Difference between revisions of "OpenMP in Small Bites/Tasking and Synchronization"

Revision as of 18:43, 30 November 2020

Tutorial
Title:	OpenMP in Small Bites
Provider:	HPC.NRW
Contact:	tutorials@hpc.nrw
Type:	Multi-part video
Topic Area:	Programming Paradigms
License:	CC-BY-SA
Syllabus
1. Overview
2. Worksharing
3. Data Scoping
4. False Sharing
5. Tasking
6. Tasking and Data Scoping
7. Tasking and Synchronization
8. Loops and Tasks
9. Tasking Example: Sudoku Solver
10. Task Scheduling
11. Non-Uniform Memory Access

1. What happens to tasks at a barrier construct?

2. Which tasks are synchronized with by a taskwait construct?

@@ Line 8: / Line 8: @@
 == Quiz ==
+{{hidden begin
+|title = 1. What happens to tasks at a <code>barrier</code> construct?
+}}
+<quiz display=simple>
+{
+|type="()"}
+- All existing tasks are guaranteed to be completed at barrier exit.
+||
++ All tasks of the current thread team are guaranteed to be completed at barrier exit.
+||
++ Only the direct child tasks tasks are guaranteed to be completed at barrier exit.
+||
+</quiz>
+{{hidden end}}
+{{hidden begin
+|title = 2. Which tasks are synchronized with by a <code>taskwait</code> construct?
+}}
+<quiz display=simple>
+{
+|type="()"}
+- All tasks of the same thread team.
+||
+- All desendant tasks.
+||
++ The direct child tasks.
+||
+</quiz>
+{{hidden end}}

	All existing tasks are guaranteed to be completed at barrier exit.
	All tasks of the current thread team are guaranteed to be completed at barrier exit.
	Only the direct child tasks tasks are guaranteed to be completed at barrier exit.

	All tasks of the same thread team.
	All desendant tasks.
	The direct child tasks.