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Merged
jeffcarp merged 1 commit into from
Feb 25, 2026
Merged

Update simple demo #55

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15 changes: 6 additions & 9 deletions examples/demo_train.py → examples/simple_demo.py
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Original file line number Diff line number Diff line change
@@ -1,19 +1,16 @@
import os
import socket

os.environ["KERAS_BACKEND"] = "jax"

import jax
import keras
import numpy as np

from keras_remote import core as keras_remote
import keras_remote


@keras_remote.run(accelerator="v2-8")
@keras_remote.run(accelerator="cpu")
def train_keras_jax_model():
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@gemini-code-assist gemini-code-assist bot Feb 25, 2026

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medium

This function is missing a docstring. The repository style guide emphasizes the importance of documentation. Adding a docstring would improve the clarity and maintainability of this example.

Suggested change
def train_keras_jax_model():
def train_keras_jax_model():
"""Trains a simple Keras model remotely and returns the final loss."""
References
  1. The style guide states: "Don't neglect error messages, docstrings, and documentation." (link)

host = socket.gethostname()
print(f"Running on host: {host}")
print(f"Keras version: {keras.__version__}")
print(f"Keras backend: {keras.config.backend()}")
print(f"JAX version: {jax.__version__}")
Expand Down Expand Up @@ -54,13 +51,13 @@ def train_keras_jax_model():
)

print("Starting model.fit...")
model.fit(x_train, y_train, epochs=1, batch_size=32, verbose=2)
history = model.fit(x_train, y_train, epochs=1, batch_size=32, verbose=2)
print("Model.fit finished.")

return f"Keras JAX training complete on {host}"
return history.history["loss"][-1]


if __name__ == "__main__":
print("Starting Keras JAX demo...")
result = train_keras_jax_model()
print(f"Demo result: {result}")
loss = train_keras_jax_model()
print(f"Final training loss: {loss}")
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