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comparison mercurial/repository.py @ 39668:24870f1be088

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narrow: when writing treemanifests, skip inspecting directories outside narrow This provides significant speed benefits when narrow and treemanifests are in use, see the timing numbers below. Note that like previously, differences of <5% are considered noise. The below timing numbers are in the same style as previously (example: ee7ee0c516ca). 'before' is 9db85644, and does not include that example commit's improvements. diff --git: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 1.327 s +- 0.051 s | 1.296 s +- 0.009 s | 97.7% m-u | | x | 1.310 s +- 0.020 s | 1.295 s +- 0.015 s | 98.9% m-u | x | | 1.295 s +- 0.018 s | 1.296 s +- 0.007 s | 100.1% m-u | x | x | 83.5 ms +- 0.8 ms | 84.1 ms +- 0.8 ms | 100.7% l-d-r | | | 205.1 ms +- 3.5 ms | 205.0 ms +- 3.8 ms | 100.0% l-d-r | | x | 194.2 ms +- 5.6 ms | 192.3 ms +- 4.3 ms | 99.0% l-d-r | x | | 99.1 ms +- 2.2 ms | 97.8 ms +- 0.9 ms | 98.7% l-d-r | x | x | 66.2 ms +- 1.0 ms | 67.2 ms +- 2.7 ms | 101.5% diff -c . --git: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 233.9 ms +- 1.9 ms | 235.6 ms +- 5.1 ms | 100.7% m-u | | x | 151.4 ms +- 1.2 ms | 152.2 ms +- 2.0 ms | 100.5% m-u | x | | 234.8 ms +- 2.7 ms | 235.0 ms +- 2.7 ms | 100.1% m-u | x | x | 127.8 ms +- 2.1 ms | 126.0 ms +- 1.1 ms | 98.6% l-d-r | | | 82.5 ms +- 1.6 ms | 82.3 ms +- 2.0 ms | 99.8% l-d-r | | x | 3.742 s +- 0.017 s | 3.819 s +- 0.208 s | 102.1% l-d-r | x | | 84.4 ms +- 1.5 ms | 83.2 ms +- 1.0 ms | 98.6% l-d-r | x | x | 751.2 ms +- 5.0 ms | 755.8 ms +- 12.9 ms | 100.6% rebase -r . --keep -d .^^: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 5.519 s +- 0.038 s | 5.526 s +- 0.057 s | 100.1% m-u | | x | 5.588 s +- 0.048 s | 5.607 s +- 0.061 s | 100.3% m-u | x | | 5.520 s +- 0.044 s | 5.546 s +- 0.059 s | 100.5% m-u | x | x | 586.6 ms +- 12.8 ms | 554.9 ms +- 21.2 ms | 94.6% <-- l-d-r | | | 629.8 ms +- 5.5 ms | 627.4 ms +- 6.6 ms | 99.6% l-d-r | | x | 6.165 s +- 0.058 s | 6.255 s +- 0.303 s | 101.5% l-d-r | x | | 270.2 ms +- 2.3 ms | 271.4 ms +- 2.7 ms | 100.4% l-d-r | x | x | 4.700 s +- 0.025 s | 1.651 s +- 0.016 s | 35.1% <-- status --change . --copies: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 215.4 ms +- 2.3 ms | 216.5 ms +- 4.2 ms | 100.5% m-u | | x | 132.9 ms +- 1.2 ms | 132.0 ms +- 1.4 ms | 99.3% m-u | x | | 217.0 ms +- 1.9 ms | 215.4 ms +- 1.9 ms | 99.3% m-u | x | x | 108.6 ms +- 1.0 ms | 108.2 ms +- 1.5 ms | 99.6% l-d-r | | | 80.0 ms +- 1.3 ms | 80.5 ms +- 1.1 ms | 100.6% l-d-r | | x | 3.916 s +- 0.187 s | 3.966 s +- 0.236 s | 101.3% l-d-r | x | | 84.4 ms +- 3.1 ms | 83.9 ms +- 1.1 ms | 99.4% l-d-r | x | x | 758.0 ms +- 8.2 ms | 753.5 ms +- 5.0 ms | 99.4% status --copies: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 1.905 s +- 0.025 s | 1.910 s +- 0.044 s | 100.3% m-u | | x | 1.892 s +- 0.009 s | 1.895 s +- 0.012 s | 100.2% m-u | x | | 1.891 s +- 0.012 s | 1.902 s +- 0.018 s | 100.6% m-u | x | x | 93.3 ms +- 0.9 ms | 93.4 ms +- 0.8 ms | 100.1% l-d-r | | | 570.7 ms +- 7.8 ms | 571.9 ms +- 18.5 ms | 100.2% l-d-r | | x | 561.5 ms +- 5.2 ms | 562.9 ms +- 6.1 ms | 100.2% l-d-r | x | | 171.7 ms +- 2.6 ms | 171.9 ms +- 1.2 ms | 100.1% l-d-r | x | x | 142.7 ms +- 2.0 ms | 140.3 ms +- 1.0 ms | 98.3% update $rev^; ~/src/hg/hg{hg}/hg update $rev: repo | N | T | before (mean +- stdev) | after (mean +- stdev) | % of before ------+---+---+------------------------+-----------------------+------------ m-u | | | 3.126 s +- 0.016 s | 3.128 s +- 0.015 s | 100.1% m-u | | x | 3.014 s +- 0.068 s | 3.008 s +- 0.031 s | 99.8% m-u | x | | 3.143 s +- 0.037 s | 3.184 s +- 0.086 s | 101.3% m-u | x | x | 308.0 ms +- 1.8 ms | 308.1 ms +- 5.7 ms | 100.0% l-d-r | | | 430.8 ms +- 4.5 ms | 436.4 ms +- 8.7 ms | 101.3% l-d-r | | x | 9.676 s +- 0.127 s | 9.945 s +- 0.272 s | 102.8% l-d-r | x | | 254.2 ms +- 3.3 ms | 255.7 ms +- 3.1 ms | 100.6% l-d-r | x | x | 1.571 s +- 0.030 s | 1.555 s +- 0.014 s | 99.0% Differential Revision: https://phab.mercurial-scm.org/D4606
