diff options
| author |   Ray Kinsella <mdr@ashroe.eu> | 2021-01-14 16:37:37 +0000 |
|---|---|---|
| committer |   Radu Nicolau <radu.nicolau@intel.com> | 2021-03-04 14:19:47 +0000 |
| commit | ded6dbdb29b7f93ae423ec547efa4bce11780df8 (patch) | |
| tree | 2154d3986fd4796e5bed9c06b1e9afdc0660b86c | |
| parent | 2e591554b87db858565e5f45176550dc8e8c06ce (diff) | |
dpdk: enable AVX-512 on ICL
Enable DPDK AVX-512 Vector PMDs on Intel Icelake
Type: improvement
Signed-off-by: Ray Kinsella <mdr@ashroe.eu>
Signed-off-by: Radu Nicolau <radu.nicolau@intel.com>
Change-Id: Ie5d5bf54ccaa65c1d053d56a2f2973fe8625193b
(cherry picked from commit 1cebf98e1cdc99e215d30dadd5570ba836b1a6d9)
| -rw-r--r-- | src/plugins/dpdk/device/init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/plugins/dpdk/device/init.c b/src/plugins/dpdk/device/init.c index 19898b186fe..33d5df6cae2 100644 --- a/src/plugins/dpdk/device/init.c +++ b/src/plugins/dpdk/device/init.c @@ -29,6 +29,7 @@ #include <vlib/vmbus/vmbus.h> #include <rte_ring.h> +#include <rte_vect.h> #include <stdio.h> #include <stdlib.h> @@ -1527,6 +1528,10 @@ dpdk_config (vlib_main_t * vm, unformat_input_t * input) ret = rte_eal_init (vec_len (conf->eal_init_args), (char **) conf->eal_init_args); + /* enable the AVX-512 vPMDs in DPDK */ + if (clib_cpu_supports_avx512_bitalg ()) + rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512); + /* lazy umount hugepages */ umount2 ((char *) huge_dir_path, MNT_DETACH); rmdir ((char *) huge_dir_path); |