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authorDamjan Marion <damarion@cisco.com>2018-05-23 20:21:51 +0200
committerDamjan Marion <dmarion.lists@gmail.com>2018-05-25 11:44:43 +0000
commit1cf9a165fc80b2f8109f85d5bd121e0c7c397e58 (patch)
tree207e20914dc9edab3f2f225377e2c1af9d476190 /src/vppinfra/vector_avx512.h
parentd57f63698f99fad0288ac040d83b3ecd380d4bfd (diff)
Vectorized bihash_{48,40,24,16}_8 key compare
bihash_48_8 case: Scalar code: 6 clocks SSE4.2 code: 3 clocks AVX2 code: 2.27 clocks AVX512 code: 1.5 clocks Change-Id: I40700175835a1e7321276e47eadbf9771d3c5a68 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vppinfra/vector_avx512.h')
-rw-r--r--src/vppinfra/vector_avx512.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/vppinfra/vector_avx512.h b/src/vppinfra/vector_avx512.h
index 4aee8d1170a..f69c67e697c 100644
--- a/src/vppinfra/vector_avx512.h
+++ b/src/vppinfra/vector_avx512.h
@@ -28,7 +28,7 @@
_(f,32,8,ps) _(f,64,4,pd)
/* splat, load_unaligned, store_unaligned, is_all_zero, is_equal,
- is_all_equal */
+ is_all_equal, is_zero_mask */
#define _(t, s, c, i) \
static_always_inline t##s##x##c \
t##s##x##c##_splat (t##s x) \
@@ -53,6 +53,11 @@ t##s##x##c##_is_equal (t##s##x##c a, t##s##x##c b) \
static_always_inline int \
t##s##x##c##_is_all_equal (t##s##x##c v, t##s x) \
{ return t##s##x##c##_is_equal (v, t##s##x##c##_splat (x)); } \
+\
+static_always_inline u##c \
+t##s##x##c##_is_zero_mask (t##s##x##c v) \
+{ return _mm512_test_##i##_mask ((__m512i) v, (__m512i) v); } \
+
foreach_avx512_vec512i foreach_avx512_vec512u
#undef _