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Re: [PATCH 0/4] Use __copysign in sincos wherever possible

From: Siddhesh Poyarekar <siddhesh at sourceware dot org>
To: Carlos O'Donell <carlos at redhat dot com>, libc-alpha at sourceware dot org
Date: Tue, 27 Sep 2016 12:18:55 -0700
Subject: Re: [PATCH 0/4] Use __copysign in sincos wherever possible
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References: <1474998553-2366-1-git-send-email-siddhesh@sourceware.org> <0dd5d1ac-7306-fa95-cdbe-1f9369228023@redhat.com>
Reply-to: siddhesh at sourceware dot org

On Tuesday 27 September 2016 12:10 PM, Carlos O'Donell wrote:
> That's quiet a good improvement.
> 
> Is that a mean percentage improvement over some number of consecutive runs?
> 
> I'm just wondering if the 4.5% is noise, or a real performance gain.

It has been consistently repeatable in our tests on multiple computers
of the same configuration.

Siddhesh

References:
- [PATCH 0/4] Use __copysign in sincos wherever possible
  - From: Siddhesh Poyarekar
- Re: [PATCH 0/4] Use __copysign in sincos wherever possible
  - From: Carlos O'Donell

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