A RISC-V accelerator card runs a 2D FFT slower than a 24-core Xeon CPU but uses about 3.6 times less energy in the authors' measurements.
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Exploring Fast Fourier Transforms on the Tenstorrent Wormhole
A RISC-V accelerator card runs a 2D FFT slower than a 24-core Xeon CPU but uses about 3.6 times less energy in the authors' measurements.