[Mesa-dev] Problems with accuracy of coeffs_init + attribs_update

Ilia Mirkin imirkin at alum.mit.edu
Thu Oct 29 12:02:43 PDT 2015

On Thu, Oct 29, 2015 at 2:44 PM, Oded Gabbay <oded.gabbay at gmail.com> wrote:
> However, I would hate to keep the situation as is, meaning the test
> passes on x86-64 and fails on ppc64le.

Sounds like it'd actually be a difference between AVX and SSE4.2 as
well -- what happens if you run on your x86_64 chip with
LP_NATIVE_VECTOR_WIDTH=128 ? It fails for me on my HSW chip, looking
at the results visually it's mostly good but there's a sprinkling of
red pixels.


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