…eterminator (#137614)
adds a `default` tag to experiment configurations, allowing to remove some experiments by default on the random draw:
```
        experiments:
            lf:
                rollout_perc: 25
            otherExp:
                rollout_perc: 25
                default: false
        ---
```
and includes the configuration to filter what experiments are of interest for a particular workflow (comma separated):
```
  get-test-label-type:
    name: get-test-label-type
    uses: ./.github/workflows/_runner-determinator.yml
    with:
      ...
      check_experiments: "awsa100"
```
The end goal, is to enable us to run multiple experiments, that are independent from one another. For example, while we still runs the LF infra experiment, we want to migrate other runners leveraging the current solution. A immediate UC is for the A100 instances, where we want to migrate to AWS.
Those new instances will during the migration period be labeled both `awsa100.linux.gcp.a100` and `linux.aws.a100`. Once the experiment ends, we will remove the first confusing one.
```
jobs:
  get-build-label-type:
    name: get-build-label-type
    uses: ./.github/workflows/_runner-determinator.yml
    with:
      ...
  get-test-label-type:
    name: get-test-label-type
    uses: ./.github/workflows/_runner-determinator.yml
    with:
      ...
      check_experiments: "awsa100"
  linux-focal-cuda12_1-py3_10-gcc9-inductor-build:
    name: cuda12.1-py3.10-gcc9-sm80
    uses: ./.github/workflows/_linux-build.yml
    needs:
      - get-build-label-type
      - get-test-label-type
    with:
      runner_prefix: "${{ needs.get-build-label-type.outputs.label-type }}"
      ...
      test-matrix: |
        { include: [
          { config: "inductor_huggingface_perf_compare", shard: 1, num_shards: 1, runner: "${{ needs.get-test-label-type.outputs.label-type }}linux.gcp.a100" },
          ...
        ]}
      ...
```
```
experiments:
    lf:
        rollout_perc: 50
    awsa100:
        rollout_perc: 50
         default: false
```
Pull Request resolved: #137614
Approved by: https://github.com/malfet