[Intel-gfx] [PATCH 0/4 v2] Nonblocking maps
daniel at ffwll.ch
Sun Sep 25 03:21:42 PDT 2011
On Fri, Sep 23, 2011 at 05:36:13PM -0700, Ben Widawsky wrote:
> With the posted benchmark, there are significant improvements on Gen5
> with a very synthetic test meant to test unnecessary blocking on
> architectures. The test is posted in the series for reference, but isn't
> actually useful in it's current form other than to prove there is a
> potential performance improvement. The test shows no performance
> regression on Gen6.
This concerns me a wee bit. With proper tuning for your synthetic test,
it should be possible to see almost unbounded speedups. Can you look some
more into this?
Mail: daniel at ffwll.ch
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