Exam Professional-Machine-Learning-Engineer Topic 4 Question 352 Discussion

Actual exam question for Google's Professional-Machine-Learning-Engineer exam
Question #: 352
Topic #: 4
You recently developed a deep learning model using Keras, and now you are experimenting with different training strategies. First, you trained the model using a single GPU, but the training process was too slow. Next, you distributed the training across 4 GPUs using tf.distribute.MirroredStrategy (with no other changes), but you did not observe a decrease in training time. What should you do?

Suggested Answer: D Vote an answer

https://www.tensorflow.org/guide/gpu_performance_analysis

by Norton at Sep 17, 2026, 12:13 PM

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