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repoview: improve compute staticblockers perf...
repoview: improve compute staticblockers perf Previously we would compute the repoview's static blockers by finding all the children of hidden commits that were not hidden. This was O(number of commits since first hidden change) since 'children' requires walking every commit from tip until the first hidden change. The new algorithm walks all heads down until it sees a public commit. This makes the computation O(number of draft) commits, which is much faster in large repositories with a large number of commits and a low number of drafts. On a large repo with 1000+ obsolete markers and the earliest draft commit around tip~200000, this improves computehidden perf by 200x (2s to 0.01s).
Jordi Gutiérrez Hermoso - - Load All Authors

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r19296:da16d21c stable
r24565:2f7cb6e6 default
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extensions.txt
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/ mercurial / help / extensions.txt
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Mercurial has the ability to add new features through the use of
extensions. Extensions may add new commands, add options to
existing commands, change the default behavior of commands, or
implement hooks.
To enable the "foo" extension, either shipped with Mercurial or in the
Python search path, create an entry for it in your configuration file,
like this::
[extensions]
foo =
You may also specify the full path to an extension::
[extensions]
myfeature = ~/.hgext/myfeature.py
See :hg:`help config` for more information on configuration files.
Extensions are not loaded by default for a variety of reasons:
they can increase startup overhead; they may be meant for advanced
usage only; they may provide potentially dangerous abilities (such
as letting you destroy or modify history); they might not be ready
for prime time; or they may alter some usual behaviors of stock
Mercurial. It is thus up to the user to activate extensions as
needed.
To explicitly disable an extension enabled in a configuration file of
broader scope, prepend its path with !::
[extensions]
# disabling extension bar residing in /path/to/extension/bar.py
bar = !/path/to/extension/bar.py
# ditto, but no path was supplied for extension baz
baz = !