diff --git a/ggml-cuda.cu b/ggml-cuda.cu index f2630ec8ee1a16..b93c3ea8c74113 100644 --- a/ggml-cuda.cu +++ b/ggml-cuda.cu @@ -83,9 +83,19 @@ typedef struct { } block_q8_0; static_assert(sizeof(block_q8_0) == sizeof(float) + QK8_0, "wrong q8_0 block size/padding"); +#define CUDA_MUL_BLOCK_SIZE 256 #define CUDA_DEQUANTIZE_BLOCK_SIZE 256 #define CUDA_DMMV_BLOCK_SIZE 32 // dmmv = dequantize_mul_mat_vec +static __global__ void mul_f32(const float * x, const float * y, float * dst, const int kx, const int ky) { + const int i = blockDim.x*blockIdx.x + threadIdx.x; + + if (i >= kx) { + return; + } + dst[i] = x[i] * y[i%ky]; +} + static __device__ void dequantize_q4_0(const void * vx, const int ib, const int iqs, float & v0, float & v1){ const block_q4_0 * x = (const block_q4_0 *) vx; @@ -228,6 +238,11 @@ static __global__ void dequantize_mul_mat_vec(const void * vx, const float * y, } } +static void mul_f32_cuda(const float * x, const float * y, float * dst, const int kx, const int ky, cudaStream_t stream) { + const int num_blocks = (kx + CUDA_MUL_BLOCK_SIZE - 1) / CUDA_MUL_BLOCK_SIZE; + mul_f32<<>>(x, y, dst, kx, ky); +} + static void dequantize_row_q4_0_cuda(const void * vx, float * y, const int k, cudaStream_t stream) { const int num_blocks = (k + CUDA_DEQUANTIZE_BLOCK_SIZE - 1) / CUDA_DEQUANTIZE_BLOCK_SIZE; dequantize_block<<>>(vx, y, k); @@ -467,6 +482,67 @@ static cudaError_t ggml_cuda_h2d_tensor_2d(void * dst, const struct ggml_tensor } } +static void ggml_cuda_mul_f32(const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst) { + GGML_ASSERT(src1->backend == GGML_BACKEND_CUDA); + const int64_t ne00 = src0->ne[0]; + const int64_t ne01 = src0->ne[1]; + const int64_t ne02 = src0->ne[2]; + const int64_t ne03 = src0->ne[2]; + const int64_t ne0 = ne00 * ne01 * ne02 * ne03; + const int64_t ne10 = src1->ne[0]; + const int64_t ne11 = src1->ne[1]; + const int64_t ne12 = src1->ne[2]; + const int64_t ne13 = src1->ne[3]; + const int nb2 = dst->nb[2]; + const int nb3 = dst->nb[3]; + size_t x_size, d_size; + + float * d_X = (float *) ggml_cuda_pool_malloc(ne0 * sizeof(float), &x_size); // src0 + float * d_Y = (float *) src1->data; // src1 is already on device, broadcasted. + float * d_D = (float *) ggml_cuda_pool_malloc(ne0 * sizeof(float), &d_size); // dst + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + const int i0 = i03*ne02 + i02; + float * c_X2 = d_X + i0*ne01*ne00; + float * c_D2 = d_D + i0*ne01*ne00; + + cudaStream_t cudaStream = g_cudaStreams[i0 % GGML_CUDA_MAX_STREAMS]; + cudaStream_t cudaStream2 = g_cudaStreams2[i0 % GGML_CUDA_MAX_STREAMS]; + cudaEvent_t cudaEvent = g_cudaEvents[i0 % GGML_CUDA_MAX_EVENTS]; + + // copy src0 to device + CUDA_CHECK(ggml_cuda_h2d_tensor_2d(c_X2, src0, i03, i02, cudaStream2)); + CUDA_CHECK(cudaEventRecord(cudaEvent, cudaStream2)); + + // wait for data + CUDA_CHECK(cudaStreamWaitEvent(cudaStream, cudaEvent, 0)); + + for (int64_t i01 = 0; i01 < ne01; i01++) { + const int64_t i13 = i03%ne13; + const int64_t i12 = i02%ne12; + const int64_t i11 = i01%ne11; + const int i1 = i13*ne12*ne11 + i12*ne11 + i11; + + float * c_X1 = c_X2 + i01*ne00; + float * c_Y = d_Y + i1*ne10; + float * c_D1 = c_D2 + i01*ne00; + + // compute + mul_f32_cuda(c_X1, c_Y, c_D1, ne00, ne10, cudaStream); + CUDA_CHECK(cudaGetLastError()); + } + + // copy dst to host + float * d = (float *) ((char *) dst->data + i02*nb2 + i03*nb3); + CUDA_CHECK(cudaMemcpyAsync(d, c_D2, sizeof(float)*ne00*ne01, cudaMemcpyDeviceToHost, cudaStream)); + } + } + CUDA_CHECK(cudaDeviceSynchronize()); + ggml_cuda_pool_free(d_X, x_size); + ggml_cuda_pool_free(d_D, d_size); +} + static