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Re: [PATCH] Optimize MIPS memcpy
- From: Steve Ellcey <sellcey at mips dot com>
- To: Maxim Kuvyrkov <maxim at codesourcery dot com>
- Cc: Andrew Pinski <pinskia at gmail dot com>, "Joseph S. Myers" <joseph at codesourcery dot com>, <libc-ports at sourceware dot org>
- Date: Wed, 19 Dec 2012 08:58:40 -0800
- Subject: Re: [PATCH] Optimize MIPS memcpy
- References: <5044746c.23eb440a.75e2.618f@mx.google.com> <1346771341.14333.20.camel@ubuntu-sellcey> <596797ED-6575-456D-98FD-C13A209DBC49@mentor.com> <1346948701.14333.152.camel@ubuntu-sellcey> <F265181B-6B5C-401B-B7CC-DC206B601795@codesourcery.com> <1347376645.14333.319.camel@ubuntu-sellcey> <F0856A02-839F-45C7-BF93-AA59E030A015@codesourcery.com> <1348166309.6170.55.camel@ubuntu-sellcey> <25105334-8813-4532-AC0E-B3A44BE69A19@codesourcery.com> <5B30D440-A918-4352-8DED-A7D681DF0338@codesourcery.com> <1349715796.30194.131.camel@ubuntu-sellcey> <954E9625-0D5C-4295-9229-C16A3F5C200D@codesourcery.com> <1350323373.2044.7.camel@ubuntu-sellcey> <CA+=Sn1=A0dE4HkHvjQkO47ym348f7biupm5J-kt8fdG31JZRWw@mail.gmail.com> <1350333255.2044.15.camel@ubuntu-sellcey> <CA+=Sn1m0Y8rJ=NnoGwhNPRFF_R08+NO6pfu7j6ufz0g8XT-VSA@mail.gmail.com> <CA+=Sn1=SpqWumYfS52W8ccevSJ5Sc=c1vK1Fp_f1=NpJyav4FA@mail.gmail.com> <1350337000.2044.23.camel@ubuntu-sellcey> <A4146CAB-5CEF-4C59-9819-A9B5FCA0E860@codesourcery.com> <1350494987.2660.5.camel@ubuntu-sellcey> <1351533617.15035.98.camel@ubuntu-sellcey> <0CA30903-22E1-47EF-BA7F-9A82E5DC8961@codesourcery.com> <1351619149.15035.110.camel@ubuntu-sellcey> <1F5F6910-1831-47F9-BB49-889C5F16299E@codesourcery.com> <1351635571.15035.118.camel@ubuntu-sellcey> <EF339445-641A-4A99-B88B-2B64A68206F6@codesourcery.com>
On Wed, 2012-12-19 at 14:51 +1300, Maxim Kuvyrkov wrote:
> Steve,
>
> Would you please add a NEWS entry for improved MIPS memcpy? It's a significant performance improvement, and deserves a note.
>
> Thanks,
>
> --
> Maxim Kuvyrkov
> CodeSourcery / Mentor Graphics
OK, I have added this:
2012-12-19 Steve Ellcey <sellcey@mips.com>
* NEWS: Mention new memcpy for MIPS.
diff --git a/NEWS b/NEWS
index e58fabe..3a15555 100644
--- a/NEWS
+++ b/NEWS
@@ -25,6 +25,8 @@ Version 2.17
14838, 14856, 14863, 14865, 14866, 14868, 14869, 14871, 14872, 14879,
14889, 14893, 14898, 14914.
+* Optimization of memcpy for MIPS.
+
* CVE-2011-4609 svc_run() produces high cpu usage when accept fails with
EMFILE has been fixed (Bugzilla #14889).