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Traccia: • Consiglio di Corso di Studio Unificato in Informatica • documentiutili • OpenMP
roberto.alfieri:pub:openmp

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roberto.alfieri:pub:openmp [14/10/2020 18:36] – [Critical Directive] roberto.alfieriroberto.alfieri:pub:openmp [18/03/2022 16:11] (versione attuale) – [What is openMP] roberto.alfieri
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 ====== OpenMP ====== ====== OpenMP ======
  
 +====Tutorials, external links ====
 +
 +[[https://hpc-tutorials.llnl.gov/openmp/| LLNL]]
 +
 +
 +**[[http://didattica-linux.unipr.it/~alfieri/matdid/HPC/openmp/base/ | Exercises repository ]]**
 +
 +
 +==== What is openMP ====
  
 [[http://openmp.org/ | OpenMP]] adds constructs for shared-memory threading to C, C++ and Fortran [[http://openmp.org/ | OpenMP]] adds constructs for shared-memory threading to C, C++ and Fortran
  
  
-[[https://computing.llnl.gov/tutorials/openMP/#ProgrammingModel | Memory Model:]] 
  
 {{:roberto.alfieri:pub:shared_mem.png?200|}} {{:roberto.alfieri:pub:shared_mem.png?200|}}
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 Version 4.0 (July 2013), 4.5 (Nov 2015 ) and 5.0 (Nov 2018)  add support for accelerators (target directives), vectorization (SIMD directives), thread affinity and cancellation. Version 4.0 (July 2013), 4.5 (Nov 2015 ) and 5.0 (Nov 2018)  add support for accelerators (target directives), vectorization (SIMD directives), thread affinity and cancellation.
-[[https://developers.redhat.com/blog/2019/03/19/whats-new-in-openmp-5-0/ | What's new in OpenMP 5.0 ]] 
  
  
  
-====Tutorials, external links ==== 
- 
-[[https://computing.llnl.gov/tutorials/openMP/ | LLNL]] 
-- 
-[[http://bisqwit.iki.fi/story/howto/openmp/ | Guide into OpenMP: Easy multithreading programming for C++]] 
- 
-**[[http://didattica-linux.unipr.it/~alfieri/matdid/HPC/openmp/base/ | Exercises repository ]]** 
  
 === openMP support in the C/C++ Compilers === === openMP support in the C/C++ Compilers ===
  
-http://www.openmp.org/resources/openmp-compilers/ +https://www.openmp.org/resources/openmp-compilers-tools/
  
 GCC: From GCC 6.1, OpenMP 4.5 is fully supported for C and C++ GCC: From GCC 6.1, OpenMP 4.5 is fully supported for C and C++
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 </note> </note>
  
-INTEL:  OpenMP 4.5 C/C++/Fortran supported in version 17.0 compilers 
  
 == How to compile with openMP library == == How to compile with openMP library ==
  
-Compile with -fopenmp (gcc compiler)  or -qopenmp (intel compiler) on Linux +Compile with -fopenmp  on Linux 
  
 ===== Execution model ===== ===== Execution model =====
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 } }
 </code> </code>
-Examples: sections.c+Examples: ex2.c
  
  
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- Examples: for2.c+ Examples: for-schedule.c
  
  
roberto.alfieri/pub/openmp.1602693388.txt.gz · Ultima modifica: 14/10/2020 18:36 da roberto.alfieri
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