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Re: [Libunwind-devel] Updated fast trace patch with initial performance


From: Paul Pluzhnikov
Subject: Re: [Libunwind-devel] Updated fast trace patch with initial performance results
Date: Tue, 5 Apr 2011 16:32:00 -0700

On Tue, Apr 5, 2011 at 4:23 PM, Arun Sharma <address@hidden> wrote:

> Hopefully, this will be faster than pthread_getspecific() and may
> allow us to defer the call to pthread_setspecific() to a safer point.

Faster? Yes.

Safer? I don't see how. You are still calling pthread_setspecific from a
potentially unsafe context.

Thanks,
-- 
Paul Pluzhnikov



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