Difference between revisions of "OpenMP in Small Bites/Worksharing"
OpenMP in Small Bites/Worksharing
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| + | [[Category:Tutorials]] | ||
| + | |||
| + | __TOC__ | ||
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{{Infobox OpenMP in Small Bites}} | {{Infobox OpenMP in Small Bites}} | ||
| + | |||
| + | |||
| + | === Video === <!--T:5--> | ||
| + | |||
| + | <youtube width="600" height="400" right>IfD9IPixgpo</youtube> | ||
| + | |||
| + | |||
| + | === Quiz === <!--T:5--> | ||
| + | |||
| + | |||
| + | {{hidden begin | ||
| + | |title = Out of which three components the OpenMP interface consists? | ||
| + | }} | ||
| + | <quiz display=simple> | ||
| + | { | ||
| + | |type="()"} | ||
| + | + Click and submit to see the answer | ||
| + | || compiler directives, runtime routines, environment variables | ||
| + | </quiz> | ||
| + | {{hidden end}} | ||
| + | |||
| + | {{hidden begin | ||
| + | |title = What is one of the key concepts of the OpenMP execution model? | ||
| + | }} | ||
| + | <quiz display=simple> | ||
| + | { | ||
| + | |type="()"} | ||
| + | + Click and submit to see the answer | ||
| + | || Fork-Join: An OpenMP program starts with just one worker thread (<code>master</code>). The <code>worker</code> threads are spawned in the parallel region and form a <code>team</code> of threads together with the <code>master</code>. They all join at the end of a parallel region. | ||
| + | </quiz> | ||
| + | {{hidden end}} | ||
| + | |||
| + | {{hidden begin | ||
| + | |title = How can you control the number of threads? | ||
| + | }} | ||
| + | <quiz display=simple> | ||
| + | { | ||
| + | |type="()"} | ||
| + | + Click and submit to see the answer | ||
| + | || a. Set environment variable OMP_NUM_THREADS. <br /> b. Use num_threads clause on a parallel construct. | ||
| + | </quiz> | ||
| + | {{hidden end}} | ||
Revision as of 16:54, 30 October 2020
| HPC.NRW | |
|---|---|
 | |
| Other HPC Courses | |
| 1. | Gprof Tutorial |
| 2. | Introduction to Linux in HPC |
| OpenMP in Small Bites | |
| 1. | Overview |
| 2. | Worksharing |
| 3. | Data Scoping |
| 4. | Non-Uniform Memory Access
|
Video