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I'm trying to use 16 bit floats for matrix multiplication on x86-64. I found solutions for ARM and some NVIDIA GPUs but none for any X86-64 chips. Any pointers in this direction would be helpful.

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Here is a little sample code I threw together, it shows the whole cycle, from conversion to half-floats to the conversion back to floats and performing a simple multiplication of the values:

https://godbolt.org/z/FYu_rK

Hope it helps.

Thank you.

https://github.com/google/gemmlowp

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