diff options
Diffstat (limited to 'ggml.h')
| -rw-r--r-- | ggml.h | 36 |
1 files changed, 24 insertions, 12 deletions
@@ -65,7 +65,7 @@ // ggml_set_f32(a, 3.0f); // ggml_set_f32(b, 4.0f); // -// ggml_graph_compute(ctx0, &gf); +// ggml_graph_compute_with_ctx(ctx, &gf, n_threads); // // printf("f = %f\n", ggml_get_f32_1d(f, 0)); // @@ -418,9 +418,6 @@ extern "C" { struct ggml_tensor * src1; struct ggml_tensor * opt[GGML_MAX_OPT]; - // thread scheduling - int n_tasks; - // performance int perf_runs; int64_t perf_cycles; @@ -432,19 +429,27 @@ extern "C" { void * extra; // extra things e.g. for ggml-cuda.cu - char padding[4]; + char padding[8]; }; static const size_t GGML_TENSOR_SIZE = sizeof(struct ggml_tensor); + // the compute plan that needs to be prepared for ggml_graph_compute() + // since https://github.com/ggerganov/ggml/issues/287 + struct ggml_cplan { + size_t work_size; // size of work buffer, calculated by `ggml_graph_plan()` + uint8_t * work_data; // work buffer, to be allocated by caller before calling to `ggml_graph_compute()` + + int n_threads; + + // the `n_tasks` of nodes, 1:1 mapping to cgraph nodes + int n_tasks[GGML_MAX_NODES]; + }; + // computation graph struct ggml_cgraph { int n_nodes; int n_leafs; - int n_threads; - - size_t work_size; - struct ggml_tensor * work; struct ggml_tensor * nodes[GGML_MAX_NODES]; struct ggml_tensor * grads[GGML_MAX_NODES]; @@ -1290,15 +1295,22 @@ extern "C" { GGML_API void ggml_set_param( struct ggml_context * ctx, - struct ggml_tensor * tensor); + struct ggml_tensor * tensor); GGML_API void ggml_build_forward_expand(struct ggml_cgraph * cgraph, struct ggml_tensor * tensor); GGML_API struct ggml_cgraph ggml_build_forward (struct ggml_tensor * tensor); GGML_API struct ggml_cgraph ggml_build_backward(struct ggml_context * ctx, struct ggml_cgraph * gf, bool keep); - GGML_API void ggml_graph_compute(struct ggml_context * ctx, struct ggml_cgraph * cgraph); - GGML_API void ggml_graph_reset (struct ggml_cgraph * cgraph); + // ggml_graph_plan() has to be called before ggml_graph_compute() + // when plan.work_size > 0, caller must allocate memory for plan.work_data + GGML_API struct ggml_cplan ggml_graph_plan (struct ggml_cgraph * cgraph, int n_threads /*= GGML_DEFAULT_N_THREADS*/); + GGML_API void ggml_graph_compute(struct ggml_cgraph * cgraph, struct ggml_cplan * cplan); + GGML_API void ggml_graph_reset (struct ggml_cgraph * cgraph); + + // same as ggml_graph_compute() but the work data is allocated as a part of the context + // note: the drawback of this API is that you must have ensured that the context has enough memory for the work data + GGML_API void ggml_graph_compute_with_ctx(struct ggml_context * ctx, struct ggml_cgraph * cgraph, int n_threads); GGML_API struct ggml_tensor * ggml_graph_get_tensor(struct ggml_cgraph * cgraph, const char * name); |