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annotate README @ 28489:8939a95064f1

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changelog: lazily parse description Before, the description field was converted to a localstr at parse time. With this patch, we store the raw description and convert to a localstr when it is first accessed. We see a revset speedup for revsets that don't access the description: author(mpm) 0.896565 0.914234 0.869085 date(2015) 0.878797 0.891980 0.862525 extra(rebase_source) 0.865446 0.912514 0.871500 author(mpm) or author(greg) 1.801832 1.860402 1.791589 date(2015) or branch(default) 0.968276 0.994673 0.974027 author(mpm) or desc(bug) or date(2015) or extra(rebase_source) 3.656193 3.721032 3.643593 As you can see, most of these revsets are already faster than from before this refactoring: we have already offset the performance loss from the introduction of the new class representing parsed changelog entries!
author Gregory Szorc <gregory.szorc@gmail.com>
date Sun, 06 Mar 2016 14:28:46 -0800
parents 4b0fc75f9403
children 76b171209151
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1 Mercurial
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2 =========
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3
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4 Mercurial is a fast, easy to use, distributed revision control tool
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5 for software developers.
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6
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7 Basic install:
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8
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9 $ make # see install targets
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10 $ make install # do a system-wide install
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11 $ hg debuginstall # sanity-check setup
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12 $ hg # see help
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14 Running without installing:
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15
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16 $ make local # build for inplace usage
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17 $ ./hg --version # should show the latest version
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18
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19 See https://mercurial-scm.org/ for detailed installation
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20 instructions, platform-specific notes, and Mercurial user information.