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[Bugfix] Enforce contiguous input for dynamic_per_token FP8/INT8 quant #19452

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Merged
merged 1 commit into from
Jun 12, 2025
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[Bugfix] Enforce contiguous input for dynamic_per_token FP8/INT8 quant #19452

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6 changes: 3 additions & 3 deletions vllm/_custom_ops.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1267,7 +1267,7 @@ def scaled_fp8_quant(
device=input.device,
dtype=torch.float32)
torch.ops._C.dynamic_per_token_scaled_fp8_quant(
output, input, scale, scale_ub)
output, input.contiguous(), scale, scale_ub)
else:
scale = torch.zeros(1, device=input.device, dtype=torch.float32)
torch.ops._C.dynamic_scaled_fp8_quant(output, input, scale)
Expand Down Expand Up @@ -1376,8 +1376,8 @@ def scaled_int8_quant(
dtype=torch.float32)
input_azp = None if symmetric else torch.empty_like(input_scales,
dtype=torch.int32)
torch.ops._C.dynamic_scaled_int8_quant(output, input, input_scales,
input_azp)
torch.ops._C.dynamic_scaled_int8_quant(output, input.contiguous(),
input_scales, input_azp)
return output, input_scales, input_azp


Expand Down