ggml-cpu: arm64: q5_K repack gemm and gemv (and generic) implementations (dotprod) (#19356)

* Generic GEMV and boilerplate for q5_K dotprod
* Generic GEMM and boilerplate for q5_K dotprod
* ARM64 q5_K dotprod GEMM
* ARM64 q5_K dotprod GEMV
This commit is contained in:
Alberto Cabrera Pérez
2026-02-23 12:42:52 +00:00
committed by GitHub
parent 2b6dfe824d
commit bc160d3582
4 changed files with 642 additions and 201 deletions
+388
View File
@@ -785,6 +785,165 @@ void ggml_gemv_q4_K_8x8_q8_K(int n,
ggml_gemv_q4_K_8x8_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemv_q5_K_8x4_q8_K(int n,
float * GGML_RESTRICT s,
size_t bs,
const void * GGML_RESTRICT vx,
const void * GGML_RESTRICT vy,
int nr,
int nc) {
constexpr int qk = QK_K;
const int nb = n / qk;
constexpr int ncols_interleaved = 8;
constexpr int blocklen = 4;
assert(n % qk == 0);
assert(nc % ncols_interleaved == 0);
UNUSED(nb);
UNUSED(ncols_interleaved);
UNUSED(blocklen);
#if defined(__aarch64__) && defined(__ARM_NEON) && defined(__ARM_FEATURE_DOTPROD)
constexpr int col_groups = ncols_interleaved / 4; // 0123 and 4567
const uint8x16_t m4b = vdupq_n_u8(0x0f);
const uint8x16_t mone = vdupq_n_u8(1);
const uint8x16_t mtwo = vdupq_n_u8(2);
// 1x8 tile = 2 x 4
float32x4_t acc_f32[col_groups];
const block_q8_K * GGML_RESTRICT q8_ptr = (const block_q8_K *) vy;
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q5_Kx8 * GGML_RESTRICT q5_ptr = (const block_q5_Kx8 *) vx + (x * nb);
for (int i = 0; i < col_groups; i++) {
acc_f32[i] = vdupq_n_f32(0);
}
for (int b = 0; b < nb; b++) {
float32x4_t q5_d_0 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].d)); // d0 d1 d2 d3
float32x4_t q5_d_1 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].d + 4)); // d4 d5 d6 d7
float32x4_t q8_d = vdupq_n_f32(q8_ptr[b].d);
float32x4_t sb_scale_0123 = vmulq_f32(q5_d_0, q8_d);
float32x4_t sb_scale_4567 = vmulq_f32(q5_d_1, q8_d);
float32x4_t q5_dmin_0 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].dmin)); // dmin 0..3
float32x4_t q5_dmin_1 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].dmin + 4)); // dmin 4..7
float32x4_t sb_min_0123 = vmulq_f32(q5_dmin_0, q8_d);
float32x4_t sb_min_4567 = vmulq_f32(q5_dmin_1, q8_d);
// interleaved bias_acc: [0]->r0 0123, [1]->r0 4567
int32x4_t bias_acc[2] = { vdupq_n_s32(0), vdupq_n_s32(0) };
int32x4_t acc_lo[col_groups];
int32x4_t acc_hi[col_groups];
// Each bsum is 16 elements, pairwise add leaves us with the 8 bsums of the entire block
const int16x8_t bsums = vpaddq_s16(vld1q_s16(q8_ptr[b].bsums), vld1q_s16(q8_ptr[b].bsums + 8));
int16_t bsums_arr[8];
vst1q_s16(bsums_arr, bsums);
uint8x16_t qh[col_groups][8];
for (int c = 0; c < col_groups; c++) {
