Mercurial > hg
annotate pyproject.toml @ 51108:0250e45040f1
revlog: add a small cache of unfiltered chunk
This can provides a massive boost to the reading of multiple revision and the
computation of a valid delta chain.
This greatly help operation like `hg log --patch`, delta computation (helping
pull/unbundle), linkrev adjustment (helping copy tracing).
A first round of benchmark for `hg log --patch --limit 1000` shows improvement
in the 10-20% range on "small" repository like pypy or mercurial and large
improvements (about 33%) for more complex ones like netbeans and mozilla's.
These speeds up are consistent with the improvement to `hg pull` (from a server
sending poor deltas) I saw benchmarking this last year. Further benchmark will
be run during the freeze.
I added some configuration in the experimental space to be able to further test
the effect of various tuning for now. This feature should fit well in the
"usage/resource profile" configuration that we should land next cycle.
When it does not provides a benefit the overhead of the cache seem to be around
2%, a small price for the big improvement. In addition I believe we could shave
most of this overhead with a more efficent lru implementation.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Fri, 27 Oct 2023 08:54:41 +0200 |
parents | 58fe6d127a01 |
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46381 | 1 [build-system] |
2 requires = ["setuptools", "wheel"] | |
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3 |
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4 [tool.black] |
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5 line-length = 80 |
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6 exclude = ''' |
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7 build/ |
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8 | wheelhouse/ |
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9 | dist/ |
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10 | packages/ |
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11 | \.hg/ |
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12 | \.mypy_cache/ |
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13 | \.venv/ |
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14 | mercurial/thirdparty/ |
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15 ''' |
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Augie Fackler <augie@google.com>
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16 skip-string-normalization = true |
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black: merge config into main pyproject.toml now that we have it
Augie Fackler <augie@google.com>
parents:
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17 quiet = true |