[MERGE] Fast _walkdirs for win32
ian.clatworthy at canonical.com
Thu Jul 17 06:56:29 BST 2008
John Arbash Meinel wrote:
> With this patch, doing 'bzr status' in a mysql tree on Win32 changes
> from: 4.2s => 0.64s, or about 6.5x faster. It is quite noticeable when
> your command prompt hangs for 4s versus returning in < 1s.
Hmm. Modest improvements like this really ought to be mentioned in NEWS,
don't you think? :-)
> + if (sys.platform == 'win32'):
You don't need the () here.
> + if (fs_encoding not in ('UTF-8', 'US-ASCII', 'ANSI_X3.4-1968')): # ascii
Please ping others (spiv and/or markh say) familiar with pyrex and
the win32 API used to review the code in bzrlib/_walkdirs_win32.pyx.
The rest is fine, assuming we only need to handle files and dirs at
this level. (I gather symlinks and tree references are handled higher
up the stack.)
(This is actually a tweak vote assuming someone else reviews the pyx
file as mentioned. I'm making it 'comment' so BB doesn't take it off
the queue for other reviewers just yet.)
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