<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>GrADS in its current form does not support multi-threading. The thing to do is have multiple instances of GrADS running at the same time. Divide your chart rendering into sections and generate images in parallel. </div><div>--Jennifer</div><div><br></div><div><br></div><div><br></div><div>On Aug 24, 2009, at 4:17 AM, Stefan Gofferje wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi all,<br><br>I have a new machine for my chart rendering which has a AMD Phenom<br>triple core processor and I'm using the grads-2.0.a6-bin-RHEL4-x86_64<br>package from IGES FTP.<br>The normal load of the machine is 3 when GrADS is not running and 4 when<br>the rendering runs. According to my statistics, the CPU load never goes<br>over 30-something percent when GrADS is running. That makes me suppose<br>that GrADS does not support multithreading.</div></blockquote></div><div><blockquote type="cite"><div><br>Stats:<br><a href="http://www.saakeskus.fi/images/kload.png">http://www.saakeskus.fi/images/kload.png</a><br>http://www.saakeskus.fi/images/kcpustat.png<br><br>As chart-rendering is a very CPU-intensive thing, I think,<br>multithreading would be a very practical thing as most modern machines<br>have multicore CPUs... Especially if you are rendering roughly 3500<br>charts every 6 hours :).</div></blockquote></div><div><blockquote type="cite"><div>Terve,<br>Stefan<br><br>--<br>Last words of a stormchaser:<br>"Where is that rotation on the radar?!"<br></div></blockquote></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span></div></span> </div><br></body></html>