[dpdk-dev] [memnic PATCH 0/7] MEMNIC PMD performance improvement
Tetsuya Mukawa
mukawa at igel.co.jp
Thu Sep 11 10:13:03 CEST 2014
Hi Shimamoto-san,
(2014/09/11 16:45), Hiroshi Shimamoto wrote:
> From: Hiroshi Shimamoto <h-shimamoto at ct.jp.nec.com>
>
> This patchset improves MEMNIC PMD performance.
>
> The first patch introduces a new benchmark test run in guest,
> and will be used to evaluate the following patch effects.
>
> This patchset improves the throughput results of memnic-tester.
> Using Xeon E5-2697 v2 @ 2.70GHz, 4 vCPU.
How many cores are you actually using for sending and receiving?
I guess 1 dedicated core is used for sending on host or guest side, and
one more dedicated core is for receiving on the other side.
And you've got a following performance result.
Is this correct?
Thanks,
Tetsuya Mukawa
> size | before | after
> 64 | 4.18Mpps | 5.83Mpps
> 128 | 3.85Mpps | 5.71Mpps
> 256 | 4.01Mpps | 5.40Mpps
> 512 | 3.52Mpps | 4.64Mpps
> 1024 | 3.18Mpps | 3.68Mpps
> 1280 | 2.86Mpps | 3.17Mpps
> 1518 | 2.59Mpps | 2.90Mpps
>
> Hiroshi Shimamoto (7):
> guest: memnic-tester: PMD benchmark in guest
> pmd: remove needless assignment
> pmd: use helper macros
> pmd: use compiler barrier
> pmd: packet receiving optimization with prefetch
> pmd: add branch hint in recv/xmit
> pmd: split calling mbuf free
>
> guest/Makefile | 20 ++++
> guest/README.rst | 94 +++++++++++++++++
> guest/memnic-tester.c | 281 ++++++++++++++++++++++++++++++++++++++++++++++++++
> pmd/pmd_memnic.c | 43 ++++----
> 4 files changed, 417 insertions(+), 21 deletions(-)
> create mode 100644 guest/Makefile
> create mode 100644 guest/README.rst
> create mode 100644 guest/memnic-tester.c
>
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