[SYCL][L0] Add support for queue barrier in the L0 plugin (#3045)

smaslov-intel · web-flow · commit 7c31f9074090 · 2021-01-27T11:30:52.000+03:00
Signed-off-by: Sergey V Maslov &lt;sergey.v.maslov@intel.com&gt;
diff --git a/sycl/plugins/level_zero/pi_level_zero.cpp b/sycl/plugins/level_zero/pi_level_zero.cpp
@@ -4121,7 +4121,9 @@ pi_result piEnqueueEventsWaitWithBarrier(pi_queue Queue,
                                      (*Event)->WaitList.Length,
                                      (*Event)->WaitList.ZeEventList));
 
-  return PI_SUCCESS;
+  // Execute command list asynchronously as the event will be used
+  // to track down its completion.
+  return Queue->executeCommandList(ZeCommandList, ZeFence);
 }
 
 pi_result piEnqueueMemBufferRead(pi_queue Queue, pi_mem Src,

Original file line number	Diff line number	Diff line change
`@@ -4121,7 +4121,9 @@ pi_result piEnqueueEventsWaitWithBarrier(pi_queue Queue,`
`4121`	`4121`	`(*Event)->WaitList.Length,`
`4122`	`4122`	`(*Event)->WaitList.ZeEventList));`
`4123`	`4123`
`4124`		`- return PI_SUCCESS;`
	`4124`	`+ // Execute command list asynchronously as the event will be used`
	`4125`	`+ // to track down its completion.`
	`4126`	`+ return Queue->executeCommandList(ZeCommandList, ZeFence);`
`4125`	`4127`	`}`
`4126`	`4128`
`4127`	`4129`	`pi_result piEnqueueMemBufferRead(pi_queue Queue, pi_mem Src,`