diff options
| author |   Radu Nicolau <radu.nicolau@intel.com> | 2021-01-14 10:25:02 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-01-21 13:39:12 +0000 |
| commit | e1480a2c12ff764622dd2ae1bc9bce6cd25bcbdd (patch) | |
| tree | b3b35b537b2428ce32fcdefcb040e2f3878b6f9f /src/cmake/cpu.cmake | |
| parent | f35fef244682645762cdff14cf313a42dd2d750c (diff) | |
avf: use write combining store for queues tail update
Performance improvement: on supported platforms, currently only Intel Tremont,
use a write combining store to update the tail pointers.
Also, Tremont node variant is added for all.
Type: improvement
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Change-Id: Ie9606e403b7d9655184f778e3ffee3027c8c9edd
Diffstat (limited to 'src/cmake/cpu.cmake')
| -rw-r--r-- | src/cmake/cpu.cmake | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake index 37bc24c09b5..b3f9f0e4330 100644 --- a/src/cmake/cpu.cmake +++ b/src/cmake/cpu.cmake @@ -80,6 +80,10 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*") if(compiler_flag_march_haswell) list(APPEND MARCH_VARIANTS "hsw\;-march=haswell -mtune=haswell") endif() + check_c_compiler_flag("-march=tremont" compiler_flag_march_tremont) + if(compiler_flag_march_tremont) + list(APPEND MARCH_VARIANTS "trm\;-march=tremont -mtune=tremont") + endif() if (GNU_ASSEMBLER_AVX512_BUG) message(WARNING "AVX-512 multiarch variant(s) disabled due to GNU Assembler bug") else() |