Pretty sure most frameworks support &quot;one weird trick&quot; style learning.<p>Eg Caffe: <a href="https:&#x2F;&#x2F;github.com&#x2F;BVLC&#x2F;caffe&#x2F;blob&#x2F;master&#x2F;docs&#x2F;multigpu.md" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;BVLC&#x2F;caffe&#x2F;blob&#x2F;master&#x2F;docs&#x2F;multigpu.md</a>