Merge branch 'upstream' into concedo_experimental

# Conflicts:
#	CMakeLists.txt
#	README.md
#	docs/speculative.md
#	ggml/src/ggml-cann/aclnn_ops.cpp
#	ggml/src/ggml-cann/ggml-cann.cpp
#	tests/CMakeLists.txt
#	tests/test-backend-ops.cpp
#	tools/mtmd/clip.cpp
This commit is contained in:
Concedo
2026-02-12 18:05:20 +08:00
24 changed files with 945 additions and 313 deletions
+3 -2
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@@ -472,9 +472,10 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
int best_score = 0;
fs::path best_path;
std::error_code ec;
for (const auto & search_path : search_paths) {
if (std::error_code ec; !fs::exists(search_path, ec)) {
if (!fs::exists(search_path, ec)) {
if (ec) {
GGML_LOG_DEBUG("%s: posix_stat(%s) failure, error-message: %s\n", __func__, path_str(search_path).c_str(), ec.message().c_str());
} else {
@@ -484,7 +485,7 @@ static ggml_backend_reg_t ggml_backend_load_best(const char * name, bool silent,
}
fs::directory_iterator dir_it(search_path, fs::directory_options::skip_permission_denied);
for (const auto & entry : dir_it) {
if (entry.is_regular_file()) {
if (entry.is_regular_file(ec)) {
auto filename = entry.path().filename();
auto ext = entry.path().extension();
if (filename.native().find(file_prefix) == 0 && ext == file_extension) {
+15 -1
View File
@@ -43,6 +43,7 @@
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -54,7 +55,8 @@
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
# define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
#define ggml_gemm_q8_0_4x8_q8_0_generic ggml_gemm_q8_0_4x8_q8_0
@@ -72,6 +74,7 @@
#define ggml_gemv_q4_0_4x8_q8_0_generic ggml_gemv_q4_0_4x8_q8_0
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -80,6 +83,7 @@
#define ggml_gemm_q4_0_4x8_q8_0_generic ggml_gemm_q4_0_4x8_q8_0
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
@@ -103,6 +107,7 @@
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -114,6 +119,7 @@
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
@@ -137,6 +143,7 @@
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -148,6 +155,7 @@
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
@@ -178,6 +186,7 @@
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -188,6 +197,7 @@
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
@@ -217,6 +227,7 @@
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -228,6 +239,7 @@
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
@@ -259,6 +271,7 @@
#define ggml_gemv_q4_K_8x4_q8_K_generic ggml_gemv_q4_K_8x4_q8_K
#define ggml_gemv_q4_K_8x8_q8_K_generic ggml_gemv_q4_K_8x8_q8_K
#define ggml_gemv_q5_K_8x8_q8_K_generic ggml_gemv_q5_K_8x8_q8_K
#define ggml_gemv_q6_K_8x4_q8_K_generic ggml_gemv_q6_K_8x4_q8_K
#define ggml_gemv_q6_K_8x8_q8_K_generic ggml_gemv_q6_K_8x8_q8_K
#define ggml_gemv_iq4_nl_4x4_q8_0_generic ggml_gemv_iq4_nl_4x4_q8_0
#define ggml_gemv_q8_0_4x4_q8_0_generic ggml_gemv_q8_0_4x4_q8_0
@@ -270,6 +283,7 @@
#define ggml_gemm_q4_K_8x4_q8_K_generic ggml_gemm_q4_K_8x4_q8_K
#define ggml_gemm_q4_K_8x8_q8_K_generic ggml_gemm_q4_K_8x8_q8_K
#define ggml_gemm_q5_K_8x8_q8_K_generic ggml_gemm_q5_K_8x8_q8_K
#define ggml_gemm_q6_K_8x4_q8_K_generic ggml_gemm_q6_K_8x4_q8_K
#define ggml_gemm_q6_K_8x8_q8_K_generic ggml_gemm_q6_K_8x8_q8_K
#define ggml_gemm_iq4_nl_4x4_q8_0_generic ggml_gemm_iq4_nl_4x4_q8_0
#define ggml_gemm_q8_0_4x4_q8_0_generic ggml_gemm_q8_0_4x4_q8_0
+395 -5
View File
@@ -1072,6 +1072,195 @@ void ggml_gemv_q5_K_8x8_q8_K(int n,
ggml_gemv_q5_K_8x8_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemv_q6_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;
const uint8x16_t m4b = vdupq_n_u8(0x0f);
const uint8x16_t mask_lo = vdupq_n_u8(0x03);
const uint8x16_t mask_hi = vdupq_n_u8(0x30);
// 1x8 tile = 2 x 4
float32x4_t acc_f32[2];
const block_q8_K * GGML_RESTRICT q8_ptr = (const block_q8_K *) vy;
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q6_Kx8 * GGML_RESTRICT q6_ptr = (const block_q6_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 q6_d_0 = vcvt_f32_f16(vld1_f16((const __fp16 *) q6_ptr[b].d)); // d0 d1 d2 d3
float32x4_t q6_d_1 = vcvt_f32_f16(vld1_f16((const __fp16 *) q6_ptr[b].d + 4)); // d4 d5 d6 d7
float32x4_t q8_d = vdupq_n_f32(q8_ptr[b].d);
float32x4_t sb_scale_0 = vmulq_f32(q6_d_0, q8_d);
float32x4_t sb_scale_1 = vmulq_f32(q6_d_1, q8_d);
int32x4_t acc[col_groups];
for (int i = 0; i < col_groups; i++) {
acc[i] = vdupq_n_s32(0);
}
// Load all 16 scales once and widen to int16 (Q6_K has 16 scales per block)
// Reused for bias and dequantization later
int16_t q6_scales[16 * 8];
for (int i = 0; i < 16; i++) {
int16x8_t scales = vmovl_s8(vld1_s8(q6_ptr[b].scales + i * 8));
vst1q_s16(q6_scales + i * 8, scales);
}
// Compute bias per column using q8 bsums and preloaded scales to skip the -32 shift
int32x4_t bias_lo = vdupq_n_s32(0);
int32x4_t bias_hi = vdupq_n_s32(0);
// Load bsums in chunks of 4 to process with vectorized operations
for (int i = 0; i < 16; i += 4) {
