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3-D FFT

topic1 events
papersSEP 10 04:00 UTC

FP8 Tensor Cores Can Run Full FP64 3-D FFTs on Blackwell Ultra, Paper Finds

A research paper demonstrates that NVIDIA's Blackwell Ultra B300, which trades sharply reduced FP64 vector throughput for much higher FP8 tensor performance, can still execute full double-precision 3-D FFTs by emulating FP64 arithmetic on FP8 tensor cores using the Ozaki Scheme II approach. The authors identify an 'integer-epilogue wall' that limits such emulation and outline minimal hardware changes that would eliminate it.

fp8/gpu/hpc/blackwell