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Note that AVX512 actually addresses many of the issues that made SIMT code so inefficient on CPUs. It's not just widening the vectors, but also adding predicati

by gcp 10y ago

Note that AVX512 actually addresses many of the issues that made SIMT code so inefficient on CPUs. It's not just widening the vectors, but also adding predication/masking etc. I do fully agree that SIMT is a much easier programming model than SIMD.

m_mueller 10y ago
Interesting, TIL. How good is the support for OpenCL on AVX512 processors?
- gcp 10y ago
  So far that's only Knights Landing and friends, but they do seem well supported.