for (int i = 0; i < 8; i++) {
qh[c][i] = vld1q_u8(q5_ptr[b].qh + i * 32 + 16 * c);
}
}
for (int sb = 0; sb < QK_K / 64; sb++) {
for (int i = 0; i < col_groups; i++) {
acc_lo[i] = vdupq_n_s32(0);
acc_hi[i] = vdupq_n_s32(0);
}
// Need scales for the low and high nibbles
// 2 * 12 = 24 bytes per subblock, 4 sbs -> 4 * 24 = 96 bytes total
int16x8_t q5sb_mins[2];
int16x8_t q5sb_scales[2];
for (int i = 0; i < 2; i++) {
int8_t aux_q5sb[8];
const int offset = sb * 24 + i * 12;
decode_q_Kx8_6bit_scales(&q5_ptr[b].scales[offset], &q5sb_mins[i], aux_q5sb);
q5sb_scales[i] = vmovl_s8(vld1_s8(aux_q5sb));
}
int8x16_t q8_qs[4];
for (int i = 0; i < 4; i++) {
q8_qs[i] = vld1q_s8(q8_ptr[b].qs + sb * 64 + i * 16);
}
for (int c = 0; c < col_groups; c++) {
uint8x16_t q5_cols[8];
uint8x16_t hbit_lo[8];
uint8x16_t hbit_hi[8];
int8x16_t q5_lo[8];
int8x16_t q5_hi[8];
for (int i = 0; i < 8; i++) {
q5_cols[i] = vld1q_u8(q5_ptr[b].qs + sb * QK_K + i * 32 + 16 * c);
hbit_lo[i] = vandq_u8(qh[c][i], mone);
hbit_hi[i] = vshlq_n_u8(vandq_u8(qh[c][i], mtwo), 3);
qh[c][i] = vshrq_n_u8(qh[c][i], 2);
q5_lo[i] = vreinterpretq_s8_u8(vsliq_n_u8(vandq_u8(q5_cols[i], m4b), hbit_lo[i], 4));
q5_hi[i] = vreinterpretq_s8_u8(vorrq_u8(vshrq_n_u8(q5_cols[i], 4), hbit_hi[i]));
}
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[0], q8_qs[0], 0);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[1], q8_qs[0], 1);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[2], q8_qs[0], 2);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[3], q8_qs[0], 3);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[4], q8_qs[1], 0);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[5], q8_qs[1], 1);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[6], q8_qs[1], 2);
acc_lo[c] = vdotq_laneq_s32(acc_lo[c], q5_lo[7], q8_qs[1], 3);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[0], q8_qs[2], 0);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[1], q8_qs[2], 1);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[2], q8_qs[2], 2);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[3], q8_qs[2], 3);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[4], q8_qs[3], 0);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[5], q8_qs[3], 1);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[6], q8_qs[3], 2);
acc_hi[c] = vdotq_laneq_s32(acc_hi[c], q5_hi[7], q8_qs[3], 3);
}
// Scales
// row c0123 blk0 and blk1
const int16x4_t sc_0123_lo = vget_low_s16(q5sb_scales[0]);
const int16x4_t sc_0123_hi = vget_low_s16(q5sb_scales[1]);
const float32x4_t sumf_0123 = vcvtq_f32_s32(vaddq_s32(vmulq_s32(vmovl_s16(sc_0123_lo), acc_lo[0]),
vmulq_s32(vmovl_s16(sc_0123_hi), acc_hi[0])));
