shunping commented on code in PR #34612:
URL: https://github.com/apache/beam/pull/34612#discussion_r2205060894


##########
sdks/python/apache_beam/ml/inference/tensorflow_inference_test.py:
##########
@@ -128,7 +128,8 @@ def test_predict_tensor_with_batch_size(self):
     model = _create_mult2_model()
     model_path = os.path.join(self.tmpdir, f'mult2_{uuid.uuid4()}.keras')
     tf.keras.models.save_model(model, model_path)
-    with TestPipeline() as pipeline:
+    # FnApiRunner guarantees large batches, which this pipeline assumes

Review Comment:
   This could be due to the fact that prism is using accelerated processing 
time by default. The processing-time timer in BatchElements may not work as 
expected.
   
   PR #35202 adds an experimental flag for using real-time processing time, 
which may help to resolve this problem.



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