int16x4_t bsums_vec = vld1_s16(q8_ptr[b].bsums + i);
int16x4_t scales_lo_0 = vld1_s16(q6_scales + (i + 0) * 8);
int16x4_t scales_hi_0 = vld1_s16(q6_scales + (i + 0) * 8 + 4);
int16x4_t scales_lo_1 = vld1_s16(q6_scales + (i + 1) * 8);
int16x4_t scales_hi_1 = vld1_s16(q6_scales + (i + 1) * 8 + 4);
int16x4_t scales_lo_2 = vld1_s16(q6_scales + (i + 2) * 8);
int16x4_t scales_hi_2 = vld1_s16(q6_scales + (i + 2) * 8 + 4);
int16x4_t scales_lo_3 = vld1_s16(q6_scales + (i + 3) * 8);
int16x4_t scales_hi_3 = vld1_s16(q6_scales + (i + 3) * 8 + 4);
bias_lo = vmlal_lane_s16(bias_lo, scales_lo_0, bsums_vec, 0);
bias_hi = vmlal_lane_s16(bias_hi, scales_hi_0, bsums_vec, 0);
bias_lo = vmlal_lane_s16(bias_lo, scales_lo_1, bsums_vec, 1);
bias_hi = vmlal_lane_s16(bias_hi, scales_hi_1, bsums_vec, 1);
bias_lo = vmlal_lane_s16(bias_lo, scales_lo_2, bsums_vec, 2);
bias_hi = vmlal_lane_s16(bias_hi, scales_hi_2, bsums_vec, 2);
bias_lo = vmlal_lane_s16(bias_lo, scales_lo_3, bsums_vec, 3);
bias_hi = vmlal_lane_s16(bias_hi, scales_hi_3, bsums_vec, 3);
}
bias_lo = vshlq_n_s32(bias_lo, 5);
bias_hi = vshlq_n_s32(bias_hi, 5);
// Process two 128-value halves per superblock
for (int half = 0; half < 2; half++) {
const uint8_t * ql_base = q6_ptr[b].ql + half * 512;
const uint8_t * qh_base = q6_ptr[b].qh + half * 256;
// A subblock (sb) is a set of weights that share the scale
// Since q6_K scales are per 16 elements
// num sbs -> 256 elements / (16 elements/scale * 2 elements/byte * 2 halves)
for (int sb = 0; sb < QK_K / 64; sb++) {
const int8_t * q8_base_l = q8_ptr[b].qs + half * 128 + sb * 16;
const int8_t * q8_base_h = q8_base_l + 64;
// Load and duplicate q8 values (each register covers four interleaved columns of q6)
int8x16_t q8_l[4];
int8x16_t q8_h[4];
for (int i = 0; i < 4; i++) {
q8_l[i] = (int8x16_t) vld1q_dup_s32((const int32_t *) (q8_base_l + i * 4));
q8_h[i] = (int8x16_t) vld1q_dup_s32((const int32_t *) (q8_base_h + i * 4));
}
const int ql_off_base = sb * QK_K / 2;
const int qh_off_base = ql_off_base & 255; // wraps after 256 bytes
// Load 4 vectors at once (64 bytes each for ql_0, ql_1, qh_0, qh_1)
uint8x16x4_t q6_ql_0 = vld1q_u8_x4(ql_base + ql_off_base);
uint8x16x4_t q6_ql_1 = vld1q_u8_x4(ql_base + ql_off_base + 64);
uint8x16x4_t q6_qh_0 = vld1q_u8_x4(qh_base + qh_off_base);
uint8x16x4_t q6_qh_1 = vld1q_u8_x4(qh_base + qh_off_base + 64);
// Adjust qh for subblocks 2 and 3 (shift right by 2)
if (sb > 1) {
q6_qh_0.val[0] = vshrq_n_u8(q6_qh_0.val[0], 2);
q6_qh_0.val[1] = vshrq_n_u8(q6_qh_0.val[1], 2);
q6_qh_0.val[2] = vshrq_n_u8(q6_qh_0.val[2], 2);
q6_qh_0.val[3] = vshrq_n_u8(q6_qh_0.val[3], 2);
q6_qh_1.val[0] = vshrq_n_u8(q6_qh_1.val[0], 2);
q6_qh_1.val[1] = vshrq_n_u8(q6_qh_1.val[1], 2);
q6_qh_1.val[2] = vshrq_n_u8(q6_qh_1.val[2], 2);
q6_qh_1.val[3] = vshrq_n_u8(q6_qh_1.val[3], 2);
}
const uint8x16_t q6_ql[8] = { q6_ql_0.val[0], q6_ql_0.val[1], q6_ql_0.val[2], q6_ql_0.val[3],
q6_ql_1.val[0], q6_ql_1.val[1], q6_ql_1.val[2], q6_ql_1.val[3] };
const uint8x16_t q6_qh[8] = { q6_qh_0.val[0], q6_qh_0.val[1], q6_qh_0.val[2], q6_qh_0.val[3],
q6_qh_1.val[0], q6_qh_1.val[1], q6_qh_1.val[2], q6_qh_1.val[3] };
// Process column groups (0-3, 4-7)
for (int g = 0; g < col_groups; g++) {
int32x4_t sb_acc_l = vdupq_n_s32(0);
int32x4_t sb_acc_h = vdupq_n_s32(0);
for (int chunk = 0; chunk < 4; chunk++) {
const int idx = chunk * 2 + g;
const uint8x16_t q6_qs_l = q6_ql[idx];
const uint8x16_t q6_qs_h = q6_qh[idx];
// Extract high 2 bits for upper nibble reconstruction
const uint8x16_t q6_qs_hh = vandq_u8(q6_qs_h, mask_hi);
// q6 = (low4 | high2<<4), without -32 bias (handled via bsums)
const int8x16_t q6_l =
vreinterpretq_s8_u8(vsliq_n_u8(vandq_u8(q6_qs_l, m4b), vandq_u8(q6_qs_h, mask_lo), 4));
const int8x16_t q6_h = vreinterpretq_s8_u8(vorrq_u8(vshrq_n_u8(q6_qs_l, 4), q6_qs_hh));
sb_acc_l = vdotq_s32(sb_acc_l, q6_l, q8_l[chunk]);
sb_acc_h = vdotq_s32(sb_acc_h, q6_h, q8_h[chunk]);
}
const int scale_idx_l = half * 8 + sb;
const int scale_idx_h = half * 8 + sb + 4;
const int32x4_t scale_vec_l = vmovl_s16(vld1_s16(q6_scales + scale_idx_l * 8 + g * 4));
const int32x4_t scale_vec_h = vmovl_s16(vld1_s16(q6_scales + scale_idx_h * 8 + g * 4));
acc[g] = vmlaq_s32(acc[g], sb_acc_l, scale_vec_l);
acc[g] = vmlaq_s32(acc[g], sb_acc_h, scale_vec_h);
}
}
} // for half
// Bias correction
acc[0] = vsubq_s32(acc[0], bias_lo);
acc[1] = vsubq_s32(acc[1], bias_hi);
// Apply superblock scale (no mins for q6_K)
// acc[g] has [c0, c1, c2, c3]
float32x4_t w_0123 = vmulq_f32(vcvtq_f32_s32(acc[0]), sb_scale_0);
float32x4_t w_4567 = vmulq_f32(vcvtq_f32_s32(acc[1]), sb_scale_1);
acc_f32[0] = vaddq_f32(acc_f32[0], w_0123);
acc_f32[1] = vaddq_f32(acc_f32[1], w_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_q6_K_8x4_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemv_q6_K_8x8_q8_K(int n,
float * GGML_RESTRICT s,
size_t bs,
@@ -1177,15 +1366,14 @@ void ggml_gemv_q6_K_8x8_q8_K(int n,
q8_h[i] = (int8x16_t) vld1q_dup_s64((const int64_t *) (q8_base_h + i * 8));
