From 2833a6f63c1b87c7f4ac574bcf7a15a2f3bf3ede Mon Sep 17 00:00:00 2001 From: slaren Date: Sun, 5 Nov 2023 18:45:16 +0100 Subject: [PATCH] ggml-cuda : fix f16 mul mat (#3961) * ggml-cuda : fix f16 mul mat ggml-ci * silence common.cpp warning (bonus) --- common/common.cpp | 2 +- ggml-cuda.cu | 8 +++++--- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/common/common.cpp b/common/common.cpp index 37e3ace8ac5d9..6a711420004b4 100644 --- a/common/common.cpp +++ b/common/common.cpp @@ -101,8 +101,8 @@ void process_escapes(std::string& input) { input[output_idx++] = char(val); break; } - // Intentionally fall through to default. } + // fall through default: input[output_idx++] = '\\'; input[output_idx++] = input[input_idx]; break; } diff --git a/ggml-cuda.cu b/ggml-cuda.cu index 9f873035ad0c0..2d9ffffbf7496 100644 --- a/ggml-cuda.cu +++ b/ggml-cuda.cu @@ -7414,6 +7414,8 @@ static void ggml_cuda_mul_mat(const ggml_tensor * src0, const ggml_tensor * src1 (src1->backend == GGML_BACKEND_GPU) && ( dst->backend == GGML_BACKEND_GPU); + const bool split = src0->backend == GGML_BACKEND_GPU_SPLIT; + int64_t min_compute_capability = INT_MAX; for (int64_t id = 0; id < g_device_count; ++id) { if (min_compute_capability > g_compute_capabilities[id] && g_tensor_split[id] < (id + 1 < g_device_count ? g_tensor_split[id + 1] : 1.0f)) { @@ -7435,13 +7437,13 @@ static void ggml_cuda_mul_mat(const ggml_tensor * src0, const ggml_tensor * src1 //printf("src0 is contiguous %d, transposed %d, type = %s, name = %s\n", ggml_is_contiguous(src0), ggml_is_transposed(src0), ggml_type_name(src0->type), src0->name); //printf("src1 is contiguous %d, transposed %d, type = %s, name = %s\n", ggml_is_contiguous(src1), ggml_is_transposed(src1), ggml_type_name(src1->type), src1->name); - if (all_on_device && !use_tensor_cores && src0->type == GGML_TYPE_F16 && ggml_is_permuted(src0) && ggml_is_permuted(src1) && src1->ne[1] == 1) { + if (!split && all_on_device && !use_tensor_cores && src0->type == GGML_TYPE_F16 && ggml_is_permuted(src0) && ggml_is_permuted(src1) && src1->ne[1] == 1) { // KQ single-batch ggml_cuda_mul_mat_vec_p021(src0, src1, dst); - } else if (all_on_device && !use_tensor_cores && src0->type == GGML_TYPE_F16 && !ggml_is_contiguous(src0) && !ggml_is_transposed(src1) && src1->ne[1] == 1) { + } else if (!split && all_on_device && !use_tensor_cores && src0->type == GGML_TYPE_F16 && !ggml_is_contiguous(src0) && !ggml_is_transposed(src1) && src1->ne[1] == 1) { // KQV single-batch ggml_cuda_mul_mat_vec_nc(src0, src1, dst); - } else if (all_on_device && use_tensor_cores && src0->type == GGML_TYPE_F16 && src1->type == GGML_TYPE_F32 && !ggml_is_transposed(src0) && !ggml_is_transposed(src1)) { + } else if (!split && all_on_device && use_tensor_cores && src0->type == GGML_TYPE_F16 && src1->type == GGML_TYPE_F32 && !ggml_is_transposed(src0) && !ggml_is_transposed(src1)) { // KQ + KQV multi-batch ggml_cuda_mul_mat_mat_batched_cublas(src0, src1, dst); } else if (src0->type == GGML_TYPE_F32) {