vbatts/llama.cpp
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[SYCL] offload op (#6217)

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* remove no USM methods

* leave the schedule to ggml_backend_sched entirely
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Meng, Hengyu 2024-03-24 12:04:25 +08:00 • committed by GitHub
parent d03224ac98
commit ddf6568510
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4 changed files with 51 additions and 304 deletions
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36
llama.cpp
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@ -13632,30 +13632,28 @@ struct llama_context * llama_new_context_with_model(
}
}
#elif defined(GGML_USE_SYCL)
if (model->n_gpu_layers > 0) {
// with split_mode LLAMA_SPLIT_MODE_NONE or LLAMA_SPLIT_MODE_ROW, only the main GPU backend is used
if (model->split_mode == LLAMA_SPLIT_MODE_NONE || model->split_mode == LLAMA_SPLIT_MODE_ROW) {
ggml_backend_t backend = ggml_backend_sycl_init(model->main_gpu);
// with split_mode LLAMA_SPLIT_MODE_NONE or LLAMA_SPLIT_MODE_ROW, only the main GPU backend is used
if (model->split_mode == LLAMA_SPLIT_MODE_NONE || model->split_mode == LLAMA_SPLIT_MODE_ROW) {
ggml_backend_t backend = ggml_backend_sycl_init(model->main_gpu);
if (backend == nullptr) {
int main_gpu_id = ggml_backend_sycl_get_device_id(model->main_gpu);
LLAMA_LOG_ERROR("%s: failed to initialize SYCL%d (index %d) backend\n", __func__, main_gpu_id, model->main_gpu);
llama_free(ctx);
return nullptr;
}
ctx->backends.push_back(backend);
} else {
// LLAMA_SPLIT_LAYER requires a backend for each GPU
for (int i = 0; i < ggml_backend_sycl_get_device_count(); ++i) {
ggml_backend_t backend = ggml_backend_sycl_init(i);
if (backend == nullptr) {
int main_gpu_id = ggml_backend_sycl_get_device_id(model->main_gpu);
LLAMA_LOG_ERROR("%s: failed to initialize SYCL%d (index %d) backend\n", __func__, main_gpu_id, model->main_gpu);
int id_list[GGML_SYCL_MAX_DEVICES];
ggml_sycl_get_gpu_list(id_list, GGML_SYCL_MAX_DEVICES);
LLAMA_LOG_ERROR("%s: failed to initialize SYCL%d (index %d) backend\n", __func__, id_list[i], i);
llama_free(ctx);
return nullptr;
}
ctx->backends.push_back(backend);
} else {
// LLAMA_SPLIT_LAYER requires a backend for each GPU
for (int i = 0; i < ggml_backend_sycl_get_device_count(); ++i) {
ggml_backend_t backend = ggml_backend_sycl_init(i);
if (backend == nullptr) {
int id_list[GGML_SYCL_MAX_DEVICES];
ggml_sycl_get_gpu_list(id_list, GGML_SYCL_MAX_DEVICES);
LLAMA_LOG_ERROR("%s: failed to initialize SYCL%d (index %d) backend\n", __func__, id_list[i], i);
llama_free(ctx);
return nullptr;
}
ctx->backends.push_back(backend);
}
}
}
#elif defined(GGML_USE_KOMPUTE)