acc_f32[0] = vfmaq_f32(acc_f32[0], sb_scale_0123, sumf_0123);
// row c4567 blk0 and blk1
const int16x4_t sc_4567_lo = vget_high_s16(q5sb_scales[0]);
const int16x4_t sc_4567_hi = vget_high_s16(q5sb_scales[1]);
const float32x4_t sumf_4567 = vcvtq_f32_s32(vaddq_s32(vmulq_s32(vmovl_s16(sc_4567_lo), acc_lo[1]),
vmulq_s32(vmovl_s16(sc_4567_hi), acc_hi[1])));
acc_f32[1] = vfmaq_f32(acc_f32[1], sb_scale_4567, sumf_4567);
// Bias Correction
const int16x4_t bsums_vec_lo = vdup_n_s16(bsums_arr[2 * sb + 0]);
const int16x4_t bsums_vec_hi = vdup_n_s16(bsums_arr[2 * sb + 1]);
bias_acc[0] = vmlal_s16(bias_acc[0], bsums_vec_lo, vget_low_s16(q5sb_mins[0]));
bias_acc[0] = vmlal_s16(bias_acc[0], bsums_vec_hi, vget_low_s16(q5sb_mins[1]));
bias_acc[1] = vmlal_s16(bias_acc[1], bsums_vec_lo, vget_high_s16(q5sb_mins[0]));
bias_acc[1] = vmlal_s16(bias_acc[1], bsums_vec_hi, vget_high_s16(q5sb_mins[1]));
} // for sb
acc_f32[0] = vmlsq_f32(acc_f32[0], vcvtq_f32_s32(bias_acc[0]), sb_min_0123);
acc_f32[1] = vmlsq_f32(acc_f32[1], vcvtq_f32_s32(bias_acc[1]), sb_min_4567);
} // for b
int base = x * ncols_interleaved;
vst1q_f32(s + base, acc_f32[0]);
vst1q_f32(s + base + 4, acc_f32[1]);
} // for x
return;
#endif // defined(__aarch64__) && defined(__ARM_NEON) && defined(__ARM_FEATURE_DOTPROD)
ggml_gemv_q5_K_8x4_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemv_q5_K_8x8_q8_K(int n,
float * GGML_RESTRICT s,
size_t bs,
@@ -3205,6 +3364,235 @@ void ggml_gemm_q4_K_8x4_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const vo
ggml_gemm_q4_K_8x4_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemm_q5_K_8x4_q8_K(int n,
float * GGML_RESTRICT s,
size_t bs,
const void * GGML_RESTRICT vx,
const void * GGML_RESTRICT vy,
int nr,
int nc) {
constexpr int qk = QK_K;
const int nb = n / qk;
constexpr int ncols_interleaved = 8;
constexpr int blocklen = 4;
assert(n % qk == 0);
assert(nr % 4 == 0);
assert(nc % ncols_interleaved == 0);
UNUSED(nb);
UNUSED(ncols_interleaved);
UNUSED(blocklen);
#if defined(__aarch64__) && defined(__ARM_NEON) && defined(__ARM_FEATURE_DOTPROD)
constexpr int q8_k_blocklen = 4;
constexpr int acc_size = 2 * 4; // 2 row pairs, 4 col pairs
constexpr int col_groups = ncols_interleaved / 4;
const uint8x16_t m4b = vdupq_n_u8(0x0f);
const uint8x16_t mone = vdupq_n_u8(1);
const uint8x16_t mtwo = vdupq_n_u8(2);
// 8 accumulators: 2 row pairs, 4 col pairs
float32x4_t acc_f32[acc_size];
for (int y = 0; y < nr / q8_k_blocklen; y++) {
const block_q8_Kx4 * GGML_RESTRICT q8_ptr = (const block_q8_Kx4 *) vy + (y * nb);
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q5_Kx8 * GGML_RESTRICT q5_ptr = (const block_q5_Kx8 *) vx + (x * nb);
for (int i = 0; i < acc_size; i++) {
acc_f32[i] = vdupq_n_f32(0);
