- Add SVE code to compare_signatures().
- Tested on Aarch64 N2 based platform with 128 bit vector registers.
Performance Numbers from hash_perf_autotest :
Elements in Primary or Secondary Location
Results (in CPU cycles/operation)
-----------------------------------
Operations without data
Without pre-computed hash values
Keysize Add/Lookup/Lookup_bulk
Neon SVE
4 93/71/26 93/71/27
8 93/70/26 93/70/27
9 94/74/27 94/74/28
13 100/80/31 100/79/32
16 100/78/30 100/78/31
32 109/110/38 108/110/39
With pre-computed hash values
Keysize Add/Lookup/Lookup_bulk
Neon SVE
4 83/58/27 83/58/29
8 83/57/27 83/57/28
9 83/60/28 83/60/29
13 84/60/28 83/60/29
16 83/58/27 83/58/29
32 84/68/31 84/68/32
Note: Functionality verified with 256 bit vector length platform.
Harjot Singh (1):
hash: add SVE support for bulk key lookup
.mailmap | 1 +
lib/hash/rte_cuckoo_hash.c | 37 ++++++++++++++++++++++++++++++++++++-
lib/hash/rte_cuckoo_hash.h | 1 +
3 files changed, 38 insertions(+), 1 deletion(-)
--
2.25.1
