[dpdk-dev] [memnic PATCH v2 0/7] MEMNIC PMD performance improvement

Neil Horman nhorman at tuxdriver.com
Tue Sep 30 16:29:19 CEST 2014


On Tue, Sep 30, 2014 at 11:10:45AM +0000, 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.
>  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: burst mbuf freeing in xmit
> 
>  guest/Makefile        |  20 ++++
>  guest/README.rst      |  93 +++++++++++++++++
>  guest/memnic-tester.c | 281 ++++++++++++++++++++++++++++++++++++++++++++++++++
>  pmd/pmd_memnic.c      |  45 ++++----
>  4 files changed, 417 insertions(+), 22 deletions(-)
>  create mode 100644 guest/Makefile
>  create mode 100644 guest/README.rst
>  create mode 100644 guest/memnic-tester.c
> 
> -- 
> 1.8.3.1
> 
> 
Can this PMD please be merged into the DPDK core. Having a single list for
multiple git trees is really just frustrating.

Neil



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