Sync from v0.13

tests/quantization/utils.py

@@ -0,0 +1,18 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from vllm.model_executor.layers.quantization import get_quantization_config
+from vllm.platforms import current_platform
+
+
+def is_quant_method_supported(quant_method: str) -> bool:
+    # Currently, all quantization methods require Nvidia or AMD GPUs
+    if not (current_platform.is_cuda() or current_platform.is_rocm()):
+        return False
+
+    capability = current_platform.get_device_capability()
+    assert capability is not None
+
+    min_capability = get_quantization_config(quant_method).get_min_capability()
+
+    return capability.to_int() >= min_capability