Re: What's cooking in git.git (topics)

From: Shawn O. Pearce <spearce@spearce.org>
Date: Jan 5, 2007, 02:59 UTC
Message-ID: <20070105025921.GA14042@spearce.org>
In-Reply-To: <81b0412b0701041022h30cd4fcxd62dbf3ecb504ea9@mail.gmail.com>

Alex Riesen <raa.lkml@gmail.com> wrote:

Show 11 quoted lines

> On 1/2/07, Junio C Hamano <junkio@cox.net> wrote:
> >Here are the topics that have been cooking.  Commits prefixed
> >with '-' are only in 'pu' while commits prefixed with '+' are
> >in 'next'.  The topics list the commits in reverse chronological
> >order.
> >
> >* sp/mmap (Sat Dec 30 22:13:43 2006 -0500) 25 commits
> 
> Running this and the merge-recursive speedup I sent today locally.
> sp/mmap needs relatively recent cygwin library (otherwise pread
> is broken). No other ill effects noticed. Perfomance is bearable.

The default on Cygwin is now NO_MMAP. I've disabled that default in my own Cygwin environment and continue to use mmap() rather than pread(), but I'm also running my sp/mmap change there. I haven't noticed a performance difference, but I also haven't tested for one. IOW if there is a difference its close enough to noise to not be visible to me as a user.

-- 
Shawn.