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More GPU threads for CUDA kernels

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JohannesGaessler 2023-05-06 12:17:45 +02:00
parent 173d0e6419
commit 50148408b5
1 changed files with 121 additions and 86 deletions
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207
ggml-cuda.cu
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@ -80,192 +80,227 @@ typedef struct {
} block_q8_0;
static_assert(sizeof(block_q8_0) == sizeof(float) + QK8_0, "wrong q8_0 block size/padding");
static __global__ void dequantize_block_q4_0(const void * vx, float * y) {
static __global__ void dequantize_block_q4_0(const void * vx, float * y, int k) {
const block_q4_0 * x = (const block_q4_0 *) vx;
const int i = blockIdx.x;
const int i = blockIdx.x*blockDim.x + threadIdx.x;
const float d = x[i].d;
if (i < k) {
const float d = x[i].d;
const uint8_t * pp = x[i].qs;
const uint8_t * pp = x[i].qs;
for (int l = 0; l < QK4_0; l += 2) {
const uint8_t vi = pp[l/2];
for (int l = 0; l < QK4_0; l += 2) {
const uint8_t vi = pp[l/2];
const int8_t vi0 = vi & 0xf;
const int8_t vi1 = vi >> 4;
const int8_t vi0 = vi & 0xf;
const int8_t vi1 = vi >> 4;
const float v0 = (vi0 - 8)*d;
const float v1 = (vi1 - 8)*d;
const float v0 = (vi0 - 8)*d;
const float v1 = (vi1 - 8)*d;
y[i*QK4_0 + l + 0] = v0;
y[i*QK4_0 + l + 1] = v1;
y[i*QK4_0 + l + 0] = v0;
y[i*QK4_0 + l + 1] = v1;
}
}
}
static __global__ void dequantize_block_q4_1(const void * vx, float * y) {
static __global__ void dequantize_block_q4_1(const void * vx, float * y, int k) {
const block_q4_1 * x = (const block_q4_1 *) vx;
const int i = blockIdx.x;
const int i = blockIdx.x*blockDim.x + threadIdx.x;
const float d = x[i].d;
const float m = x[i].m;
if (i < k) {
const float d = x[i].d;
const float m = x[i].m;
const uint8_t * pp = x[i].qs;
const uint8_t * pp = x[i].qs;
for (int l = 0; l < QK4_1; l += 2) {
const uint8_t vi = pp[l/2];
for (int l = 0; l < QK4_1; l += 2) {
const uint8_t vi = pp[l/2];
const int8_t vi0 = vi & 0xf;
const int8_t vi1 = vi >> 4;
const int8_t vi0 = vi & 0xf;
const int8_t vi1 = vi >> 4;
const float v0 = vi0*d + m;
const float v1 = vi1*d + m;
const float v0 = vi0*d + m;
const float v1 = vi1*d + m;
y[i*QK4_1 + l + 0] = v0;
y[i*QK4_1 + l + 1] = v1;
y[i*QK4_1 + l + 0] = v0;
y[i*QK4_1 + l + 1] = v1;
}
}
}
static __global__ void dequantize_block_q4_2(const void * vx, float * y) {
static __global__ void dequantize_block_q4_2(const void * vx, float * y, int k) {
const block_q4_2 * x = (const block_q4_2 *) vx;
const int i = blockIdx.x;
const int i = blockIdx.x*blockDim.x + threadIdx.x;
const float d = x[i].d;
if (i < k) {
const float d = x[i].d;
const uint8_t * pp = x[i].qs;
const uint8_t * pp = x[i].qs;
for (int l = 0; l < QK4_2; l += 2) {
const uint8_t vi = pp[l/2];
for (int l = 0; l < QK4_2; l += 2) {
const uint8_t vi = pp[l/2];
const int8_t vi0 = vi & 0xf;
const int8_t vi1 = vi >> 4;
const int8_t vi0 = vi & 0xf;
const int8_t vi1 = vi >> 4;
const float v0 = (vi0 - 8)*d;
const float v1 = (vi1 - 8)*d;
const float v0 = (vi0 - 8)*d;
const float v1 = (vi1 - 8)*d;
y[i*QK4_2 + l + 0] = v0;
y[i*QK4_2 + l + 1] = v1;
y[i*QK4_2 + l + 0] = v0;
y[i*QK4_2 + l + 1] = v1;
}
}
}
static __global__ void dequantize_block_q5_0(const void * vx, float * y) {
static __global__ void dequantize_block_q5_0(const void * vx, float * y, int k) {
const block_q5_0 * x = (const block_q5_0 *) vx;
const int i = blockIdx.x;
const int i = blockIdx.x*blockDim.x + threadIdx.x;
const float d = x[i].d;
if (i < k) {
const float d = x[i].d;
const uint8_t * pp = x[i].qs;
const uint8_t * pp = x[i].qs;
uint32_t qh;
memcpy(&qh, x[i].qh, sizeof(qh));
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];
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 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 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;
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;
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) {
static __global__ void dequantize_block_q5_1(const void * vx, float * y, int k) {
const block_q5_1 * x = (const block_q5_1 *) vx;
const int i = blockIdx.x;
const int i = blockIdx.x*blockDim.x + threadIdx.x;
const float d = x[i].d;
const float m = x[i].m;
if (i < k) {
