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81 changes: 81 additions & 0 deletions
81
...rch-model-zoo/src/test/java/ai/djl/pytorch/zoo/nlp/textgeneration/TextGenerationTest.java
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| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Copyright 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance | ||
| * with the License. A copy of the License is located at | ||
| * | ||
| * http://aws.amazon.com/apache2.0/ | ||
| * | ||
| * or in the "license" file accompanying this file. This file 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. | ||
| */ | ||
| package ai.djl.pytorch.zoo.nlp.textgeneration; | ||
|
|
||
| import ai.djl.ModelException; | ||
| import ai.djl.inference.Predictor; | ||
| import ai.djl.modality.nlp.generate.CausalLMOutput; | ||
| import ai.djl.ndarray.NDArray; | ||
| import ai.djl.ndarray.NDList; | ||
| import ai.djl.ndarray.NDManager; | ||
| import ai.djl.ndarray.types.Shape; | ||
| import ai.djl.nn.Block; | ||
| import ai.djl.nn.LambdaBlock; | ||
| import ai.djl.repository.zoo.Criteria; | ||
| import ai.djl.repository.zoo.ZooModel; | ||
| import ai.djl.translate.TranslateException; | ||
|
|
||
| import org.testng.Assert; | ||
| import org.testng.annotations.Test; | ||
|
|
||
| import java.io.IOException; | ||
| import java.nio.file.Files; | ||
| import java.nio.file.Path; | ||
| import java.nio.file.Paths; | ||
|
|
||
| public class TextGenerationTest { | ||
|
|
||
| @Test | ||
| public void testGpt2() throws TranslateException, ModelException, IOException { | ||
| Block block = | ||
| new LambdaBlock( | ||
| a -> { | ||
| NDList list = new NDList(25); | ||
| NDManager manager = a.getManager(); | ||
| NDArray arr = manager.full(new Shape(1, 4, 50257), 257); | ||
| list.add(arr); | ||
|
|
||
| for (int i = 0; i < 12 * 2; ++i) { | ||
| NDArray array = manager.zeros(new Shape(1, 12, 1, 64)); | ||
| list.add(array); | ||
| } | ||
| return list; | ||
| }, | ||
| "model"); | ||
|
|
||
| Path modelDir = Paths.get("build/text_generation"); | ||
| Files.createDirectories(modelDir); | ||
|
|
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| Criteria<NDList, CausalLMOutput> criteria = | ||
| Criteria.builder() | ||
| .setTypes(NDList.class, CausalLMOutput.class) | ||
| .optModelPath(modelDir) | ||
| .optBlock(block) | ||
| .optOption("hasParameter", "false") | ||
| .optTranslatorFactory(new PtGptTranslatorFactory()) | ||
| .build(); | ||
|
|
||
| try (ZooModel<NDList, CausalLMOutput> model = criteria.loadModel(); | ||
| Predictor<NDList, CausalLMOutput> predictor = model.newPredictor(); | ||
| NDManager manager = NDManager.newBaseManager()) { | ||
| long[][] inputIds = {{29744, 28478, 5834, 318}}; | ||
| NDArray input = manager.create(inputIds); | ||
| CausalLMOutput res = predictor.predict(new NDList(input)); | ||
| NDArray logits = res.getLogits(); | ||
| Assert.assertEquals(logits.argMax().getLong(), 257); | ||
| NDList list = res.getPastKeyValuesList(); | ||
| Assert.assertEquals(list.size(), 24); | ||
| Assert.assertEquals(res.getHiddenState().getShape().get(0), 1); | ||
| } | ||
| } | ||
| } |
16 changes: 16 additions & 0 deletions
16
...h/pytorch-model-zoo/src/test/java/ai/djl/pytorch/zoo/nlp/textgeneration/package-info.java
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| /* | ||
| * Copyright 2023 Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance | ||
| * with the License. A copy of the License is located at | ||
| * | ||
| * http://aws.amazon.com/apache2.0/ | ||
| * | ||
| * or in the "license" file accompanying this file. This file 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. | ||
| */ | ||
| /** | ||
| * Contains unit test classes for text generation. | ||
| */ | ||
| package ai.djl.pytorch.zoo.nlp.textgeneration; |
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