char-fork/llama.cpp

git clone https://git.t4t.associates/char-fork/llama.cpp

Georgi Gerganovllama : reorganize source code + improve CMake (#8006)f3f65429c

char/aliceai-t5-moe
brancheschar/aliceai-t5-moeall refs →
1.2 KiB34 linesraw
1#include "arange.cuh"
2
3static __global__ void arange_f32(float * dst, const int ne0, const float start, const float step) {
4    // blockIDx.x: idx of ne0 / BLOCK_SIZE
5    int nidx = threadIdx.x + blockIdx.x * blockDim.x;
6    if (nidx >= ne0) {
7        return;
8    }
9    dst[nidx] = start + step * nidx;
10}
11
12static void arange_f32_cuda(float * dst, const int ne0, const float start, const float step, cudaStream_t stream) {
13    int num_blocks = (ne0 + CUDA_ARANGE_BLOCK_SIZE - 1) / CUDA_ARANGE_BLOCK_SIZE;
14    arange_f32<<<num_blocks, CUDA_ARANGE_BLOCK_SIZE, 0, stream>>>(dst, ne0, start,  step);
15}
16
17void ggml_cuda_op_arange(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
18    float * dst_d = (float *)dst->data;
19    cudaStream_t stream = ctx.stream();
20
21    GGML_ASSERT(dst->type == GGML_TYPE_F32);
22
23    float start;
24    float stop;
25    float step;
26    memcpy(&start, (float *)dst->op_params + 0, sizeof(float));
27    memcpy(&stop,  (float *)dst->op_params + 1, sizeof(float));
28    memcpy(&step,  (float *)dst->op_params + 2, sizeof(float));
29
30    int64_t steps = (int64_t)ceil((stop - start) / step);
31    GGML_ASSERT(ggml_nelements(dst) == steps);
32
33    arange_f32_cuda(dst_d, dst->ne[0], start, step, stream);
34}