Tuesday, 15 May 2012

Upgraded to CUDA 5...302.06.03

I recently wrote about how your mileage might vary between the use of mapped and manual buffers...I just updated my kernel to use the latest pre-release NVIDIA driver and reran the tests again to see the effect. Unfortunately, it's not good news...the gap appears to widen! What's going on with mapped memory?
Before...



After....

at

1 comment:

  1. Anonymous17 May 2012 at 23:59

    Hi Ed,
    This is a comment from NVIDIA. We saw your problem with driver 302.06.03. We want to see what happened in your case. Could you please provide system configuration and a reproducible code? You can contact me at ryluo@nvidia.com if possible.

    Thanks,
    Ryan

    ReplyDelete

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