[AutoTVM] Support range in index based tuners #4870
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@merrymercy could you help to review this PR? Thanks! |
merrymercy
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Feb 14, 2020
| return ret | ||
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| def __getstate__(self): | ||
| return {"visited": self.counter} |
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Should this function return a list of visited config indices (i.e., self.visited)? Then should we change __setstate__ accordingly to make it consistent?
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@merrymercy I've removed |
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Re-trigger CI since it failed with no sense. |
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merrymercy
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alexwong
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Feb 26, 2020
* Support range in index based tuners * Address comments * Remove __*state__ * trigger CI
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* Support range in index based tuners * Address comments * Remove __*state__ * trigger CI
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* Support range in index based tuners * Address comments * Remove __*state__ * trigger CI
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This PR includes the following changes in order to let grid search and random tuner accept an index range. This is beneficial for distributed tuning since we can easily separate a tuning space to chunks and distribute them to different machines.
Note: This change will not affect any existing use cases of grid search tuner and random tuner.
Support
range_idxoptional argument when constructingGridSearchTunerandRandomTunerto let them only tune a part of the tuning space.Refactor
GridSearchTunerandRandomTunerto have a common base class calledIndexBaseTuner.IndexBaseTunerprocessesrange_idxand unifies common fields such ascounter.Improve
RandomTunerto generate non-repetitive random indices in constant time without increasing memory usage.Unit tests.