How do I make my Keras model smaller?

How do I make my Keras model smaller?

How to compress your Keras model x5 smaller with TensorFlow model optimization

  1. Train Keras model to reach an acceptable accuracy as always.
  2. Make Keras layers or model ready to be pruned.
  3. Create a pruning schedule and train the model for more epochs.
  4. Export the pruned model by striping pruning wrappers from the model.

How do I reduce the size of a TensorFlow model?

1 Answer. We can reduce the size of a Tensorflow Model using the below mentioned methods: Freezing: Convert the variables stored in a checkpoint file of the SavedModel into constants stored directly in the model graph. This reduces the overall size of the model.

Why is the training loss much higher than the testing loss Keras?

Why is my training loss much higher than my testing loss? They are reflected in the training time loss but not in the test time loss. Besides, the training loss that Keras displays is the average of the losses for each batch of training data, over the current epoch.

Why is model predict so slow?

SUMMARY: it’s only a little slower with compile() . compile() sets an internal flag which assigns a different prediction function to predict . This function constructs a new graph upon each call, slowing it down relative to uncompiled.

Can quantization increase accuracy?

The main advantage of this quantization is that it can improve accuracy significantly, but only slightly increase model size. If 16×8 quantization is not supported for some operators in the model, then the model still can be quantized, but unsupported operators kept in float.

How do you optimize a model?

Optimization techniques The area of model optimization can involve various techniques: Reduce parameter count with pruning and structured pruning. Reduce representational precision with quantization. Update the original model topology to a more efficient one with reduced parameters or faster execution.

Is it always possible to reduce the training error to zero?

You can get zero training error by chance, with any model. Say your biased classifier always predicts zero, but your dataset happens to be all labeled zero. Zero training error is impossible in general, because of Bayes error (think: two points in your training data are identical except for the label).

How can I make my deep learning models faster?

There are many ways we can do this, so let’s start to explore.

  1. Read the Smaller, simpler models sectionSmaller, simpler models.
  2. Read the Integers, not floating points sectionIntegers, not floating points.
  3. Read the Hardware-specific optimizations sectionHardware-specific optimizations.

How does training and evaluation work in keras?

In general, whether you are using built-in loops or writing your own, model training & evaluation works strictly in the same way across every kind of Keras model — Sequential models, models built with the Functional API, and models written from scratch via model subclassing.

What happens when you reload a keras model?

After saving, deleting and reloading the model the loss and accuracy of the model trained on the second dataset will be 0.1711 and 0.9504 respectively. Is this caused by the new training data or by a completely re-trained model?

How to save weights of best model in keras?

This approach will restart the training where we left before saving the model. As mentioned by others, if you want to save weights of best model or you want to save weights of model every epoch you need to use keras callbacks function (ModelCheckpoint) with options such as save_weights_only=True, save_freq=’epoch’, and save_best_only.

How to create a loss function in keras?

If you need a loss function that takes in parameters beside y_true and y_pred, you can subclass the tf.keras.losses.Loss class and implement the following two methods: __init__ (self): accept parameters to pass during the call of your loss function