diff --git a/ggml/src/ggml-blas/ggml-blas-rework.cpp b/ggml/src/ggml-blas/ggml-blas-rework.cpp new file mode 100644 index 0000000000..9c8be1470c --- /dev/null +++ b/ggml/src/ggml-blas/ggml-blas-rework.cpp @@ -0,0 +1,685 @@ +#include "ggml-impl.h" +#include "ggml-blas.h" +#include "ggml-backend-impl.h" + +#include +#include +#include + +#if defined(GGML_BLAS_USE_ACCELERATE) +# include +#elif defined(GGML_BLAS_USE_MKL) +# include +#elif defined(GGML_BLAS_USE_BLIS) +# include +#elif defined(GGML_BLAS_USE_NVPL) +# include +#else +# include +#endif + +struct ggml_backend_blas_context { + int n_threads = GGML_DEFAULT_N_THREADS; + std::unique_ptr work_data; + size_t work_size = 0; +#ifndef GGML_USE_OPENMP + std::vector> tasks; +#endif +}; + +static void ggml_backend_blas_mul_mat( + ggml_backend_blas_context * ctx, + ggml_tensor * dst) { + + const ggml_tensor * src0 = dst->src[0]; + const ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const ggml_type type = src0->type; + + GGML_ASSERT(ne0 == ne01); + GGML_ASSERT(ne1 == ne11); + GGML_ASSERT(ne2 == ne12); + GGML_ASSERT(ne3 == ne13); + + // we don't support permuted src0 or src1 + GGML_ASSERT(nb00 == ggml_type_size(type)); + GGML_ASSERT(nb10 == ggml_type_size(src1->type)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + // broadcast factors + const int64_t r2 = ne12/ne02; + const int64_t r3 = ne13/ne03; + + const int64_t ne_plane = ne01*ne00; + const size_t desired_wsize = type == GGML_TYPE_F32 ? 0 : ne03*ne02*ne_plane*sizeof(float); + + if (ctx->work_size < desired_wsize) { + ctx->work_data.reset(new char[desired_wsize]); + ctx->work_size = desired_wsize; + } + void * wdata = ctx->work_data.get(); + + // convert src0 to float + if (type != GGML_TYPE_F32) { + const auto * type_traits = ggml_get_type_traits(type); + ggml_to_float_t const to_float = type_traits->to_float; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + const void * x = (char *) src0->data + i02*nb02 + i03*nb03; + float * const wplane = (float *) wdata + i02*ne_plane + i03*ne02*ne_plane; + + const int min_cols_per_thread = 4096; + const int min_rows_per_thread = std::max((int)(min_cols_per_thread/ne00), 1); + const int n_threads = std::max(std::min(ctx->n_threads, (int)(ne01/min_rows_per_thread)), 1); + +#ifdef GGML_USE_OPENMP + #pragma omp parallel for num_threads(n_threads) + for (int64_t i01 = 0; i01 < ne01; i01++) { + to_float((const char *) x + i01*nb01, wplane + i01*ne00, ne00); + } +#else + for (int i = 1; i < n_threads; i++) { + const int64_t start = (i + 0) * ne01/n_threads; + const int64_t end = (i + 1) * ne01/n_threads; + if (start < end) { + ctx->tasks.push_back(std::async(std::launch::async, [=]() { + for (int64_t i01 = start; i01 < end; i01++) { + to_float((const char *) x + i01*nb01, wplane + i01*ne00, ne00); + } + })); + } + } + { + // reuse the current thread for the first task + const int64_t start = 0; + const int64_t end = ne01/n_threads; + for (int64_t i01 = start; i01 < end; i01++) { + to_float((const char *) x + i01*nb01, wplane + i01*ne00, ne00); + } + } +#endif + } + } + +#ifndef GGML_USE_OPENMP + // wait for all tasks to finish + for (auto & task : ctx->tasks) { + task.get(); + } + ctx->tasks.clear(); +#endif + } + +#if defined(OPENBLAS_VERSION) + openblas_set_num_threads(ctx->n_threads); +#endif + +#if