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update max_model when trial fails #6596

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Merged
merged 3 commits into from
Mar 27, 2023
+18 −18
Merged

update max_model when trial fails #6596

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7e03592
update max_model when trial fails
LittleLittleCloud Mar 9, 2023
b546c94
add nullable mark to cfo tuner
LittleLittleCloud Mar 21, 2023
ddf7953
update exception message
LittleLittleCloud Mar 23, 2023
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34 changes: 17 additions & 17 deletions src/Microsoft.ML.AutoML/AutoMLExperiment/AutoMLExperiment.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -282,9 +282,16 @@ void handler(object o, EventArgs e)
}
}
}
catch (OperationCanceledException ex) when (aggregateTrainingStopManager.IsStopTrainingRequested() == false)
catch (Exception ex) when (aggregateTrainingStopManager.IsStopTrainingRequested() == false)
{
logger.Trace($"trial cancelled - {JsonSerializer.Serialize(trialSettings)}, continue training");
var exceptionMessage = $@"
Exception thrown during Trial {trialSettings.TrialId} with configuration {JsonSerializer.Serialize(trialSettings)}

Exception Details: ex.Message

Abandoning Trial {trialSettings.TrialId} and continue training.
";
logger.Trace(exceptionMessage);
trialSettings.EndedAtUtc = DateTime.UtcNow;
monitor?.ReportFailTrial(trialSettings, ex);
var trialResult = new TrialResult
Expand All @@ -296,22 +303,8 @@ void handler(object o, EventArgs e)
tuner.Update(trialResult);
trialResultManager?.AddOrUpdateTrialResult(trialResult);
aggregateTrainingStopManager.Update(trialResult);
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We need to update tuner/trialresultmanager/trainningStopManager even when a trial fails for any reasons as long as the experiment still continues

continue;
}
catch (OperationCanceledException) when (aggregateTrainingStopManager.IsStopTrainingRequested())
{
logger.Trace($"trial cancelled - {JsonSerializer.Serialize(trialSettings)}, stop training");

break;
}
catch (Exception ex)
{
logger.Trace($"trial failed - {JsonSerializer.Serialize(trialSettings)}, stop training");

trialSettings.EndedAtUtc = DateTime.UtcNow;
monitor?.ReportFailTrial(trialSettings, ex);

if (!aggregateTrainingStopManager.IsStopTrainingRequested() && _bestTrialResult == null)
if (ex is not OperationCanceledException && _bestTrialResult == null)
{
logger.Trace($"trial fatal error - {JsonSerializer.Serialize(trialSettings)}, stop training");

Expand All @@ -321,6 +314,13 @@ void handler(object o, EventArgs e)
// when error is fatal (like schema mismatch).
throw;
}
continue;
}
catch (Exception) when (aggregateTrainingStopManager.IsStopTrainingRequested())
{
logger.Trace($"trial cancelled - {JsonSerializer.Serialize(trialSettings)}, stop training");

break;
}
finally
{
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2 changes: 1 addition & 1 deletion src/Microsoft.ML.AutoML/Tuner/CostFrugalTuner.cs
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Expand Up @@ -24,7 +24,7 @@ internal class CostFrugalTuner : ITuner
private double _bestLoss;

public CostFrugalTuner(AutoMLExperiment.AutoMLExperimentSettings settings, ITrialResultManager trialResultManager = null)
: this(settings.SearchSpace, settings.SearchSpace.SampleFromFeatureSpace(settings.SearchSpace.Default), trialResultManager.GetAllTrialResults(), settings.Seed)
: this(settings.SearchSpace, settings.SearchSpace.SampleFromFeatureSpace(settings.SearchSpace.Default), trialResultManager?.GetAllTrialResults(), settings.Seed)
{
}

Expand Down