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List:       fuse-devel
Subject:    Re: [fuse-devel] stat performance on multicore systems: measurements
From:       Nikolaus Rath <Nikolaus () rath ! org>
Date:       2012-07-26 0:03:55
Message-ID: 87vchbfkwk.fsf () vostro ! rath ! org
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Han-Wen Nienhuys <hanwenn-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> writes:
> On Wed, Jul 25, 2012 at 9:12 AM, Stefan Westerfeld \
> <stefan-a6oftRWAzlp7BRZiorVuVg@public.gmane.org> wrote: 
> > > Similar results here:
> > > 
> > > [...]
> > > 
> > > Implementing this in FUSE seems like a worthwhile optimization point.
> > 
> > Ok, I'll try to create a patch against FUSE to get this speedup.
> > 
> 
> What will happen if the FS is accessed from multiple processes running
> on different CPUs?

For a first patch, I think it would be enough to detect this and
restrict the optimization to the case of access by one process.


Best,

   -Nikolaus

-- 
  »Time flies like an arrow, fruit flies like a Banana. «

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