}
// TODO: Test other qh repack patterns to reduce loads
const int ql_off_base = sb * QK_K / 2;
const int qh_off_base = ql_off_base & 255; // wraps after 256 bytes
// Load 4 vectors at once (64 bytes each for ql_0, ql_1, qh_0, qh_1)
ggml_uint8x16x4_t q6_ql_0 = ggml_vld1q_u8_x4(ql_base + ql_off_base);
ggml_uint8x16x4_t q6_ql_1 = ggml_vld1q_u8_x4(ql_base + ql_off_base + 64);
ggml_uint8x16x4_t q6_qh_0 = ggml_vld1q_u8_x4(qh_base + qh_off_base);
ggml_uint8x16x4_t q6_qh_1 = ggml_vld1q_u8_x4(qh_base + qh_off_base + 64);
uint8x16x4_t q6_ql_0 = vld1q_u8_x4(ql_base + ql_off_base);
uint8x16x4_t q6_ql_1 = vld1q_u8_x4(ql_base + ql_off_base + 64);
uint8x16x4_t q6_qh_0 = vld1q_u8_x4(qh_base + qh_off_base);
uint8x16x4_t q6_qh_1 = vld1q_u8_x4(qh_base + qh_off_base + 64);
// Adjust qh for subblocks 2 and 3 (shift right by 2)
if (sb > 1) {
@@ -3474,6 +3662,208 @@ void ggml_gemm_q5_K_8x8_q8_K(int n,
ggml_gemm_q5_K_8x8_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemm_q6_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 col_groups = ncols_interleaved / 4;
constexpr int acc_size = q8_k_blocklen * col_groups; // 4 rows, 2 column groups
const uint8x16_t m4b = vdupq_n_u8(0x0f);
const uint8x16_t mask_lo = vdupq_n_u8(0x03);
const uint8x16_t mask_hi = vdupq_n_u8(0x30);
const int8x16_t m32s = vdupq_n_s8(32);
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_q6_Kx8 * GGML_RESTRICT q6_ptr = (const block_q6_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++) {
float32x4_t q6_d_0123 = vcvt_f32_f16(vld1_f16((const __fp16 *) q6_ptr[b].d));
float32x4_t q6_d_4567 = vcvt_f32_f16(vld1_f16((const __fp16 *) q6_ptr[b].d + 4));
float32x4_t q8_d_0123 = vld1q_f32(q8_ptr[b].d);
float32x4_t sbd_scale_0123[q8_k_blocklen];
float32x4_t sbd_scale_4567[q8_k_blocklen];
sbd_scale_0123[0] = vmulq_laneq_f32(q6_d_0123, q8_d_0123, 0);
sbd_scale_4567[0] = vmulq_laneq_f32(q6_d_4567, q8_d_0123, 0);
sbd_scale_0123[1] = vmulq_laneq_f32(q6_d_0123, q8_d_0123, 1);
sbd_scale_4567[1] = vmulq_laneq_f32(q6_d_4567, q8_d_0123, 1);
sbd_scale_0123[2] = vmulq_laneq_f32(q6_d_0123, q8_d_0123, 2);
sbd_scale_4567[2] = vmulq_laneq_f32(q6_d_4567, q8_d_0123, 2);
sbd_scale_0123[3] = vmulq_laneq_f32(q6_d_0123, q8_d_0123, 3);
sbd_scale_4567[3] = vmulq_laneq_f32(q6_d_4567, q8_d_0123, 3);
int32x4_t acc_s32[acc_size];
for (int i = 0; i < acc_size; i++) {
acc_s32[i] = vdupq_n_s32(0);
}
int16_t q6_scales[8 * 16];
for (int i = 0; i < 16; i++) {
int16x8_t scales = vmovl_s8(vld1_s8(q6_ptr[b].scales + i * 8));
vst1q_s16(q6_scales + i * 8, scales);
}
for (int half = 0; half < 2; half++) {
const uint8_t * ql_base = q6_ptr[b].ql + half * 512;
const uint8_t * qh_base = q6_ptr[b].qh + half * 256;
for (int sb = 0; sb < QK_K / 64; sb++) {
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);
}
const int8_t * q8_base_l = q8_ptr[b].qs + half * 512 + sb * 64;
const int8_t * q8_base_h = q8_ptr[b].qs + half * 512 + 256 + sb * 64;
// 4 rows * 16 elements per scale
// 4 reads of 16 bytes each
constexpr int reads_per_sb = 4;
int8x16_t q8_l[reads_per_sb];
int8x16_t q8_h[reads_per_sb];
for (int k = 0; k < reads_per_sb; k++) {
q8_l[k] = vld1q_s8(q8_base_l + 16 * k);
q8_h[k] = vld1q_s8(q8_base_h + 16 * k);
}
const int ql_off_base = sb * QK_K / 2;
const int qh_off_base = ql_off_base & 255;
uint8x16_t q6_ql_0123[reads_per_sb];
uint8x16_t q6_ql_4567[reads_per_sb];
uint8x16_t q6_qh_0123[reads_per_sb];
uint8x16_t q6_qh_4567[reads_per_sb];
for (int k = 0; k < reads_per_sb; k++) {
q6_ql_0123[k] = vld1q_u8(ql_base + ql_off_base + k * 32);
q6_ql_4567[k] = vld1q_u8(ql_base + ql_off_base + k * 32 + 16);
q6_qh_0123[k] = vld1q_u8(qh_base + qh_off_base + k * 32);
q6_qh_4567[k] = vld1q_u8(qh_base + qh_off_base + k * 32 + 16);
}
if (sb > 1) {
for (int k = 0; k < reads_per_sb; k++) {
q6_qh_0123[k] = vshrq_n_u8(q6_qh_0123[k], 2);
q6_qh_4567[k] = vshrq_n_u8(q6_qh_4567[k], 2);
}
}
for (int k = 0; k < reads_per_sb; k++) {
// q = (ql | qh) - 32
const uint8x16_t hbit_lo_0123 = vandq_u8(q6_qh_0123[k], mask_lo);
const uint8x16_t hbit_hi_0123 = vandq_u8(q6_qh_0123[k], mask_hi);
const uint8x16_t hbit_lo_4567 = vandq_u8(q6_qh_4567[k], mask_lo);
const uint8x16_t hbit_hi_4567 = vandq_u8(q6_qh_4567[k], mask_hi);
const int8x16_t q6_0123_lo = vsubq_s8(
vreinterpretq_s8_u8(vsliq_n_u8(vandq_u8(q6_ql_0123[k], m4b), hbit_lo_0123, 4)), m32s);
const int8x16_t q6_0123_hi = vsubq_s8(
vreinterpretq_s8_u8(vorrq_u8(vshrq_n_u8(q6_ql_0123[k], 4), hbit_hi_0123)), m32s);
acc_lo[0] = vdotq_laneq_s32(acc_lo[0], q6_0123_lo, q8_l[k], 0); // 0..3 r0 c0123
acc_lo[1] = vdotq_laneq_s32(acc_lo[1], q6_0123_lo, q8_l[k], 1); // 0..3 r1 c0123
acc_lo[2] = vdotq_laneq_s32(acc_lo[2], q6_0123_lo, q8_l[k], 2); // 0..3 r2 c0123
acc_lo[3] = vdotq_laneq_s32(acc_lo[3], q6_0123_lo, q8_l[k], 3); // 0..3 r3 c0123
acc_hi[0] = vdotq_laneq_s32(acc_hi[0], q6_0123_hi, q8_h[k], 0); // 64..67 r0 c0123
acc_hi[1] = vdotq_laneq_s32(acc_hi[1], q6_0123_hi, q8_h[k], 1); // 64..67 r1 c0123