}
for (int b = 0; b < nb; b++) {
// d5 0 1 2 3, 4 5 6 7
float32x4_t q5_d_0123 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].d));
float32x4_t q5_d_4567 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].d + 4));
// d8 0 1 2 3
float32x4_t q8_d_0123 = vld1q_f32(q8_ptr[b].d);
// mins
float32x4_t q5_dmin_0123 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].dmin));
float32x4_t q5_dmin_4567 = vcvt_f32_f16(vld1_f16((const __fp16 *) q5_ptr[b].dmin + 4));
// Precomputation of scales and mins
float32x4_t sbd_scale_0123[q8_k_blocklen];
float32x4_t sbd_scale_4567[q8_k_blocklen];
float32x4_t sbd_min_0123[q8_k_blocklen];
float32x4_t sbd_min_4567[q8_k_blocklen];
sbd_scale_0123[0] = vmulq_laneq_f32(q5_d_0123, q8_d_0123, 0);
sbd_scale_4567[0] = vmulq_laneq_f32(q5_d_4567, q8_d_0123, 0);
sbd_min_0123[0] = vmulq_laneq_f32(q5_dmin_0123, q8_d_0123, 0);
sbd_min_4567[0] = vmulq_laneq_f32(q5_dmin_4567, q8_d_0123, 0);
sbd_scale_0123[1] = vmulq_laneq_f32(q5_d_0123, q8_d_0123, 1);
sbd_scale_4567[1] = vmulq_laneq_f32(q5_d_4567, q8_d_0123, 1);
sbd_min_0123[1] = vmulq_laneq_f32(q5_dmin_0123, q8_d_0123, 1);
sbd_min_4567[1] = vmulq_laneq_f32(q5_dmin_4567, q8_d_0123, 1);
sbd_scale_0123[2] = vmulq_laneq_f32(q5_d_0123, q8_d_0123, 2);
sbd_scale_4567[2] = vmulq_laneq_f32(q5_d_4567, q8_d_0123, 2);
sbd_min_0123[2] = vmulq_laneq_f32(q5_dmin_0123, q8_d_0123, 2);
sbd_min_4567[2] = vmulq_laneq_f32(q5_dmin_4567, q8_d_0123, 2);
sbd_scale_0123[3] = vmulq_laneq_f32(q5_d_0123, q8_d_0123, 3);
sbd_scale_4567[3] = vmulq_laneq_f32(q5_d_4567, q8_d_0123, 3);
sbd_min_0123[3] = vmulq_laneq_f32(q5_dmin_0123, q8_d_0123, 3);
sbd_min_4567[3] = vmulq_laneq_f32(q5_dmin_4567, q8_d_0123, 3);
// Precomputation of bsums, each vpaddq calcs all the bsums for each row
const int16x8_t bsums[q8_k_blocklen] = {
vpaddq_s16(vld1q_s16(q8_ptr[b].bsums + 16 * 0), vld1q_s16(q8_ptr[b].bsums + 16 * 0 + 8)),
vpaddq_s16(vld1q_s16(q8_ptr[b].bsums + 16 * 1), vld1q_s16(q8_ptr[b].bsums + 16 * 1 + 8)),
vpaddq_s16(vld1q_s16(q8_ptr[b].bsums + 16 * 2), vld1q_s16(q8_ptr[b].bsums + 16 * 2 + 8)),
vpaddq_s16(vld1q_s16(q8_ptr[b].bsums + 16 * 3), vld1q_s16(q8_ptr[b].bsums + 16 * 3 + 8)),
};
int16_t bsums_arr[QK_K / 64][8];
for (int q8_row = 0; q8_row < 4; q8_row++) {
vst1q_s16(bsums_arr[q8_row], bsums[q8_row]);
}
// interleaved bias_acc: [0]->r0 0123, [1]->r1 0123, .., [4]->r0 4567, [5]->r1 4567 ..
int32x4_t bias_acc[acc_size];
for (int i = 0; i < acc_size; i++) {
bias_acc[i] = vdupq_n_s32(0);
}
uint8x16_t qh[col_groups][8];
for (int c = 0; c < col_groups; c++) {
for (int i = 0; i < 8; i++) {
qh[c][i] = vld1q_u8(q5_ptr[b].qh + i * 32 + 16 * c);
}
}
for (int sb = 0; sb < QK_K / 64; sb++) {
