Multi-threading webcast

A long while back I was asked to contribute a video that talked about parallelising applications. The final format is a webcast (audio and slides) rather than the expected video. This choice ended up being made to provide the clearest visuals of the slides, plus the smallest download.

I did get the opportunity to do the entire presentation on video - which was an interesting experience. I found it surprisingly hard to present to just a camera - I think the contrast with presenting to an audience is that you can look around the room and get feedback as to the appropriate level of energy to project. A video camera gives you no such feedback, and worse, there's no other place to look. Still I was quite pleased with the final video. The change to a webcast was made after this, so the audio from the video was carried over, and you still get to see about 3 seconds of the original film, but the rest has gone. I also ended up reworking quite a few of the slides - adding animation to clarify some of the topics.

The topics covered at a break-neck pace are, parallelising using Pthreads and OpenMP. Autoparallelisation by the compiler. Profiling parallel applications. Finally, detecting data races using the thread analyzer.

Comments:

[Trackback] With code examples.

Posted by Marina Sum's Blog on December 04, 2007 at 03:25 AM PST #

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About

Darryl Gove is a senior engineer in the Solaris Studio team, working on optimising applications and benchmarks for current and future processors. He is also the author of the books:
Multicore Application Programming
Solaris Application Programming
The Developer's Edge

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