Tag Archives: cc-NUMA

OpenMP 4.0 RC1 and the Accelerator TR available

Posted on November 14, 2012 by

Quoting from openmp.org: OpenMP, the de-facto standard for parallel programming on shared memory systems, continues to extend its reach beyond pure HPC to include embedded systems, real time systems, and accelerators. Release Candidate 1 of the OpenMP 4.0 API specifications … Continue reading →

Posted in Future of HPC, NUMA, OpenACC, OpenMP | Tagged , , , , , , , | Leave a comment

Expect big OpenMP 4.0 news for SC12

Posted on November 6, 2012 by

Expect big news on OpenMP 4.0 for next week’s SC12. The OpenMP Language Committee – responsible for developing the standard – always planned to release the next version of the standard as a draft for public comment in time for … Continue reading →

Posted in Future of HPC, NUMA, OpenACC, OpenMP | Tagged , , , , , , , | 1 Comment

Several Event Annoucements

Posted on September 11, 2012 by

These are just some announcements of upcoming events in which I am involved in a varying degree. The first two will be take place at RWTH Aachen University and attendance is free of charge, the second is part of the … Continue reading →

Posted in OpenMP, Windows-HPC, NUMA, C++, Future of HPC | Tagged , , , , , , , , , , | Leave a comment

The Design of OpenMP Thread Affinity

Posted on June 21, 2012 by

Exascale machines will employ significantly more threads than today, but even on current architectures controlling thread affinity is crucial to fuel all the cores and to maintain data affinity, but both MPI and OpenMP lack a solution to this problem … Continue reading →

Posted in NUMA, OpenMP | Tagged , , , , , | 2 Comments

OpenMP 3.1 spec published as Draft for Public Comment

Posted on February 9, 2011 by

You might have heard it already: The next incarnation of the OpenMP specification, which is targeted to be released as version 3.1 around June in time for IWOMP 2011 in Chicago, has been published as a Draft for Public Comment. … Continue reading →

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Examining the NUMA architecture of a 8-socket Nehalem-EX

Posted on October 18, 2010 by

I have been rather quiet on this blog for some while now, which is opposite to my intent – I plan to write more regularly again! And I will just continue with one of the topics I like most: NUMA … Continue reading →

Posted in NUMA, OpenMP | Tagged , | 2 Comments

Daily cc-NUMA Craziness

Posted on December 2, 2009 by

Since cc-NUMA architectures have become ubiquitous in the x86 server world, it is very important to optimize memory and thread or process placement, especially for Shared-Memory parallelization. In doing so I was pretty successful in optimizing several of our user … Continue reading →

Posted in NUMA, OpenMP | Tagged , , , | 4 Comments

How to kill OpenMP by 2011 ?!

Posted on November 21, 2008 by

When I was asked to give an answer to the question of How to kill OpenMP by 2011 during the OpenMP BoF panel discussion at SC08, I decided against listing the most prominent issues and challenges OpenMP is facing. It … Continue reading →

Posted in OpenMP | Tagged , , , | 4 Comments