vbatts/llama.cpp
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propagate buffer usage in multi buffers

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slaren 2024-01-23 14:47:52 +01:00 • committed by 0cc4m
parent 3742b6c706
commit bc5e64b1bf
2 changed files with 20 additions and 1 deletions
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4
ggml-backend-impl.h
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@ -64,8 +64,10 @@ extern "C" {
// do not use directly, use ggml_backend_tensor_copy instead
bool ggml_backend_buffer_copy_tensor(const struct ggml_tensor * src, struct ggml_tensor * dst);
// create a buffer that contains a collection of buffers
// buffer that contains a collection of buffers
GGML_CALL ggml_backend_buffer_t ggml_backend_multi_buffer_alloc_buffer(ggml_backend_buffer_t * buffers, size_t n_buffers);
GGML_CALL bool ggml_backend_buffer_is_multi_buffer(ggml_backend_buffer_t buffer);
GGML_CALL void ggml_backend_multi_buffer_set_usage(ggml_backend_buffer_t buffer, enum ggml_backend_buffer_usage usage);
//
// Backend

17
ggml-backend.c
View file

@ -130,6 +130,11 @@ bool ggml_backend_buffer_is_host(ggml_backend_buffer_t buffer) {
void ggml_backend_buffer_set_usage(ggml_backend_buffer_t buffer, enum ggml_backend_buffer_usage usage) {
buffer->usage = usage;
// FIXME: add a generic callback to the buffer interface
if (ggml_backend_buffer_is_multi_buffer(buffer)) {
ggml_backend_multi_buffer_set_usage(buffer, usage);
}
}
ggml_backend_buffer_type_t ggml_backend_buffer_get_type(ggml_backend_buffer_t buffer) {
@ -837,6 +842,18 @@ GGML_CALL ggml_backend_buffer_t ggml_backend_multi_buffer_alloc_buffer(ggml_back
return ggml_backend_buffer_init(buffers[0]->buft, ggml_backend_multi_buffer_context_interface(), ctx, total_size);
}
GGML_CALL bool ggml_backend_buffer_is_multi_buffer(ggml_backend_buffer_t buffer) {
return buffer->iface.get_name == ggml_backend_multi_buffer_get_name;
}
GGML_CALL void ggml_backend_multi_buffer_set_usage(ggml_backend_buffer_t buffer, enum ggml_backend_buffer_usage usage) {
GGML_ASSERT(ggml_backend_buffer_is_multi_buffer(buffer));
ggml_backend_multi_buffer_context_t ctx = (ggml_backend_multi_buffer_context_t) buffer->context;
for (size_t i = 0; i < ctx->n_buffers; i++) {
ggml_backend_buffer_set_usage(ctx->buffers[i], usage);
}
}
// scheduler