From: Ferruh Yigit <ferruh.yigit@intel.com>
To: "Pei, Yulong" <yulong.pei@intel.com>,
Vladyslav Buslov <vladyslav.buslov@harmonicinc.com>,
"Zhang, Helin" <helin.zhang@intel.com>,
"Wu, Jingjing" <jingjing.wu@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH] net/i40e: add packet prefetch
Date: Mon, 3 Apr 2017 11:31:06 +0100 [thread overview]
Message-ID: <2c220d4f-b8c5-1824-c8cd-69f20c6ce04f@intel.com> (raw)
In-Reply-To: <188971FCDA171749BED5DA74ABF3E6F03B6ACF0D@shsmsx102.ccr.corp.intel.com>
On 4/1/2017 3:01 AM, Pei, Yulong wrote:
> Hi All
>
> In Non-vector mode, without this patch, single core performance can reach 37.576Mpps with 64Byte packet,
> But after applied this patch , single core performance downgrade to 34.343Mpps with 64Byte packet.
Thanks Yulong for the test.
Vladyslav,
Is above test results match with your result?
If there is a degradation, this patch should not be merged.
Thanks,
ferruh
>
> Best Regards
> Yulong Pei
>
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Vladyslav Buslov
> Sent: Wednesday, March 1, 2017 6:57 PM
> To: Zhang, Helin <helin.zhang@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>; Yigit, Ferruh <ferruh.yigit@intel.com>
> Cc: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH] net/i40e: add packet prefetch
>
> Prefetch both cache lines of mbuf and first cache line of payload if CONFIG_RTE_PMD_PACKET_PREFETCH is set.
>
> Signed-off-by: Vladyslav Buslov <vladyslav.buslov@harmonicinc.com>
<..>
next prev parent reply other threads:[~2017-04-03 10:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-01 10:56 Vladyslav Buslov
2017-03-07 10:37 ` Ferruh Yigit
2017-04-01 2:01 ` Pei, Yulong
2017-04-03 10:31 ` Ferruh Yigit [this message]
2017-04-06 9:29 ` Vladyslav Buslov
2017-04-06 9:54 ` Bruce Richardson
2017-04-03 10:47 ` Ananyev, Konstantin
2017-04-06 9:54 ` Bruce Richardson
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