defined(GGML_BLAS_USE_BLIS) + bli_thread_set_num_threads(ctx->n_threads); +#endif + +#if defined(GGML_BLAS_USE_NVPL) + nvpl_blas_set_num_threads(ctx->n_threads); +#endif + + for (int64_t i13 = 0; i13 < ne13; i13++) { + for (int64_t i12 = 0; i12 < ne12; i12++) { + const int64_t i03 = i13/r3; + const int64_t i02 = i12/r2; + + const float * x = (float *) ((char *) src0->data + i02*nb02 + i03*nb03); + const float * y = (float *) ((char *) src1->data + i12*nb12 + i13*nb13); + float * d = (float *) ((char *) dst->data + i12*nb2 + i13*nb3); + + if (type != GGML_TYPE_F32) { + x = (float *) wdata + i02*ne_plane + i03*ne02*ne_plane; + } + + GGML_LOG_INFO("%s: name='%s' type=%s dequantized first 5 elements: [%.6f, %.6f, %.6f, %.6f, %.6f]\n", + __func__, + src0->name, + ggml_type_name(src0->type), + ((float *)x)[0], + ((float *)x)[1], + ((float *)x)[2], + ((float *)x)[3], + ((float *)x)[4]); + + cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans, + ne1, ne01, ne10, + 1.0f, y, ne10, + x, ne00, + 0.0f, d, ne01); + } + } +} + +static void ggml_backend_blas_mul_mat_id( + ggml_backend_blas_context * ctx, + ggml_tensor * dst) { + + const ggml_tensor * src0 = dst->src[0]; + const ggml_tensor * src1 = dst->src[1]; + const ggml_tensor * ids = dst->src[2]; + + GGML_TENSOR_BINARY_OP_LOCALS + + const ggml_type type = src0->type; + + GGML_ASSERT(nb00 == ggml_type_size(type)); + GGML_ASSERT(nb10 == ggml_type_size(src1->type)); + + GGML_ASSERT(nb0 == sizeof(float)); + GGML_ASSERT(nb0 <= nb1); + GGML_ASSERT(nb1 <= nb2); + GGML_ASSERT(nb2 <= nb3); + + GGML_ASSERT(ne03 == 1); + GGML_ASSERT(ne13 == 1); + GGML_ASSERT(ne3 == 1); + + GGML_ASSERT(src1->type == GGML_TYPE_F32); + GGML_ASSERT(ids->type == GGML_TYPE_I32); + + const int64_t ne_plane = ne01*ne00; + const size_t desired_wsize = type == GGML_TYPE_F32 + ? 0 + : ne03*ne02*ne_plane*sizeof(float); + + if (ctx->work_size < desired_wsize) { + ctx->work_data.reset(new char[desired_wsize]); + ctx->work_size = desired_wsize; + } + void * wdata = ctx->work_data.get(); + + // convert src0 to float + if (type != GGML_TYPE_F32) { + const auto * type_traits = ggml_get_type_traits(type); + ggml_to_float_t const to_float = type_traits->to_float; + + for (int64_t i03 = 0; i03 < ne03; i03++) { + for (int64_t i02 = 0; i02 < ne02; i02++) { + const void * x = (char *) src0->data + i02*nb02 + i03*nb03; + float * const wplane = (float *) wdata + i02*ne_plane + i03*ne02*ne_plane; + + const int min_cols_per_thread = 4096; + const int min_rows_per_thread = std::max((int)(min_cols_per_thread/ne00), 1); + const int n_threads = std::max(std::min(ctx->n_threads, (int)(ne01/min_rows_per_thread)), 1); + +#ifdef GGML_USE_OPENMP + #pragma omp parallel for num_threads(n_threads) + for (int64_t i01 = 0; i01 < ne01; i01++) { + to_float((const char *) x + i01*nb01, wplane + i01*ne00, ne00); + } +#else + for (int i = 1; i < n_threads; i++) { + const int64_t start = (i + 0)*ne01/n_threads; + const int64_t end = (i + 1)*ne01/n_threads; + if (start < end) { + ctx->tasks.push_back(std::async(std::launch::async, [=]() { + for (int64_t i01 = start; i01 < end; i01++) { + to_float((const char *) x + i01*nb01, wplane + i01*ne00, ne00); + } + })); + } + } + { + // reuse the current thread for the first task + const int64_t start = 0; + const int64_t end = ne01/n_threads; + for (int64_t