&gt; <i>It seems like a bigger issue is that GPU memory is not virtualized and all users get access to the same memory. It&#x27;s as if three decades of understanding the utility of virtual memory were forgotten.</i><p>I think you&#x27;re forgetting the most important thing here - GPUs are meant to be <i>fast</i>. Virtualization will add like what, an order of magnitude to the access times?