add qwen3

vllm-v0.6.2/tests/distributed/test_pipeline_partition.py

@@ -0,0 +1,34 @@
+import os
+
+import pytest
+
+from vllm.distributed.utils import get_pp_indices
+
+
+def test_custom_layer_partition():
+
+    def _verify(partition_str, num_layers, pp_size, goldens):
+        bak = os.environ.get("VLLM_PP_LAYER_PARTITION", None)
+        os.environ["VLLM_PP_LAYER_PARTITION"] = partition_str
+        for pp_rank, golden in enumerate(goldens):
+            assert get_pp_indices(num_layers, pp_rank, pp_size) == golden
+        if bak is not None:
+            os.environ["VLLM_PP_LAYER_PARTITION"] = bak
+
+    # Even partition
+    _verify("5,5,5,5", 20, 4, [(0, 5), (5, 10), (10, 15), (15, 20)])
+    # Balanced partition
+    _verify("4,6,6,4", 20, 4, [(0, 4), (4, 10), (10, 16), (16, 20)])
+    # Put reminder somewhere
+    _verify("5,6,5,6", 22, 4, [(0, 5), (5, 11), (11, 16), (16, 22)])
+    # Invalid partition strings
+    with pytest.raises(ValueError):
+        _verify("5,5,5,5,", 20, 4, [(0, 5), (5, 10), (10, 15), (15, 20)])
+    with pytest.raises(ValueError):
+        _verify("5,5,5,a", 20, 4, [(0, 5), (5, 10), (10, 15), (15, 20)])
+    # Wrong number of partitions
+    with pytest.raises(ValueError):
+        _verify("5,5,5", 20, 4, [(0, 5), (5, 10), (10, 15), (15, 20)])
+    # Wrong number of layers
+    with pytest.raises(ValueError):
+        _verify("5,5,5,5", 21, 4, [(0, 5), (5, 10), (10, 15), (15, 20)])