From: Olivier Matz <olivier.matz@6wind.com>
To: "Hunt, David" <david.hunt@intel.com>,
Jerin Jacob <jerin.jacob@caviumnetworks.com>
Cc: dev@dpdk.org, thomas.monjalon@6wind.com,
bruce.richardson@intel.com, konstantin.ananyev@intel.com
Subject: Re: [dpdk-dev] [PATCH] mbuf: replace c memcpy code semantics with optimized rte_memcpy
Date: Fri, 24 Jun 2016 18:02:10 +0200 [thread overview]
Message-ID: <576D5982.1060302@6wind.com> (raw)
In-Reply-To: <576D5837.3060907@intel.com>
Hi Dave,
On 06/24/2016 05:56 PM, Hunt, David wrote:
> Hi Jerin,
>
> I just ran a couple of tests on this patch on the latest master head on
> a couple of machines. An older quad socket E5-4650 and a quad socket
> E5-2699 v3
>
> E5-4650:
> I'm seeing a gain of 2% for un-cached tests and a gain of 9% on the
> cached tests.
>
> E5-2699 v3:
> I'm seeing a loss of 0.1% for un-cached tests and a gain of 11% on the
> cached tests.
>
> This is purely the autotest comparison, I don't have traffic generator
> results. But based on the above, I don't think there are any performance
> issues with the patch.
>
Thanks for doing the test on your side. I think it's probably enough
to integrate Jerin's patch .
About using a rte_memcpy() in the mempool_get(), I don't think I'll have
the time to do a more exhaustive test before the 16.07, so I'll come
back with it later.
I'm sending an ack on the v2 thread.
next prev parent reply other threads:[~2016-06-24 16:02 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-24 14:50 Jerin Jacob
2016-05-24 14:59 ` Olivier Matz
2016-05-24 15:17 ` Jerin Jacob
2016-05-27 10:24 ` Hunt, David
2016-05-27 11:42 ` Jerin Jacob
2016-05-27 15:05 ` Thomas Monjalon
2016-05-30 8:44 ` Olivier Matz
2016-05-27 13:45 ` Hunt, David
2016-06-24 15:56 ` Hunt, David
2016-06-24 16:02 ` Olivier Matz [this message]
2016-05-26 8:07 ` [dpdk-dev] [PATCH v2] mempool: " Jerin Jacob
2016-05-30 8:45 ` Olivier Matz
2016-05-31 12:58 ` Jerin Jacob
2016-05-31 21:05 ` Olivier MATZ
2016-06-01 7:00 ` Jerin Jacob
2016-06-02 7:36 ` Olivier MATZ
2016-06-02 9:39 ` Jerin Jacob
2016-06-02 21:16 ` Olivier MATZ
2016-06-03 7:02 ` Jerin Jacob
2016-06-17 10:40 ` Olivier Matz
2016-06-24 16:04 ` Olivier Matz
2016-06-30 9:41 ` Thomas Monjalon
2016-06-30 11:38 ` Jerin Jacob
2016-06-30 12:16 ` [dpdk-dev] [PATCH v3] " Jerin Jacob
2016-06-30 17:28 ` Thomas Monjalon
2016-07-05 8:43 ` Ferruh Yigit
2016-07-05 11:32 ` Yuanhan Liu
2016-07-05 13:13 ` Jerin Jacob
2016-07-05 13:42 ` Yuanhan Liu
2016-07-05 14:09 ` Ferruh Yigit
2016-07-06 16:21 ` Ferruh Yigit
2016-07-07 13:51 ` Ferruh Yigit
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