mirror of
https://github.com/ggerganov/whisper.cpp.git
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f96e1c5b78
* sync : ggml (backend v2, k-quants, CUDA opts, Metal opts, etc.) * metal : allow env metal variable to override resource path (#1415) * Allow env variable to override resource path * Update ggml-metal.m --------- Co-authored-by: Georgi Gerganov <ggerganov@gmail.com> * sync : restore common / main from `master` * sync : restore whisper from `master` * talk-llama : update to latest llama.cpp * ruby : fix build * ggml : fix 32-bit ARM build * ggml : fix MIN / MAX macro collisions + update ios bindings * ggml : fix ifdefs and MIN / MAX again * exampels : fix Obj-C and Swift examples * ggml : fix 32-bit ARM compatibility * ggml : one more attempt to fix 32-bit ARM compat * whisper : fix support for larger graphs --------- Co-authored-by: Chris Raethke <codesoda@users.noreply.github.com>
137 lines
5.8 KiB
C
137 lines
5.8 KiB
C
#pragma once
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#include "ggml.h"
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#include "ggml-alloc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//
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// Backend buffer
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//
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struct ggml_backend_buffer;
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typedef struct ggml_backend_buffer * ggml_backend_buffer_t;
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// backend buffer functions
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GGML_API void ggml_backend_buffer_free (ggml_backend_buffer_t buffer);
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GGML_API size_t ggml_backend_buffer_get_alignment (ggml_backend_buffer_t buffer);
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GGML_API void * ggml_backend_buffer_get_base (ggml_backend_buffer_t buffer);
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GGML_API size_t ggml_backend_buffer_get_size (ggml_backend_buffer_t buffer);
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GGML_API size_t ggml_backend_buffer_get_alloc_size(ggml_backend_buffer_t buffer, struct ggml_tensor * tensor);
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GGML_API void ggml_backend_buffer_init_tensor (ggml_backend_buffer_t buffer, struct ggml_tensor * tensor);
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GGML_API void ggml_backend_buffer_free_tensor (ggml_backend_buffer_t buffer, struct ggml_tensor * tensor);
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//
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// Backend
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//
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struct ggml_backend;
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typedef struct ggml_backend * ggml_backend_t;
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typedef void * ggml_backend_graph_plan_t;
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GGML_API ggml_backend_t ggml_get_backend(const struct ggml_tensor * tensor);
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GGML_API const char * ggml_backend_name(ggml_backend_t backend);
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GGML_API void ggml_backend_free(ggml_backend_t backend);
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GGML_API ggml_backend_buffer_t ggml_backend_alloc_buffer(ggml_backend_t backend, size_t size);
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GGML_API size_t ggml_backend_get_alignment(ggml_backend_t backend);
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GGML_API void ggml_backend_tensor_set_async( struct ggml_tensor * tensor, const void * data, size_t offset, size_t size);
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GGML_API void ggml_backend_tensor_get_async(const struct ggml_tensor * tensor, void * data, size_t offset, size_t size);
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GGML_API void ggml_backend_tensor_set( struct ggml_tensor * tensor, const void * data, size_t offset, size_t size);
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GGML_API void ggml_backend_tensor_get(const struct ggml_tensor * tensor, void * data, size_t offset, size_t size);
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GGML_API void ggml_backend_synchronize(ggml_backend_t backend);
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GGML_API ggml_backend_graph_plan_t ggml_backend_graph_plan_create (ggml_backend_t backend, struct ggml_cgraph * cgraph);
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GGML_API void ggml_backend_graph_plan_free (ggml_backend_t backend, ggml_backend_graph_plan_t plan);
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GGML_API void ggml_backend_graph_plan_compute(ggml_backend_t backend, ggml_backend_graph_plan_t plan);
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GGML_API void ggml_backend_graph_compute (ggml_backend_t backend, struct ggml_cgraph * cgraph);
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GGML_API bool ggml_backend_supports_op (ggml_backend_t backend, const struct ggml_tensor * op);
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// tensor copy between different backends
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GGML_API void ggml_backend_tensor_copy(struct ggml_tensor * src, struct ggml_tensor * dst);
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//
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// CPU backend
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//
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GGML_API ggml_backend_t ggml_backend_cpu_init(void);
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GGML_API bool ggml_backend_is_cpu(ggml_backend_t backend);
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GGML_API void ggml_backend_cpu_set_n_threads(ggml_backend_t backend_cpu, int n_threads);
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// Create a backend buffer from an existing pointer
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GGML_API ggml_backend_buffer_t ggml_backend_cpu_buffer_from_ptr(ggml_backend_t backend_cpu, void * ptr, size_t size);
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//
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// Backend scheduler
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//
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// The backend scheduler allows for multiple backends to be used together
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// Handles compute buffer allocation, assignment of tensors to backends, and copying of tensors between backends
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// The backends are selected based on:
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// - the backend that supports the operation
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// - the location of the pre-allocated tensors (e.g. the weights)
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/*
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Example usage:
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sched = ggml_backend_sched_new({backend_gpu, backend_gpu2, backend_cpu}, num_backends);
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// sched is initialized with measure allocators and cannot be used until allocated with a measure graph
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// initialize buffers from a measure graph
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measure_graph = build_graph(sched); // use the allocr to allocate inputs as needed
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// in build_graph:
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build_graph(...) {
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// allocating tensors in a specific backend (optional, recommended: pre-allocate inputs in a different buffer)
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alloc_cpu = ggml_backend_sched_get_allocr(sched, backend_cpu);
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ggml_allocr_alloc(alloc_cpu, tensor);
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// manually assigning nodes to a backend (optional, shouldn't be needed in most cases)
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struct ggml_tensor * node = ggml_mul_mat(ctx, ...);
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ggml_backend_sched_set_node_backend(sched, node, backend_gpu);
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}
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// allocate backend buffers from measure graph
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ggml_backend_sched_init_measure(sched, measure_graph);
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// the scheduler is now ready to compute graphs
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// compute
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graph = build_graph(sched);
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ggml_backend_sched_graph_compute(sched, graph);
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*/
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struct ggml_backend_sched;
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typedef struct ggml_backend_sched * ggml_backend_sched_t;
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// Initialize a backend scheduler
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GGML_API ggml_backend_sched_t ggml_backend_sched_new(ggml_backend_t * backends, int n_backends);
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GGML_API void ggml_backend_sched_free(ggml_backend_sched_t sched);
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// Initialize backend buffers from a measure graph
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GGML_API void ggml_backend_sched_init_measure(ggml_backend_sched_t sched, struct ggml_cgraph * measure_graph);
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GGML_API ggml_tallocr_t ggml_backend_sched_get_tallocr(ggml_backend_sched_t sched, ggml_backend_t backend);
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GGML_API ggml_backend_buffer_t ggml_backend_sched_get_buffer (ggml_backend_sched_t sched, ggml_backend_t backend);
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GGML_API void ggml_backend_sched_set_node_backend(ggml_backend_sched_t sched, struct ggml_tensor * node, ggml_backend_t backend);
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// Allocate a graph on the backend scheduler
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GGML_API void ggml_backend_sched_graph_compute(
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ggml_backend_sched_t sched,
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struct ggml_cgraph * graph);
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#ifdef __cplusplus
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}
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#endif
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