I know of only one GPGPU engine, Zeta Dva of Srdja Matovic (meanwhile discontinued). It is fairly weak and can't compete with engines running on x64 hardware.
Others have tried and failed. For various reasons, GPUs suck at chess.
CUDA compatible engines
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Hi All,
Does anyone know of any CUDA compatible chess engines?
We've come a long way, but surely this is still just the beginning.