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new compute kernel design, less mem read delay

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Nitload
2026-04-07 01:04:05 +08:00
parent d702b3224c
commit 12a216d404
47 changed files with 225 additions and 145 deletions
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StgSharp.Native/sn-src/s.hash.x86.c
+2 -3
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@@ -2,7 +2,6 @@
#if SN_IS_ARCH(SN_ARCH_X86_64)
#include "sn_intrinsic.h"
#include "StgSharpNative.h"
INTERNAL int SN_DECL city_hash_simplify_sse(byte const *str, int const length)
@@ -17,7 +16,7 @@ INTERNAL int SN_DECL city_hash_simplify_sse(byte const *str, int const length)
}
} else if (size < 16) {
for (; ptr < end; ptr += 4) {
hash = _mm_crc32_u32(hash, SN_CONST_PTR_CAST(uint32_t, ptr)[0]);
hash = _mm_crc32_u32(hash, ((uint32_t const *)ptr)[0]);
}
for (; ptr < end; ptr++) {
hash = _mm_crc32_u16(hash, *ptr);
@@ -34,7 +33,7 @@ INTERNAL int SN_DECL city_hash_simplify_sse(byte const *str, int const length)
hash = _mm_crc32_u8(hash, hash64);
hash = _mm_crc32_u8(hash, hash64 >> 32);
for (; ptr < last_32; ptr += 4) {
hash = _mm_crc32_u32(hash, SN_CONST_PTR_CAST(uint32_t, ptr)[0]);
hash = _mm_crc32_u32(hash, ((uint32_t const *)ptr)[0]);
}
for (; ptr < end; ptr += 2) {
hash = _mm_crc32_u8(hash, *ptr);