i01 = start; i01 < end; i01++) { + to_float((const char *) x + i01*nb01, wplane + i01*ne00, ne00); + } + } +#endif + } + } + + GGML_LOG_INFO("%s: name='%s' type=%s dequantized first 5 elements: [%.6f, %.6f, %.6f, %.6f, %.6f]\n", + __func__, + src0->name, + ggml_type_name(src0->type), + ((float *)wdata)[0], + ((float *)wdata)[1], + ((float *)wdata)[2], + ((float *)wdata)[3], + ((float *)wdata)[4]); + +#ifndef GGML_USE_OPENMP + // wait for all tasks to finish + for (auto & task : ctx->tasks) { + task.get(); + } + ctx->tasks.clear(); +#endif + } + +#if defined(OPENBLAS_VERSION) + openblas_set_num_threads(ctx->n_threads); +#endif + +#if defined(GGML_BLAS_USE_BLIS) + bli_thread_set_num_threads(ctx->n_threads); +#endif + +#if defined(GGML_BLAS_USE_NVPL) + nvpl_blas_set_num_threads(ctx->n_threads); +#endif + + const int n_ids = ids->ne[0]; + const int n_tokens = ids->ne[1]; + + for (int t = 0; t < n_tokens; ++t) { + for (int e = 0; e < n_ids; ++e) { + const int32_t expert = *(const int32_t *) ((const char *) ids->data + e*ids->nb[0] + t*ids->nb[1]); + GGML_ASSERT(expert >= 0 && expert < ne02); + + const int e_src1 = e % ne11; + + const float * a = (float *) ((char *) src0->data + expert*nb02); + const float * b = (float *) ((char *) src1->data + e_src1*nb11 + t*nb12); + float * d = (float *) ((char *) dst->data + e*nb1 + t*nb2); + + if (type != GGML_TYPE_F32) { + a = (float *) wdata + expert*ne_plane; + } + + cblas_sgemv(CblasRowMajor, CblasNoTrans, + ne01, ne00, + 1.0f, a, ne00, + b, 1, + 0.0f, d, 1); + } + } +} + +static void ggml_backend_blas_out_prod(ggml_backend_blas_context * ctx, struct ggml_tensor * dst) { + const struct ggml_tensor * src0 = dst->src[0]; + const struct ggml_tensor * src1 = dst->src[1]; + + GGML_TENSOR_BINARY_OP_LOCALS + + GGML_ASSERT(ne0 == ne00); + GGML_ASSERT(ne1 == ne10); + GGML_ASSERT(ne2 == ne02); + GGML_ASSERT(ne02 == ne12); + GGML_ASSERT(ne3 == ne13); + GGML_ASSERT(ne03 == ne13); + + // we don't support permuted src0 or src1 + GGML_ASSERT(nb00 == sizeof(float)); + + // dst cannot be transposed or permuted + GGML_ASSERT(nb0 == sizeof(float)); + // GGML_ASSERT(nb0 <= nb1); + // GGML_ASSERT(nb1 <= nb2); + // GGML_ASSERT(nb2 <= nb3); + + // Arguments to ggml_compute_forward_out_prod (expressed as major,minor) + // src0: (k,n) + // src1: (k,m) + // dst: (m,n) + // + // Arguments to sgemm (see https://github.com/Reference-LAPACK/lapack/blob/master/BLAS/SRC/sgemm.f) + // Also expressed as (major,minor) + // a: (m,k): so src1 transposed + // b: (k,n): so src0 + // c: (m,n) + // + // However, if ggml_is_transposed(src1) is true, then + // src1->data already contains a transposed version, so sgemm mustn't + // transpose it further. + + int n = src0->ne[0]; + int k = src0->ne[1]; + int m = src1->ne[0]; + + CBLAS_TRANSPOSE transposeA; + int lda; + + if (!ggml_is_transposed(src1)) { + transposeA = CblasTrans; + lda = m; + } else { + transposeA = CblasNoTrans; + lda = k; + } + + float * a = (float *) ((char *) src1->data); + float * b = (float *) ((char *) src0->data); + float * c = (float *) ((char *) dst->data); + + cblas_sgemm(CblasRowMajor, transposeA, CblasNoTrans, m, n, k, 1.0, a, lda, b, n, 0.0, c, n); + + GGML_UNUSED(ctx); +} + +// backend interface + +static const char * ggml_backend_blas_get_name(ggml_backend_t backend) { + return "BLAS"; + + GGML_UNUSED(backend); +} + +static void ggml_backend_blas_free(ggml_backend_t backend) { + ggml_backend_blas_context * ctx = (ggml_backend_blas_context *)backend->context; + delete ctx; + delete backend; +} + +static enum ggml_status ggml_backend_blas_graph_compute(ggml_backend_t backend, struct ggml_cgraph * cgraph) { + ggml_backend_blas_context * ctx = (ggml_backend_blas_context *)backend->context; + + for (int i = 0; i < cgraph->n_nodes; i++) { + struct ggml_tensor * node = cgraph->nodes[i]; + + switch (node->op) { + case GGML_OP_MUL_MAT: + ggml_backend_blas_mul_mat(ctx, node); + break; + + case GGML_OP_MUL_MAT_ID: + ggml_backend_blas_mul_mat_id(ctx, node); + break; + + case GGML_OP_OUT_PROD: + ggml_backend_blas_out_prod(ctx, node); + break; + + case GGML_OP_NONE: + case GGML_OP_RESHAPE: + case GGML_OP_VIEW: + case GGML_OP_PERMUTE: + case GGML_OP_TRANSPOSE: + break; + + default: + GGML_ABORT("%s: unsupported op %s\n", __func__, ggml_op_desc(node)); + } + } + + return GGML_STATUS_SUCCESS; + + GGML_UNUSED(backend); +} + +static struct ggml_backend_i blas_backend_i = { + /* .get_name = */ ggml_backend_blas_get_name, + /* .free = */ ggml_backend_blas_free, + /* .set_tensor_async = */ NULL, + /* .get_tensor_async = */ NULL, + /* .cpy_tensor_async = */ NULL, + /* .synchronize = */ NULL, + /* .graph_plan_create = */ NULL, + /* .graph_plan_free = */ NULL, + /* .graph_plan_update = */ NULL, + /* .graph_plan_compute = */ NULL, + /* .graph_compute = */ ggml_backend_blas_graph_compute, + /* .event_record = */ NULL, + /* .event_wait = */ NULL, + /* .graph_optimize = */ NULL, +}; + +static ggml_guid_t ggml_backend_blas_guid(void) { + static ggml_guid guid = { 0x12, 0xa8, 0xae, 0xf4, 0xc0, 0x1e, 0x61, 0x97, 0x8f, 0xeb, 0x33, 0x04, 0xa1, 0x33, 0x51, 0x2d }; + return &guid; +} + +ggml_backend_t ggml_backend_blas_init(void) { + ggml_backend_blas_context * ctx = new ggml_backend_blas_context; + + ggml_backend_t backend = new ggml_backend { + /* .guid = */ ggml_backend_blas_guid(), + /* .iface = */ blas_backend_i, + /* .device = */ ggml_backend_reg_dev_get(ggml_backend_blas_reg(), 0), + /* .context = */ ctx, + }; + +#if defined(OPENBLAS_VERSION) && defined(GGML_USE_OPENMP) + if (openblas_get_parallel() != OPENBLAS_OPENMP) { + GGML_LOG_DEBUG("%s: warning: ggml is using OpenMP, but OpenBLAS was compiled without OpenMP support\n", __func__); + } +#endif + +#if defined(BLIS_ENABLE_CBLAS) && defined(GGML_USE_OPENMP) && !defined(BLIS_ENABLE_OPENMP) + GGML_LOG_DEBUG("%s: warning: ggml is using OpenMP, but BLIS was compiled without OpenMP support\n", __func__); +#endif + + return backend; +} + +bool ggml_backend_is_blas(ggml_backend_t backend) { + return backend != NULL && ggml_guid_matches(backend->guid, ggml_backend_blas_guid()); +} + +void ggml_backend_blas_set_n_threads(ggml_backend_t backend_blas, int n_threads) { + GGML_ASSERT(ggml_backend_is_blas(backend_blas)); + + ggml_backend_blas_context * ctx = (ggml_backend_blas_context *)backend_blas->context; + ctx->n_threads = n_threads; +} + +// device interface + +static const char * ggml_backend_blas_device_get_name(ggml_backend_dev_t dev) { + return "BLAS"; + + GGML_UNUSED(dev); +} + +static const char * ggml_backend_blas_device_get_description(ggml_backend_dev_t dev) { + #if defined(GGML_BLAS_USE_ACCELERATE) + return "Accelerate"; + #elif defined(GGML_BLAS_USE_MKL) + return "MKL"; + #elif defined(GGML_BLAS_USE_BLIS) + return "BLIS"; + #elif defined(GGML_BLAS_USE_NVPL) + return "NVPL"; + #elif defined(OPENBLAS_VERSION) + return "OpenBLAS"; + #else + return "BLAS"; + #endif + + GGML_UNUSED(dev); +} + +static void ggml_backend_blas_device_get_memory(ggml_backend_dev_t dev, size_t * free, size_t * total) { + // TODO + *free = 0; + *total = 0; + + GGML_UNUSED(dev); +} + +static enum ggml_backend_dev_type ggml_backend_blas_device_get_type(ggml_backend_dev_t dev) { + return GGML_BACKEND_DEVICE_TYPE_ACCEL; + + GGML_UNUSED(dev); +} + +static void ggml_backend_blas_device_get_props(ggml_backend_dev_t dev, struct ggml_backend_dev_props * props) { + props->name = ggml_backend_blas_device_get_name(dev); + props->description = ggml_backend_blas_device_get_description(dev); + props->type = ggml_backend_blas_device_get_type(dev); + ggml_backend_blas_device_get_memory(dev, &props->memory_free, &props->memory_total); + props->caps = { + /* .async = */ false, + /* .host_buffer = */ false, + /* .buffer_from_host_ptr = */ true, + /* .events = */ false, + }; +} + +static ggml_backend_t ggml_backend_blas_device_init_backend(ggml_backend_dev_t dev, const char * params) { + return ggml_backend_blas_init(); + + GGML_UNUSED(dev); + GGML_UNUSED(params); +} + +static ggml_backend_buffer_type_t ggml_backend_blas_device_get_buffer_type(ggml_backend_dev_t dev) { + return ggml_backend_cpu_buffer_type(); + + GGML_UNUSED(dev); +} + +static ggml_backend_buffer_t ggml_backend_blas_device_buffer_from_host_ptr(ggml_backend_dev_t dev, void * ptr, size_t size, size_t max_tensor_size) { + return ggml_backend_cpu_buffer_from_ptr(ptr, size); + + GGML_UNUSED(dev); + GGML_UNUSED(max_tensor_size); +} + +static bool ggml_backend_blas_device_supports_op(ggml_backend_dev_t dev, const struct ggml_tensor * op) { + const struct ggml_tensor * src0 = op->src[0]; + const struct ggml_tensor * src1 = op->src[1]; + + switch (op->op) { + case GGML_OP_NONE: + case GGML_OP_RESHAPE: + case GGML_OP_VIEW: + case GGML_OP_PERMUTE: + case GGML_OP_TRANSPOSE: + return true; + + case GGML_OP_MUL_MAT: + { + // BLAS usually is only faster for large matrices + const struct ggml_tensor * src0 = op->src[0]; + const struct ggml_tensor * src1 = op->src[1]; + + const int64_t ne10 = src1->ne[0]; + + const int64_t ne0 = op->ne[0]; + const int64_t ne1 = op->ne[1]; + + // TODO: find the optimal value + const int64_t min_batch = 32; + + return ggml_is_contiguous(src0) && + ggml_is_contiguous(src1) && + src1->type == GGML_TYPE_F32 && + (ne0 >= min_batch && ne1 >= min_batch && ne10 >= min_batch) && + (src0->type == GGML_TYPE_F32 || ggml_get_type_traits(src0->type)->to_float != NULL); + } + + case GGML_OP_MUL_MAT_ID: + { + const ggml_tensor * src0 = op->src[0]; + const ggml_tensor * src1 = op->src[1]; + + return ggml_is_contiguous(src0) && + ggml_is_contiguous(src1) && + src1->type == GGML_TYPE_F32 && + (src0->type == GGML_TYPE_F32 || ggml_get_type_traits(src0->type)->to_float != NULL); + } + + case GGML_OP_OUT_PROD: + return op->src[0]->type == GGML_TYPE_F32 && + op->src[1]->type == GGML_TYPE_F32 && + ggml_is_matrix(src0) && + ggml_is_matrix(src1) && + ggml_is_contiguous(src0) && + (ggml_is_contiguous(src1) || ggml_is_transposed(src1)) && + (src0->type == GGML_TYPE_F32 || ggml_get_type_traits(src0->type)->to_float != NULL); + + default: + return false; + + } + + GGML_UNUSED(dev); +} + +static bool ggml_backend_blas_device_supports_buft(ggml_backend_dev_t dev, ggml_backend_buffer_type_t buft) { + return ggml_backend_buft_is_host(buft); + + GGML_UNUSED(dev); +} + +static const struct ggml_backend_device_i ggml_backend_blas_device_i = { + /* .get_name = */ ggml_backend_blas_device_get_name, + /* .get_description = */ ggml_backend_blas_device_get_description, + /* .get_memory = */ ggml_backend_blas_device_get_memory, + /* .get_type = */ ggml_backend_blas_device_get_type, + /* .get_props = */ ggml_backend_blas_device_get_props, + /* .init_backend = */ ggml_backend_blas_device_init_backend, + /* .get_buffer_type = */ ggml_backend_blas_device_get_buffer_type, + /* .get_host_buffer_type = */ NULL, + /* .buffer_from_host_ptr = */ ggml_backend_blas_device_buffer_from_host_ptr, + /* .supports_op = */ ggml_backend_blas_device_supports_op, + /* .supports_buft = */ ggml_backend_blas_device_supports_buft, + /* .offload_op = */ NULL, + /* .event_new = */ NULL, + /* .event_free = */ NULL, + /* .event_synchronize = */ NULL, +}; + +// backend reg interface + +static const char * ggml_backend_blas_reg_get_name(ggml_backend_reg_t reg) { + return "BLAS"; + + GGML_UNUSED(reg); +} + +static size_t ggml_backend_blas_reg_get_device_count(ggml_backend_reg_t reg) { + return 1; + + GGML_UNUSED(reg); +} + +static ggml_backend_dev_t ggml_backend_blas_reg_get_device(ggml_backend_reg_t reg, size_t index) { + GGML_ASSERT(index == 0); + + static ggml_backend_device ggml_backend_blas_device = { + /* .iface = */ ggml_backend_blas_device_i, + /* .reg = */ reg, + /* .context = */ nullptr, + }; + + return &ggml_backend_blas_device; + + GGML_UNUSED(reg); + GGML_UNUSED(index); +} + +static void * ggml_backend_blas_get_proc_address(ggml_backend_reg_t reg, const char * name) { + if (std::strcmp(name, "ggml_backend_set_n_threads") == 0) { + return (void *)ggml_backend_blas_set_n_threads; + } + return NULL; + + GGML_UNUSED(reg); + GGML_UNUSED(name); +} + +static const struct ggml_backend_reg_i ggml_backend_blas_reg_i = { + /* .get_name = */ ggml_backend_blas_reg_get_name, + /* .get_device_count = */ ggml_backend_blas_reg_get_device_count, + /* .get_device = */ ggml_backend_blas_reg_get_device, + /* .get_proc_address = */ ggml_backend_blas_get_proc_address, +}; + +ggml_backend_reg_t ggml_backend_blas_reg(void) { + static struct ggml_backend_reg ggml_backend_blas_reg = { + /* .api_version = */ GGML_BACKEND_API_VERSION, + /* .iface = */ ggml_backend_blas_reg_i, + /* .context = */ NULL, + }; + + return &ggml_backend_blas_reg; +} + +GGML_BACKEND_DL_IMPL(ggml_backend_blas_reg) diff --git a/ggml/src/ggml-blas/ggml-blas.cpp b/ggml/src/ggml-blas/ggml-blas.cpp index 4280156edd..bb33717453 100644 --- a/ggml/src/ggml-blas/ggml-blas.cpp +++ b/ggml/src/ggml-blas/ggml-blas.cpp @@ -515,6 +515,8 @@ static bool ggml_backend_blas_device_supports_op(ggml_backend_dev_t dev, const g return ggml_is_contiguous(src0) && ggml_is_contiguous(src1) && + src0->view_src == nullptr && + src1->view_src == nullptr && src1->type == GGML_TYPE_F32 && (ne0 >= min_batch && ne1 >= min_batch && ne10 >= min_batch) && (src0->type == GGML_TYPE_F32 || ggml_get_type_traits(src0->type)->to_float != NULL);