acc_hi[2] = vdotq_laneq_s32(acc_hi[2], q6_0123_hi, q8_h[k], 2); // 64..67 r2 c0123
acc_hi[3] = vdotq_laneq_s32(acc_hi[3], q6_0123_hi, q8_h[k], 3); // 64..67 r3 c0123
const int8x16_t q6_4567_lo = vsubq_s8(
vreinterpretq_s8_u8(vsliq_n_u8(vandq_u8(q6_ql_4567[k], m4b), hbit_lo_4567, 4)), m32s);
const int8x16_t q6_4567_hi = vsubq_s8(
vreinterpretq_s8_u8(vorrq_u8(vshrq_n_u8(q6_ql_4567[k], 4), hbit_hi_4567)), m32s);
acc_lo[4] = vdotq_laneq_s32(acc_lo[4], q6_4567_lo, q8_l[k], 0); // 0..3 r0 c4567
acc_lo[5] = vdotq_laneq_s32(acc_lo[5], q6_4567_lo, q8_l[k], 1); // 0..3 r1 c4567
acc_lo[6] = vdotq_laneq_s32(acc_lo[6], q6_4567_lo, q8_l[k], 2); // 0..3 r2 c4567
acc_lo[7] = vdotq_laneq_s32(acc_lo[7], q6_4567_lo, q8_l[k], 3); // 0..3 r3 c4567
acc_hi[4] = vdotq_laneq_s32(acc_hi[4], q6_4567_hi, q8_h[k], 0); // 64..67 r0 c4567
acc_hi[5] = vdotq_laneq_s32(acc_hi[5], q6_4567_hi, q8_h[k], 1); // 64..67 r1 c4567
acc_hi[6] = vdotq_laneq_s32(acc_hi[6], q6_4567_hi, q8_h[k], 2); // 64..67 r2 c4567
acc_hi[7] = vdotq_laneq_s32(acc_hi[7], q6_4567_hi, q8_h[k], 3); // 64..67 r3 c4567
}
// Scale and bias
const int scale_idx_l = half * 8 + sb;
const int scale_idx_h = half * 8 + sb + 4;
for (int g = 0; g < col_groups; g++) {
const int16x4_t scales_l16 = vld1_s16(q6_scales + scale_idx_l * 8 + g * 4);
const int16x4_t scales_h16 = vld1_s16(q6_scales + scale_idx_h * 8 + g * 4);
const int32x4_t scale_vec_l = vmovl_s16(scales_l16);
const int32x4_t scale_vec_h = vmovl_s16(scales_h16);
const int acc_offset = g * q8_k_blocklen;
for (int row = 0; row < q8_k_blocklen; row++) {
const int idx = row * 2 + g;
acc_s32[idx] = vmlaq_s32(acc_s32[idx], acc_lo[acc_offset + row], scale_vec_l);
acc_s32[idx] = vmlaq_s32(acc_s32[idx], acc_hi[acc_offset + row], scale_vec_h);
}
}
}
}
// Finally we apply the superblock scales
for (int row = 0; row < q8_k_blocklen; row++) {
const int idx0 = 2 * row;
const int idx1 = 2 * row + 1;
const int32x4_t acc_0123 = acc_s32[idx0];
const int32x4_t acc_4567 = acc_s32[idx1];
acc_f32[idx0] = vmlaq_f32(acc_f32[idx0], vcvtq_f32_s32(acc_0123), sbd_scale_0123[row]);
acc_f32[idx1] = vmlaq_f32(acc_f32[idx1], vcvtq_f32_s32(acc_4567), sbd_scale_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_q6_K_8x4_q8_K_generic(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemm_q6_K_8x8_q8_K(int n,
float * GGML_RESTRICT s,
size_t bs,
+1 -2
View File
@@ -7629,8 +7629,7 @@ static void ggml_compute_forward_pad_f32(
const ggml_tensor * src0 = dst->src[0];
GGML_ASSERT(src0->nb[0] == sizeof(float));
GGML_ASSERT( dst->nb[0] == sizeof(float));
assert(dst->nb[0] == sizeof(float));
const int ith = params->ith;
const int nth = params->nth;
+229 -196
View File
@@ -256,6 +256,200 @@ template <> void ggml_quantize_mat_t<8, GGML_TYPE_Q8_K>(const float * GGML_RESTR
ggml_quantize_mat_q8_K_4x8(x, vy, n_per_row);
}
template <int M, int N>
static void ggml_gemv_q6_K_NxM_q8_K_generic_impl(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 blocklen = M;
constexpr int ncols_interleaved = N;
const int qk = QK_K;
const int nb = n / qk;
const int blocks_per_half = 64 / blocklen;
assert(n % qk == 0);
assert(nc % ncols_interleaved == 0);
UNUSED(bs);
UNUSED(nr);
float sumf[8];
const block_q8_K * a_ptr = (const block_q8_K *) vy;
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q6_Kx8 * b_ptr = (const block_q6_Kx8 *) vx + (x * nb);
for (int j = 0; j < ncols_interleaved; j++) {
sumf[j] = 0.0f;
}
for (int l = 0; l < nb; l++) {
for (int k = 0; k < (qk / (2 * blocklen)); k++) {
const int base_l = (k / blocks_per_half) * 128 + (k % blocks_per_half) * blocklen;
const int base_h = base_l + 64;
const int scale_idx_l = base_l / 16;
const int scale_idx_h = base_h / 16;
const int qh_shift_l = ((base_l % 128) / 32) * 2;
const int qh_shift_h = ((base_h % 128) / 32) * 2;
const int qh_half_l = (base_l / 128) * 32;
const int qh_half_h = (base_h / 128) * 32;
for (int j = 0; j < ncols_interleaved; j++) {
const int8_t scale_l = b_ptr[l].scales[scale_idx_l * ncols_interleaved + j];
const int8_t scale_h = b_ptr[l].scales[scale_idx_h * ncols_interleaved + j];
int sumi_l = 0;
int sumi_h = 0;
for (int i = 0; i < blocklen; i++) {
const int ql_pos = k * ncols_interleaved * blocklen + j * blocklen + i;
const int l_4 = b_ptr[l].ql[ql_pos] & 0xF;
const int hi_4 = (b_ptr[l].ql[ql_pos] >> 4) & 0xF;
const int qh_idx_l = qh_half_l + ((base_l + i) % 32);
const int qh_chunk_l = qh_idx_l / blocklen;
const int qh_pos_l = qh_idx_l % blocklen;
const int qh_offset_l = qh_chunk_l * (blocklen * ncols_interleaved) + j * blocklen + qh_pos_l;
const int hi_2_l = (b_ptr[l].qh[qh_offset_l] >> qh_shift_l) & 0x3;
const int qh_idx_h = qh_half_h + ((base_h + i) % 32);
const int qh_chunk_h = qh_idx_h / blocklen;
const int qh_pos_h = qh_idx_h % blocklen;
const int qh_offset_h = qh_chunk_h * (blocklen * ncols_interleaved) + j * blocklen + qh_pos_h;
const int hi_2_h = (b_ptr[l].qh[qh_offset_h] >> qh_shift_h) & 0x3;
const int q_l = ((hi_2_l << 4) | l_4) - 32;
const int q_h = ((hi_2_h << 4) | hi_4) - 32;
