comparison contrib/perf.py @ 30336:7ddc8f8d7712

perf: support bdiffing multiple revisions in a single revlog

This is useful for testing bdiff performance on several revision
pairs at a time.

30335:7d91a085ebe6

        for p in s.fncache.entries:
            s.encode(p)
    timer(d)
    fm.end()

@command('perfbdiff', revlogopts + formatteropts, '-c|-m|FILE REV')
def perfbdiff(ui, repo, file_, rev=None, **opts):
    """benchmark a bdiff between a revision and its delta parent"""
    if opts.get('changelog') or opts.get('manifest'):
        file_, rev = None, file_
    elif rev is None:
        raise error.CommandError('perfbdiff', 'invalid arguments')

    textpairs = []

    r = cmdutil.openrevlog(repo, 'perfbdiff', file_, opts)

    node = r.lookup(rev)
    rev = r.rev(node)
    dp = r.deltaparent(rev)
    textpairs.append((r.revision(dp), r.revision(node)))

    def d():
        for pair in textpairs:
            bdiff.bdiff(*pair)

30336:7ddc8f8d7712

        for p in s.fncache.entries:
            s.encode(p)
    timer(d)
    fm.end()

@command('perfbdiff', revlogopts + formatteropts + [
    ('', 'count', 1, 'number of revisions to test (when using --startrev)')],
    '-c|-m|FILE REV')
def perfbdiff(ui, repo, file_, rev=None, count=None, **opts):
    """benchmark a bdiff between revisions

    By default, benchmark a bdiff between its delta parent and itself.

    With ``--count``, benchmark bdiffs between delta parents and self for N
    revisions starting at the specified revision.
    """
    if opts.get('changelog') or opts.get('manifest'):
        file_, rev = None, file_
    elif rev is None:
        raise error.CommandError('perfbdiff', 'invalid arguments')

    textpairs = []

    r = cmdutil.openrevlog(repo, 'perfbdiff', file_, opts)

    startrev = r.rev(r.lookup(rev))
    for rev in range(startrev, min(startrev + count, len(r) - 1)):
        dp = r.deltaparent(rev)
        textpairs.append((r.revision(dp), r.revision(rev)))

    def d():
        for pair in textpairs:
            bdiff.bdiff(*pair)