vbatts/llama.cpp
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refactor the solution, use host buf to fix it, instead of disable mmap

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This commit is contained in:
Jianyu Zhang 2024-04-12 17:16:36 +08:00
parent 7e54166562
commit 77e9703de7
4 changed files with 5 additions and 12 deletions
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7
ggml-backend.c
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@ -196,13 +196,6 @@ size_t ggml_backend_get_max_size(ggml_backend_t backend) {
return ggml_backend_buft_get_max_size(ggml_backend_get_default_buffer_type(backend));
}
bool ggml_backend_is_support_mmap(void) {
#ifdef GGML_USE_SYCL
return false;
#endif
return true;
}
void ggml_backend_tensor_set_async(ggml_backend_t backend, struct ggml_tensor * tensor, const void * data, size_t offset, size_t size) {
GGML_ASSERT(tensor->data != NULL && "tensor not allocated");
GGML_ASSERT(offset + size <= ggml_nbytes(tensor) && "tensor write out of bounds");

2
ggml-backend.h
View file

@ -26,7 +26,6 @@ extern "C" {
GGML_API bool ggml_backend_buft_supports_backend(ggml_backend_buffer_type_t buft, ggml_backend_t backend);
GGML_API bool ggml_backend_buft_is_host (ggml_backend_buffer_type_t buft);
// buffer
enum ggml_backend_buffer_usage {
GGML_BACKEND_BUFFER_USAGE_ANY = 0,
@ -59,7 +58,6 @@ extern "C" {
GGML_API ggml_backend_buffer_t ggml_backend_alloc_buffer(ggml_backend_t backend, size_t size);
GGML_API size_t ggml_backend_get_alignment(ggml_backend_t backend);
GGML_API size_t ggml_backend_get_max_size(ggml_backend_t backend);
GGML_API bool ggml_backend_is_support_mmap(void);
GGML_API void ggml_backend_tensor_set_async(ggml_backend_t backend, struct ggml_tensor * tensor, const void * data, size_t offset, size_t size);
GGML_API void ggml_backend_tensor_get_async(ggml_backend_t backend, const struct ggml_tensor * tensor, void * data, size_t offset, size_t size);

6
ggml-sycl.cpp
View file

@ -16821,11 +16821,13 @@ static void ggml_backend_sycl_buffer_set_tensor(ggml_backend_buffer_t buffer,
const dpct::queue_ptr stream = g_syclStreams[ctx->device][0];
SYCL_CHECK(
CHECK_TRY_ERROR(dpct::dev_mgr::instance().get_device(ctx->device).queues_wait_and_throw()));
char* host_buf = (char*)malloc(size);
memcpy(host_buf, data, size);
SYCL_CHECK(
CHECK_TRY_ERROR((*stream)
.memcpy((char *)tensor->data + offset, data, size)
.memcpy((char *)tensor->data + offset, host_buf, size)
.wait()));
free(host_buf);
}
catch (sycl::exception const &exc) {
std::cerr << exc.what() << "Exception caught at file:" << __FILE__

2
llama.cpp
View file

@ -3112,7 +3112,7 @@ struct llama_model_loader {
}
}
if (!llama_mmap::SUPPORTED || !ggml_backend_is_support_mmap()) {
if (!llama_mmap::SUPPORTED) {
LLAMA_LOG_WARN("%s: mmap is not supported on this platform\n", __func__);
use_mmap = false;
}