memory-bound operations
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Software FP8 for GPUs: 3x Speedup on Memory Operations
Read Full Article: Software FP8 for GPUs: 3x Speedup on Memory Operations
A workaround has been developed to enable FP8 support on GPUs that lack native hardware support, such as the RTX 3050. This method involves packing lower-precision values into FP32 using bitwise operations and Triton kernels, resulting in a threefold speed increase on memory-bound operations like GEMV and FlashAttention. The solution is compatible with a wide range of GPUs, including the RTX 30/20 series and older models. Although still in the early stages, it is functional and open for feedback from the community. This matters because it offers a significant performance boost for users with older or less advanced GPUs, expanding their capabilities without requiring hardware upgrades.
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