[Mesa-dev] soft fp64 on evergreen

Thomas Helland thomashelland90 at gmail.com
Fri May 26 10:16:53 UTC 2017


2017-05-26 8:13 GMT+02:00 Dave Airlie <airlied at gmail.com>:
> Hi Elie,
>
> Thanks for the fp64 work.
>
> I've pulled the latest branch from your repo and start running piglit
> on a BARTS (r600g) GPU.
>
> I've noticed a few asserts with a debug build in ir_validate, do you
> test with --enable-debug?
>
> I also notice some really large times in the GLSL->TGSI pass copy
> propogation on mul/div tests with matrices, tests take a fair while to
> complete.
>

Unrelated to this I have noticed on some profiles when using nvc0
that the GLSL->TGSI passes are quite painful on compile times.
Especially copy propagation shows up as a big one.
Not sure if there is some easy gains to be had here as I haven't
looked at the pass at all.

> Just wondering if you've seen anything like this?
>
> Dave.
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