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

From: Alex Riesen <raa.lkml@gmail.com>
Date: Jan 5, 2007, 09:37 UTC
Message-ID: <81b0412b0701050137g49d07c8aw2ce6938dfcef1646@mail.gmail.com>
In-Reply-To: <20070105025921.GA14042@spearce.org>

On 1/5/07, Shawn O. Pearce <spearce@spearce.org> wrote:

Show 7 quoted lines

> > >* 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

I left it at NO_MMAP: wanted to see how bad pread performs. No worse than mmap, as it seems.

Show 5 quoted lines

> 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.

Confirm that.