All technical blog posts written by people of the Stream HPC team.
From 12 to 14 June StreamHPC will give a 3-day course in OpenCL (was 3 to 5 June). Here you will learn how to develop OpenCL-programs. A separate ticket for only the first day can be bought, as then will be a crash-course into OpenCL. Module basics. The second and third day will all about
12-14 June: OpenCL Training Amsterdam Read More »
On the 20th of April 2013 there was an interesting discussion between Jan Gray and David Kanter. Jan is a specialist in C++ and FPGAs (twitter, homepage). David is a specialist in CPU and GPU architectures (twitter, homepage). Both know their ways well in the field of semiconductors. It is always a joy to follow their short
Scaling mobile GPUs to 1000 GFLOPS Read More »
WebCL is a great technique to have compute-power in the browser. After WebGL which gives high-end graphics in the browser, this is a logical step on the road towards the browser-only operating system (like Chrome OS, but more will follow). Another way to look at technologies like WebCL, is that it makes it possible to
Q&A with Adrien Plagnol and Frédéric Langlade-Bellone on WebCL Read More »
Embedded processors always have had the focus on low-energy. Now a combination of Moore’s law, the frequency-wall and multi-processor developments have made it possible for these processors to compete in completely new market segments. Most notable due to impressive advancements in graphics IP.We are now looking at four groups who are interested in learning from
LEAP-conference call for papers Read More »
In OpenCL large memory objects, residing in the main memory of the host or the global memory at the accelerator/GPU, need special treatment. First reason is that these memories are relatively slow. Second reason is that the most times serial copy of objects between these two memories take time. In this post I’d like to
OpenCL Basics: Flags for the creating memory objects Read More »
For more information on the program, contact us. For information on sponsoring, contact Tim Lewis of CroftEdge. Website with more info and ticket-sales will open 1 February.
Low-Energy Application Parallelism (LEAP) conference in London Read More »
HiPEAC is the conference on “High-performance and Embedded Architectures and Compilers” to be held on 20 to 22 January in Berlin – tickets are still available, if you can spare three days. I (Vincent Hindriksen) would like to share the program I’m doing. Edit: I met great people here and hope to see you next
StreamHPC is at HiPEAC, Berlin Read More »
Important: this article was written before Intel “Haswell” and AMD “Richland” architectures came out. So you want to start developing for OpenCL? When you focus on developing OpenCL for X86, you have these three options: CPUs, GPUs and CPUs with and embedded GPU. This article is for you and represents the current state of hardware – if you
X86-workstation buying guide for OpenCL developers, Q1 2013 Read More »
Every now and then I read stories on Bitcoins (Wikipedia-article), as GPUs are used a lot to “mine” Bitcoins. They have some extensive benchmarks, and also their discussions giving me insights in specific parts of accelerators like GPUs. Also is this group very upwards if it comes to accepting new techniques. Today something changed: they
The entanglement of Bitcoins and compute-capabilities Read More »
Say you have some data that needs to be used as input for a larger kernel, but needs a little preparation to get it aligned in memory (small kernel and random reads). Unluckily the efficiency of such kernel is very low and there is no speed-up or even a slowdown. When programming a GPU it
The OpenCL power: offloading to the CPU (AVX+SSE) Read More »