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Optimize manifest.add
Testing shows that manifest.add is spending a significant percentage of
its time running calcoffsets and doing text = "".join(addlist). This
patch removes the need for both of these by storying the manifest in a
character array, and using a modified bisect search to find lines without
the help of a separate index of line offsets.
manifest.add was also reworked to push delta construction/combination into the
main loop.
Time to apply 2751 patches (without psyco, ext3 noatime,data=writeback):
Stock hg: 4m45s real 3m32s user 55s sys
patched: 2m48s real 1m53s user 43s sys
quilt: 2m30s real 45s user 50s sys
(quilt does much more io...)
author | mason@suse.com |
---|---|
date | Fri, 11 Nov 2005 18:20:22 -0800 |
parents | a91bfbbe88d3 |
children | f2ebd5251e88 |
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<item> <title>#desc|strip|firstline|strip|escape#</title> <link>#url#?f=#filenode|short#;file=#file#</link> <description><![CDATA[#desc|strip|escape|addbreaks#]]></description> <author>#author|obfuscate#</author> <pubDate>#date|rfc822date#</pubDate>> </item>