<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>On 22 Mar 2013, at 20:24, Vincent Diepeveen wrote:</div><div><br class="Apple-interchange-newline"><blockquote type="cite"><div>We were discussing APU's and the fact that single precision benchmarks get used in general now which makes me<br>think that the APU's can't do double precision in the GPU that's built in into the silicon and also that it's without ECC.<br></div></blockquote><div><br></div>Sorry, I missed the original context (as, clearly had others, since I didn't start the discussion of Phi in this thread).</div><div><br><blockquote type="cite"><div>Obviously being a highend product *no one doubts* that Xeon Phi has ECC :)<br><br>I thought let's make some noise and sure someone directly bites for the Xeon Phi.<br>Now also say a word on the APU's please and their double precision capability :)<br></div></blockquote></div><br><div>Alas, I know nothing about the performance of the on-die graphics processors. </div><div>It seems to me, though, that since they're on the die they'll be accessing memory </div><div>though the same interface as the other cores on the die, and therefore will have ECC</div><div>if that memory interface has it.</div><div><br></div><div>I do know that the OpenCL SDK is available for free (as in beer) if you want to play around</div><div>and run your own benchmarks.</div><div><br></div><div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">--</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">-- Jim</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">--</font></div><div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><font face="Helvetica" size="3" style="font: normal normal normal 12px/normal Helvetica; ">James Cownie <<a href="mailto:jcownie@cantab.net">jcownie@cantab.net</a>></font></div><br></div></body></html>