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Call for Papers, Presentations, Workshops and Posters for IWOCL in Stanford

The IWOCL 2015 call for OpenCL Papers is now open and is looking for submissions from industry and academia relating to the use of OpenCL.  Submissions may refer to completed projects or those currently in progress and are invited in the form of: Research Papers Technical Presentations Workshops and Tutorials Posters Examples of sessions from 2014 can be […]

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We sponsor HiPEAC again this year

HiPEAC is an academic oriented, 3-day, international conference around HPC, compilers and processors. Last year was in Vienna, this year in Amsterdam – where StreamComputing also is based. That was an extra reason to go for silver sponsorship, besides I find this conference very important. Compilers have the job to do magic. Last year I […]

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How to introduce HPC in your enterprise

The past ten years we have been happy when we got back home from the office. Our home-computer was simply faster, had more software and did not take over 10 minutes to boot. Office-computers can be that slow, because 90% of the work is typing documents. If we look to graphics design, we see totally […]

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AMD now leads the Green500

With SC14 behind us, there are a few things I’d like to share with you. I’d like to start with the biggest win for OpenCL: AMD leading in the most power-efficient GPU-cluster. A few months ago I wrote a theoretical article on how to build the cheapest and greenest supercomputer to enter the Top500 and […]

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What does Khronos has more to offer than OpenCL and OpenGL?

The OpenCL standard is from the not-for-profit industry consortium Khronos Group. But they do a lot more, like the famous standard OpenGL for graphics. Focus of the group has always been on multimedia and getting the fastest results out of the hardware. Now open source and open standards are getting more important, collabroations like the […]

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Starting with GROMACS and OpenCL

Now that GROMACS has been ported to OpenCL, we would like you to help us to make it better. Why? It is very important we get more projects ported to OpenCL, to get more critical mass. If we only used our spare resources, we can port one project per year. So the deal is, that […]

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Why this new AMD FirePro Cluster is important for OpenCL

Then it hit the doormat: “AMD is proud to collaborate with ASUS, the Frankfurt Institute for Advanced Studies, (FIAS) and GSI to support such important physics and computer science research,” said David Cummings, senior director and general manager, professional graphics, AMD. “This installation reaffirms AMD’s leading role in HPC with the implementation of the AMD […]

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OpenCL at SC14

During SC14 (SuperComputing Conference 2014), OpenCL is again all over New Orleans. Just like last year, I’ve composed an overview based on info from the Khronos website and the SC2014 website. Finally I’m attending SC14 myself, and will give two talks for you. Tuesday I’ll be part of a 90 minute session of Khronos, where […]

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OpenCL integer rounding in C

Getting about the same code in C and OpenCL has lots of advantages, when maximum optimisations and vectors are not needed. One thing I bumped into myself was that rounding in C++ is different, and decided to implement the OpenCL-functions for rounding in C. The OpenCL-page for rounding describes many, many functions with this line: […]

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Mega-kernel versus Micro-kernels in LuxRender (repost)

Below is a (slightly edited) repost of a blog by David Bucciarelli (homepage, twitter) on the Luxrender forum. I find micro-kernels an important subject, since micro-kernels have clear advantages. In OpenCL 2.0 there are more possibilities to create smaller kernels. Also making smaller and more focused functions is considered good software engineering, defined as “Separation […]

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