Modders unlock hidden AI power on Nvidia RTX 20-, 30-, and 40-series GPUs, nearly doubling some benchmarks

The limit lives in the tensor cores. When they multiply FP16 or BF16 numbers and add up the results in higher-precision FP32, GeForce cards issue those instructions at half the rate of the FP16-accumulate mode. That FP32 mode is the one most training and…

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