[Mesa-dev] [PATCH] radv/ac: enable loop unrolling.
arsenm2 at gmail.com
Fri Feb 24 18:20:06 UTC 2017
> On Feb 24, 2017, at 01:45, Marek Olšák <maraeo at gmail.com> wrote:
> The main requirement is that if there is indirect indexing inside a
> loop, we always want to unroll the whole loop to get rid of the
> indexing, which can decrease scratch usage.
We boost the unroll thresholds when there is private memory indexed by the induction variable. See AMDGPUTTIImpl::getUnrollingPreferences
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