<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Arial; font-size: 12pt; color: #000000'><br><br><br><br>David Mathog <mathog@caltech.edu> wrote:<br><br>>Jon Forrest <jlforrest@berkeley.edu> wrote:<br>><br>>> Are there any other issues I'm leaving out?<br>><br>>Yes, the time and expense of rewriting your code from a CPU model to a<br>>GPU model, and the learning curve for picking up this new skill. (Unless<br>>you are lucky and somebody has already ported the software you use.)<br><br>Coming in on this late, but to reduce this work load there is PGI's version<div>10.0 compiler suite which supports accelerator compiler directives. This</div><div>will reduce the coding effort, but probably suffer from the classical "if it is</div><div>easy, it won't perform as well" trade-off. My experience is limited, but</div><div>a nice intro can be found at:</div><div><br></div><div>http://www.pgroup.com/lit/articles/insider/v1n1a1.htm</div><div><br></div><div>You might also inquire with PGI about their SC09 course and class notes</div><div>or Google for them.</div><div><br></div><div>rbw</div><div><br></div><div>_______________________________________________<br>Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing<br>To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf<br></div></div></body></html>