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[Kernel] Disable CUTLASS kernels for fp8 #5505

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merged 2 commits into from
Jun 13, 2024
Merged

[Kernel] Disable CUTLASS kernels for fp8 #5505

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16e7410
disable instead of reverting
tlrmchlsmth Jun 13, 2024
d3a452c
Appease format.sh
tlrmchlsmth Jun 13, 2024
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4 changes: 3 additions & 1 deletion vllm/model_executor/layers/quantization/fp8.py
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Original file line number Diff line number Diff line change
Expand Up @@ -257,7 +257,9 @@ def apply(self,
# If dynamic, layer.input_scale is None and x_scale computed from x.
# If static, layer.input_scale is scalar and x_scale is input_scale.

if bias is None and self.cutlass_fp8_supported:
# Temporarily disable CUTLASS kernels due to an illegal memory access
#if bias is None and self.cutlass_fp8_supported:
if False:
qinput, x_scale = ops.scaled_fp8_quant(x, layer.input_scale)

# Fused GEMM_DQ
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