Differential Revision: https://phab.mercurial-scm.org/D9612

test-copies: introduce merge chains test for the P/Q merges This is similar to the chaining test we have for the A/E merges. The current result of this tests is wrong, as for the other test of the same familly. This will be fixed by a later changesets. Differential Revision: https://phab.mercurial-scm.org/D10059

test-copies: add a case involving the `b` and a new `r` branch That case involve a branch overwriting copies information from the other one. It is similar to the `mBFm` / `mFBm` case except this case actual content merge is involved too. Differential Revision: https://phab.mercurial-scm.org/D10058

test-copies: introduce case combining the `p` and `q` branch That case involves conflicting copies information from each branch. It is similar to the `mAEm` / `mEAm` case except this case actual content merge is involved too. Differential Revision: https://phab.mercurial-scm.org/D10057