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September 21, 2019 19:06
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How to do deep learning for java on the Valohai platform? -blog | Valohai
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--- | |
- step: | |
name: Build-dl4j-mnist-single-layer-java-app | |
image: neomatrix369/dl4j-mnist-single-layer:v0.5 | |
command: | |
- cd ${VH_REPOSITORY_DIR} | |
- ./buildUberJar.sh | |
- echo "~~~ Copying the build jar file into ${VH_OUTPUTS_DIR}" | |
- cp target/MLPMnist-1.0.0-bin.jar ${VH_OUTPUTS_DIR}/MLPMnist-1.0.0.jar | |
- ls -lash ${VH_OUTPUTS_DIR} | |
environment: aws-eu-west-1-g2-2xlarge | |
- step: | |
name: Run-dl4j-mnist-single-layer-train-model | |
image: neomatrix369/dl4j-mnist-single-layer:v0.5 | |
command: | |
- echo "~~~ Unpack the MNist dataset into ${HOME} folder" | |
- tar xvzf ${VH_INPUTS_DIR}/dataset/mlp-mnist-dataset.tgz -C ${HOME} | |
- cd ${VH_REPOSITORY_DIR} | |
- echo "~~~ Copying the build jar file from ${VH_INPUTS_DIR} to current location" | |
- cp ${VH_INPUTS_DIR}/dl4j-java-app/MLPMnist-1.0.0.jar . | |
- echo "~~~ Run the DL4J app to train model based on the the MNist dataset" | |
- ./runMLPMnist.sh {parameters} | |
inputs: | |
- name: dl4j-java-app | |
description: DL4J Java app file (jar) generated in the previous step 'Build-dl4j-mnist-single-layer-java-app' | |
- name: dataset | |
default: https://github.com/neomatrix369/awesome-ai-ml-dl/releases/download/mnist-dataset-v0.1/mlp-mnist-dataset.tgz | |
description: MNist dataset needed to train the model | |
parameters: | |
- name: --action | |
pass-as: '--action {v}' | |
type: string | |
default: train | |
description: Action to perform i.e. train or evaluate | |
- name: --output-dir | |
pass-as: '--output-dir {v}' | |
type: string | |
default: /valohai/outputs/ | |
description: Output directory where the model will be created, best to pick the Valohai output directory | |
environment: aws-eu-west-1-g2-2xlarge | |
- step: | |
name: Run-dl4j-mnist-single-layer-evaluate-model | |
image: neomatrix369/dl4j-mnist-single-layer:v0.5 | |
command: | |
- cd ${VH_REPOSITORY_DIR} | |
- echo "~~~ Copying the build jar file from ${VH_INPUTS_DIR} to current location" | |
- cp ${VH_INPUTS_DIR}/dl4j-java-app/MLPMnist-1.0.0.jar . | |
- echo "~~~ Run the DL4J app to evaluate the trained MNist model" | |
- ./runMLPMnist.sh {parameters} | |
inputs: | |
- name: dl4j-java-app | |
description: DL4J Java app file (jar) generated in the previous step 'Build-dl4j-mnist-single-layer-java-app' | |
- name: model | |
description: Model file generated in the previous step 'Run-dl4j-mnist-single-layer-train-model' | |
parameters: | |
- name: --action | |
pass-as: '--action {v}' | |
type: string | |
default: evaluate | |
description: Action to perform i.e. train or evaluate | |
- name: --input-dir | |
pass-as: '--input-dir {v}' | |
type: string | |
default: /valohai/inputs/model | |
description: Input directory where the model created by the previous step can be found created | |
environment: aws-eu-west-1-g2-2xlarge |
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