Hi, > -----Original Message----- > From: O'loingsigh, Mairtin <mairtin.oloings...@intel.com> > Sent: Tuesday, September 29, 2020 4:13 PM > To: Singh, Jasvinder <jasvinder.si...@intel.com>; Richardson, Bruce > <bruce.richard...@intel.com>; De Lara Guarch, Pablo > <pablo.de.lara.gua...@intel.com> > Cc: dev@dpdk.org; Ryan, Brendan <brendan.r...@intel.com>; Coyle, David > <david.co...@intel.com>; O'loingsigh, Mairtin > <mairtin.oloings...@intel.com> > Subject: [PATCH v2 0/2] net: add CRC run-time checks and > AVX512/VPCLMULQDQ based CRC > > This patchset makes two significant enhancements to the CRC modules of > the rte_net library: > > 1) Adds run-time selection of the optimal architecture-specific CRC path. > Previously the selection was solely made at compile-time, meaning it > could only be built and run on the same generation of CPU. Adding > run-time selection ability means this can be used from distro packages > and/or DPDK can be compiled on an older CPU and run on a newer CPU. > 2) Adds an optimized CRC implementation based on the AVX512 and > VPCLMULQDQ instruction sets. > > For further details, please see the commit messages of the individual > patches. > > v2: > * Added support for run-time selection of optimal architecture-specific > CRC, based on v1 review comment. > * Added full working AVX512/VPCLMULDQD support for CRC32-Ethernet and > CRC16-CCITT. > > v1: > * Initial version, with incomplete AVX512/VPCLMULDQD support for > CRC32-Ethernet only. > > Mairtin o Loingsigh (2): > net: add run-time architecture specific CRC selection > net: add support for AVX512/VPCLMULQDQ based CRC > > app/test/test_crc.c | 11 +- > config/x86/meson.build | 6 +- > doc/guides/rel_notes/release_20_11.rst | 6 + > lib/librte_net/meson.build | 89 ++++- > lib/librte_net/net_crc.h | 45 +++ > lib/librte_net/net_crc_avx512.c | 424 > ++++++++++++++++++++++ > lib/librte_net/{net_crc_neon.h => net_crc_neon.c} | 27 +- > lib/librte_net/{net_crc_sse.h => net_crc_sse.c} | 34 +- > lib/librte_net/rte_net_crc.c | 100 +++-- > lib/librte_net/rte_net_crc.h | 4 +- > 10 files changed, 674 insertions(+), 72 deletions(-) create mode 100644 > lib/librte_net/net_crc.h create mode 100644 lib/librte_net/net_crc_avx512.c > rename lib/librte_net/{net_crc_neon.h => net_crc_neon.c} (95%) rename > lib/librte_net/{net_crc_sse.h => net_crc_sse.c} (94%) > > -- > 2.12.3
I encountered a problem submitting the v2 patch and have submitted a v3 Regards, Mairtin