outgoing: add a simple fastpath when there is no common
This further speed up case like `hg bundle --all` for larger repository.
### data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
# benchmark.name = hg.command.bundle
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.revs = all
# benchmark.variants.type = none-streamv2
before: 316.749699
after: 311.165461 (-1.76%, -5.58)
There is further work to be done in this area like not doing any outgoing
computation in the stream case for example. however the recent changes already
gives use a large win for a small amount of local work.
### benchmark.name = hg.command.bundle
# bin-env-vars.hg.flavor = default
# bin-env-vars.hg.py-re2-module = default
# benchmark.variants.revs = all
# benchmark.variants.type = none-streamv2
## data-env-vars.name = mercurial-public-2024-03-22-zstd-sparse-revlog
pre-%ln-change: 1.263859
the-%ln-change: 0.700229 (-44.60%, -0.56)
prev-changeset: 0.496050 (-60.75%, -0.77)
this-changeset: 0.495243 (-60.81%, -0.77)
## data-env-vars.name = tryton-public-2024-03-22-zstd-sparse-revlog
pre-%ln-change: 2.975765
the-%ln-change: 1.870798 (-37.13%, -1.10)
prev-changeset: 1.461583 (-50.88%, -1.51)
this-changeset: 1.469185 (-50.63%, -1.51)
## data-env-vars.name = pypy-2024-03-22-zstd-sparse-revlog
pre-%ln-change: 4.540080
the-%ln-change: 3.401700 (-25.07%, -1.14)
prev-changeset: 2.915810 (-35.78%, -1.62)
this-changeset: 2.911643 (-35.87%, -1.63)
## data-env-vars.name = heptapod-public-2024-03-25-zstd-sparse-revlog
pre-%ln-change: 10.138396
the-%ln-change: 7.750458 (-23.55%, -2.39)
prev-changeset: 6.665565 (-34.25%, -3.47)
this-changeset: 6.672078 (-34.19%, -3.47)
## data-env-vars.name = mozilla-try-2023-03-22-zstd-sparse-revlog
pre-%ln-change: 399.484481
the-%ln-change: 346.508952 (-13.26%, -52.98)
prev-changeset: 316.749699 (-20.71%, -82.73)
this-changeset: 311.165461 (-22.11%, -88.32)
import os
from mercurial import (
hg,
merge,
ui as uimod,
)
u = uimod.ui.load()
repo = hg.repository(u, b'test1', create=1)
os.chdir('test1')
def commit(text, time):
repo.commit(text=text, date=b"%d 0" % time)
def addcommit(name, time):
f = open(name, 'wb')
f.write(b'%s\n' % name)
f.close()
with repo.wlock():
with repo.dirstate.changing_files(repo):
repo[None].add([name])
commit(name, time)
def update(rev):
merge.clean_update(repo[rev])
def merge_(rev):
merge.merge(repo[rev])
if __name__ == '__main__':
addcommit(b"A", 0)
addcommit(b"B", 1)
update(0)
addcommit(b"C", 2)
merge_(1)
commit(b"D", 3)
update(2)
addcommit(b"E", 4)
addcommit(b"F", 5)
update(3)
addcommit(b"G", 6)
merge_(5)
commit(b"H", 7)
update(5)
addcommit(b"I", 8)
# Ancestors
print('Ancestors of 5')
for r in repo.changelog.ancestors([5]):
print(r, end=' ')
print('\nAncestors of 6 and 5')
for r in repo.changelog.ancestors([6, 5]):
print(r, end=' ')
print('\nAncestors of 5 and 4')
for r in repo.changelog.ancestors([5, 4]):
print(r, end=' ')
print('\nAncestors of 7, stop at 6')
for r in repo.changelog.ancestors([7], 6):
print(r, end=' ')
print('\nAncestors of 7, including revs')
for r in repo.changelog.ancestors([7], inclusive=True):
print(r, end=' ')
print('\nAncestors of 7, 5 and 3, including revs')
for r in repo.changelog.ancestors([7, 5, 3], inclusive=True):
print(r, end=' ')
# Descendants
print('\n\nDescendants of 5')
for r in repo.changelog.descendants([5]):
print(r, end=' ')
print('\nDescendants of 5 and 3')
for r in repo.changelog.descendants([5, 3]):
print(r, end=' ')
print('\nDescendants of 5 and 4')
print(*repo.changelog.descendants([5, 4]), sep=' ')