On 03/10/2014 05:53, Kouhei Kaigai wrote: > Yep, that's my pain. Even though usual query does not take many buffers > pinned, > my use case needs to fetch megabytes scale data at once because of performance > reason; page-by-page synchronous scan makes GPU being idle. Doesn't your GPU have an async queue and exec mechanism? Then you could do an asyn DMA to the GPU with an event, use that event in he GPU to start the kernel and in the DB to release the pin?
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