<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Hi Shasta,</div><div class=""><br class=""></div>ChimeraX has no way to select which GPU it uses. The operating system or opengl driver decides. You didn't mention which operating system you are using. Here is an example of how to set the default OpenGL GPU in Windows.<div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="https://www.techadvisor.co.uk/how-to/pc-components/how-set-default-graphics-card-3612668/" class="">https://www.techadvisor.co.uk/how-to/pc-components/how-set-default-graphics-card-3612668/</a></div><div class=""><br class=""></div><div class=""> Tom</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Nov 23, 2020, at 2:38 PM, Shasha Feng <<a href="mailto:shaalltime@gmail.com" class="">shaalltime@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class=""><div class="">Hi,</div><div class=""><br class=""></div><div class="">Is there any way to specify which GPU device for ChimeraX to run on? Currently, it uses the default GPU 0, which can disturb the existing jobs. Thanks.</div><div class=""><br class=""></div><div class="">Best,</div><div class="">Shasha</div><div class=""><br class=""></div></div>
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