<div dir="ltr">Hi,<div><br><div>If you're using XenAPI then the good news is that GPU passthrough is implemented [1] and it works with NVIDIA. I've copied Guillaume that developed and tested the feature, he may be able to provide more details.</div><div>I know at least that Guillaume had difficulties to do GPU passthrough with NVIDIA cards and libvirt/KVM.</div><div><br></div><div>BR,</div><div>Simon</div><div><br></div><div>[1] <a href="https://blueprints.launchpad.net/nova/+spec/pci-passthrough-xenapi">https://blueprints.launchpad.net/nova/+spec/pci-passthrough-xenapi</a></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-02 12:49 GMT+02:00 Jake Carroll <span dir="ltr"><<a href="mailto:zebra.x0r@gmail.com" target="_blank">zebra.x0r@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px">Hi.</div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px"><br></div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px">I’m interested in accelerated high throughput microscopy workloads involving deconvolution using stream processors via CUDA interfaces to GPU’s.</div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px"><br></div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px">Last I checked, things were not going all that well in terms of GPU inside instances:</div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px"><br></div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px"><a href="https://review.openstack.org/#/c/32803/" target="_blank">https://review.openstack.org/#/c/32803/</a></div><div style="color:rgb(0,0,0);font-family:Calibri,sans-serif;font-size:14px"><br></div><div>I got the impression that the direction being pushed was that a more cohesive or heterogenous use of SRIOV for <span style="font-weight:bold">all</span> PCI based devices was being considered instead, as opposed to just GPU.</div><div><br></div><div>Could someone give me a brief explanation as to where we sit with virtualised GPU inside instances? For sake of argument, it could be a Xen or a KVM guest. Whatever. Either way.</div><div><br></div><div>Thank you.</div><div><br></div><div>-z</div></div>
<br>_______________________________________________<br>
Mailing list: <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br>
Post to : <a href="mailto:openstack@lists.openstack.org">openstack@lists.openstack.org</a><br>
Unsubscribe : <a href="http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack" target="_blank">http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack</a><br>
<br></blockquote></div><br></div>