ggml : adding Q5_0 mode

This commit is contained in:
Georgi Gerganov 2023-04-26 18:30:56 +03:00
parent b9c43584f6
commit 8e936ad0cd
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GPG key ID: 449E073F9DC10735
6 changed files with 340 additions and 7 deletions

View file

@ -37,6 +37,14 @@ typedef struct {
} block_q4_3;
static_assert(sizeof(block_q4_3) == 2 * sizeof(ggml_fp16_t) + QK4_3 / 2, "wrong q4_3 block size/padding");
#define QK5_0 32
typedef struct {
__half d; // delta
uint8_t qh[4]; // 5-th bit of quants
uint8_t qs[QK5_0 / 2]; // nibbles / quants
} block_q5_0;
static_assert(sizeof(block_q5_0) == sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding");
#define QK5_1 32
typedef struct {
__half d; // delta
@ -147,6 +155,35 @@ static __global__ void dequantize_block_q4_3(const void * vx, float * y) {
}
}
static __global__ void dequantize_block_q5_0(const void * vx, float * y) {
const block_q5_0 * x = (const block_q5_0 *) vx;
const int i = blockIdx.x;
const float d = x[i].d;
const uint8_t * pp = x[i].qs;
uint32_t qh;
memcpy(&qh, x[i].qh, sizeof(qh));
for (int l = 0; l < QK5_0; l += 2) {
const uint8_t vi = pp[l/2];
const int8_t vh0 = ((qh & (1 << (l + 0))) >> (l + 0)) << 4;
const int8_t vh1 = ((qh & (1 << (l + 1))) >> (l + 1)) << 4;
const int8_t vi0 = ((vi & 0xf) | vh0);
const int8_t vi1 = ((vi >> 4) | vh1);
const float v0 = (vi0 - 16)*d;
const float v1 = (vi1 - 16)*d;
y[i*QK5_0 + l + 0] = v0;
y[i*QK5_0 + l + 1] = v1;
}
}
static __global__ void dequantize_block_q5_1(const void * vx, float * y) {
const block_q5_1 * x = (const block_q5_1 *) vx;
@ -212,6 +249,11 @@ void dequantize_row_q4_3_cuda(const void * vx, float * y, int k, cudaStream_t st
dequantize_block_q4_3<<<nb, 1, 0, stream>>>(vx, y);
}
void dequantize_row_q5_0_cuda(const void * vx, float * y, int k, cudaStream_t stream) {
const int nb = k / QK5_0;
dequantize_block_q5_0<<<nb, 1, 0, stream>>>(vx, y);
}
void dequantize_row_q5_1_cuda(const void * vx, float * y, int k, cudaStream_t stream) {
const int nb = k / QK5_1;
dequantize_block_q5_1<<<nb, 1, 0, stream>>>(vx, y);

View file

@ -35,6 +35,7 @@ void dequantize_row_q4_0_cuda(const void * vx, float * y, int k, cudaStream_t st
void dequantize_row_q4_1_cuda(const void * vx, float * y, int k, cudaStream_t stream);
void dequantize_row_q4_2_cuda(const void * vx, float * y, int k, cudaStream_t stream);
void dequantize_row_q4_3_cuda(const void * vx, float * y, int k, cudaStream_t stream);
void dequantize_row_q5_0_cuda(const void * vx, float * y, int k, cudaStream_t stream);
void dequantize_row_q5_1_cuda(const void * vx, float * y, int k, cudaStream_t stream);
void dequantize_row_q8_0_cuda(const void * vx, float * y, int k, cudaStream_t stream);

