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Double cast to float for some onnx estimators #4745

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Merged
harishsk merged 5 commits into from
Feb 6, 2020
Merged

Double cast to float for some onnx estimators #4745

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d1b845e
double fix
kere-nel Jan 30, 2020
ebfb140
added support for int64 keys
kere-nel Jan 31, 2020
083ede9
number change
kere-nel Jan 31, 2020
81f9588
modifying test case
kere-nel Jan 31, 2020
d27fa8c
modifying test case
kere-nel Jan 31, 2020
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2 changes: 1 addition & 1 deletion src/Microsoft.ML.Data/Transforms/KeyToValue.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -520,7 +520,7 @@ public override bool SaveOnnx(OnnxContext ctx, string srcVariableName, string ds
long[] values = Array.ConvertAll<TValue, long>(_values.GetValues().ToArray(), item => Convert.ToInt64(item));
node.AddAttribute("values_int64s", values);
}
else if (TypeOutput == NumberDataViewType.Single)
else if (TypeOutput == NumberDataViewType.Double || TypeOutput == NumberDataViewType.Single)
{
float[] values = Array.ConvertAll<TValue, float>(_values.GetValues().ToArray(), item => Convert.ToSingle(item));
node.AddAttribute("values_floats", values);
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23 changes: 22 additions & 1 deletion src/Microsoft.ML.Data/Transforms/ValueToKeyMappingTransformer.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -786,6 +786,7 @@ private bool SaveAsOnnxCore(OnnxContext ctx, int iinfo, ColInfo info, string src
OnnxNode node;
long[] termIds;
string opType = "LabelEncoder";
OnnxNode castNode;
var labelEncoderOutput = ctx.AddIntermediateVariable(_types[iinfo], "LabelEncoderOutput", true);

if (info.TypeSrc.GetItemType().Equals(TextDataViewType.Instance))
Expand All @@ -800,6 +801,26 @@ private bool SaveAsOnnxCore(OnnxContext ctx, int iinfo, ColInfo info, string src
var terms = GetTermsAndIds<float>(iinfo, out termIds);
node.AddAttribute("keys_floats", terms);
}
else if (info.TypeSrc.GetItemType().Equals(NumberDataViewType.Double))
{
var castOutput = ctx.AddIntermediateVariable(null, "castOutput", true);
castNode = ctx.CreateNode("Cast", srcVariableName, castOutput, ctx.GetNodeName(opType), "");
var t2 = InternalDataKindExtensions.ToInternalDataKind(DataKind.Single).ToType();
castNode.AddAttribute("to", t2);
node = ctx.CreateNode(opType, castOutput, labelEncoderOutput, ctx.GetNodeName(opType));
var terms = GetTermsAndIds<double>(iinfo, out termIds);
node.AddAttribute("keys_floats", terms);
}
else if (info.TypeSrc.GetItemType().Equals(NumberDataViewType.Int64))
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{
var castOutput = ctx.AddIntermediateVariable(null, "castOutput", true);
castNode = ctx.CreateNode("Cast", srcVariableName, castOutput, ctx.GetNodeName(opType), "");
var t = InternalDataKindExtensions.ToInternalDataKind(DataKind.String).ToType();
castNode.AddAttribute("to", t);
node = ctx.CreateNode(opType, castOutput, labelEncoderOutput, ctx.GetNodeName(opType));
var terms = GetTermsAndIds<long>(iinfo, out termIds);
node.AddAttribute("keys_strings", terms.Select(item => item.ToString()));
}
else
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{
// LabelEncoder-2 in ORT v1 only supports the following mappings
Expand All @@ -822,7 +843,7 @@ private bool SaveAsOnnxCore(OnnxContext ctx, int iinfo, ColInfo info, string src
InternalDataKindExtensions.TryGetDataKind(_parent._unboundMaps[iinfo].OutputType.RawType, out dataKind);

opType = "Cast";
var castNode = ctx.CreateNode(opType, labelEncoderOutput, dstVariableName, ctx.GetNodeName(opType), "");
castNode = ctx.CreateNode(opType, labelEncoderOutput, dstVariableName, ctx.GetNodeName(opType), "");
castNode.AddAttribute("to", dataKind.ToType());

return true;
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