近年来AI的爆发深刻影响了芯片发展方向,NVIDIA将AI性能置于核心地位,推动计算精度从FP64、FP32向FP16、FP8及FP4持续降低。以Blackwell架构为例,其重点推广的NVFP4标准在保持精度损失极小的前提下,使GB300显卡性能提升50%,内存占用减少2-3倍,能效提升达50倍。然而这种转变引发科学计算领域担忧——H100到B300系列FP64性能从34TFLOPS骤降至1.2...
Source Link近年来AI的爆发深刻影响了芯片发展方向,NVIDIA将AI性能置于核心地位,推动计算精度从FP64、FP32向FP16、FP8及FP4持续降低。以Blackwell架构为例,其重点推广的NVFP4标准在保持精度损失极小的前提下,使GB300显卡性能提升50%,内存占用减少2-3倍,能效提升达50倍。然而这种转变引发科学计算领域担忧——H100到B300系列FP64性能从34TFLOPS骤降至1.2...
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