const int8_t a_l = a_ptr[l].qs[base_l + i];
const int8_t a_h = a_ptr[l].qs[base_h + i];
sumi_l += q_l * a_l;
sumi_h += q_h * a_h;
}
sumf[j] +=
(sumi_l * scale_l + sumi_h * scale_h) * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * a_ptr[l].d;
}
}
}
for (int j = 0; j < ncols_interleaved; j++) {
s[x * ncols_interleaved + j] = sumf[j];
}
}
}
template <int M, int N>
static void ggml_gemm_q6_K_NxM_q8_K_generic_impl(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 blocklen = M;
constexpr int ncols_interleaved = N;
const int qk = QK_K;
const int nb = n / qk;
const int blocks_per_half = 64 / blocklen;
const int q8_half_stride = 512;
const int q8_low_high_step = 256;
assert(n % qk == 0);
assert(nr % 4 == 0);
assert(nc % ncols_interleaved == 0);
UNUSED(bs);
float sumf[4][8];
for (int y = 0; y < nr / 4; y++) {
const block_q8_Kx4 * a_ptr = (const block_q8_Kx4 *) vy + (y * nb);
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q6_Kx8 * b_ptr = (const block_q6_Kx8 *) vx + (x * nb);
for (int m = 0; m < 4; m++) {
for (int j = 0; j < ncols_interleaved; j++) {
sumf[m][j] = 0.0f;
}
}
for (int l = 0; l < nb; l++) {
for (int k = 0; k < (qk / (2 * blocklen)); k++) {
const int base_l = (k / blocks_per_half) * 128 + (k % blocks_per_half) * blocklen;
const int base_h = base_l + 64;
const int scale_idx_l = base_l / 16;
const int scale_idx_h = base_h / 16;
const int qh_shift_l = ((base_l % 128) / 32) * 2;
const int qh_shift_h = ((base_h % 128) / 32) * 2;
const int qh_half_l = (base_l / 128) * 32;
const int qh_half_h = (base_h / 128) * 32;
const int q8_base = (k / blocks_per_half) * q8_half_stride + (k % blocks_per_half) * (blocklen * 4);
for (int m = 0; m < 4; m++) {
for (int j = 0; j < ncols_interleaved; j++) {
const int8_t scale_l = b_ptr[l].scales[scale_idx_l * ncols_interleaved + j];
const int8_t scale_h = b_ptr[l].scales[scale_idx_h * ncols_interleaved + j];
int sumi_l = 0;
int sumi_h = 0;
for (int i = 0; i < blocklen; i++) {
const int ql_pos = k * ncols_interleaved * blocklen + j * blocklen + i;
const int l_4 = b_ptr[l].ql[ql_pos] & 0xF;
const int hi_4 = (b_ptr[l].ql[ql_pos] >> 4) & 0xF;
const int qh_idx_l = qh_half_l + ((base_l + i) % 32);
const int qh_chunk_l = qh_idx_l / blocklen;
const int qh_pos_l = qh_idx_l % blocklen;
const int qh_offset_l =
qh_chunk_l * (blocklen * ncols_interleaved) + j * blocklen + qh_pos_l;
const int hi_2_l = (b_ptr[l].qh[qh_offset_l] >> qh_shift_l) & 0x3;
const int qh_idx_h = qh_half_h + ((base_h + i) % 32);
const int qh_chunk_h = qh_idx_h / blocklen;
const int qh_pos_h = qh_idx_h % blocklen;
const int qh_offset_h =
qh_chunk_h * (blocklen * ncols_interleaved) + j * blocklen + qh_pos_h;
const int hi_2_h = (b_ptr[l].qh[qh_offset_h] >> qh_shift_h) & 0x3;
const int q_l = ((hi_2_l << 4) | l_4) - 32;
const int q_h = ((hi_2_h << 4) | hi_4) - 32;
const int8_t q8_l = a_ptr[l].qs[q8_base + m * blocklen + i];
const int8_t q8_h = a_ptr[l].qs[q8_base + m * blocklen + i + q8_low_high_step];
sumi_l += q_l * q8_l;
sumi_h += q_h * q8_h;
}
sumf[m][j] += (sumi_l * scale_l + sumi_h * scale_h) * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) *
a_ptr[l].d[m];
}
}
}
}
for (int m = 0; m < 4; m++) {
for (int j = 0; j < ncols_interleaved; j++) {
s[(y * 4 + m) * bs + x * ncols_interleaved + j] = sumf[m][j];
}
}
}
}
}
extern "C" {
void ggml_gemv_q4_0_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
@@ -705,94 +899,12 @@ void ggml_gemv_q5_K_8x8_q8_K_generic(int n,
}
void ggml_gemv_q6_K_8x4_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
ggml_gemv_q6_K_NxM_q8_K_generic_impl<4, 8>(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemv_q6_K_8x8_q8_K_generic(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;
const int ncols_interleaved = 8;
const int blocklen = 8;
assert(n % qk == 0);
assert(nc % ncols_interleaved == 0);
UNUSED(bs);
UNUSED(nr);
float sumf[8];
const block_q8_K * a_ptr = (const block_q8_K *) vy;
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q6_Kx8 * b_ptr = (const block_q6_Kx8 *) vx + (x * nb);
for (int j = 0; j < ncols_interleaved; j++) {
sumf[j] = 0.0f;
}
for (int l = 0; l < nb; l++) {
for (int k = 0; k < 16; k++) {
// k = 0.. 7 weights 0-63 low, 64-127 high
// k = 8..15 weights 128-191 low, 192-255 high
const int base_l = (k / 8) * 128 + (k % 8) * 8;
const int base_h = base_l + 64;
const int scale_idx_l = base_l / 16;
const int scale_idx_h = base_h / 16;
// Bit shift cycles 0,2,4,6 for each 32-value group within a 128-value half
const int qh_shift_l = ((base_l % 128) / 32) * 2;
const int qh_shift_h = ((base_h % 128) / 32) * 2;
// qh_half: offset to the correct 32-byte half (0 or 32)
const int qh_half_l = (base_l / 128) * 32;
const int qh_half_h = (base_h / 128) * 32;
for (int j = 0; j < ncols_interleaved; j++) {
// Interleaved scales
const int8_t scale_l = b_ptr[l].scales[scale_idx_l * 8 + j];
const int8_t scale_h = b_ptr[l].scales[scale_idx_h * 8 + j];
int sumi_l = 0;
int sumi_h = 0;
for (int i = 0; i < blocklen; i++) {
