upstream/mercurial-mirror Files · tests/test-revlog-packentry.t

revset: make descendants() lazier...

revset: make descendants() lazier Previously descendants() would force the provided subset to become a set. In the case of revsets like '(%ld::) - (%ld)' (as used by histedit) this would force the '- (%ld)' set to be evaluated, which produced a set containing every commit in the repo (except %ld). This takes 0.6s on large repos. This changes descendants to trust the subset to implement __contains__ efficiently, which improves the above revset to 0.16s. Shaving 0.4 seconds off of histedit. revset : (20000::) - (20000) 0) obsolete feature not enabled but 54243 markers found! ! wall 0.023640 comb 0.020000 user 0.020000 sys 0.000000 (best of 100) 1) obsolete feature not enabled but 54243 markers found! ! wall 0.019589 comb 0.020000 user 0.020000 sys 0.000000 (best of 100) This commit removes the final revset related perf hotspot from histedit. Combined with the previous two patches, they shave a little over 3 seconds off histedit on large repos.

Bryan O'Sullivan - - Load All Authors

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        $ hg init repo

        $ cd repo

        $ touch foo

        $ hg ci -Am 'add foo'

        adding foo

        $ hg up -C null

        0 files updated, 0 files merged, 1 files removed, 0 files unresolved

      this should be stored as a delta against rev 0

        $ echo foo bar baz > foo

        $ hg ci -Am 'add foo again'

        adding foo

        created new head

        $ hg debugindex foo

           rev    offset  length  ..... linkrev nodeid       p1           p2 (re)

             0         0       0  .....       0 b80de5d13875 000000000000 000000000000 (re)

             1         0      24  .....       1 0376abec49b8 000000000000 000000000000 (re)

        $ cd ..

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				$ hg init repo
				$ cd repo

				$ touch foo
				$ hg ci -Am 'add foo'
				adding foo

				$ hg up -C null
				0 files updated, 0 files merged, 1 files removed, 0 files unresolved

				this should be stored as a delta against rev 0

				$ echo foo bar baz > foo
				$ hg ci -Am 'add foo again'
				adding foo
				created new head

				$ hg debugindex foo
				rev offset length ..... linkrev nodeid p1 p2 (re)
				0 0 0 ..... 0 b80de5d13875 000000000000 000000000000 (re)
				1 0 24 ..... 1 0376abec49b8 000000000000 000000000000 (re)

				$ cd ..