diff options
| author |   Ray Kinsella <mdr@ashroe.eu> | 2021-01-14 16:37:37 +0000 |
|---|---|---|
| committer |   Damjan Marion <dmarion@me.com> | 2021-03-04 10:50:26 +0000 |
| commit | 1cebf98e1cdc99e215d30dadd5570ba836b1a6d9 (patch) | |
| tree | 69e201a0324c7cf44284292934c94ab896672ab2 /src/plugins/dpdk | |
| parent | f457a3886ae21cc0d4b43d8eaf5f8af86f836bad (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
Diffstat (limited to 'src/plugins/dpdk')
| -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 19d664a5778..2874167665f 100644 --- a/src/plugins/dpdk/device/init.c +++ b/src/plugins/dpdk/device/init.c @@ -30,6 +30,7 @@ #include <vlib/vmbus/vmbus.h> #include <rte_ring.h> +#include <rte_vect.h> #include <stdio.h> #include <stdlib.h> @@ -1678,6 +1679,10 @@ 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); |