From 4559dc593173a5dc1bf825780659cc93f6a24962 Mon Sep 17 00:00:00 2001 From: Iwan Kawrakow Date: Tue, 3 Dec 2024 06:52:12 +0200 Subject: [PATCH] q8_0_r4: Zen4 matrix-vector specialization --- ggml/src/iqk/iqk_mul_mat.cpp | 123 ++++++++++++++++++++++------------- 1 file changed, 79 insertions(+), 44 deletions(-) diff --git a/ggml/src/iqk/iqk_mul_mat.cpp b/ggml/src/iqk/iqk_mul_mat.cpp index 247f7f65..bbf7e379 100644 --- a/ggml/src/iqk/iqk_mul_mat.cpp +++ b/ggml/src/iqk/iqk_mul_mat.cpp @@ -2290,53 +2290,88 @@ static void mul_mat_q8_0_r4_q8_1(int n, const void * vx, size_t bx, const DataIn Q8 q8(info); int nb = n / QK8_0; GGML_ASSERT(nb%4 == 0); - __m512 acc[2*nrc_y] = {}; - __m512i qx[4]; - auto m127 = _mm512_set1_epi8(127); - for (int ix = 0; ix < nrc_x; ix += 8) { - const block_q8_0_x4 * q8l = (const block_q8_0_x4 *)((const char *)vx + (ix+0)*bx); - const block_q8_0_x4 * q8h = (const block_q8_0_x4 *)((const char *)vx + (ix+4)*bx); - for (int ib4 = 0; ib4 < nb/4; ++ib4) { - for (int k = 0; k < 4; ++k) { - auto scales128 = _mm_cvtph_ps(_mm_loadl_epi64((const __m128i *)q8l[4*ib4+k].d)); - auto scales1 = _mm256_set_m128(scales128, scales128); - scales128 = _mm_cvtph_ps(_mm_loadl_epi64((const __m128i *)q8h[4*ib4+k].d)); - auto scales2 = _mm256_set_m128(scales128, scales128); - auto scales = _mm512_insertf32x8(_mm512_castps256_ps512(scales1), scales2, 1); - auto scales_m = _mm512_mul_ps(scales, _mm512_set1_ps(-63.5f)); - qx[0] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+0)), - _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+0), 1); - qx[1] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+1)), - _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+1), 1); - qx[2] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+2)), - _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+2), 1); - qx[3] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+3)), - _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+3), 1); - qx[0] = _mm512_add_epi8(qx[0], m127); - qx[1] = _mm512_add_epi8(qx[1], m127); - qx[2] = _mm512_add_epi8(qx[2], m127); - qx[3] = _mm512_add_epi8(qx[3], m127); - for (int iy = 0; iy < nrc_y; ++iy) { - auto y8 = _mm256_loadu_si256((const __m256i*)q8.y[iy][ib4].qs+k); - auto y = _mm512_inserti32x8(_mm512_castsi256_si512(y8), y8, 1); - auto sumi = _mm512_setzero_si512(); - sumi = _mm512_dpbusd_epi32(sumi, qx[0], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0x00))); - sumi = _mm512_dpbusd_epi32(sumi, qx[1], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0x55))); - sumi = _mm512_dpbusd_epi32(sumi, qx[2], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0xaa))); - sumi = _mm512_dpbusd_epi32(sumi, qx[3], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0xff))); - auto dy = _mm512_set1_ps(GGML_FP16_TO_FP32(q8.y[iy][ib4].d[k])); - acc[2*iy+0] = _mm512_fmadd_ps(_mm512_mul_ps(scales, dy), _mm512_cvtepi32_ps(sumi), acc[2*iy+0]); - acc[2*iy+1] = _mm512_fmadd_ps(scales_m, _mm512_set1_ps(GGML_FP16_TO_FP32(q8.y[iy][ib4].d[k+4])), acc[2*iy+1]); + if constexpr (nrc_y == 1) { + auto m127 = _mm256_set1_epi8(127); + auto m1 = _mm256_set1_epi16(1); + __m256 acc[nrc_y] = {}; + for (int ix = 0; ix < nrc_x; ix += 4) { + const block_q8_0_x4 * iq8 = (const block_q8_0_x4 *)((const char *)vx + ix*bx); + for (int ib4 = 0; ib4 < nb/4; ++ib4) { + for (int k = 0; k < 4; ++k) { + auto scales128 = _mm_cvtph_ps(_mm_loadl_epi64((const __m128i *)iq8[4*ib4+k].d)); + auto scales = _mm256_set_m128(scales128, scales128); + auto scales_m = _mm256_mul_ps(scales, _mm256_set1_ps(-63.5f)); + auto q1 = _mm256_add_epi8(_mm256_loadu_si256((const __m256i *)iq8[4*ib4+k].qs+0), m127); + auto q2 = _mm256_add_epi8(_mm256_loadu_si256((const __m256i *)iq8[4*ib4+k].qs+1), m127); + auto q3 = _mm256_add_epi8(_mm256_loadu_si256((const __m256i *)iq8[4*ib4+k].qs+2), m127); + auto q4 = _mm256_add_epi8(_mm256_loadu_si256((const __m256i *)iq8[4*ib4+k].qs+3), m127); + for (int iy = 0; iy < nrc_y; ++iy) { + auto y = _mm256_loadu_si256((const __m256i*)q8.y[iy][ib4].qs+k); + auto sumi1 = _mm256_add_epi32(_mm256_madd_epi16(m1, _mm256_maddubs_epi16(q1, _mm256_shuffle_epi32(y, 0x00))), + _mm256_madd_epi16(m1, _mm256_maddubs_epi16(q2, _mm256_shuffle_epi32(y, 0x55)))); + auto sumi2 = _mm256_add_epi32(_mm256_madd_epi16(m1, _mm256_maddubs_epi16(q3, _mm256_shuffle_epi32(y, 0xaa))), + _mm256_madd_epi16(m1, _mm256_maddubs_epi16(q4, _mm256_shuffle_epi32(y, 0xff)))); + auto d4d8 = _mm256_mul_ps(scales, _mm256_set1_ps(GGML_FP16_TO_FP32(q8.y[iy][ib4].d[k]))); + acc[iy] = _mm256_fmadd_ps(d4d8, _mm256_cvtepi32_ps(_mm256_add_epi32(sumi1, sumi2)), acc[iy]); + acc[iy] = _mm256_fmadd_ps(scales_m, _mm256_set1_ps(GGML_FP16_TO_FP32(q8.y[iy][ib4].d[k+4])), acc[iy]); + } } } + for (int iy = 0; iy < nrc_y; ++iy) { + auto sum = _mm_add_ps(_mm256_castps256_ps128(acc[iy]), _mm256_extractf128_ps(acc[iy], 1)); + info.store(ix, iy, sum); + acc[iy] = _mm256_setzero_ps(); + } } - for (int iy = 0; iy < nrc_y; ++iy) { - auto sum512 = _mm512_add_ps(acc[2*iy+0], acc[2*iy+1]); - acc[2*iy+0] = acc[2*iy+1] = _mm512_setzero_ps(); - auto sum1 = _mm_add_ps(_mm512_extractf32x4_ps(sum512, 0), _mm512_extractf32x4_ps(sum512, 1)); - auto sum2 = _mm_add_ps(_mm512_extractf32x4_ps(sum512, 2), _mm512_extractf32x4_ps(sum512, 3)); - info.store(ix+0, iy, sum1); - info.store(ix+4, iy, sum2); + } else { + __m512 acc[2*nrc_y] = {}; + __m512i qx[4]; + auto m127 = _mm512_set1_epi8(127); + for (int ix = 0; ix < nrc_x; ix += 8) { + const block_q8_0_x4 * q8l = (const block_q8_0_x4 *)((const char *)vx + (ix+0)*bx); + const block_q8_0_x4 * q8h = (const block_q8_0_x4 *)((const char *)vx + (ix+4)*bx); + for (int ib4 = 0; ib4 < nb/4; ++ib4) { + for (int k = 0; k < 4; ++k) { + auto scales128 = _mm_cvtph_ps(_mm_loadl_epi64((const __m128i *)q8l[4*ib4+k].d)); + auto scales1 = _mm256_set_m128(scales128, scales128); + scales128 = _mm_cvtph_ps(_mm_loadl_epi64((const __m128i *)q8h[4*ib4+k].d)); + auto scales2 = _mm256_set_m128(scales128, scales128); + auto scales = _mm512_insertf32x8(_mm512_castps256_ps512(scales1), scales2, 1); + auto scales_m = _mm512_mul_ps(scales, _mm512_set1_ps(-63.5f)); + qx[0] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+0)), + _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+0), 1); + qx[1] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+1)), + _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+1), 1); + qx[2] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+2)), + _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+2), 1); + qx[3] = _mm512_inserti32x8(_mm512_castsi256_si512(_mm256_loadu_si256((const __m256i *)q8l[4*ib4+k].qs+3)), + _mm256_loadu_si256((const __m256i *)q8h[4*ib4+k].qs+3), 1); + qx[0] = _mm512_add_epi8(qx[0], m127); + qx[1] = _mm512_add_epi8(qx[1], m127); + qx[2] = _mm512_add_epi8(qx[2], m127); + qx[3] = _mm512_add_epi8(qx[3], m127); + for (int iy = 0; iy < nrc_y; ++iy) { + auto y8 = _mm256_loadu_si256((const __m256i*)q8.y[iy][ib4].qs+k); + auto y = _mm512_inserti32x8(_mm512_castsi256_si512(y8), y8, 1); + auto sumi = _mm512_setzero_si512(); + sumi = _mm512_dpbusd_epi32(sumi, qx[0], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0x00))); + sumi = _mm512_dpbusd_epi32(sumi, qx[1], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0x55))); + sumi = _mm512_dpbusd_epi32(sumi, qx[2], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0xaa))); + sumi = _mm512_dpbusd_epi32(sumi, qx[3], _mm512_shuffle_epi32(y, _MM_PERM_ENUM(0xff))); + auto dy = _mm512_set1_ps(GGML_FP16_TO_FP32(q8.y[iy][ib4].d[k])); + acc[2*iy+0] = _mm512_fmadd_ps(_mm512_mul_ps(scales, dy), _mm512_cvtepi32_ps(sumi), acc[2*iy+0]); + acc[2*iy+1] = _mm512_fmadd_ps(scales_m, _mm512_set1_ps(GGML_FP16_TO_FP32(q8.y[iy][ib4].d[k+4])), acc[2*iy+1]); + } + } + } + for (int iy = 0; iy < nrc_y; ++iy) { + auto sum512 = _mm512_add_ps(acc[2*iy+0], acc[2*iy+1]); + acc[2*iy+0] = acc[2*iy+1] = _mm512_setzero_ps(); + auto sum1 = _mm_add_ps(_mm512_extractf32x4_ps(sum512, 0), _mm512_extractf32x4_ps(sum512, 1)); + auto sum2 = _mm_add_ps(_mm512_extractf32x4_ps(sum512, 2), _mm512_extractf32x4_ps(sum512, 3)); + info.store(ix+0, iy, sum1); + info.store(ix+4, iy, sum2); + } } } }