Mercurial > jhg
diff cmdline/org/tmatesoft/hg/console/Main.java @ 254:a620f0663a37
Collect tags for a file - improve performance of 'sparse' manifest reads
| author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
|---|---|
| date | Tue, 16 Aug 2011 04:03:29 +0200 |
| parents | 1874d11054e5 |
| children | c6450b0b1fd5 |
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--- a/cmdline/org/tmatesoft/hg/console/Main.java Mon Aug 15 18:59:05 2011 +0200 +++ b/cmdline/org/tmatesoft/hg/console/Main.java Tue Aug 16 04:03:29 2011 +0200 @@ -18,6 +18,7 @@ import static org.tmatesoft.hg.repo.HgRepository.TIP; +import java.io.File; import java.util.ArrayList; import java.util.Collections; import java.util.List; @@ -33,6 +34,7 @@ import org.tmatesoft.hg.internal.ByteArrayChannel; import org.tmatesoft.hg.internal.DigestHelper; import org.tmatesoft.hg.internal.PathGlobMatcher; +import org.tmatesoft.hg.internal.RelativePathRewrite; import org.tmatesoft.hg.repo.HgBranches; import org.tmatesoft.hg.repo.HgChangelog; import org.tmatesoft.hg.repo.HgDataFile; @@ -46,8 +48,11 @@ import org.tmatesoft.hg.repo.HgSubrepoLocation.Kind; import org.tmatesoft.hg.repo.HgWorkingCopyStatusCollector; import org.tmatesoft.hg.repo.HgChangelog.RawChangeset; +import org.tmatesoft.hg.util.FileIterator; +import org.tmatesoft.hg.util.FileWalker; import org.tmatesoft.hg.util.Pair; import org.tmatesoft.hg.util.Path; +import org.tmatesoft.hg.util.PathRewrite; /** * Various debug dumps. @@ -72,10 +77,11 @@ public static void main(String[] args) throws Exception { Main m = new Main(args); + m.testTreeTraversal(); // m.testRevisionMap(); // m.testSubrepos(); // m.testReadWorkingCopy(); - m.testParents(); +// m.testParents(); // m.testEffectiveFileLog(); // m.testCatAtCsetRevision(); // m.testMergeState(); @@ -91,6 +97,19 @@ // m.bunchOfTests(); } + private void testTreeTraversal() throws Exception { + File repoRoot = hgRepo.getWorkingDir(); + Path.Source pathSrc = new Path.SimpleSource(new PathRewrite.Composite(new RelativePathRewrite(repoRoot), hgRepo.getToRepoPathHelper())); + FileWalker w = new FileWalker(repoRoot, pathSrc); + int count = 0; + final long start = System.currentTimeMillis(); + while (w.hasNext()) { + count++; + w.next(); + } + System.out.printf("Traversal of %d files took %d ms", count, System.currentTimeMillis() - start); + } + /* * cpython repo with 70715 revisions. 3 revisions - 80 ms vs 250 ms (250ms init)