const float d = x[i].d;
const float m = x[i].m;
const uint8_t * pp = x[i].qs;
const uint8_t * pp = x[i].qs;
uint32_t qh;
memcpy(&qh, x[i].qh, sizeof(qh));
uint32_t qh;
memcpy(&qh, x[i].qh, sizeof(qh));
for (int l = 0; l < QK5_1; l += 2) {
const uint8_t vi = pp[l/2];
for (int l = 0; l < QK5_1; 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 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 int8_t vi0 = (vi & 0xf) | vh0;
const int8_t vi1 = (vi >> 4) | vh1;
const float v0 = vi0*d + m;
const float v1 = vi1*d + m;
const float v0 = vi0*d + m;
const float v1 = vi1*d + m;
y[i*QK5_1 + l + 0] = v0;
y[i*QK5_1 + l + 1] = v1;
y[i*QK5_1 + l + 0] = v0;
y[i*QK5_1 + l + 1] = v1;
}
}
}
static __global__ void dequantize_block_q8_0(const void * vx, float * y) {
static __global__ void dequantize_block_q8_0(const void * vx, float * y, int k) {
const block_q8_0 * x = (const block_q8_0 *) vx;
const int i = blockIdx.x;
const int i = blockIdx.x*blockDim.x + threadIdx.x;
const float d = x[i].d;
if (i < k) {
const float d = x[i].d;
const int8_t * pp = x[i].qs;
const int8_t * pp = x[i].qs;
for (int l = 0; l < QK8_0; l++) {
const int8_t vi = pp[l];
for (int l = 0; l < QK8_0; l++) {
const int8_t vi = pp[l];
y[i*QK8_0 + l] = vi*d;
y[i*QK8_0 + l] = vi*d;
}
}
}
static void dequantize_row_q4_0_cuda(const void * vx, float * y, int k, cudaStream_t stream) {
const int nb = k / QK4_0;
dequantize_block_q4_0<<<nb, 1, 0, stream>>>(vx, y);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, dequantize_block_q4_0, 0, 0));
int grid_size = (nb + block_size - 1) / block_size; // Round up.
dequantize_block_q4_0<<<grid_size, block_size, 0, stream>>>(vx, y, k);
}
static void dequantize_row_q4_1_cuda(const void * vx, float * y, int k, cudaStream_t stream) {
const int nb = k / QK4_1;
dequantize_block_q4_1<<<nb, 1, 0, stream>>>(vx, y);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, dequantize_block_q4_1, 0, 0));
int grid_size = (nb + block_size - 1) / block_size; // Round up.
dequantize_block_q4_1<<<grid_size, block_size, 0, stream>>>(vx, y, k);
}
static void dequantize_row_q4_2_cuda(const void * vx, float * y, int k, cudaStream_t stream) {
const int nb = k / QK4_2;
dequantize_block_q4_2<<<nb, 1, 0, stream>>>(vx, y);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, dequantize_block_q4_2, 0, 0));
int grid_size = (nb + block_size - 1) / block_size; // Round up.
dequantize_block_q4_2<<<grid_size, block_size, 0, stream>>>(vx, y, k);
}
static 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);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, dequantize_block_q5_0, 0, 0));
int grid_size = (nb + block_size - 1) / block_size; // Round up.
dequantize_block_q5_0<<<grid_size, block_size, 0, stream>>>(vx, y, k);
}
static 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);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, dequantize_block_q5_1, 0, 0));
int grid_size = (nb + block_size - 1) / block_size; // Round up.
dequantize_block_q5_1<<<grid_size, block_size, 0, stream>>>(vx, y, k);
}
static void dequantize_row_q8_0_cuda(const void * vx, float * y, int k, cudaStream_t stream) {
const int nb = k / QK8_0;
dequantize_block_q8_0<<<nb, 1, 0, stream>>>(vx, y);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, dequantize_block_q8_0, 0, 0));
int grid_size = (nb + block_size - 1) / block_size; // Round up.
dequantize_block_q8_0<<<grid_size, block_size, 0, stream>>>(vx, y, k);
}
// TODO: optimize
static __global__ void convert_fp16_to_fp32(const void * vx, float * y) {
static __global__ void convert_fp16_to_fp32(const void * vx, float * y, int k) {
const half * x = (const half *) vx;
const int i = blockIdx.x;
y[i] = __half2float(x[i]);
if (i < k) {
y[i] = __half2float(x[i]);
}
}
static void convert_fp16_to_fp32_cuda(const void * x, float * y, int k, cudaStream_t stream) {
convert_fp16_to_fp32<<<k, 1, 0, stream>>>(x, y);
int min_grid_size, block_size = 1; // Initialize to suppress compiler warning.
CUDA_CHECK(cudaOccupancyMaxPotentialBlockSize(&min_grid_size, &block_size, convert_fp16_to_fp32, 0, 0));
int grid_size = (k + block_size - 1) / block_size; // Round up.
convert_fp16_to_fp32<<<grid_size, block_size, 0, stream>>>(x, y, k);
}
static to_fp32_cuda_t ggml_get_to_fp32_cuda(ggml_type type) {