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files: speed up `hg files` when no flags change display It's not the first time I see slowness from this command slow down tools built on top of hg. The majority of the time is spent merely printing the result before this change, which is clearly not how it should be (especially since the computation of the result also looks slow). Running `hg files` in mozilla-central: parent revision: 1,260s this commit: 0,683s this commit without batching ui.write: 0,931s this commit replacing the body of the loop with `pass`: 0,566s This looks like a prime candidate for a rust fast path, but until then, it seems reasonable to optimize the python. Differential Revision: https://phab.mercurial-scm.org/D8586
author Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
date Tue, 26 May 2020 08:15:09 -0400
parents a492610a2fc1
children
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Augie Fackler <augie@google.com>
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1 Our full contribution guidelines are in our wiki, please see:
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Augie Fackler <augie@google.com>
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2
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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3 https://www.mercurial-scm.org/wiki/ContributingChanges
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Augie Fackler <augie@google.com>
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4
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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5 If you just want a checklist to follow, you can go straight to
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6
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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7 https://www.mercurial-scm.org/wiki/ContributingChanges#Submission_checklist
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Augie Fackler <augie@google.com>
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8
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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9 If you can't run the entire testsuite for some reason (it can be
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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10 difficult on Windows), please at least run `contrib/check-code.py` on
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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11 any files you've modified and run `python contrib/check-commit` on any
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Augie Fackler <augie@google.com>
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12 commits you've made (for example, `python contrib/check-commit
a492610a2fc1 contributing: add new file with a pointer to the wiki
Augie Fackler <augie@google.com>
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13 273ce12ad8f1` will report some style violations on a very old commit).