tags-cache: directly operate on rev-num warming hgtagsfnodescache
Not having to goes through nodeid speed up things notably.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.debug.debug-update-cache
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.pre-state = warm
before-this-series: 19.947581
before-this-changes: 18.916804 (-5.17%, -1.03)
this-changesets: 17.493725 (-12.30%, -2.45)
// Copyright 2017 Google Inc. All Rights Reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// Example of a standalone runner for "fuzz targets".
// It reads all files passed as parameters and feeds their contents
// one by one into the fuzz target (LLVMFuzzerTestOneInput).
// This runner does not do any fuzzing, but allows us to run the fuzz target
// on the test corpus (e.g. "do_stuff_test_data") or on a single file,
// e.g. the one that comes from a bug report.
#include <cassert>
#include <fstream>
#include <iostream>
#include <vector>
// Forward declare the "fuzz target" interface.
// We deliberately keep this inteface simple and header-free.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv);
int main(int argc, char **argv)
{
LLVMFuzzerInitialize(&argc, &argv);
for (int i = 1; i < argc; i++) {
std::ifstream in(argv[i]);
in.seekg(0, in.end);
size_t length = in.tellg();
in.seekg(0, in.beg);
std::cout << "Reading " << length << " bytes from " << argv[i]
<< std::endl;
// Allocate exactly length bytes so that we reliably catch
// buffer overflows.
std::vector<char> bytes(length);
in.read(bytes.data(), bytes.size());
assert(in);
LLVMFuzzerTestOneInput(
reinterpret_cast<const uint8_t *>(bytes.data()),
bytes.size());
std::cout << "Execution successful" << std::endl;
}
return 0;
}
// no-check-code since this is from a third party