const int ql_pos = k * 64 + j * 8 + i;
const int l_4 = b_ptr[l].ql[ql_pos] & 0xF;
const int hi_4 = (b_ptr[l].ql[ql_pos] >> 4) & 0xF;
// qh indexing with 8-byte interleaving (like q5_K)
const int qh_byte_l = qh_half_l + ((base_l + i) % 32);
const int qh_chunk_l = qh_byte_l / 8;
const int qh_pos_l = qh_byte_l % 8;
const int qh_offset_l = qh_chunk_l * 64 + j * 8 + qh_pos_l;
const int hi_2_l = (b_ptr[l].qh[qh_offset_l] >> qh_shift_l) & 0x3;
const int qh_byte_h = qh_half_h + ((base_h + i) % 32);
const int qh_chunk_h = qh_byte_h / 8;
const int qh_pos_h = qh_byte_h % 8;
const int qh_offset_h = qh_chunk_h * 64 + j * 8 + qh_pos_h;
const int hi_2_h = (b_ptr[l].qh[qh_offset_h] >> qh_shift_h) & 0x3;
const int q_l = ((hi_2_l << 4) | l_4) - 32;
const int q_h = ((hi_2_h << 4) | hi_4) - 32;
const int8_t a_l = a_ptr[l].qs[base_l + i];
const int8_t a_h = a_ptr[l].qs[base_h + i];
sumi_l += q_l * a_l;
sumi_h += q_h * a_h;
}
sumf[j] +=
(sumi_l * scale_l + sumi_h * scale_h) * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) * a_ptr[l].d;
}
}
}
for (int j = 0; j < ncols_interleaved; j++) {
s[x * ncols_interleaved + j] = sumf[j];
}
}
ggml_gemv_q6_K_NxM_q8_K_generic_impl<8, 8>(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemv_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
@@ -1456,109 +1568,12 @@ void ggml_gemm_q5_K_8x8_q8_K_generic(int n,
}
}
void ggml_gemm_q6_K_8x8_q8_K_generic(int n,
float * GGML_RESTRICT s,
size_t bs,
const void * GGML_RESTRICT vx,
const void * GGML_RESTRICT vy,
int nr,
int nc) {
const int qk = QK_K;
const int nb = n / qk;
const int ncols_interleaved = 8;
const int blocklen = 8;
void ggml_gemm_q6_K_8x4_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
ggml_gemm_q6_K_NxM_q8_K_generic_impl<4, 8>(n, s, bs, vx, vy, nr, nc);
}
assert(n % qk == 0);
assert(nr % 4 == 0);
assert(nc % ncols_interleaved == 0);
UNUSED(bs);
float sumf[4][8];
for (int y = 0; y < nr / 4; y++) {
const block_q8_Kx4 * a_ptr = (const block_q8_Kx4 *) vy + (y * nb);
for (int x = 0; x < nc / ncols_interleaved; x++) {
const block_q6_Kx8 * b_ptr = (const block_q6_Kx8 *) vx + (x * nb);
for (int m = 0; m < 4; m++) {
for (int j = 0; j < ncols_interleaved; j++) {
sumf[m][j] = 0.0f;
}
}
for (int l = 0; l < nb; l++) {
for (int k = 0; k < 16; k++) {
// k = 0.. 7 weights 0-63 low, 64-127 high
// k = 8..15 weights 128-191 low, 192-255 high
const int base_l = (k / 8) * 128 + (k % 8) * 8;
const int base_h = base_l + 64;
const int scale_idx_l = base_l / 16;
const int scale_idx_h = base_h / 16;
// Bit shift cycles 0,2,4,6 for each 32-value group within a 128-value half
const int qh_shift_l = ((base_l % 128) / 32) * 2;
const int qh_shift_h = ((base_h % 128) / 32) * 2;
// qh_half: offset to the correct 32-byte half (0 or 32)
const int qh_half_l = (base_l / 128) * 32;
const int qh_half_h = (base_h / 128) * 32;
// Activation base indices for q8_Kx4 interleaved format
// Layout: 128-value halves (k/8), then 8-value sub-blocks (k%8) with stride 32
const int q8_base = (k / 8) * 512 + (k % 8) * 32;
for (int m = 0; m < 4; m++) {
for (int j = 0; j < ncols_interleaved; j++) {
// Interleaved scales
const int8_t scale_l = b_ptr[l].scales[scale_idx_l * 8 + j];
const int8_t scale_h = b_ptr[l].scales[scale_idx_h * 8 + j];
int sumi_l = 0;
int sumi_h = 0;
for (int i = 0; i < blocklen; i++) {
const int ql_pos = k * 64 + j * 8 + i;
const int l_4 = b_ptr[l].ql[ql_pos] & 0xF;
const int hi_4 = (b_ptr[l].ql[ql_pos] >> 4) & 0xF;
const int qh_idx_l = qh_half_l + ((base_l + i) % 32);
const int qh_chunk_l = qh_idx_l / 8;
const int qh_pos_l = qh_idx_l % 8;
const int qh_offset_l = qh_chunk_l * 64 + j * 8 + qh_pos_l;
const int hi_2_l = (b_ptr[l].qh[qh_offset_l] >> qh_shift_l) & 0x3;
const int qh_idx_h = qh_half_h + ((base_h + i) % 32);
const int qh_chunk_h = qh_idx_h / 8;
const int qh_pos_h = qh_idx_h % 8;
const int qh_offset_h = qh_chunk_h * 64 + j * 8 + qh_pos_h;
const int hi_2_h = (b_ptr[l].qh[qh_offset_h] >> qh_shift_h) & 0x3;
const int q_l = ((hi_2_l << 4) | l_4) - 32;
const int q_h = ((hi_2_h << 4) | hi_4) - 32;
const int8_t q8_l = a_ptr[l].qs[q8_base + m * 8 + i];
const int8_t q8_h = a_ptr[l].qs[q8_base + m * 8 + i + 256];
sumi_l += q_l * q8_l;
sumi_h += q_h * q8_h;
}
sumf[m][j] += (sumi_l * scale_l + sumi_h * scale_h) * GGML_CPU_FP16_TO_FP32(b_ptr[l].d[j]) *
a_ptr[l].d[m];
}
}
}
}
for (int m = 0; m < 4; m++) {
for (int j = 0; j < ncols_interleaved; j++) {
s[(y * 4 + m) * bs + x * ncols_interleaved + j] = sumf[m][j];
}
}
}
}
void ggml_gemm_q6_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
ggml_gemm_q6_K_NxM_q8_K_generic_impl<8, 8>(n, s, bs, vx, vy, nr, nc);
}
void ggml_gemm_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc) {
@@ -2028,18 +2043,18 @@ static block_q6_Kx8 make_block_q6_Kx8(block_q6_K * in, unsigned int blck_size_in
}
const int end_ls = QK_K * 4 / blck_size_interleave;
// Interleave Q6_K quants by taking 8 bytes at a time
// Interleave Q6_K quants by taking blck_size_interleave bytes at a time
for (int i = 0; i < end_ls; ++i) {
int src_id = i % n_blocks;
int src_offset = (i / n_blocks) * blck_size_interleave;
int dst_offset = i * blck_size_interleave;
uint64_t elem_ls;
memcpy(&elem_ls, &in[src_id].ql[src_offset], sizeof(uint64_t));
memcpy(&out.ql[dst_offset], &elem_ls, sizeof(uint64_t));
memcpy(&elem_ls, &in[src_id].ql[src_offset], blck_size_interleave);
memcpy(&out.ql[dst_offset], &elem_ls, blck_size_interleave);
}
// Interleave high bits using same 8-byte pattern as low bits
// Interleave high bits using same chunk size as low bits
const int end_hs = end_ls / 2;
for (int i = 0; i < end_hs; ++i) {
int src_id = i % n_blocks;
@@ -2047,8 +2062,8 @@ static block_q6_Kx8 make_block_q6_Kx8(block_q6_K * in, unsigned int blck_size_in
int dst_offset = i * blck_size_interleave;
uint64_t elem_hs;
memcpy(&elem_hs, &in[src_id].qh[src_offset], sizeof(uint64_t));
memcpy(&out.qh[dst_offset], &elem_hs, sizeof(uint64_t));
memcpy(&elem_hs, &in[src_id].qh[src_offset], blck_size_interleave);
memcpy(&out.qh[dst_offset], &elem_hs, blck_size_interleave);
}
// The below logic is designed so as to unpack and rearrange scales in Q6_K
@@ -2198,7 +2213,7 @@ static int repack_q5_K_to_q5_K_8_bl(struct ggml_tensor * t,
static int repack_q6_K_to_q6_K_8_bl(struct ggml_tensor * t, int interleave_block, const void * GGML_RESTRICT data, size_t data_size) {
GGML_ASSERT(t->type == GGML_TYPE_Q6_K);
GGML_ASSERT(interleave_block == 8);
GGML_ASSERT(interleave_block == 4 || interleave_block == 8);
constexpr int nrows_interleaved = 8;
block_q6_Kx8 * dst = (block_q6_Kx8 *)t->data;
@@ -2399,6 +2414,10 @@ template <> int repack<block_q5_K, 8, 8>(struct ggml_tensor * t, const void * da
return repack_q5_K_to_q5_K_8_bl(t, 8, data, data_size);
}
template <> int repack<block_q6_K, 4, 8>(struct ggml_tensor * t, const void * data, size_t data_size) {
return repack_q6_K_to_q6_K_8_bl(t, 4, data, data_size);
}
template <> int repack<block_q6_K, 8, 8>(struct ggml_tensor * t, const void * data, size_t data_size) {
return repack_q6_K_to_q6_K_8_bl(t, 8, data, data_size);
}
@@ -2459,6 +2478,10 @@ template <> void gemv<block_q5_K, 8, 8, GGML_TYPE_Q8_K>(int n, float * s, size_t
ggml_gemv_q5_K_8x8_q8_K(n, s, bs, vx, vy, nr, nc);
}
template <> void gemv<block_q6_K, 4, 8, GGML_TYPE_Q8_K>(int n, float * s, size_t bs, const void * vx, const void * vy, int nr, int nc) {
ggml_gemv_q6_K_8x4_q8_K(n, s, bs, vx, vy, nr, nc);
}
template <> void gemv<block_q6_K, 8, 8, GGML_TYPE_Q8_K>(int n, float * s, size_t bs, const void * vx, const void * vy, int nr, int nc) {
ggml_gemv_q6_K_8x8_q8_K(n, s, bs, vx, vy, nr, nc);
}
@@ -2514,6 +2537,10 @@ template <> void gemm<block_q5_K, 8, 8, GGML_TYPE_Q8_K>(int n, float * s, size_t
ggml_gemm_q5_K_8x8_q8_K(n, s, bs, vx, vy, nr, nc);
}
template <> void gemm<block_q6_K, 4, 8, GGML_TYPE_Q8_K>(int n, float * s, size_t bs, const void * vx, const void * vy, int nr, int nc) {
ggml_gemm_q6_K_8x4_q8_K(n, s, bs, vx, vy, nr, nc);
}
template <> void gemm<block_q6_K, 8, 8, GGML_TYPE_Q8_K>(int n, float * s, size_t bs, const void * vx, const void * vy, int nr, int nc) {
ggml_gemm_q6_K_8x8_q8_K(n, s, bs, vx, vy, nr, nc);
}
@@ -2928,6 +2955,7 @@ static const ggml::cpu::tensor_traits * ggml_repack_get_optimal_repack_type(cons
static const ggml::cpu::repack::tensor_traits<block_q5_K, 8, 8, GGML_TYPE_Q8_K> q5_K_8x8_q8_K;
// instance for Q6_K
static const ggml::cpu::repack::tensor_traits<block_q6_K, 4, 8, GGML_TYPE_Q8_K> q6_K_8x4_q8_K;
static const ggml::cpu::repack::tensor_traits<block_q6_K, 8, 8, GGML_TYPE_Q8_K> q6_K_8x8_q8_K;
// instance for Q2
@@ -2993,6 +3021,11 @@ static const ggml::cpu::tensor_traits * ggml_repack_get_optimal_repack_type(cons
return &q6_K_8x8_q8_K;
}
}
if (ggml_cpu_has_neon() && ggml_cpu_has_dotprod()) {
if (cur->ne[1] % 8 == 0) {
return &q6_K_8x4_q8_K;
}
}
} else if (cur->type == GGML_TYPE_IQ4_NL) {
if (ggml_cpu_has_neon() && ggml_cpu_has_dotprod()) {
if (cur->ne[1] % 4 == 0) {
+4
View File
@@ -105,6 +105,7 @@ void ggml_gemv_q2_K_8x8_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const vo
void ggml_gemv_q4_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);
void ggml_gemv_q4_K_8x8_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);
void ggml_gemv_q5_K_8x8_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);
void ggml_gemv_q6_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);
void ggml_gemv_q6_K_8x8_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);
void ggml_gemv_iq4_nl_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_q4_0_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
@@ -114,6 +115,7 @@ void ggml_gemm_q2_K_8x8_q8_K(int n, float * GGML_RESTRICT s, size_t bs, const vo
void ggml_gemm_q4_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);
void ggml_gemm_q4_K_8x8_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);
void ggml_gemm_q5_K_8x8_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);
