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 >