291
ggml.c
View file

@ -676,6 +676,14 @@ typedef struct {
} block_q4_3;
static_assert(sizeof(block_q4_3) == 2 * sizeof(ggml_fp16_t) + QK4_3 / 2, "wrong q4_3 block size/padding");
#define QK5_0 32
typedef struct {
ggml_fp16_t d; // delta
uint8_t qh[4]; // 5-th bit of quants
uint8_t qs[QK5_0 / 2]; // nibbles / quants
} block_q5_0;
static_assert(sizeof(block_q5_0) == sizeof(ggml_fp16_t) + sizeof(uint32_t) + QK5_0 / 2, "wrong q5_0 block size/padding");
#define QK5_1 32
typedef struct {
ggml_fp16_t d; // delta
@ -1300,6 +1308,55 @@ static void quantize_row_q4_3(const float * restrict x, void * restrict vy, int
quantize_row_q4_3_reference(x, y, k);
}
static void quantize_row_q5_0_reference(const float * restrict x, block_q5_0 * restrict y, int k) {
assert(k % QK5_0 == 0);
const int nb = k / QK5_0;
for (int i = 0; i < nb; i++) {
float amax = 0.0f; // absolute max
float max = 0.0f;
for (int l = 0; l < QK5_0; l++) {
const float v = x[i*QK5_0 + l];
if (amax < fabsf(v)) {
amax = fabsf(v);
max = v;
}
}
const float d = max / -16;
const float id = d ? 1.0f/d : 0.0f;
y[i].d = GGML_FP32_TO_FP16(d);
uint32_t qh = 0;
for (int l = 0; l < QK5_0; l += 2) {
const float v0 = x[i*QK5_0 + l + 0]*id;
const float v1 = x[i*QK5_0 + l + 1]*id;
const uint32_t vi0 = MIN(31, (int) (v0 + 16.5f));
const uint32_t vi1 = MIN(31, (int) (v1 + 16.5f));
y[i].qs[l/2] = (vi0 & 0x0F) | ((vi1 & 0x0F) << 4);
// get the 5-th bit and store it in qh at the right position
qh |= ((vi0 & 0x10) >> 4) << (l + 0);
qh |= ((vi1 & 0x10) >> 4) << (l + 1);
}
memcpy(&y[i].qh, &qh, sizeof(y[i].qh));
}
}
static void quantize_row_q5_0(const float * restrict x, void * restrict vy, int k) {
assert(k % QK5_0 == 0);
block_q5_0 * restrict y = vy;
quantize_row_q5_0_reference(x, y, k);
}
static void quantize_row_q5_1_reference(const float * restrict x, block_q5_1 * restrict y, int k) {
assert(k % QK5_1 == 0);
const int nb = k / QK5_1;
@ -1861,6 +1918,42 @@ static void dequantize_row_q4_3(const void * restrict vx, float * restrict y, in
}
}
static void dequantize_row_q5_0(const void * restrict vx, float * restrict y, int k) {
assert(k % QK5_0 == 0);
const int nb = k / QK5_0;
const block_q5_0 * restrict x = vx;
for (int i = 0; i < nb; i++) {
const float d = GGML_FP16_TO_FP32(x[i].d);
const uint8_t * restrict pp = x[i].qs;
uint32_t qh;
memcpy(&qh, x[i].qh, sizeof(qh));
for (int l = 0; l < QK5_0; l += 2) {
const uint8_t vi = pp[l/2];
// extract the 5-th bit from qh
const uint8_t vh0 = ((qh & (1 << (l + 0))) >> (l + 0)) << 4;
const uint8_t vh1 = ((qh & (1 << (l + 1))) >> (l + 1)) << 4;
const int8_t vi0 = (vi & 0x0F) | vh0;
const int8_t vi1 = (vi >> 4) | vh1;
