X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvppinfra%2Fbihash_24_8.h;h=463521d8126e6d37554eac1f2b60317a2d7a85b9;hb=5fb2278cb8badbbfe727acbdcaeda008a7fd2833;hp=353f06bf11f5e6c51ebe129a8618f168f450356b;hpb=7cd468a3d7dee7d6c92f69a0bb7061ae208ec727;p=vpp.git diff --git a/src/vppinfra/bihash_24_8.h b/src/vppinfra/bihash_24_8.h index 353f06bf11f..463521d8126 100644 --- a/src/vppinfra/bihash_24_8.h +++ b/src/vppinfra/bihash_24_8.h @@ -13,6 +13,9 @@ * limitations under the License. */ #undef BIHASH_TYPE +#undef BIHASH_KVP_PER_PAGE +#undef BIHASH_32_64_SVM +#undef BIHASH_ENABLE_STATS #define BIHASH_TYPE _24_8 #define BIHASH_KVP_PER_PAGE 4 @@ -20,6 +23,7 @@ #ifndef __included_bihash_24_8_h__ #define __included_bihash_24_8_h__ +#include #include #include #include @@ -34,7 +38,7 @@ typedef struct static inline int clib_bihash_is_free_24_8 (const clib_bihash_kv_24_8_t * v) { - /* Free values are memset to 0xff, check a bit... */ + /* Free values are clib_memset to 0xff, check a bit... */ if (v->key[0] == ~0ULL && v->value == ~0ULL) return 1; return 0; @@ -43,12 +47,8 @@ clib_bihash_is_free_24_8 (const clib_bihash_kv_24_8_t * v) static inline u64 clib_bihash_hash_24_8 (const clib_bihash_kv_24_8_t * v) { -#if __SSE4_2__ - u32 value = 0; - value = _mm_crc32_u64 (value, v->key[0]); - value = _mm_crc32_u64 (value, v->key[1]); - value = _mm_crc32_u64 (value, v->key[2]); - return value; +#ifdef clib_crc32c_uses_intrinsics + return clib_crc32c ((u8 *) v->key, 24); #else u64 tmp = v->key[0] ^ v->key[1] ^ v->key[2]; return clib_xxhash (tmp); @@ -66,9 +66,18 @@ format_bihash_kvp_24_8 (u8 * s, va_list * args) } static inline int -clib_bihash_key_compare_24_8 (const u64 * a, const u64 * b) +clib_bihash_key_compare_24_8 (u64 * a, u64 * b) { +#if defined (CLIB_HAVE_VEC512) + u64x8 v = u64x8_load_unaligned (a) ^ u64x8_load_unaligned (b); + return (u64x8_is_zero_mask (v) & 0x7) == 0; +#elif defined(CLIB_HAVE_VEC128) && defined(CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE) + u64x2 v = { a[2] ^ b[2], 0 }; + v |= u64x2_load_unaligned (a) ^ u64x2_load_unaligned (b); + return u64x2_is_all_zero (v); +#else return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) == 0; +#endif } #undef __included_bihash_template_h__