void ggml_gemm_q6_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);
void ggml_gemm_q6_K_8x8_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);
void ggml_gemm_iq4_nl_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_q8_0_4x4_q8_0(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
@@ -133,6 +135,7 @@ void ggml_gemv_q2_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs,
void ggml_gemv_q4_K_8x4_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_q4_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_q5_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_q6_K_8x4_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_q6_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_q4_0_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
@@ -142,6 +145,7 @@ void ggml_gemm_q2_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs,
void ggml_gemm_q4_K_8x4_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_q4_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_q5_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_q6_K_8x4_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_q6_K_8x8_q8_K_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemm_iq4_nl_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
void ggml_gemv_q8_0_4x4_q8_0_generic(int n, float * GGML_RESTRICT s, size_t bs, const void * GGML_RESTRICT vx, const void * GGML_RESTRICT vy, int nr, int nc);
+2 -1
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@@ -4851,8 +4851,9 @@ static bool ggml_backend_cuda_device_supports_op(ggml_backend_dev_t dev, const g
case GGML_OP_SUM_ROWS:
case GGML_OP_MEAN:
case GGML_OP_GROUP_NORM:
case GGML_OP_PAD:
return ggml_is_contiguous(op->src[0]);
case GGML_OP_PAD:
return true;
case GGML_OP_UPSCALE:
case GGML_OP_PAD_REFLECT_1D:
case GGML_OP_ARANGE:
+13 -10
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@@ -7,7 +7,7 @@ __device__ __forceinline__ int64_t wrap_around(int64_t coord, int64_t size) {
return (coord + size) % size;
}
static __global__ void pad_f32(const float * src, float * dst,
static __global__ void pad_f32(const float * src, size_t s00, size_t s01, size_t s02, size_t s03, float * dst,
const int lp0, const int rp0, const int lp1, const int rp1,
const int lp2, const int rp2, const int lp3, const int rp3,
const int ne0, const int ne1, const int ne2, const int ne3,
@@ -34,11 +34,8 @@ static __global__ void pad_f32(const float * src, float * dst,
const int64_t i01 = i1 - lp1;
const int64_t i02 = i2 - lp2;
const int64_t i03 = i3 - lp3;
const int64_t ne02 = ne2 - lp2 - rp2;
const int64_t ne01 = ne1 - lp1 - rp1;
const int64_t ne00 = ne0 - lp0 - rp0;
const int64_t src_idx = i03 * (ne00 * ne01 * ne02) + i02 * (ne00 * ne01) + i01 * ne00 + i00;
const int64_t src_idx = i03 * s03 + i02 * s02 + i01 * s01 + i00 * s00;
dst[dst_idx] = src[src_idx];
} else {
@@ -57,21 +54,21 @@ static __global__ void pad_f32(const float * src, float * dst,
const int64_t i02 = wrap_around(i2 - lp2, ne02);
const int64_t i03 = wrap_around(i3 - lp3, ne03);
const int64_t src_idx = i03 * (ne00 * ne01 * ne02) + i02 * (ne00 * ne01) + i01 * ne00 + i00;
const int64_t src_idx = i03 * s03 + i02 * s02 + i01 * s01 + i00 * s00;
dst[dst_idx] = src[src_idx];
}
}
static void pad_f32_cuda(const float * src, float * dst,
static void pad_f32_cuda(const float * src, size_t s00, size_t s01, size_t s02, size_t s03, float * dst,
const int lp0, const int rp0, const int lp1, const int rp1,
const int lp2, const int rp2, const int lp3, const int rp3,
const int ne0, const int ne1, const int ne2, const int ne3,
const bool circular, cudaStream_t stream) {
int num_blocks = (ne0 + CUDA_PAD_BLOCK_SIZE - 1) / CUDA_PAD_BLOCK_SIZE;
dim3 gridDim(num_blocks, ne1, ne2 * ne3);
pad_f32<<<gridDim, CUDA_PAD_BLOCK_SIZE, 0, stream>>>(src, dst,
pad_f32<<<gridDim, CUDA_PAD_BLOCK_SIZE, 0, stream>>>(src, s00, s01, s02, s03, dst,
lp0, rp0, lp1, rp1, lp2, rp2, lp3, rp3,
ne0, ne1, ne2, ne3, circular);
}
@@ -82,9 +79,10 @@ void ggml_cuda_op_pad(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
float * dst_d = (float *) dst->data;
cudaStream_t stream = ctx.stream();
GGML_TENSOR_UNARY_OP_LOCALS;
GGML_ASSERT(src0->type == GGML_TYPE_F32);
GGML_ASSERT(dst->type == GGML_TYPE_F32);
GGML_ASSERT(ggml_is_contiguous(src0));
const int32_t lp0 = ((const int32_t *) (dst->op_params))[0];
const int32_t rp0 = ((const int32_t *) (dst->op_params))[1];
@@ -96,7 +94,12 @@ void ggml_cuda_op_pad(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
const int32_t rp3 = ((const int32_t *) (dst->op_params))[7];
const int32_t circular = ((const int32_t *) (dst->op_params))[8];
pad_f32_cuda(src0_d, dst_d,
const size_t s00 = nb00 / ggml_type_size(src0->type);
const size_t s01 = nb01 / ggml_type_size(src0->type);
const size_t s02 = nb02 / ggml_type_size(src0->type);
const size_t s03 = nb03 / ggml_type_size(src0->type);
pad_f32_cuda(src0_d, s00, s01, s02, s03, dst_d,
lp0, rp0, lp1, rp1, lp2, rp2, lp3, rp3,
dst->ne[0], dst->ne[1], dst->ne[2], dst->ne[3],
(bool) circular, stream);