From: Luke Gorrie <luke@snabb.co>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] Implement memcmp using AVX/SSE instructio
Date: Thu, 23 Apr 2015 10:21:16 +0200 [thread overview]
Message-ID: <CAA2XHbfKpt8zDM_LteCxa9gqnJVoVP2fSFCC6oj_E6fAGXA4Bw@mail.gmail.com> (raw)
In-Reply-To: <20150423081138.GA8592@bricha3-MOBL3>
On 23 April 2015 at 10:11, Bruce Richardson <bruce.richardson@intel.com>
wrote:
> Also, if I read your quoted performance numbers in your earlier mail
> correctly,
> we are only looking at a 1-4% performance increase. Is the additional code
> to
> maintain worth the benefit?
>
... and if so, how would one decide whether it is better to to add this to
DPDK vs contribute it to GNU libc?
Pawel noted that this is not compatible with memcmp(3). It is very similar
to the legacy function bcmp(3) though so perhaps libc would accept it as
such.
Cheers,
-Luke
next prev parent reply other threads:[~2015-04-23 8:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-22 15:33 [dpdk-dev] [PATCH] Implement rte_memcmp with AVX/SSE instructions Ravi Kerur
2015-04-22 15:33 ` [dpdk-dev] [PATCH] Implement memcmp using AVX/SSE instructio Ravi Kerur
2015-04-23 7:24 ` Pawel Wodkowski
2015-04-23 8:11 ` Bruce Richardson
2015-04-23 8:21 ` Luke Gorrie [this message]
2015-04-23 9:23 ` Ananyev, Konstantin
2015-04-23 13:53 ` Ravi Kerur
2015-04-23 14:00 ` Bruce Richardson
2015-04-23 22:26 ` Ravi Kerur
2015-05-05 21:56 ` Ravi Kerur
2015-04-23 13:43 ` Ravi Kerur
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