Mercurial > hg
view comparison.txt @ 474:b2ae8283d1a6
Minor speed improvements for bdiff
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Minor speed improvements for bdiff
Consolidate the jpos/jlen arrays to improve cache locality.
Do the same for the hash head/length arrays.
manifest hash: e6d9ed36782741b1d6fcce8c2d00155a9540e81d
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author | mpm@selenic.com |
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date | Sun, 26 Jun 2005 15:09:37 -0800 |
parents | 17e66e1a0382 |
children | 2073e5a71008 |
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Mercurial git BK (*) storage revlog delta compressed revisions SCCS weave storage naming by filename by revision hash by filename merge file DAGs changeset DAG file DAGs? consistency SHA1 SHA1 CRC signable? yes yes no retrieve file tip O(1) O(1) O(revs) add rev O(1) O(1) O(revs) find prev file rev O(1) O(changesets) O(revs) annotate file O(revs) O(changesets) O(revs) find file changeset O(1) O(changesets) ? checkout O(files) O(files) O(revs)? commit O(changes) O(changes) ? 6 patches/s 6 patches/s slow diff working dir O(changes) O(changes) ? < 1s < 1s ? tree diff revs O(changes) O(changes) ? < 1s < 1s ? hardlink clone O(files) O(revisions) O(files) find remote csets O(log new) rsync: O(revisions) ? git-http: O(changesets) pull remote csets O(patch) O(modified files) O(patch) repo growth O(patch) O(revisions) O(patch) kernel history 300M 3.5G? 250M? lines of code 2500 6500 (+ cogito) ?? * I've never used BK so this is just guesses