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[tune] Enable AsyncHyperband to continue training for last trials after max_t #24222

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merged 2 commits into from
Apr 27, 2022

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krfricke
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Why are these changes needed?

Adds a new flag stop_last_trials to AsyncHyperband that allows the last trials of each bracket to continue training after max_t. This feature existed for synchronous hyperband before, and the extension had been requested in #14235.

Related issue number

Closes #14235

Checks

  • I've run scripts/format.sh to lint the changes in this PR.
  • I've included any doc changes needed for https://docs.ray.io/en/master/.
  • I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/
  • Testing Strategy
    • Unit tests
    • Release tests
    • This PR is not tested :(

@krfricke krfricke requested a review from Yard1 April 26, 2022 21:28
@krfricke krfricke merged commit 772b9ab into ray-project:master Apr 27, 2022
@krfricke krfricke deleted the tune/asha-no-stop branch April 27, 2022 10:45
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[tune] Support extending Async Hyperband runs past max_t
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