Skip to content

opencl: add backend_synchronize #13939

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jun 2, 2025
+7 −2
Merged

opencl: add backend_synchronize #13939

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 7 additions & 2 deletions ggml/src/ggml-opencl/ggml-opencl.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1863,7 +1863,12 @@ static bool ggml_backend_opencl_cpy_tensor_async(ggml_backend_t backend, const g
}

static void ggml_backend_opencl_synchronize(ggml_backend_t backend) {
GGML_UNUSED(backend);
auto * backend_ctx = static_cast<ggml_backend_opencl_context *>(backend->context);

cl_event evt;
CL_CHECK(clEnqueueBarrierWithWaitList(backend_ctx->queue, 0, nullptr, &evt));
CL_CHECK(clWaitForEvents(1, &evt));
CL_CHECK(clReleaseEvent(evt));
}

// Syncronizes the 'backend_ctx's device with others so that commands
Expand Down Expand Up @@ -2052,7 +2057,7 @@ static ggml_backend_i ggml_backend_opencl_i = {
/* .set_tensor_async = */ NULL, /* ggml_backend_opencl_set_tensor_async */
/* .get_tensor_async = */ NULL, /* ggml_backend_opencl_get_tensor_async */
/* .cpy_tensor_async = */ NULL, /* ggml_backend_opencl_cpy_tensor_async */
/* .synchronize = */ NULL, /* ggml_backend_opencl_synchronize */
/* .synchronize = */ ggml_backend_opencl_synchronize,
/* .graph_plan_create = */ NULL,
/* .graph_plan_free = */ NULL,
/* .graph_plan_update = */ NULL,
Expand Down
Loading