Re: SSE in libthr

From: Daniel Eischen <deischen_at_freebsd.org>
Date: Fri, 27 Mar 2015 16:29:31 -0400 (EDT)
On Fri, 27 Mar 2015, Eric van Gyzen wrote:

> In a nutshell:
>
> Clang emits SSE instructions on amd64 in the common path of
> pthread_mutex_unlock.  This reduces performance by a non-trivial amount.  I'd
> like to disable SSE in libthr.

This makes sense to me.

-- 
DE
Received on Fri Mar 27 2015 - 19:32:00 UTC

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