acl: select 256-bit AVX512 classify method by default

On supported platforms, set RTE_ACL_CLASSIFY_AVX512X16 as
default ACL classify algorithm.
Note that AVX512X16 implementation uses 256-bit registers/instincts only
to avoid possibility of frequency drop.

Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>

diff --git a/lib/librte_acl/rte_acl.c b/lib/librte_acl/rte_acl.c
index cb8ccc5c10cfc1a9c65a42bb7a5d3d203d0b0574..5cce45059e3d3e3f430ee6559cc70261ce4f655f 100644 (file)
--- a/lib/librte_acl/rte_acl.c
+++ b/lib/librte_acl/rte_acl.c
@@ -226,6 +226,7 @@ acl_get_best_alg(void)
 #elif defined(RTE_ARCH_PPC_64)
                RTE_ACL_CLASSIFY_ALTIVEC,
 #elif defined(RTE_ARCH_X86)
+               RTE_ACL_CLASSIFY_AVX512X16,
                RTE_ACL_CLASSIFY_AVX2,
                RTE_ACL_CLASSIFY_SSE,
 #endif