comparison mercurial/setdiscovery.py @ 46359:0600e8467101

discovery: add config options to control sample size

This get useful for running analysis of the current algorithm.

Differential Revision: https://phab.mercurial-scm.org/D9813

46358:009130064813

def findcommonheads(
    ui,
    local,
    remote,
    initialsamplesize=100,
    fullsamplesize=200,
    abortwhenunrelated=True,
    ancestorsof=None,
    audit=None,
):
    """Return a tuple (common, anyincoming, remoteheads) used to identify

        ownheads = [clrev(n) for n in ancestorsof]
    else:
        ownheads = [rev for rev in cl.headrevs() if rev != nullrev]

    initial_head_exchange = ui.configbool(b'devel', b'discovery.exchange-heads')

    # We also ask remote about all the local heads. That set can be arbitrarily
    # large, so we used to limit it size to `initialsamplesize`. We no longer
    # do as it proved counter productive. The skipped heads could lead to a
    # large "undecided" set, slower to be clarified than if we asked the
    # question for all heads right away.

46359:0600e8467101

def findcommonheads(
    ui,
    local,
    remote,
    abortwhenunrelated=True,
    ancestorsof=None,
    audit=None,
):
    """Return a tuple (common, anyincoming, remoteheads) used to identify

        ownheads = [clrev(n) for n in ancestorsof]
    else:
        ownheads = [rev for rev in cl.headrevs() if rev != nullrev]

    initial_head_exchange = ui.configbool(b'devel', b'discovery.exchange-heads')
    initialsamplesize = ui.configint(b'devel', b'discovery.sample-size.initial')
    fullsamplesize = ui.configint(b'devel', b'discovery.sample-size')
    # We also ask remote about all the local heads. That set can be arbitrarily
    # large, so we used to limit it size to `initialsamplesize`. We no longer
    # do as it proved counter productive. The skipped heads could lead to a
    # large "undecided" set, slower to be clarified than if we asked the
    # question for all heads right away.