Mercurial > hg > mercurial-crew-with-dirclash
view mercurial/node.py @ 5452:82b4ff3abbcd
bdiff: tweaks for large files
- adjust the common line threshold to .1%
this speeds up a delta of 7M lines of source from 10m to 40s
- adjust the scaling of the hash array down a bit as it was raising the peak
memory usage significantly
| author | Matt Mackall <mpm@selenic.com> |
|---|---|
| date | Thu, 11 Oct 2007 00:46:56 -0500 |
| parents | e45fc5d03798 |
| children |
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""" 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, incorporated herein by reference. """ 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])