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58 lines
2.3 KiB
C
58 lines
2.3 KiB
C
//
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// MIT license
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// Copyright (C) 2024 Intel Corporation
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// SPDX-License-Identifier: MIT
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//
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#pragma once
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#include "ggml.h"
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#include "ggml-backend.h"
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#define GGML_SYCL_NAME "SYCL"
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#define GGML_SYCL_MAX_DEVICES 48
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#ifdef __cplusplus
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extern "C" {
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#endif
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// backend API
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GGML_BACKEND_API ggml_backend_t ggml_backend_sycl_init(int device);
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GGML_BACKEND_API bool ggml_backend_is_sycl(ggml_backend_t backend);
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// devide buffer
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GGML_BACKEND_API ggml_backend_buffer_type_t ggml_backend_sycl_buffer_type(int device);
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// split tensor buffer that splits matrices by rows across multiple devices
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GGML_BACKEND_API ggml_backend_buffer_type_t ggml_backend_sycl_split_buffer_type(const float * tensor_split);
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// Tensor parallelism (--split-mode tensor): comm_init/free/allreduce_tensor
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// trio queried by the meta-backend via ggml_backend_reg_get_proc_address.
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// See typedefs in ggml/include/ggml-backend.h. Mirrors the CUDA backend's
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// pattern (ggml_backend_cuda_comm_*).
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GGML_BACKEND_API void * ggml_backend_sycl_comm_init(ggml_backend_t * backends, size_t n_backends);
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GGML_BACKEND_API void ggml_backend_sycl_comm_free(void * comm_ctx);
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GGML_BACKEND_API bool ggml_backend_sycl_comm_allreduce_tensor(void * comm_ctx, struct ggml_tensor ** tensors);
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// pinned host buffer for use with the CPU backend for faster copies between CPU and GPU
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GGML_BACKEND_API ggml_backend_buffer_type_t ggml_backend_sycl_host_buffer_type(void);
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GGML_BACKEND_API void ggml_backend_sycl_print_sycl_devices(void);
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GGML_BACKEND_API void ggml_backend_sycl_get_gpu_list(int *id_list, int max_len);
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GGML_BACKEND_API void ggml_backend_sycl_get_device_description(int device,
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char *description,
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size_t description_size);
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GGML_BACKEND_API int ggml_backend_sycl_get_device_count();
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GGML_BACKEND_API void ggml_backend_sycl_get_device_memory(int device, size_t *free, size_t *total);
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// SYCL doesn't support registering host memory, keep here for reference
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// GGML_BACKEND_API bool ggml_backend_sycl_register_host_buffer(void * buffer, size_t size);
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// GGML_BACKEND_API void ggml_backend_sycl_unregister_host_buffer(void * buffer);
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GGML_BACKEND_API ggml_backend_reg_t ggml_backend_sycl_reg(void);
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#ifdef __cplusplus
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}
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#endif
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