batch-experiment.yaml

on:
  workflow_dispatch:

permissions:
  actions: read
  contents: write
  pages: write
  id-token: write
  pull-requests: write

jobs:
  model-tests:
    runs-on: ["in-service"]
    strategy:
      matrix:
        group: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40]
    env:      
      pytest_verbosity: 0
      pytest_report_title: "⭐️ Model Tests"
      PYTHONPATH: ${{ github.workspace }}
    steps:
      - uses: actions/checkout@v4
        with:
          lfs: true
      - uses: ./.github/actions/common_repo_setup
      
      - name: Run Model Tests in Parallel
        shell: bash
        run: |
          set +e
          num_iterations=5
          file_prefix="tests/"

          # Assign tests dynamically based on matrix group
          TOTAL_GROUPS=40
          CURRENT_GROUP=${{ matrix.group }}

          mapfile -t test_ids_verbose < <(pytest --collect-only -q -m converted_end_to_end --ignore=tests/models/autoencoder_conv tests/models/ | awk -F '::' '{print $1}' | sort -u)
          test_ids=()  

          # Array of tests to exclude
          exclude_tests=(
            "models/mnist/test_mnist.py"
            "models/MobileNetV2/test_MobileNetV2.py"
            "models/openpose/test_openpose_v2.py"
            "models/resnet/test_resnet.py"
            "models/resnet50/test_resnet50.py"
            "models/roberta/test_roberta.py"
            "models/unet/test_unet.py"
            "models/hand_landmark/test_hand_landmark.py"
          )

          # Preprocess file paths
          for file in "${test_ids_verbose[@]}"; do
            if [[ "$file" == models/* ]]; then  
              # Check if the file is in the exclude_tests array
              skip=false
              for exclude_test in "${exclude_tests[@]}"; do
                if [[ "$file" == "$exclude_test" ]]; then
                  skip=true
                  break
                fi
              done

              if ! $skip; then
                test_ids+=("$file")  
              fi
            fi
          done

          TOTAL_TESTS=${#test_ids[@]}
          TESTS_PER_GROUP=$(( (TOTAL_TESTS + TOTAL_GROUPS - 1) / TOTAL_GROUPS ))

          START_INDEX=$(( (CURRENT_GROUP - 1) * TESTS_PER_GROUP ))
          END_INDEX=$(( CURRENT_GROUP * TESTS_PER_GROUP ))

          if (( END_INDEX > TOTAL_TESTS )); then
            END_INDEX=$TOTAL_TESTS
          fi

          # Slice the test array for the current group
          group_test_ids=("${test_ids[@]:START_INDEX:TESTS_PER_GROUP}")

          echo "Running tests in group $CURRENT_GROUP..."
          echo "Tests assigned to this group: ${group_test_ids[@]}"

          failed_batch_and_test_array=()
          max_batch_sizes_array=()
          counter=0

          # Define function for finding max batch size when uninitialized
          find_max_batch_size_uninitialized() {
            local test_path=$1
            batch_range_lower=$2
            batch_range_upper=$3
            local batch_range=($batch_range_lower $batch_range_upper)
            
            not_found=1
            local min_failed_batch=0
            local max_successful_batch=0
            
            while (( not_found )); do
              if (( batch_size_to_test == batch_range_upper - 1 )); then
                batch_range_upper=$(( batch_range_upper * 2 ))  
                batch_range[1]=$batch_range_upper # Update the upper bound in the array
                echo "Expanding upper bound to: $batch_range_upper" # Optional logging
              fi
              local batch_size_to_test=$(( (batch_range[0] + batch_range[1]) / 2 ))
              echo "Testing with batch size $batch_size_to_test"
              
              python3 -m pytest "$test_path" -s --batch_size $batch_size_to_test --report_nth_iteration $num_iterations
              exit_code=$?

              if (( exit_code != 0 )); then 
                batch_range[1]=$batch_size_to_test
                min_failed_batch=$batch_size_to_test
              else 
                batch_range[0]=$batch_size_to_test
                max_successful_batch=$batch_size_to_test
              fi 

              if (( min_failed_batch - max_successful_batch == 1)); then
                not_found=0
              fi
            done
            
            echo "Max batch size for $test_path: $max_successful_batch"
            max_batch_sizes_array+=("$max_successful_batch")
            failed_batch_and_test_array+=("$max_successful_batch $test_path")
          }

          # Define function for finding max batch size when initialized
          find_max_batch_size_initialized() {
            test_path=$1
            batch_range_lower=$2
            batch_range_upper=$3
            batch_range=($batch_range_lower $batch_range_upper)
            
            prior_batches_array=($(printf "%s\n" "${max_batch_sizes_array[@]}" | sort -n))
            not_found=1
            min_failed_batch=0
            max_successful_batch=0
            first_iter=1
            
            while (( not_found )); do
              if (( first_iter )); then
                median_index=$(( ${#prior_batches_array[@]} / 2 ))
                batch_size_to_test=${prior_batches_array[$median_index]}
                first_iter=0
              else
                batch_size_to_test=$(( (batch_range[0] + batch_range[1]) / 2 ))
              fi
              
              echo "Testing with batch size $batch_size_to_test"
              python3 -m pytest "$test_path" -s --batch_size $batch_size_to_test --report_nth_iteration $num_iterations
              exit_code=$?

              if (( exit_code != 0 )); then 
                batch_range[1]=$batch_size_to_test
                min_failed_batch=$batch_size_to_test
              else 
                batch_range[0]=$batch_size_to_test
                max_successful_batch=$batch_size_to_test
              fi 

              if (( min_failed_batch - max_successful_batch == 1)); then
                not_found=0
              fi
            done
            
            echo "Max batch size $max_successful_batch found for $test_path"
            max_batch_sizes_array+=("$max_successful_batch")
            failed_batch_and_test_array+=("$max_successful_batch $test_path")
          }

          # Main loop to distribute test runs across groups
          for t in "${group_test_ids[@]}"; do
            if [ -z "$t" ]; then 
              continue
            fi
            echo "Running test: $t"
            file_path="${file_prefix}${t%%::*}"
            l_bound=1
            u_bound=256
            find_max_batch_size_uninitialized "$file_path" "$l_bound" "$u_bound"
          done

          echo "Final Max Batches: ${failed_batch_and_test_array[@]}"
          exit 0