Difference between revisions of "OpenMP in Small Bites/Tasking and Synchronization"
OpenMP in Small Bites/Tasking and Synchronization
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− | [[Category:Tutorials]]<nowiki /> | + | [[Category:Tutorials|Task Synchronization (OpenMP)]]<nowiki /> |
+ | {{DISPLAYTITLE:Task Synchronization (OpenMP)}}<nowiki /> | ||
{{Syllabus OpenMP in Small Bites}}<nowiki /> | {{Syllabus OpenMP in Small Bites}}<nowiki /> | ||
__TOC__ | __TOC__ | ||
+ | |||
+ | This video discusses different synchonrization mechanisms for OpenMP Tasking. | ||
== Video == | == Video == | ||
<youtube width="600" height="340" right>xOpMkfT2jys</youtube> | <youtube width="600" height="340" right>xOpMkfT2jys</youtube> | ||
+ | |||
+ | ([[Media:hpc.nrw_07_Introduction-TaskingAndSynchronization.pdf | Slides as pdf]]) | ||
== Quiz == | == Quiz == | ||
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|type="()"} | |type="()"} | ||
- All existing tasks are guaranteed to be completed at barrier exit. | - All existing tasks are guaranteed to be completed at barrier exit. | ||
− | || | + | || Wrong. |
+ All tasks of the current thread team are guaranteed to be completed at barrier exit. | + All tasks of the current thread team are guaranteed to be completed at barrier exit. | ||
− | || | + | || Correct. |
− | + | - Only the direct child tasks tasks are guaranteed to be completed at barrier exit. | |
− | || | + | || Wrong. |
</quiz> | </quiz> | ||
{{hidden end}} | {{hidden end}} | ||
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|type="()"} | |type="()"} | ||
- All tasks of the same thread team. | - All tasks of the same thread team. | ||
− | || | + | || Wrong. |
- All desendant tasks. | - All desendant tasks. | ||
− | || | + | || Wrong. |
+ The direct child tasks. | + The direct child tasks. | ||
− | || | + | || Correct. |
</quiz> | </quiz> | ||
{{hidden end}} | {{hidden end}} |
Latest revision as of 16:41, 4 December 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 |
This video discusses different synchonrization mechanisms for OpenMP Tasking.
Video
Quiz
1. What happens to tasks at a
barrier
construct?
2. Which tasks are synchronized with by a
taskwait
construct?