64 lines
2.5 KiB
Java
64 lines
2.5 KiB
Java
/*
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* ******************************************************************************
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* *
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* *
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* * This program and the accompanying materials are made available under the
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* * terms of the Apache License, Version 2.0 which is available at
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* * https://www.apache.org/licenses/LICENSE-2.0.
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* *
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* * See the NOTICE file distributed with this work for additional
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* * information regarding copyright ownership.
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* * Unless required by applicable law or agreed to in writing, software
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* * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* * License for the specific language governing permissions and limitations
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* * under the License.
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* *
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* * SPDX-License-Identifier: Apache-2.0
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* *****************************************************************************
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*/
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import org.nd4j.python4j.Python;
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import org.nd4j.python4j.PythonGC;
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import org.nd4j.python4j.PythonGIL;
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import org.nd4j.python4j.PythonObject;
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import org.junit.Assert;
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import org.junit.Test;
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import org.nd4j.linalg.factory.Nd4j;
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import javax.annotation.concurrent.NotThreadSafe;
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@NotThreadSafe
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public class PythonNumpyGCTest {
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@Test
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public void testGC() {
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try(PythonGIL pythonGIL = PythonGIL.lock()) {
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PythonObject gcModule = Python.importModule("gc");
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PythonObject getObjects = gcModule.attr("get_objects");
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PythonObject pyObjCount1 = Python.len(getObjects.call());
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long objCount1 = pyObjCount1.toLong();
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PythonObject pyList = Python.list();
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pyList.attr("append").call(new PythonObject(Nd4j.linspace(1, 10, 10)));
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pyList.attr("append").call(1.0);
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pyList.attr("append").call(true);
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PythonObject pyObjCount2 = Python.len(getObjects.call());
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long objCount2 = pyObjCount2.toLong();
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long diff = objCount2 - objCount1;
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Assert.assertTrue(diff > 2);
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try(PythonGC gc = PythonGC.watch()){
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PythonObject pyList2 = Python.list();
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pyList2.attr("append").call(new PythonObject(Nd4j.linspace(1, 10, 10)));
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pyList2.attr("append").call(1.0);
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pyList2.attr("append").call(true);
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}
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PythonObject pyObjCount3 = Python.len(getObjects.call());
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long objCount3 = pyObjCount3.toLong();
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diff = objCount3 - objCount2;
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Assert.assertTrue(diff <= 2);// 2 objects created during function call
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}
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}
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}
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