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Run_MaxText_via_xpk.md

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How to run MaxText with XPK?

This document focuses on steps required to setup XPK on TPU VM and assumes you have gone through the README to understand XPK basics.

Steps to setup XPK on TPU VM

  • Verify you have these permissions for your account or service account

    Storage Admin
    Kubernetes Engine Admin

  • gcloud is installed on TPUVMs using the snap distribution package. Install kubectl using snap

sudo apt-get update
sudo apt install snapd
sudo snap install kubectl --classic
  • Install gke-gcloud-auth-plugin
echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] https://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list

curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key --keyring /usr/share/keyrings/cloud.google.gpg add -

sudo apt update && sudo apt-get install google-cloud-sdk-gke-gcloud-auth-plugin
  • Authenticate gcloud installation by running this command and following the prompt
gcloud auth login
  • Run this command to configure docker to use docker-credential-gcloud for GCR registries:
gcloud auth configure-docker
  • Test the installation by running
docker run hello-world
  • If getting a permission error, try running
sudo usermod -aG docker $USER

after which log out and log back in to the machine.

Build Docker Image for Maxtext

  1. Git clone maxtext locally

    git clone https://github.com/google/maxtext.git
cd maxtext

  2. Build local Maxtext docker image

    This only needs to be rerun when you want to change your dependencies. This image may expire which would require you to rerun the below command

    # Default will pick stable versions of dependencies
bash docker_build_dependency_image.sh

  3. After building the dependency image maxtext_base_image, xpk can handle updates to the working directory when running xpk workload create and using --base-docker-image.

    See details on docker images in xpk here: https://github.com/google/xpk/blob/main/README.md#how-to-add-docker-images-to-a-xpk-workload

    Using xpk to upload image to your gcp project and run Maxtext

    gcloud config set project $PROJECT_ID
gcloud config set compute/zone $ZONE

# See instructions in README.me to create below buckets.
BASE_OUTPUT_DIR=gs://output_bucket/
DATASET_PATH=gs://dataset_bucket/

# Install xpk
pip install xpk

# Make sure you are still in the maxtext github root directory when running this command
xpk workload create \
--cluster ${CLUSTER_NAME} \
--base-docker-image maxtext_base_image \
--workload ${USER}-first-job \
--tpu-type=v5litepod-256 \
--num-slices=1  \
--command "python3 MaxText/train.py MaxText/configs/base.yml base_output_directory=${BASE_OUTPUT_DIR} dataset_path=${DATASET_PATH} steps=100 per_device_batch_size=1"

    Using xpk github repo

    git clone https://github.com/google/xpk.git

# Make sure you are still in the maxtext github root directory when running this command
python3 xpk/xpk.py workload create \
--cluster ${CLUSTER_NAME} \
--base-docker-image maxtext_base_image \
--workload ${USER}-first-job \
--tpu-type=v5litepod-256 \
--num-slices=1  \
--command "python3 MaxText/train.py MaxText/configs/base.yml base_output_directory=${BASE_OUTPUT_DIR} dataset_path=${DATASET_PATH} steps=100 per_device_batch_size=1"