const float v0 = (vi0 - 16)*d;
const float v1 = (vi1 - 16)*d;
y[i*QK5_0 + l + 0] = v0;
y[i*QK5_0 + l + 1] = v1;
assert(!isnan(y[i*QK5_0 + l + 0]));
assert(!isnan(y[i*QK5_0 + l + 1]));
}
}
}
static void dequantize_row_q5_1(const void * restrict vx, float * restrict y, int k) {
assert(k % QK5_1 == 0);
const int nb = k / QK5_1;
@ -1918,6 +2011,7 @@ static void ggml_vec_dot_q4_0_q8_0(const int n, float * restrict s, const void *
static void ggml_vec_dot_q4_1_q8_1(const int n, float * restrict s, const void * restrict vx, const void * restrict vy);
static void ggml_vec_dot_q4_2_q8_0(const int n, float * restrict s, const void * restrict vx, const void * restrict vy);
static void ggml_vec_dot_q4_3_q8_1(const int n, float * restrict s, const void * restrict vx, const void * restrict vy);
static void ggml_vec_dot_q5_0_q8_0(const int n, float * restrict s, const void * restrict vx, const void * restrict vy);
static void ggml_vec_dot_q5_1_q8_1(const int n, float * restrict s, const void * restrict vx, const void * restrict vy);
static void ggml_vec_dot_q8_0_q8_0(const int n, float * restrict s, const void * restrict vx, const void * restrict vy);
@ -1954,6 +2048,14 @@ static const quantize_fns_t quantize_fns[GGML_TYPE_COUNT] = {
.vec_dot_q = ggml_vec_dot_q4_3_q8_1,
.vec_dot_type = GGML_TYPE_Q8_1,
},
[GGML_TYPE_Q5_0] = {
.dequantize_row_q = dequantize_row_q5_0,
.quantize_row_q = quantize_row_q5_0,
.quantize_row_q_reference = (quantize_row_q_t) quantize_row_q5_0_reference,
.quantize_row_q_dot = quantize_row_q8_0,
.vec_dot_q = ggml_vec_dot_q5_0_q8_0,
.vec_dot_type = GGML_TYPE_Q8_0,
},
[GGML_TYPE_Q5_1] = {
.dequantize_row_q = dequantize_row_q5_1,
.quantize_row_q = quantize_row_q5_1,
@ -3169,6 +3271,141 @@ static void ggml_vec_dot_q4_3_q8_1(const int n, float * restrict s, const void *
#endif
}
static void ggml_vec_dot_q5_0_q8_0(const int n, float * restrict s, const void * restrict vx, const void * restrict vy) {
const int nb = n / QK8_0;
assert(n % QK8_0 == 0);
assert(nb % 2 == 0);
assert(QK8_0 == QK5_0);
const block_q5_0 * restrict x = vx;
const block_q8_0 * restrict y = vy;
#if defined(__ARM_NEON)
float32x4_t sumv = vdupq_n_f32(0.0f);
uint64_t tmp[4];
for (int i = 0; i < nb; ++i) {
const block_q5_0 * restrict x0 = &x[i];
const block_q8_0 * restrict y0 = &y[i];
const uint8x16_t m4b = vdupq_n_u8(0x0F);
const int8x16_t s16b = vdupq_n_s8(0x10);
// extract the 5th bit
uint32_t qh;
memcpy(&qh, x0->qh, sizeof(qh));
tmp[0] = table_b2b[(qh >> 0) & 0xFF];
tmp[1] = table_b2b[(qh >> 8) & 0xFF];
tmp[2] = table_b2b[(qh >> 16) & 0xFF];
tmp[3] = table_b2b[(qh >> 24) ];
const int8x16_t qhl = vld1q_s8((const int8_t *)(tmp + 0));
