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Thanks for writeup. Do you see AVX512 or it's successors being able to rival GPUs as the linear algebra champs in the near future?
by RcouF1uZ4gsC 7y ago
Thanks for writeup. Do you see AVX512 or it's successors being able to rival GPUs as the linear algebra champs in the near future?
- glangdale 7y agoThat's exactly the kind of thing I don't really know about. I'm not hostile to that sort of work, I just can't really add any information to it. There's clearly a huge market to building the Biggest Baddest Linear Algebra Engine out there, but I hope that other uses of SIMD don't get neglected.
- thechao 7y agoGPU HW dude, here: I’m not sure of AVX-512’s current fma16 story, but it’s predecessor (LRBni) was terrifyingly good at fma32–much better than contemporary GPUs. The problem with those parts is total power displacement (TDP). The market is really geared to mobile; so, so that became less of an issue. INTC-for-Graphics is hampered by the lack of deep, dedicated latency hiding fixed-function HW. Otherwise, INTC is probably a strict win over any discrete GPU. (Disclaimer: I wrote software rasterizers, drivers, and compilers for Larrabee.)