Mercurial > hg
view tests/test-issue672.t @ 43252:32187ae9eeb3
copies: simplify the handling of merges
Instead of stacking copies for both parent on the head, we move copies outside
of the heap into a dedicated dictionary. The two side of merge can we merged
sooner, making the algorithm simpler.
This simplicity reflect in the heap structure and speed up the execution for
copies involving a large amount of merges.
Here are timing for perfpathcopies of multiple revision pairs.
- filelog: timing using filelog (with the introrev condition dropped)
- base: this series base
- before: the parent of this changeset
- after: this changeset
revision: large amount; added files: large amount; rename small amount; c3b14617fbd7 9ba6ab77fd29
filelog: ! wall 3.679613 comb 3.680000 user 3.580000 sys 0.100000 (median of 3)
base: ! wall 8.884369 comb 8.880000 user 8.850000 sys 0.030000 (median of 3)
before: ! wall 8.443747 comb 8.420000 user 8.410000 sys 0.010000 (median of 3)
after: ! wall 4.697917 comb 4.690000 user 4.660000 sys 0.030000 (median of 3)
revision: large amount; added files: small amount; rename small amount; c3b14617fbd7 f650a9b140d2
filelog: ! wall 0.003357 comb 0.010000 user 0.010000 sys 0.000000 (median of 781)
base: ! wall 12.398524 comb 12.400000 user 12.330000 sys 0.070000 (median of 3)
before: ! wall 10.852593 comb 10.850000 user 10.800000 sys 0.050000 (median of 3)
after: ! wall 6.750832 comb 6.750000 user 6.640000 sys 0.110000 (median of 3)
revision: large amount; added files: large amount; rename large amount; 08ea3258278e d9fa043f30c0
filelog: ! wall 2.754687 comb 2.760000 user 2.650000 sys 0.110000 (median of 4)
base: ! wall 1.423166 comb 1.420000 user 1.400000 sys 0.020000 (median of 8)
before: ! wall 1.068041 comb 1.060000 user 1.050000 sys 0.010000 (median of 10)
after: ! wall 1.045916 comb 1.050000 user 1.040000 sys 0.010000 (median of 10)
revision: small amount; added files: large amount; rename large amount; df6f7a526b60 a83dc6a2d56f
filelog: ! wall 1.552293 comb 1.550000 user 1.510000 sys 0.040000 (median of 6
base: ! wall 0.022662 comb 0.020000 user 0.020000 sys 0.000000 (median of 128)
before: ! wall 0.021111 comb 0.020000 user 0.020000 sys 0.000000 (median of 139)
after: ! wall 0.021577 comb 0.020000 user 0.020000 sys 0.000000 (median of 138)
revision: small amount; added files: large amount; rename small amount; 4aa4e1f8e19a 169138063d63
filelog: ! wall 1.500983 comb 1.500000 user 1.420000 sys 0.080000 (median of 7)
base: ! wall 0.006956 comb 0.010000 user 0.010000 sys 0.000000 (median of 392)
before: ! wall 0.004356 comb 0.010000 user 0.010000 sys 0.000000 (median of 675)
after: ! wall 0.004329 comb 0.000000 user 0.000000 sys 0.000000 (median of 682)
revision: small amount; added files: small amount; rename small amount; 4bc173b045a6 964879152e2e
filelog: ! wall 0.011745 comb 0.020000 user 0.020000 sys 0.000000 (median of 250)
base: ! wall 0.000156 comb 0.000000 user 0.000000 sys 0.000000 (median of 17180)
before: ! wall 0.000100 comb 0.000000 user 0.000000 sys 0.000000 (median of 26912)
after: ! wall 0.000105 comb 0.000000 user 0.000000 sys 0.000000 (median of 25689)
revision: medium amount; added files: large amount; rename medium amount; c95f1ced15f2 2c68e87c3efe
filelog: ! wall 3.228230 comb 3.230000 user 3.110000 sys 0.120000 (median of 4)
base: ! wall 0.997640 comb 1.000000 user 0.980000 sys 0.020000 (median of 10)
before: ! wall 0.778291 comb 0.780000 user 0.780000 sys 0.000000 (median of 13)
after: ! wall 0.706594 comb 0.710000 user 0.710000 sys 0.000000 (median of 15)
revision: medium amount; added files: medium amount; rename small amount; d343da0c55a8 d7746d32bf9d
filelog: ! wall 1.052501 comb 1.060000 user 1.040000 sys 0.020000 (median of 10
base: ! wall 0.214519 comb 0.220000 user 0.220000 sys 0.000000 (median of 45)
before: ! wall 0.160804 comb 0.160000 user 0.160000 sys 0.000000 (median of 62)
after: ! wall 0.163736 comb 0.160000 user 0.160000 sys 0.000000 (median of 60)
Differential Revision: https://phab.mercurial-scm.org/D7069
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Wed, 02 Oct 2019 13:43:27 -0400 |
parents | 99ebde4fec99 |
children | 17e12938f8e7 |
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https://bz.mercurial-scm.org/672 # 0-2-4 # \ \ \ # 1-3-5 # # rename in #1, content change in #4. $ hg init $ touch 1 $ touch 2 $ hg commit -Am init # 0 adding 1 adding 2 $ hg rename 1 1a $ hg commit -m rename # 1 $ hg co -C 0 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ echo unrelated >> 2 $ hg ci -m unrelated1 # 2 created new head $ hg merge --debug 1 unmatched files in other: 1a all copies found (* = to merge, ! = divergent, % = renamed and deleted): src: '1' -> dst: '1a' checking for directory renames resolving manifests branchmerge: True, force: False, partial: False ancestor: 81f4b099af3d, local: c64f439569a9+, remote: c12dcd37c90a 1: other deleted -> r removing 1 1a: remote created -> g getting 1a 1 files updated, 0 files merged, 1 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m merge1 # 3 $ hg co -C 2 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ echo hello >> 1 $ hg ci -m unrelated2 # 4 created new head $ hg co -C 3 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg merge -y --debug 4 unmatched files in local: 1a all copies found (* = to merge, ! = divergent, % = renamed and deleted): src: '1' -> dst: '1a' * checking for directory renames resolving manifests branchmerge: True, force: False, partial: False ancestor: c64f439569a9, local: f4a9cff3cd0b+, remote: 746e9549ea96 preserving 1a for resolve of 1a starting 4 threads for background file closing (?) 1a: local copied/moved from 1 -> m (premerge) picked tool ':merge' for 1a (binary False symlink False changedelete False) merging 1a and 1 to 1a my 1a@f4a9cff3cd0b+ other 1@746e9549ea96 ancestor 1@c64f439569a9 premerge successful 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg co -C 4 1 files updated, 0 files merged, 1 files removed, 0 files unresolved $ hg merge -y --debug 3 unmatched files in other: 1a all copies found (* = to merge, ! = divergent, % = renamed and deleted): src: '1' -> dst: '1a' * checking for directory renames resolving manifests branchmerge: True, force: False, partial: False ancestor: c64f439569a9, local: 746e9549ea96+, remote: f4a9cff3cd0b preserving 1 for resolve of 1a removing 1 starting 4 threads for background file closing (?) 1a: remote moved from 1 -> m (premerge) picked tool ':merge' for 1a (binary False symlink False changedelete False) merging 1 and 1a to 1a my 1a@746e9549ea96+ other 1a@f4a9cff3cd0b ancestor 1@c64f439569a9 premerge successful 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit)