[kernel] Fix position ids in rope (#3173)

sgl-kernel/pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "sgl-kernel"
-version = "0.0.2.post19"
+version = "0.0.2.post20"
 description = "Kernel Library for SGLang"
 readme = "README.md"
 requires-python = ">=3.9"

sgl-kernel/src/sgl-kernel/ops/__init__.py

@@ -51,7 +51,7 @@ def apply_rope_with_cos_sin_cache_inplace(
         raise ValueError("cos_sin_cache should be float32")
 
     with query.device as device:
-        pos_ids = pos_ids.int()
+        positions = positions.int()
         torch.ops.sgl_kernels.apply_rope_pos_ids_cos_sin_cache(
             q=query.view(query.shape[0], -1, head_size),
             k=key.view(key.shape[0], -1, head_size),

sgl-kernel/tests/test_rotary_embedding.py

@@ -196,3 +196,7 @@ def test_correctness(
         query_ref_out, query_flashinfer_out, atol=1e-2, rtol=1e-2
     )
     torch.testing.assert_close(key_ref_out, key_flashinfer_out, atol=1e-2, rtol=1e-2)
+
+
+if __name__ == "__main__":
+    pytest.main([__file__])

sgl-kernel/version.py

-__version__ = "0.0.2.post19"
+__version__ = "0.0.2.post20"