comparison contrib/perf.py @ 41438:e9891c734bf8

perf: add a no-lookup variant to perfindex

It is useful to check how long it takes to create a index object without doing
anything with it. We add a new flag dedicated to that.

41437:d65ba1ff4559

    timer(runone, setup=setupone, title=b"load")
    fm.end()

@command(b'perfindex', [
            (b'', b'rev', b'', b'revision to be looked up (default tip)'),
         ] + formatteropts)
def perfindex(ui, repo, **opts):
    """benchmark index creation time followed by a lookup

    The default is to look `tip` up. Depending on the index implementation,

    It is not currently possible to check for lookup of a missing node."""
    import mercurial.revlog
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
    if opts[b'rev'] is None:
        n = repo[b"tip"].node()
    else:
        rev = scmutil.revsingle(repo, opts[b'rev'])
        n = repo[rev].node()

    def setup():
        # probably not necessary, but for good measure
        clearchangelog(unfi)
    def d():
        cl = makecl(unfi)
        cl.rev(n)
    timer(d, setup=setup)
    fm.end()

@command(b'perfstartup', formatteropts)
def perfstartup(ui, repo, **opts):

41438:e9891c734bf8

    timer(runone, setup=setupone, title=b"load")
    fm.end()

@command(b'perfindex', [
            (b'', b'rev', b'', b'revision to be looked up (default tip)'),
            (b'', b'no-lookup', None, b'do not revision lookup post creation'),
         ] + formatteropts)
def perfindex(ui, repo, **opts):
    """benchmark index creation time followed by a lookup

    The default is to look `tip` up. Depending on the index implementation,

    It is not currently possible to check for lookup of a missing node."""
    import mercurial.revlog
    opts = _byteskwargs(opts)
    timer, fm = gettimer(ui, opts)
    mercurial.revlog._prereadsize = 2**24 # disable lazy parser in old hg
    if opts[b'no_lookup']:
        n = None
    elif opts[b'rev'] is None:
        n = repo[b"tip"].node()
    else:
        rev = scmutil.revsingle(repo, opts[b'rev'])
        n = repo[rev].node()

    def setup():
        # probably not necessary, but for good measure
        clearchangelog(unfi)
    def d():
        cl = makecl(unfi)
        if n is not None:
            cl.rev(n)
    timer(d, setup=setup)
    fm.end()

@command(b'perfstartup', formatteropts)
def perfstartup(ui, repo, **opts):