const int8x16_t qhh = vld1q_s8((const int8_t *)(tmp + 2));
const uint8x16_t v0 = vld1q_u8(x0->qs);
// 4-bit -> 8-bit
const int8x16_t v0l = vreinterpretq_s8_u8(vandq_u8 (v0, m4b));
const int8x16_t v0h = vreinterpretq_s8_u8(vshrq_n_u8(v0, 4));
// interleave
const int8x16_t v0lz = vzip1q_s8(v0l, v0h);
const int8x16_t v0hz = vzip2q_s8(v0l, v0h);
// add high bit and sub 16
const int8x16_t v0lf = vsubq_s8(vorrq_s8(v0lz, qhl), s16b);
const int8x16_t v0hf = vsubq_s8(vorrq_s8(v0hz, qhh), s16b);
// load y
const int8x16_t v1l = vld1q_s8(y0->qs);
const int8x16_t v1h = vld1q_s8(y0->qs + 16);
const float x0d = GGML_FP16_TO_FP32(x0->d);
#if defined(__ARM_FEATURE_DOTPROD)
sumv = vmlaq_n_f32(sumv, vcvtq_f32_s32(vaddq_s32(
vdotq_s32(vdupq_n_s32(0), v0lf, v1l),
vdotq_s32(vdupq_n_s32(0), v0hf, v1h))), x0d*y0->d);
#else
const int16x8_t pl0l = vmull_s8(vget_low_s8 (v0lf), vget_low_s8 (v1l));
const int16x8_t pl0h = vmull_s8(vget_high_s8(v0lf), vget_high_s8(v1l));
const int16x8_t ph0l = vmull_s8(vget_low_s8 (v0hf), vget_low_s8 (v1h));
const int16x8_t ph0h = vmull_s8(vget_high_s8(v0hf), vget_high_s8(v1h));
const int32x4_t pl0 = vaddq_s32(vpaddlq_s16(pl0l), vpaddlq_s16(pl0h));
const int32x4_t ph0 = vaddq_s32(vpaddlq_s16(ph0l), vpaddlq_s16(ph0h));
sumv = vmlaq_n_f32(sumv, vcvtq_f32_s32(vaddq_s32(pl0, ph0)), x0d*y0->d);
#endif
}
*s = vaddvq_f32(sumv);
#elif defined(__AVX2__)
// Initialize accumulator with zeros
__m256 acc = _mm256_setzero_ps();
// Main loop
for (int i = 0; i < nb; i++) {
/* Compute combined scale for the block */
const __m128 d0 = _mm_set1_ps(GGML_FP16_TO_FP32(x[2*i + 0].d));
const __m128 d1 = _mm_set1_ps(GGML_FP16_TO_FP32(x[2*i + 1].d));
const __m256 d = _mm256_mul_ps(_mm256_set_m128(d1, d0), _mm256_broadcast_ss(&y[i].d));
__m128i bx0 = bytes_from_nibbles_16(x[2*i + 0].qs);
__m128i bx1 = bytes_from_nibbles_16(x[2*i + 1].qs);
__m256i bx = _mm256_set_m128i(bx1, bx0);
// Now we have a vector with bytes in [ 0 .. 15 ] interval. Offset them into [ -8 .. +7 ] interval.
const __m256i off = _mm256_set1_epi8(8);
bx = _mm256_sub_epi8(bx, off);
__m256i by = _mm256_loadu_si256((const __m256i *)y[i].qs);
const __m256 q = mul_sum_i8_pairs_float(bx, by);
/* Multiply q with scale and accumulate */
acc = _mm256_fmadd_ps(d, q, acc);
}
*s = hsum_float_8(acc);
#else
// scalar
float sumf = 0.0;
for (int i = 0; i < nb; i++) {
const uint8_t * restrict x0 = x[i].qs;
const int8_t * restrict y0 = y[i].qs;
uint32_t qh;
memcpy(&qh, x0->qh, sizeof(qh));
const float d = GGML_FP16_TO_FP32(x[i].d);
int sxy = 0;
for (int j = 0; j < QK8_0/2; j++) {
const uint8_t v0 = x0[j];
const int x0_0h = ((qh & (1 << (2*j + 0))) >> (2*j + 0)) << 4;
