Mercurial > hg
view tests/test-update-reverse.t @ 31397:8f5ed8fa39f8
perf: perform a garbage collection before each iteration
Currently, no explicit garbage collection is performed when running
the microbenchmarks in `hg perf`. I think this is wrong because
garbage collection can have a significant impact on execution times.
And, if gc is triggered via the default heuristics, it will
fire effectively randomly during subsequent benchmark iterations
due to variable amount of garbage left over from previous runs.
Running a gc before invoking the measured function will help ensure
state is more consistent across all iterations.
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 13 Mar 2017 18:16:42 -0700 |
parents | bd625cd4e5e7 |
children | 5c2a4f37eace |
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$ hg init $ touch a $ hg add a $ hg commit -m "Added a" $ touch main $ hg add main $ hg commit -m "Added main" $ hg checkout 0 0 files updated, 0 files merged, 1 files removed, 0 files unresolved 'main' should be gone: $ ls a $ touch side1 $ hg add side1 $ hg commit -m "Added side1" created new head $ touch side2 $ hg add side2 $ hg commit -m "Added side2" $ hg log changeset: 3:91ebc10ed028 tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Added side2 changeset: 2:b932d7dbb1e1 parent: 0:c2eda428b523 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Added side1 changeset: 1:71a760306caf user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Added main changeset: 0:c2eda428b523 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Added a $ hg heads changeset: 3:91ebc10ed028 tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Added side2 changeset: 1:71a760306caf user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: Added main $ ls a side1 side2 $ hg update --debug -C 1 resolving manifests branchmerge: False, force: True, partial: False ancestor: 91ebc10ed028+, local: 91ebc10ed028+, remote: 71a760306caf side1: other deleted -> r removing side1 side2: other deleted -> r removing side2 main: remote created -> g getting main 1 files updated, 0 files merged, 2 files removed, 0 files unresolved $ ls a main