// Int accumulators for qs vecdot (4 row * 2 col quartets)
int32x4_t acc_lo[acc_size];
int32x4_t acc_hi[acc_size];
for (int i = 0; i < acc_size; i++) {
acc_lo[i] = vdupq_n_s32(0);
acc_hi[i] = vdupq_n_s32(0);
}
// Need scales for the low and high nibbles
// 2 * 12 = 24 bytes per subblock, 4 sbs -> 4 * 24 = 96 bytes total
int16x8_t q5sb_scales[2];
int16x8_t q5sb_mins[2];
for (int i = 0; i < 2; i++) {
int8_t aux_q5sb[8];
const int offset = sb * 24 + i * 12;
decode_q_Kx8_6bit_scales(&q5_ptr[b].scales[offset], &q5sb_mins[i], aux_q5sb);
q5sb_scales[i] = vmovl_s8(vld1_s8(aux_q5sb));
}
constexpr int reads_per_sb = 8; // 8 * 16 bytes each => 32 qs * 4 rows
for (int k = 0; k < reads_per_sb; k++) {
const int8x16_t q8_blk0 = vld1q_s8(q8_ptr[b].qs + sb * 256 + 16 * k);
const int8x16_t q8_blk1 = vld1q_s8(q8_ptr[b].qs + sb * 256 + 16 * k + 128);
// 0..3 & 32..35
const uint8x16_t q5_0123 = vld1q_u8(q5_ptr[b].qs + sb * QK_K + 32 * k);
const uint8x16_t q5_4567 = vld1q_u8(q5_ptr[b].qs + sb * QK_K + 32 * k + 16);
// NOTE: This is the only difference with q4_K
const uint8x16_t hbit_lo_0123 = vandq_u8(qh[0][k], mone);
const uint8x16_t hbit_hi_0123 = vshlq_n_u8(vandq_u8(qh[0][k], mtwo), 3);
qh[0][k] = vshrq_n_u8(qh[0][k], 2);
const uint8x16_t hbit_lo_4567 = vandq_u8(qh[1][k], mone);
const uint8x16_t hbit_hi_4567 = vshlq_n_u8(vandq_u8(qh[1][k], mtwo), 3);
qh[1][k] = vshrq_n_u8(qh[1][k], 2);
// From here, same as q4_K
const int8x16_t q5_0123_lo =
vreinterpretq_s8_u8(vsliq_n_u8(vandq_u8(q5_0123, m4b), hbit_lo_0123, 4));
const int8x16_t q5_0123_hi =
vreinterpretq_s8_u8(vorrq_u8(vshrq_n_u8(q5_0123, 4), hbit_hi_0123));
acc_lo[0] = vdotq_laneq_s32(acc_lo[0], q5_0123_lo, q8_blk0, 0); // 0..3 r0 c0123
acc_lo[1] = vdotq_laneq_s32(acc_lo[1], q5_0123_lo, q8_blk0, 1); // 0..3 r1 c0123
acc_lo[2] = vdotq_laneq_s32(acc_lo[2], q5_0123_lo, q8_blk0, 2); // 0..3 r2 c0123
acc_lo[3] = vdotq_laneq_s32(acc_lo[3], q5_0123_lo, q8_blk0, 3); // 0..3 r3 c0123
acc_hi[0] = vdotq_laneq_s32(acc_hi[0], q5_0123_hi, q8_blk1, 0); // 32..35 r0 c0123
acc_hi[1] = vdotq_laneq_s32(acc_hi[1], q5_0123_hi, q8_blk1, 1); // 32..35 r1 c0123
acc_hi[2] = vdotq_laneq_s32(acc_hi[2], q5_0123_hi, q8_blk1, 2); // 32..35 r2 c0123
acc_hi[3] = vdotq_laneq_s32(acc_hi[3], q5_0123_hi, q8_blk1, 3); // 32..35 r3 c0123
const int8x16_t q5_4567_lo =
vreinterpretq_s8_u8(vsliq_n_u8(vandq_u8(q5_4567, m4b), hbit_lo_4567, 4));
const int8x16_t q5_4567_hi =
vreinterpretq_s8_u8(vorrq_u8(vshrq_n_u8(q5_4567, 4), hbit_hi_4567));
acc_lo[4] = vdotq_laneq_s32(acc_lo[4], q5_4567_lo, q8_blk0, 0); // 0..3 r0 c4567
acc_lo[5] = vdotq_laneq_s32(acc_lo[5], q5_4567_lo, q8_blk0, 1); // 0..3 r1 c4567
acc_lo[6] = vdotq_laneq_s32(acc_lo[6], q5_4567_lo, q8_blk0, 2); // 0..3 r2 c4567