const int x1_0h = ((qh & (1 << (2*j + 1))) >> (2*j + 1)) << 4;
const int x0_0 = ((v0 & 0x0F) | x0_0h) - 16;
const int x1_0 = ((v0 >> 4) | x1_0h) - 16;
const int y0_0 = y0[2*j + 0];
const int y1_0 = y0[2*j + 1];
sxy += x0_0*y0_0 + x1_0*y1_0;
}
sumf += (d*sxy)*y[i].d;
}
*s = sumf;
#endif
}
static void ggml_vec_dot_q5_1_q8_1(const int n, float * restrict s, const void * restrict vx, const void * restrict vy) {
const int nb = n / QK8_1;
@ -3646,6 +3883,7 @@ static const int GGML_BLCK_SIZE[GGML_TYPE_COUNT] = {
[GGML_TYPE_Q4_1] = QK4_1,
[GGML_TYPE_Q4_2] = QK4_2,
[GGML_TYPE_Q4_3] = QK4_3,
[GGML_TYPE_Q5_0] = QK5_0,
[GGML_TYPE_Q5_1] = QK5_1,
[GGML_TYPE_Q8_0] = QK8_0,
[GGML_TYPE_Q8_1] = QK8_1,
@ -3653,7 +3891,7 @@ static const int GGML_BLCK_SIZE[GGML_TYPE_COUNT] = {
[GGML_TYPE_I16] = 1,
[GGML_TYPE_I32] = 1,
};
static_assert(GGML_TYPE_COUNT == 12, "GGML_BLCK_SIZE is outdated");
static_assert(GGML_TYPE_COUNT == 13, "GGML_BLCK_SIZE is outdated");
static const size_t GGML_TYPE_SIZE[GGML_TYPE_COUNT] = {
[GGML_TYPE_F32] = sizeof(float),
@ -3662,6 +3900,7 @@ static const size_t GGML_TYPE_SIZE[GGML_TYPE_COUNT] = {
[GGML_TYPE_Q4_1] = sizeof(block_q4_1),
[GGML_TYPE_Q4_2] = sizeof(block_q4_2),
[GGML_TYPE_Q4_3] = sizeof(block_q4_3),
[GGML_TYPE_Q5_0] = sizeof(block_q5_0),
[GGML_TYPE_Q5_1] = sizeof(block_q5_1),
[GGML_TYPE_Q8_0] = sizeof(block_q8_0),
[GGML_TYPE_Q8_1] = sizeof(block_q8_1),
@ -3669,7 +3908,7 @@ static const size_t GGML_TYPE_SIZE[GGML_TYPE_COUNT] = {
[GGML_TYPE_I16] = sizeof(int16_t),
[GGML_TYPE_I32] = sizeof(int32_t),
};
static_assert(GGML_TYPE_COUNT == 12, "GGML_TYPE_SIZE is outdated");
static_assert(GGML_TYPE_COUNT == 13, "GGML_TYPE_SIZE is outdated");
static const char * GGML_TYPE_NAME[GGML_TYPE_COUNT] = {
@ -3679,6 +3918,7 @@ static const char * GGML_TYPE_NAME[GGML_TYPE_COUNT] = {
[GGML_TYPE_Q4_1] = "q4_1",
[GGML_TYPE_Q4_2] = "q4_2",
[GGML_TYPE_Q4_3] = "q4_3",
[GGML_TYPE_Q5_0] = "q5_0",
[GGML_TYPE_Q5_1] = "q5_1",
[GGML_TYPE_Q8_0] = "q8_0",
[GGML_TYPE_Q8_1] = "q8_1",
@ -3686,7 +3926,7 @@ static const char * GGML_TYPE_NAME[GGML_TYPE_COUNT] = {
[GGML_TYPE_I16] = "i16",
[GGML_TYPE_I32] = "i32",
};
static_assert(GGML_TYPE_COUNT == 12, "GGML_TYPE_NAME is outdated");
static_assert(GGML_TYPE_COUNT == 13, "GGML_TYPE_NAME is outdated");
static bool GGML_IS_QUANTIZED[GGML_TYPE_COUNT] = {
[GGML_TYPE_F32] = false,
@ -3695,6 +3935,7 @@ static bool GGML_IS_QUANTIZED[GGML_TYPE_COUNT] = {
[GGML_TYPE_Q4_1] = true,
[GGML_TYPE_Q4_2] = true,
[GGML_TYPE_Q4_3] = true,
[GGML_TYPE_Q5_0] = true,
[GGML_TYPE_Q5_1] = true,
[GGML_TYPE_Q8_0] = true,
[GGML_TYPE_Q8_1] = true,
@ -3702,7 +3943,7 @@ static bool GGML_IS_QUANTIZED[GGML_TYPE_COUNT] = {
[GGML_TYPE_I16] = false,
[GGML_TYPE_I32] = false,
};
static_assert(GGML_TYPE_COUNT == 12, "GGML_IS_QUANTIZED is outdated");
static_assert(GGML_TYPE_COUNT == 13, "GGML_IS_QUANTIZED is outdated");
static const char * GGML_OP_LABEL[GGML_OP_COUNT] = {
"NONE",
@ -6923,6 +7164,7 @@ static void ggml_compute_forward_add(
case GGML_TYPE_Q4_1:
case GGML_TYPE_Q4_2:
case GGML_TYPE_Q4_3:
case GGML_TYPE_Q5_0:
case GGML_TYPE_Q5_1:
case GGML_TYPE_Q8_0:
{
@ -8412,6 +8654,9 @@ static void ggml_compute_forward_mul_mat_q_f32(
else if (type == GGML_TYPE_Q4_3) {
dequantize_row_q_cuda = dequantize_row_q4_3_cuda;
}
else if (type == GGML_TYPE_Q5_0) {
dequantize_row_q_cuda = dequantize_row_q5_0_cuda;
}
else if (type == GGML_TYPE_Q5_1) {
dequantize_row_q_cuda = dequantize_row_q5_1_cuda;
}
@ -8573,6 +8818,7 @@ static void ggml_compute_forward_mul_mat(
case GGML_TYPE_Q4_1:
case GGML_TYPE_Q4_2:
case GGML_TYPE_Q4_3:
case GGML_TYPE_Q5_0:
case GGML_TYPE_Q5_1:
case GGML_TYPE_Q8_0:
case GGML_TYPE_Q8_1:
@ -8804,6 +9050,7 @@ static void ggml_compute_forward_get_rows(
case GGML_TYPE_Q4_1:
case GGML_TYPE_Q4_2:
case GGML_TYPE_Q4_3:
case GGML_TYPE_Q5_0:
case GGML_TYPE_Q5_1:
case GGML_TYPE_Q8_0:
case GGML_TYPE_Q8_1:
@ -12598,6 +12845,36 @@ size_t ggml_quantize_q4_3(const float * src, void * dst, int n, int k, int64_t *
return (n/QK4_3*sizeof(block_q4_3));
}
size_t ggml_quantize_q5_0(const float * src, void * dst, int n, int k, int64_t * hist) {
assert(k % QK5_0 == 0);
const int nb = k / QK5_0;
for (int j = 0; j < n; j += k) {
block_q5_0 * restrict y = (block_q5_0 *)dst + j/QK5_0;
quantize_row_q5_0_reference(src + j, y, k);
for (int i = 0; i < nb; i++) {
for (int l = 0; l < QK5_0; l += 2) {
uint32_t qh;
memcpy(&qh, &y[i].qh, sizeof(qh));
const uint8_t vh0 = ((qh & (1 << (l + 0))) >> (l + 0)) << 4;
const uint8_t vh1 = ((qh & (1 << (l + 1))) >> (l + 1)) << 4;
// cast to 16 bins
const uint8_t vi0 = ((y[i].qs[l/2] & 0x0F) | vh0) / 2;
const uint8_t vi1 = ((y[i].qs[l/2] >> 4) | vh1) / 2;
hist[vi0]++;
hist[vi1]++;
}
}
}
return (n/QK5_0*sizeof(block_q5_0));
}
size_t ggml_quantize_q5_1(const float * src, void * dst, int n, int k, int64_t * hist) {
assert(k % QK5_1 == 0);
const int nb = k / QK5_1;
@ -12673,6 +12950,12 @@ size_t ggml_quantize_chunk(enum ggml_type type, const float * src, void * dst, i
block_q4_3 * block = (block_q4_3*)dst + start / QK4_3;
result = ggml_quantize_q4_3(src + start, block, n, n, hist);
} break;
case GGML_TYPE_Q5_0:
{
GGML_ASSERT(start % QK5_0 == 0);
block_q5_0 * block = (block_q5_0*)dst + start / QK5_0;
result = ggml_quantize_q5_0(src + start, block, n, n, hist);
} break;
case GGML_TYPE_Q5_1:
{
GGML_ASSERT(start % QK5_1 == 0);

