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[ROCm][FP8] Fix for adjustments needed only for fnuz (#14689)

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Signed-off-by: Gregory Shtrasberg <Gregory.Shtrasberg@amd.com>
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Gregory Shtrasberg 2025-03-12 23:14:04 -04:00 committed by GitHub
parent ab426ec9c0
commit a94a699c3f
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1 changed files with 2 additions and 2 deletions
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vllm/model_executor/layers/quantization/kv_cache.py
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@ -50,7 +50,7 @@ class BaseKVCacheMethod(QuantizeMethodBase):
# We prefer to use separate k_scale and v_scale if present
k_scale = layer.k_scale.to("cpu").tolist()
v_scale = layer.v_scale.to("cpu").tolist()
if current_platform.is_rocm():
if current_platform.is_fp8_fnuz():
k_scale *= 2
v_scale *= 2
elif layer.k_scale < 0.0 and layer.v_scale < 0.0:
@ -66,7 +66,7 @@ class BaseKVCacheMethod(QuantizeMethodBase):
scale_to_duplicate = max(layer.k_scale, layer.v_scale)
k_scale = scale_to_duplicate.to("cpu").tolist()
v_scale = scale_to_duplicate.to("cpu").tolist()
if current_platform.is_rocm():
if current_platform.is_fp8_fnuz():
k_scale *= 2
v_scale *= 2