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Re: [Gnu-arch-users] [PATCH] arch speedups on big trees


From: Chris Mason
Subject: Re: [Gnu-arch-users] [PATCH] arch speedups on big trees
Date: Thu, 29 Jan 2004 08:17:43 -0500

On Thu, 2004-01-29 at 07:14, Andrew Suffield wrote:
> On Wed, Jan 28, 2004 at 03:15:03PM -0800, Tom Lord wrote:
> > 
> >     > From: Chris Mason <address@hidden>
> > 
> >     > snapping the inode sig is pretty expensive right now,
> > 
> > It would be helpful to know why.
> 
> Haven't we been here before? Is the buffering fixed for that damn
> thing yet?

The buffering is only part of the problem.  It's also the full inventory
done each time the sig is snapped.

Just for fun, toss a few printfs into the start and end of the code that
does a full tree inventory.  It becomes clear where arch is spending its
time.

-chris








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