8
ggml.h
View file

@ -222,9 +222,10 @@ extern "C" {
GGML_TYPE_Q4_1 = 3,
GGML_TYPE_Q4_2 = 4,
GGML_TYPE_Q4_3 = 5,
GGML_TYPE_Q5_1 = 6,
GGML_TYPE_Q8_0 = 7,
GGML_TYPE_Q8_1 = 8,
GGML_TYPE_Q5_0 = 6,
GGML_TYPE_Q5_1 = 7,
GGML_TYPE_Q8_0 = 8,
GGML_TYPE_Q8_1 = 9,
GGML_TYPE_I8,
GGML_TYPE_I16,
GGML_TYPE_I32,
@ -834,6 +835,7 @@ extern "C" {
GGML_API size_t ggml_quantize_q4_1(const float * src, void * dst, int n, int k, int64_t * hist);
GGML_API size_t ggml_quantize_q4_2(const float * src, void * dst, int n, int k, int64_t * hist);
GGML_API size_t ggml_quantize_q4_3(const float * src, void * dst, int n, int k, int64_t * hist);
GGML_API size_t ggml_quantize_q5_0(const float * src, void * dst, int n, int k, int64_t * hist);
GGML_API size_t ggml_quantize_q5_1(const float * src, void * dst, int n, int k, int64_t * hist);
GGML_API size_t ggml_quantize_q8_0(const float * src, void * dst, int n, int k, int64_t * hist);

View file

@ -484,6 +484,7 @@ struct llama_file_loader {
case GGML_TYPE_Q4_1:
case GGML_TYPE_Q4_2:
case GGML_TYPE_Q4_3:
case GGML_TYPE_Q5_0:
case GGML_TYPE_Q5_1:
case GGML_TYPE_Q8_0:
break;
@ -560,6 +561,7 @@ struct llama_file_saver {
case GGML_TYPE_Q4_1:
case GGML_TYPE_Q4_2:
case GGML_TYPE_Q4_3:
case GGML_TYPE_Q5_0:
case GGML_TYPE_Q5_1:
case GGML_TYPE_Q8_0:
break;
@ -852,6 +854,7 @@ static const char *llama_ftype_name(enum llama_ftype ftype) {
return "mostly Q4_1, some F16";
case LLAMA_FTYPE_MOSTLY_Q4_2: return "mostly Q4_2";
case LLAMA_FTYPE_MOSTLY_Q4_3: return "mostly Q4_3";
case LLAMA_FTYPE_MOSTLY_Q5_0: return "mostly Q5_0";
case LLAMA_FTYPE_MOSTLY_Q5_1: return "mostly Q5_1";
case LLAMA_FTYPE_MOSTLY_Q8_0: return "mostly Q8_0";
default: return "unknown, may not work";
@ -1591,6 +1594,7 @@ static void llama_model_quantize_internal(const std::string & fname_inp, const s
case LLAMA_FTYPE_MOSTLY_Q4_1: quantized_type = GGML_TYPE_Q4_1; break;
case LLAMA_FTYPE_MOSTLY_Q4_2: quantized_type = GGML_TYPE_Q4_2; break;
case LLAMA_FTYPE_MOSTLY_Q4_3: quantized_type = GGML_TYPE_Q4_3; break;
case LLAMA_FTYPE_MOSTLY_Q5_0: quantized_type = GGML_TYPE_Q5_0; break;
case LLAMA_FTYPE_MOSTLY_Q5_1: quantized_type = GGML_TYPE_Q5_1; break;
case LLAMA_FTYPE_MOSTLY_Q8_0: quantized_type = GGML_TYPE_Q8_0; break;
default: throw format("invalid output file type %d\n", ftype);

View file

@ -75,6 +75,7 @@ extern "C" {
LLAMA_FTYPE_MOSTLY_Q4_2 = 5, // except 1d tensors
LLAMA_FTYPE_MOSTLY_Q4_3 = 6, // except 1d tensors
LLAMA_FTYPE_MOSTLY_Q8_0 = 7, // except 1d tensors
LLAMA_FTYPE_MOSTLY_Q5_0 = 8, // except 1d tensors
LLAMA_FTYPE_MOSTLY_Q5_1 = 9, // except 1d tensors
};