For this example, you’ll see a collapsed Sequential node. To see the conceptual graph, select the “keras” tag. This may be useful if you’re reusing a saved model and you want to examine or validate its structure. In addition to the execution graph, TensorBoard also displays a conceptual graph. This allows you to see inputs, outputs, shapes and other details. You can also see metadata by clicking on a node. Double clicking toggles node expansion (a node can be a container for other nodes).Graphs are often very large, so you can manipulate the graph visualization: However, you can see that the graph closely matches the Keras model definition, with extra edges to other computation nodes. (On the left, you can see the “Default” tag selected.) Note that the graph is inverted data flows from bottom to top, so it’s upside down compared to the code. !tensorboard dev upload \īy default, TensorBoard displays the op-level graph. You can also optionally use v to create a hosted, shareable experiment. Select the Graphs dashboard by tapping “Graphs” at the top. Start TensorBoard and wait a few seconds for the UI to load. By passing this callback to Model.fit(), you ensure that graph data is logged for visualization in TensorBoard. (train_images, train_labels), _ = _mnist.load_data()īefore training, define the Keras TensorBoard callback, specifying the log directory.
(10, activation='softmax')ĭownload and prepare the training data. In this example, the classifier is a simple four-layer Sequential model. # Clear any logs from previous runs rm -rf. "This notebook requires TensorFlow 2.0 or above."
Print("TensorFlow version: ", tf._version_)Īssert version.parse(tf._version_).release >= 2, \ Setup # Load the TensorBoard notebook extension. You will also use a tracing API to generate graph data for functions created using the new tf.function annotation.
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You’ll define and train a simple Keras Sequential model for the Fashion-MNIST dataset and learn how to log and examine your model graphs. This tutorial presents a quick overview of how to generate graph diagnostic data and visualize it in TensorBoard’s Graphs dashboard. For example, you can redesign your model if training is progressing slower than expected. Examining the op-level graph can give you insight as to how to change your model. You can also view a op-level graph to understand how TensorFlow understands your program. You can quickly view a conceptual graph of your model’s structure and ensure it matches your intended design. TensorBoard’s Graphs dashboard is a powerful tool for examining your TensorFlow model.