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From: "Wang, Zhihong" <zhihong.wang@intel.com>
To: "Xu, Qian Q" <qian.q.xu@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Thread-Topic: [dpdk-dev] [PATCH] eal: fix rte_memcpy perf in hsw/bdw
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Date: Thu, 26 May 2016 09:36:58 +0000
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Subject: Re: [dpdk-dev] [PATCH] eal: fix rte_memcpy perf in hsw/bdw
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> -----Original Message-----
> From: Xu, Qian Q
> Sent: Thursday, May 26, 2016 1:19 PM
> To: Wang, Zhihong <zhihong.wang@intel.com>; dev@dpdk.org
> Cc: Wang, Zhihong <zhihong.wang@intel.com>
> Subject: RE: [dpdk-dev] [PATCH] eal: fix rte_memcpy perf in hsw/bdw
>=20
> Tested-by: Qian Xu <qian.q.xu@intel.com>
>=20
> - Test Commit: 8f6f24342281f59de0df7bd976a32f714d39b9a9
> - OS/Kernel: Fedora 21/4.1.13
> - GCC: gcc (GCC) 4.9.2 20141101 (Red Hat 4.9.2-1)
> - CPU: Intel(R) Xeon(R) CPU E5-2695 v4 @ 2.10
> - Total 1 cases, 1 passed, 0 failed.
[...]
>=20
> 8. Compare #1 with #2, can see ~5% performance increase on BDW-EP CPU
> server.

Thanks Qian! HSW should suffer even more from this issue.