On Mon, 13 Jul 2020 12:11:19 +0100 Vladimir Medvedkin <vladimir.medved...@intel.com> wrote:
> This patch series implements vectorized lookup using AVX512 for > ipv4 dir24_8 and ipv6 trie algorithms. > Also introduced rte_fib_set_lookup_fn() to change lookup function type. > Added option to select lookup function type in testfib application. > > v6: > - style fixes > > v5: > - prefix zmm macro in rte_vect.h with RTE_X86 > - remove unnecessary typedef for _x86_zmm_t > - reword commit title > - fix typos > > v4: > - use __rte_aligned() instead of using compiler attribute directly > - rework and add comments to meson.build > > v3: > - separate out the AVX-512 code into a separate file > > v2: > - rename rte_zmm to __rte_x86_zmm to reflect its internal usage > - make runtime decision to use avx512 lookup > > Vladimir Medvedkin (8): > eal/x86: introduce AVX 512-bit type > fib: make lookup function type configurable > fib: move lookup definition into the header file > fib: introduce AVX512 lookup > fib6: make lookup function type configurable > fib6: move lookup definition into the header file > fib6: introduce AVX512 lookup > app/testfib: add support for different lookup functions > > app/test-fib/main.c | 58 +++++- > lib/librte_eal/x86/include/rte_vect.h | 19 ++ > lib/librte_fib/Makefile | 24 +++ > lib/librte_fib/dir24_8.c | 281 +++++--------------------- > lib/librte_fib/dir24_8.h | 226 ++++++++++++++++++++- > lib/librte_fib/dir24_8_avx512.c | 165 +++++++++++++++ > lib/librte_fib/dir24_8_avx512.h | 24 +++ > lib/librte_fib/meson.build | 31 +++ > lib/librte_fib/rte_fib.c | 21 +- > lib/librte_fib/rte_fib.h | 24 +++ > lib/librte_fib/rte_fib6.c | 20 +- > lib/librte_fib/rte_fib6.h | 22 ++ > lib/librte_fib/rte_fib_version.map | 2 + > lib/librte_fib/trie.c | 161 +++------------ > lib/librte_fib/trie.h | 119 ++++++++++- > lib/librte_fib/trie_avx512.c | 269 ++++++++++++++++++++++++ > lib/librte_fib/trie_avx512.h | 20 ++ > 17 files changed, 1114 insertions(+), 372 deletions(-) > create mode 100644 lib/librte_fib/dir24_8_avx512.c > create mode 100644 lib/librte_fib/dir24_8_avx512.h > create mode 100644 lib/librte_fib/trie_avx512.c > create mode 100644 lib/librte_fib/trie_avx512.h > Did anyone else see the recent AVX512 discussion from Linus: "I hope AVX512 dies a painful death, and that Intel starts fixing real problems instead of trying to create magic instructions to then create benchmarks that they can look good on.
