[Beignet] [PATCH V2] Fix a clEnqueueBarrierWithWaitList event status bug.

Yang, Rong R rong.r.yang at intel.com
Mon Jun 16 18:53:57 PDT 2014


Yes, this patch is for the bug you reported. Thanks for produce and report it.

-----Original Message-----
From: Yichao Yu [mailto:yyc1992 at gmail.com] 
Sent: Monday, June 16, 2014 10:09 PM
To: Yang, Rong R
Cc: beignet at lists.freedesktop.org
Subject: Re: [Beignet] [PATCH V2] Fix a clEnqueueBarrierWithWaitList event status bug.

I can confirm that v2 fixes my problem with clEnqueueBarrierWithWaitList[1] (and v1 doesn't compile ;P)

THX.

[1] https://gist.github.com/yuyichao/8b661d51c81f1c85466e

On Mon, Jun 16, 2014 at 4:20 AM, Yang Rong <rong.r.yang at intel.com> wrote:
> Event's status should be CL_COMPLETE if all wait events are complete 
> in the wait list, in function clEnqueueBarrierWithWaitList and clEnqueueMarkerWithWaitList.
>
> v2: revert delete the event change in v1.
> Signed-off-by: Yang Rong <rong.r.yang at intel.com>
> ---
>  src/cl_event.c | 16 ++++++++++------
>  1 file changed, 10 insertions(+), 6 deletions(-)
>
> diff --git a/src/cl_event.c b/src/cl_event.c index 5dccfd9..c93d245 
> 100644
> --- a/src/cl_event.c
> +++ b/src/cl_event.c
> @@ -484,9 +484,11 @@ cl_int 
> cl_event_marker_with_wait_list(cl_command_queue queue,  //enqueues a 
> marker command which waits for either a list of events to complete, or if the list is  //empty it waits for all commands previously enqueued in command_queue to complete before it  completes.
>    if(num_events_in_wait_list > 0){
> -    data.type = EnqueueMarker;
> -    cl_event_new_enqueue_callback(*event, &data, num_events_in_wait_list, event_wait_list);
> -    return CL_SUCCESS;
> +    if(cl_event_wait_events(num_events_in_wait_list, event_wait_list, queue) == CL_ENQUEUE_EXECUTE_DEFER) {
> +      data.type = EnqueueMarker;
> +      cl_event_new_enqueue_callback(*event, &data, num_events_in_wait_list, event_wait_list);
> +      return CL_SUCCESS;
> +    }
>    } else if(queue->wait_events_num > 0) {
>      data.type = EnqueueMarker;
>      cl_event_new_enqueue_callback(*event, &data, 
> queue->wait_events_num, queue->wait_events); @@ -519,9 +521,11 @@ 
> cl_int cl_event_barrier_with_wait_list(cl_command_queue queue,  
> //enqueues a barrier command which waits for either a list of events to complete, or if the list is  //empty it waits for all commands previously enqueued in command_queue to complete before it  completes.
>    if(num_events_in_wait_list > 0){
> -    data.type = EnqueueBarrier;
> -    cl_event_new_enqueue_callback(e, &data, num_events_in_wait_list, event_wait_list);
> -    return CL_SUCCESS;
> +    if(cl_event_wait_events(num_events_in_wait_list, event_wait_list, queue) == CL_ENQUEUE_EXECUTE_DEFER) {
> +      data.type = EnqueueBarrier;
> +      cl_event_new_enqueue_callback(e, &data, num_events_in_wait_list, event_wait_list);
> +      return CL_SUCCESS;
> +    }
>    } else if(queue->wait_events_num > 0) {
>      data.type = EnqueueBarrier;
>      cl_event_new_enqueue_callback(e, &data, queue->wait_events_num, 
> queue->wait_events);
> --
> 1.9.1
>
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