vbatts/llama.cpp
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netrunnereve 2024-04-24 23:00:02 -04:00
parent dee9566dc7
commit 063a31f7a8
1 changed files with 23 additions and 13 deletions
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36
sgemm.cpp
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@ -733,10 +733,10 @@ class tinyBLAS_Q0_AVX {
_mm256_sign_epi8(load(B + ldb * (jj + j) + l),
load(A + lda * (ii + i) + l)));
#else
__m128i ali0 = _mm256_extractf128_si256(load(A + lda * (ii + i) + l), 0);
__m128i ali1 = _mm256_extractf128_si256(load(A + lda * (ii + i) + l), 1);
__m128i blj0 = _mm256_extractf128_si256(load(B + ldb * (jj + j) + l), 0);
__m128i blj1 = _mm256_extractf128_si256(load(B + ldb * (jj + j) + l), 1);
__m128i ali0 = load0(A + lda * (ii + i) + l);
__m128i ali1 = load1(A + lda * (ii + i) + l);
__m128i blj0 = load0(B + ldb * (jj + j) + l);
__m128i blj1 = load1(B + ldb * (jj + j) + l);
__m128i sepAA0 = _mm_sign_epi8(ali0, ali0);
__m128i sepAA1 = _mm_sign_epi8(ali1, ali1);
@ -764,16 +764,26 @@ class tinyBLAS_Q0_AVX {
return _mm256_loadu_si256((const __m256i *)b->qs);
}
inline __m256i load(const block_q4_0 *b) {
#if defined(__AVX2__)
return _mm256_sub_epi8(denibble(b->qs), _mm256_set1_epi8(8));
#else
__m128i x = _mm_loadu_si128((const __m128i *)(b->qs));
const __m128i dn0 = _mm_and_si128(_mm_set1_epi8(15), x);
const __m128i dn1 = _mm_and_si128(_mm_set1_epi8(15), _mm_srli_epi16(x, 4));
inline __m128i load0(const block_q8_0 *b) {
return _mm_loadu_si128((const __m128i *)b->qs);
}
return MM256_SET_M128I(_mm_sub_epi8(dn1, _mm_set1_epi8(8)), _mm_sub_epi8(dn0, _mm_set1_epi8(8)));
#endif
inline __m128i load1(const block_q8_0 *b) {
return _mm_loadu_si128(((const __m128i *)b->qs) + 1);
}
inline __m256i load(const block_q4_0 *b) {
return _mm256_sub_epi8(denibble(b->qs), _mm256_set1_epi8(8));
}
inline __m128i load0(const block_q4_0 *b) {
const __m128i x = _mm_loadu_si128((const __m128i *)(b->qs));
return _mm_sub_epi8(_mm_and_si128(_mm_set1_epi8(15), x), _mm_set1_epi8(8));
}
inline __m128i load1(const block_q4_0 *b) {
const __m128i x = _mm_loadu_si128((const __m128i *)(b->qs));
return _mm_sub_epi8(_mm_and_si128(_mm_set1_epi8(15), _mm_srli_epi16(x, 4)), _mm_set1_epi8(8));
}
inline __m256 updot(__m256i u, __m256i s) {