From: Hiroshi Shimamoto <h-shimam...@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