acc_lo[7] = vdotq_laneq_s32(acc_lo[7], q5_4567_lo, q8_blk0, 3); // 0..3 r3 c4567
acc_hi[4] = vdotq_laneq_s32(acc_hi[4], q5_4567_hi, q8_blk1, 0); // 32..35 r0 c4567
acc_hi[5] = vdotq_laneq_s32(acc_hi[5], q5_4567_hi, q8_blk1, 1); // 32..35 r1 c4567
acc_hi[6] = vdotq_laneq_s32(acc_hi[6], q5_4567_hi, q8_blk1, 2); // 32..35 r2 c4567
acc_hi[7] = vdotq_laneq_s32(acc_hi[7], q5_4567_hi, q8_blk1, 3); // 32..35 r3 c4567
}
// Scale and bias application
// acc is stored interleaved to match output layout
const int16x4_t sc_0123_lo = vget_low_s16(q5sb_scales[0]);
const int16x4_t sc_4567_lo = vget_high_s16(q5sb_scales[0]);
const int16x4_t sc_0123_hi = vget_low_s16(q5sb_scales[1]);
const int16x4_t sc_4567_hi = vget_high_s16(q5sb_scales[1]);
for (int row = 0; row < q8_k_blocklen; row++) {
// Bias correction
// row c0123 blk0 and blk1
const float32x4_t sumf_0123 =
vcvtq_f32_s32(vaddq_s32(vmulq_s32(vmovl_s16(sc_0123_lo), acc_lo[row]),
vmulq_s32(vmovl_s16(sc_0123_hi), acc_hi[row])));
acc_f32[2 * row] = vfmaq_f32(acc_f32[2 * row], sbd_scale_0123[row], sumf_0123);
// row c4567 blk0 and blk1
const float32x4_t sumf_4567 =
vcvtq_f32_s32(vaddq_s32(vmulq_s32(vmovl_s16(sc_4567_lo), acc_lo[row + 4]),
vmulq_s32(vmovl_s16(sc_4567_hi), acc_hi[row + 4])));
acc_f32[2 * row + 1] = vfmaq_f32(acc_f32[2 * row + 1], sbd_scale_4567[row], sumf_4567);
// Bias
const int16x4_t bsums_vec_lo = vdup_n_s16(bsums_arr[sb][row * 2]);
const int16x4_t bsums_vec_hi = vdup_n_s16(bsums_arr[sb][row * 2 + 1]);
// row c0123 blk0 and blk1
bias_acc[2 * row] = vmlal_s16(bias_acc[2 * row], bsums_vec_lo, vget_low_s16(q5sb_mins[0]));
bias_acc[2 * row] = vmlal_s16(bias_acc[2 * row], bsums_vec_hi, vget_low_s16(q5sb_mins[1]));
// row c4567 blk0 and blk1
bias_acc[2 * row + 1] =
vmlal_s16(bias_acc[2 * row + 1], bsums_vec_lo, vget_high_s16(q5sb_mins[0]));
bias_acc[2 * row + 1] =
vmlal_s16(bias_acc[2 * row + 1], bsums_vec_hi, vget_high_s16(q5sb_mins[1]));
}
} // for sb
for (int row = 0; row < q8_k_blocklen; row++) {
acc_f32[2 * row] = vmlsq_f32(acc_f32[2 * row], vcvtq_f32_s32(bias_acc[2 * row]), sbd_min_0123[row]);
acc_f32[2 * row + 1] =
vmlsq_f32(acc_f32[2 * row + 1], vcvtq_f32_s32(bias_acc[2 * row + 1]), sbd_min_4567[row]);
}
} // for b
for (int i = 0; i < q8_k_blocklen; i++) {
int row = y * q8_k_blocklen + i;
for (int j = 0; j < 2; j++) {
int col = x * ncols_interleaved + j * 4;
int offset = row * bs + col;
vst1q_f32(s + offset, acc_f32[2 * i + j]);
}
}
} // for x
} // for y
return;
#endif // defined(__aarch64__) && defined(__ARM_NEON) && defined(__ARM_FEATURE_DOTPROD)
ggml_gemm_q5_K_8x4_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemm_q4_K_8x8_q8_K(int n,
float * GGML_RESTRICT s,
size_t bs,