cl_buffer_get_subdata sometime is very very very slow in linux kernel, in skl
and chv,
and it is random. So temporary disable it, use map/copy/unmap to read.
Should re-enable it after find root cause.
Signed-off-by: Yang Rong <rong.r.y...@intel.com>
---
src/cl_enqueue.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/cl_enqueue.c b/src/cl_enqueue.c
index e858d5e..9e34bb8 100644
--- a/src/cl_enqueue.c
+++ b/src/cl_enqueue.c
@@ -36,7 +36,10 @@ cl_int cl_enqueue_read_buffer(enqueue_data* data)
assert(mem->type == CL_MEM_BUFFER_TYPE ||
mem->type == CL_MEM_SUBBUFFER_TYPE);
struct _cl_mem_buffer* buffer = (struct _cl_mem_buffer*)mem;
- if (!mem->is_userptr) {
+ //cl_buffer_get_subdata sometime is very very very slow in linux kernel, in
skl and chv,
+ //and it is randomly. So temporary disable it, use map/copy/unmap to read.
+ //Should re-enable it after find root cause.
+ if (0 && !mem->is_userptr) {
if (cl_buffer_get_subdata(mem->bo, data->offset + buffer->sub_offset,
data->size, data->ptr) != 0)
err = CL_MAP_FAILURE;
--
1.8.3.2
_______________________________________________
Beignet mailing list
Beignet@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/beignet