void ggml_cuda_mul_mat_f32(const ggml_tensor * src0, const ggml_tensor * src1, ggml_tensor * dst) { const int64_t ne00 = src0->ne[0]; const int64_t ne01 = src0->ne[1]; @@ -724,6 +800,11 @@ static void ggml_cuda_mul_mat_q_f32(const ggml_tensor * src0, const ggml_tensor ggml_cuda_pool_free(d_Q, q_size); } +void ggml_cuda_mul(const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst) { + GGML_ASSERT(src0->type == GGML_TYPE_F32 && src1->type == GGML_TYPE_F32 && dst->type == GGML_TYPE_F32); + ggml_cuda_mul_f32(src0, src1, dst); +} + bool ggml_cuda_can_mul_mat(const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst) { const int64_t ne10 = src1->ne[0]; @@ -797,14 +878,18 @@ void ggml_cuda_transform_tensor(ggml_tensor * tensor) { const size_t q_sz = ggml_type_size(type) * ne0 * ne1 * ne2 * ne3 / ggml_blck_size(type); size_t q_size; - char * d_Q = (char *) ggml_cuda_pool_malloc(q_sz, &q_size); + char * dst = (char *) ggml_cuda_pool_malloc(q_sz, &q_size); cudaStream_t cudaStream2 = g_cudaStreams2[0]; // copy tensor to device - CUDA_CHECK(ggml_cuda_h2d_tensor_2d(d_Q, tensor, 0, 0, cudaStream2)); - CUDA_CHECK(cudaDeviceSynchronize()); + for (int64_t i3 = 0; i3 < ne3; i3++) { + for (int64_t i2 = 0; i2 < ne2; i2++) { + int i = i3*ne2 + i2; + CUDA_CHECK(ggml_cuda_h2d_tensor_2d(dst + i*ne0*ne1, tensor, i3, i2, cudaStream2)); + } + } - tensor->data = d_Q; + tensor->data = dst; tensor->backend = GGML_BACKEND_CUDA; } diff --git a/ggml-cuda.h b/ggml-cuda.h index 4e2c24283ccf4b..682a2ce0ab450e 100644 --- a/ggml-cuda.h +++ b/ggml-cuda.h @@ -6,6 +6,7 @@ extern "C" { void ggml_init_cublas(void); +void ggml_cuda_mul(const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst); bool ggml_cuda_can_mul_mat(const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst); size_t ggml_cuda_mul_mat_get_wsize(const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst); void ggml_cuda_mul_mat(const struct ggml_tensor * src0, const struct ggml_tensor * src1, struct ggml_tensor * dst, void * wdata, size_t wsize); diff --git a/ggml.c b/ggml.c index 64a94a1f45c387..1de4889824a8f8 100644 --- a/ggml.c +++ b/ggml.c @@ -7961,6 +7961,14 @@ static void ggml_compute_forward_mul_f32( } const int ith = params->ith; const int nth = params->nth; +#ifdef GGML_USE_CUBLAS + if (src1->backend == GGML_BACKEND_CUDA) { + if (ith == 0) { + ggml_cuda_mul(src0, src1, dst); + } + return; + } +#endif const size_t nb00 = src0->nb[0]; const size_t nb01 = src0->nb[1]; diff --git a/llama.cpp b/llama.cpp index 91dbcb9d6c3e84..611823f1ea45f5 100644 --- a/llama.cpp +++ b/llama.cpp @@ -1038,10 +1038,12 @@ static void llama_model_load_internal( for (int i = 0; i < n_gpu; ++i) { const auto & layer = model.layers[i]; + ggml_cuda_transform_tensor(layer.attention_norm); vram_total += ggml_nbytes(layer.attention_norm); ggml_cuda_transform_tensor(layer.wq); vram_total += ggml_nbytes(layer.wq); ggml_cuda_transform_tensor(layer.wk); vram_total += ggml_nbytes(layer.wk); ggml_cuda_transform_tensor(layer.wv); vram_total += ggml_nbytes(layer.wv); ggml_cuda_transform_tensor(layer.wo); vram_total += ggml_nbytes(layer.wo); + ggml_cuda_transform_tensor(layer.ffn_norm); vram_total += ggml_nbytes(layer.ffn_norm); ggml_cuda_transform_tensor(layer.w1); vram_total += ggml_nbytes(layer.w1); ggml_cuda_transform_tensor(layer.w2); vram_total += ggml_nbytes(layer.w2); ggml_cuda_transform_tensor(layer.w3); vram_total += ggml_nbytes(layer.w3);