Mercurial > hg
view mercurial/node.py @ 19744:06badf7d10dc
util.h: getbe32() and putbe32() use intrinsic function to improve performance
Refer to https://bugzilla.mozilla.org/show_bug.cgi?id=351557. It can improve
byte-swapping performance by intrinsic function.
author | Wei, Elson <elson.wei@gmail.com> |
---|---|
date | Sat, 14 Sep 2013 11:22:34 +0800 |
parents | 25e572394f5c |
children | 1a5211f2f87f |
line wrap: on
line source
# node.py - basic nodeid manipulation for mercurial # # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com> # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. import binascii nullrev = -1 nullid = "\0" * 20 # This ugly style has a noticeable effect in manifest parsing hex = binascii.hexlify bin = binascii.unhexlify def short(node): return hex(node[:6])