Here are a couple more resources where the lead gives a bit more description:<p><a href="http:&#x2F;&#x2F;on-demand.gputechconf.com&#x2F;gtc&#x2F;2015&#x2F;presentation&#x2F;S5276-Kohei-KaiGai.pdf" rel="nofollow">http:&#x2F;&#x2F;on-demand.gputechconf.com&#x2F;gtc&#x2F;2015&#x2F;presentation&#x2F;S5276...</a><p><a href="http:&#x2F;&#x2F;www.slideshare.net&#x2F;kaigai&#x2F;gpgpu-accelerates-postgresql" rel="nofollow">http:&#x2F;&#x2F;www.slideshare.net&#x2F;kaigai&#x2F;gpgpu-accelerates-postgresq...</a><p>edit: 
His slideshare page <a href="http:&#x2F;&#x2F;www.slideshare.net&#x2F;kaigai" rel="nofollow">http:&#x2F;&#x2F;www.slideshare.net&#x2F;kaigai</a> has even more recent presentations. I&#x27;ve only had time to skim much of slides, but it seems he&#x27;s flip-flopped a couple of times between OpenCL and CUDA