viiccwen commented on code in PR #943:
URL: https://github.com/apache/mahout/pull/943#discussion_r2725610231


##########
Makefile:
##########
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Detect NVIDIA GPU
+HAS_NVIDIA := $(shell command -v nvidia-smi >/dev/null 2>&1 && echo yes || 
echo no)

Review Comment:
   Checking only for `nvidia-smi` in `PATH` can give false positives in 
CI/containers. Consider also verifying that nvidia-smi can actually enumerate 
GPUs (e.g. via `nvidia-smi -L`).



##########
Makefile:
##########
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Detect NVIDIA GPU
+HAS_NVIDIA := $(shell command -v nvidia-smi >/dev/null 2>&1 && echo yes || 
echo no)
+
+test_rust:
+ifeq ($(HAS_NVIDIA),yes)
+       cd qdp && cargo test
+else
+       @echo "No NVIDIA GPU detected, skipping test_rust"
+endif
+
+test_python:
+       uv sync --group dev
+ifeq ($(HAS_NVIDIA),yes)
+       unset CONDA_PREFIX && uv run --active maturin develop --manifest-path 
qdp/qdp-python/Cargo.toml
+else
+       @echo "No NVIDIA GPU detected, skipping maturin develop"

Review Comment:
   Add prefix would be better.
   ```bash
   @echo "[SKIP] No NVIDIA GPU detected, skipping maturin develop"
   ```



##########
Makefile:
##########


Review Comment:
   may need to add `.PHONY`
   
   ```makefile
   .PHONY: test_rust test_python tests pre-commit
   ```



##########
Makefile:
##########
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Detect NVIDIA GPU
+HAS_NVIDIA := $(shell command -v nvidia-smi >/dev/null 2>&1 && echo yes || 
echo no)
+
+test_rust:
+ifeq ($(HAS_NVIDIA),yes)
+       cd qdp && cargo test
+else
+       @echo "No NVIDIA GPU detected, skipping test_rust"

Review Comment:
   Add prefix would be better.
   ```bash
   @echo "[SKIP] No NVIDIA GPU detected, skipping test_rust"
   ```



##########
Makefile:
##########
@@ -0,0 +1,40 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Detect NVIDIA GPU
+HAS_NVIDIA := $(shell command -v nvidia-smi >/dev/null 2>&1 && echo yes || 
echo no)
+
+test_rust:
+ifeq ($(HAS_NVIDIA),yes)
+       cd qdp && cargo test
+else
+       @echo "No NVIDIA GPU detected, skipping test_rust"
+endif
+
+test_python:
+       uv sync --group dev

Review Comment:
   separate `uv sync --group dev` into single cmd `setup`, then call it in 
`test_python`, `pre-commit`.



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