Difference between revisions of "OpenMP in Small Bites/Overview"
OpenMP in Small Bites/Overview
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| + | [[Category:Tutorials]] | ||
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| + | __TOC__ | ||
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{{Infobox OpenMP in Small Bites}} | {{Infobox OpenMP in Small Bites}} | ||
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| + | === Video === <!--T:5--> | ||
| + | |||
| + | <youtube width="600" height="400" right>IfD9IPixgpo</youtube> | ||
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| + | |||
| + | === 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. | ||
| + | b. Use num_threads clause on a parallel construct. | ||
| + | </quiz> | ||
| + | {{hidden end}} | ||
Revision as of 16:49, 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
Quiz
Out of which three components the OpenMP interface consists?
What is one of the key concepts of the OpenMP execution model?
How can you control the number of threads?