author spectral <spectral@google.com>
date Fri, 14 Sep 2018 16:29:51 -0700
parents 57c3864f3aad
children b10d145837bc
comparison
equal deleted inserted replaced
39667:0b7594ada0db 39668:24870f1be088
976 """ 976 """
977 977
978 class imanifestrevisionwritable(imanifestrevisionbase): 978 class imanifestrevisionwritable(imanifestrevisionbase):
979 """Interface representing a manifest revision that can be committed.""" 979 """Interface representing a manifest revision that can be committed."""
980 980
981 def write(transaction, linkrev, p1node, p2node, added, removed): 981 def write(transaction, linkrev, p1node, p2node, added, removed, match=None):
982 """Add this revision to storage. 982 """Add this revision to storage.
983 983
984 Takes a transaction object, the changeset revision number it will 984 Takes a transaction object, the changeset revision number it will
985 be associated with, its parent nodes, and lists of added and 985 be associated with, its parent nodes, and lists of added and
986 removed paths. 986 removed paths.
987 987
988 If match is provided, storage can choose not to inspect or write out
989 items that do not match. Storage is still required to be able to provide
990 the full manifest in the future for any directories written (these
991 manifests should not be "narrowed on disk").
992
988 Returns the binary node of the created revision. 993 Returns the binary node of the created revision.
989 """ 994 """
990 995
991 class imanifeststorage(interfaceutil.Interface): 996 class imanifeststorage(interfaceutil.Interface):
992 """Storage interface for manifest data.""" 997 """Storage interface for manifest data."""
1139 """Clear any caches associated with this instance.""" 1144 """Clear any caches associated with this instance."""
1140 1145
1141 def dirlog(d): 1146 def dirlog(d):
1142 """Obtain a manifest storage instance for a tree.""" 1147 """Obtain a manifest storage instance for a tree."""
1143 1148
1144 def add(m, transaction, link, p1, p2, added, removed, readtree=None): 1149 def add(m, transaction, link, p1, p2, added, removed, readtree=None,
1150 match=None):
1145 """Add a revision to storage. 1151 """Add a revision to storage.
1146 1152
1147 ``m`` is an object conforming to ``imanifestdict``. 1153 ``m`` is an object conforming to ``imanifestdict``.
1148 1154
1149 ``link`` is the linkrev revision number. 1155 ``link`` is the linkrev revision number.
1150 1156
1151 ``p1`` and ``p2`` are the parent revision numbers. 1157 ``p1`` and ``p2`` are the parent revision numbers.
1152 1158
1153 ``added`` and ``removed`` are iterables of added and removed paths, 1159 ``added`` and ``removed`` are iterables of added and removed paths,
1154 respectively. 1160 respectively.
1161
1162 ``readtree`` is a function that can be used to read the child tree(s)
1163 when recursively writing the full tree structure when using
1164 treemanifets.
1165
1166 ``match`` is a matcher that can be used to hint to storage that not all
1167 paths must be inspected; this is an optimization and can be safely
1168 ignored. Note that the storage must still be able to reproduce a full
1169 manifest including files that did not match.
1155 """ 1170 """
1156 1171
1157 class imanifestlog(interfaceutil.Interface): 1172 class imanifestlog(interfaceutil.Interface):
1158 """Interface representing a collection of manifest snapshots. 1173 """Interface representing a collection of manifest snapshots.
1159 1174