From: Jay Rolette <rolette-bIuJOMs36aleGPcbtGPokg@public.gmane.org>
To: Luke Gorrie <luke-vEt0keKvJLw@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org" <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: [PATCH 0/4] DPDK memcpy optimization
Date: Thu, 22 Jan 2015 07:29:17 -0600 [thread overview]
Message-ID: <CADNuJVrzFzT6WOWM8W13xvv8ad5b2GMO8C12EFYRb1vQZGyTBA@mail.gmail.com> (raw)
In-Reply-To: <CAA2XHbcG4kZzOiMibQhjRxjg_aCJpZ4djgXbQf=FECgZropbCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Thu, Jan 22, 2015 at 3:06 AM, Luke Gorrie <luke-vEt0keKvJLw@public.gmane.org> wrote:
Here is another thought: when is it time to start thinking of packet copy
> as a cheap unit-time operation?
>
Pretty much never short of changes to memory architecture, IMO. Frankly,
there are never enough cycles for deep packet inspection applications that
need to run at/near line-rate. Don't waste any doing something you can
avoid in the first place.
Microseconds matter. Scaling up to 100GbE, nanoseconds matter.
Jay
next prev parent reply other threads:[~2015-01-22 13:29 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 1:53 [PATCH 0/4] DPDK memcpy optimization zhihong.wang-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1421632414-10027-1-git-send-email-zhihong.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-01-19 1:53 ` [PATCH 1/4] app/test: Disabled VTA for memcpy test in app/test/Makefile zhihong.wang-ral2JQCrhuEAvxtiuMwx3w
2015-01-19 1:53 ` [PATCH 2/4] app/test: Removed unnecessary test cases in test_memcpy.c zhihong.wang-ral2JQCrhuEAvxtiuMwx3w
2015-01-19 1:53 ` [PATCH 3/4] app/test: Extended test coverage in test_memcpy_perf.c zhihong.wang-ral2JQCrhuEAvxtiuMwx3w
2015-01-19 1:53 ` [PATCH 4/4] lib/librte_eal: Optimized memcpy in arch/x86/rte_memcpy.h for both SSE and AVX platforms zhihong.wang-ral2JQCrhuEAvxtiuMwx3w
[not found] ` <1421632414-10027-5-git-send-email-zhihong.wang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-01-20 17:15 ` Stephen Hemminger
2015-01-20 19:16 ` Neil Horman
[not found] ` <20150120191624.GJ18449-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2015-01-21 3:18 ` Wang, Zhihong
2015-01-25 20:02 ` Jim Thompson
2015-01-26 14:43 ` Wodkowski, PawelX
[not found] ` <F6F2A6264E145F47A18AB6DF8E87425D12B8C8E2-kPTMFJFq+rFP9JyJpTNKArfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-27 5:12 ` Wang, Zhihong
2015-01-19 13:02 ` [PATCH 0/4] DPDK memcpy optimization Neil Horman
[not found] ` <20150119130221.GB21790-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2015-01-20 3:01 ` Wang, Zhihong
[not found] ` <F60F360A2500CD45ACDB1D700268892D0E75EFFE-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-20 15:11 ` Neil Horman
[not found] ` <20150120151118.GD18449-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2015-01-20 16:14 ` Bruce Richardson
2015-01-21 3:44 ` Wang, Zhihong
[not found] ` <F60F360A2500CD45ACDB1D700268892D0E75F664-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-21 11:40 ` Bruce Richardson
2015-01-21 12:02 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB977258213DE922-pww93C2UFcwu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-21 12:38 ` Neil Horman
[not found] ` <20150121123801.GB18515-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2015-01-23 3:26 ` Wang, Zhihong
2015-01-21 12:36 ` Marc Sune
[not found] ` <54BF9D59.7070104-kpkqNMk1I7M@public.gmane.org>
2015-01-21 13:02 ` Bruce Richardson
2015-01-21 13:21 ` Marc Sune
[not found] ` <54BFA7D5.7020106-kpkqNMk1I7M@public.gmane.org>
2015-01-21 13:26 ` Bruce Richardson
2015-01-21 19:49 ` Stephen Hemminger
2015-01-21 20:54 ` Neil Horman
[not found] ` <20150121205404.GB32617-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2015-01-21 21:25 ` Jim Thompson
[not found] ` <53D2253B-DE20-486E-ADF0-DA02AAB1EF35-jiyf0hk6h8BBDgjK7y7TUQ@public.gmane.org>
2015-01-22 0:53 ` Stephen Hemminger
2015-01-22 9:06 ` Luke Gorrie
[not found] ` <CAA2XHbcG4kZzOiMibQhjRxjg_aCJpZ4djgXbQf=FECgZropbCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-22 13:29 ` Jay Rolette [this message]
[not found] ` <CADNuJVrzFzT6WOWM8W13xvv8ad5b2GMO8C12EFYRb1vQZGyTBA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-01-22 18:27 ` Luke Gorrie
2015-01-22 19:36 ` Jay Rolette
2015-01-22 18:21 ` EDMISON, Kelvin (Kelvin)
[not found] ` <D0E6A94E.41FE0%kelvin.edmison-cfy2TCaE7SFv+uJa97DSA9BPR1lH4CV8@public.gmane.org>
2015-01-27 8:22 ` Wang, Zhihong
[not found] ` <F60F360A2500CD45ACDB1D700268892D0E761378-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-28 21:48 ` EDMISON, Kelvin (Kelvin)
[not found] ` <D0EE79A7.42BCB%kelvin.edmison-cfy2TCaE7SFv+uJa97DSA9BPR1lH4CV8@public.gmane.org>
2015-01-29 1:53 ` Wang, Zhihong
2015-01-23 6:52 ` Wang, Zhihong
[not found] ` <F60F360A2500CD45ACDB1D700268892D0E760527-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-26 18:29 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB977258213DFA32-pww93C2UFcwu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-27 1:42 ` Wang, Zhihong
[not found] ` <F60F360A2500CD45ACDB1D700268892D0E760F8B-0J0gbvR4kThpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-27 11:30 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB977258213DFC4D-pww93C2UFcwu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-27 12:19 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB977258213DFDEE-pww93C2UFcwu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-01-28 2:06 ` Wang, Zhihong
2015-01-29 3:42 ` Fu, JingguoX
2015-01-25 14:50 ` [dpdk-dev] " Luke Gorrie
2015-01-26 1:30 ` Wang, Zhihong
2015-01-26 8:03 ` Luke Gorrie
2015-01-27 7:19 ` Wang, Zhihong
2015-01-27 13:57 ` Luke Gorrie
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