private static IEnumerable <IReadOnlyList <string> > GenerateTranslations(ThotSmtParameters parameters,
IReadOnlyList <IReadOnlyList <string> > sourceCorpus)
{
var results = new IReadOnlyList <string> [sourceCorpus.Count];
Parallel.ForEach(Partitioner.Create(0, sourceCorpus.Count), range =>
{
IntPtr smtModelHandle = IntPtr.Zero, decoderHandle = IntPtr.Zero;
try
{
smtModelHandle = Thot.LoadSmtModel(parameters);
decoderHandle = Thot.LoadDecoder(smtModelHandle, parameters);
for (int i = range.Item1; i < range.Item2; i++)
{
IReadOnlyList <string> segment = sourceCorpus[i];
results[i] = Thot.DoTranslate(decoderHandle, Thot.decoder_translate, segment, false,
segment, (s, t, d) => t);
}
}
finally
{
if (decoderHandle != IntPtr.Zero)
{
Thot.decoder_close(decoderHandle);
}
if (smtModelHandle != IntPtr.Zero)
{
Thot.smtModel_close(smtModelHandle);
}
}
});
return(results);
}
public ThotSmtModel(ThotSmtParameters parameters)
{
Parameters = parameters;
Parameters.Freeze();
Handle = Thot.LoadSmtModel(Parameters);
_directWordAlignmentModel = new ThotWordAlignmentModel(
Thot.smtModel_getSingleWordAlignmentModel(Handle));
_inverseWordAlignmentModel = new ThotWordAlignmentModel(
Thot.smtModel_getInverseSingleWordAlignmentModel(Handle));
}
public override void Save()
{
foreach (ThotSmtEngine engine in _smtModel._engines)
{
engine.CloseHandle();
}
Thot.smtModel_close(_smtModel.Handle);
base.Save();
_smtModel.Parameters = Parameters;
_smtModel.Handle = Thot.LoadSmtModel(_smtModel.Parameters);
_smtModel._directWordAlignmentModel.Handle = Thot.smtModel_getSingleWordAlignmentModel(_smtModel.Handle);
_smtModel._inverseWordAlignmentModel.Handle =
Thot.smtModel_getInverseSingleWordAlignmentModel(_smtModel.Handle);
foreach (ThotSmtEngine engine in _smtModel._engines)
{
engine.LoadHandle();
}
}
private IEnumerable <IList <TranslationInfo> > GetNBestLists(ThotSmtParameters parameters,
IReadOnlyList <IReadOnlyList <string> > sourceCorpus)
{
IntPtr smtModelHandle = IntPtr.Zero;
try
{
smtModelHandle = Thot.LoadSmtModel(parameters);
var results = new IList <TranslationInfo> [sourceCorpus.Count];
Parallel.ForEach(Partitioner.Create(0, sourceCorpus.Count), range =>
{
IntPtr decoderHandle = IntPtr.Zero;
try
{
decoderHandle = Thot.LoadDecoder(smtModelHandle, parameters);
for (int i = range.Item1; i < range.Item2; i++)
{
IReadOnlyList <string> sourceSegment = sourceCorpus[i];
results[i] = Thot.DoTranslateNBest(decoderHandle, Thot.decoder_translateNBest, K,
sourceSegment, false, sourceSegment, CreateTranslationInfo).ToArray();
}
}
finally
{
if (decoderHandle != IntPtr.Zero)
{
Thot.decoder_close(decoderHandle);
}
}
});
return(results);
}
finally
{
if (smtModelHandle != IntPtr.Zero)
{
Thot.smtModel_close(smtModelHandle);
}
}
}
