public static INeuralNetwork TryLoad([NotNull] Stream stream, ExecutionModePreference preference)
{
try
{
using (GZipStream gzip = new GZipStream(stream, CompressionMode.Decompress))
{
if (!gzip.TryRead(out NetworkType model))
{
return(null);
}
switch (model)
{
case NetworkType.Sequential: return(SequentialNetwork.Deserialize(gzip, preference));
case NetworkType.ComputationGraph: return(ComputationGraphNetwork.Deserialize(gzip, preference));
default: return(null);
}
}
}
catch
{
// Locked or invalid file
return(null);
}
}
public NodeBuilder Sum(ActivationType activation, params NodeBuilder[] inputs)
{
ExecutionModePreference mode = CuDnnNetworkLayers.IsCudaSupportAvailable
? ExecutionModePreference.Cuda
: ExecutionModePreference.Cpu;
return(New(ComputationGraphNodeType.Sum, (activation, mode), inputs));
}
public static INeuralNetwork TryLoad([NotNull] FileInfo file, ExecutionModePreference preference)
{
try
{
using (FileStream stream = file.OpenRead())
return(TryLoad(stream, preference));
}
catch (FileNotFoundException)
{
// Just keep going
return(null);
}
}
public NodeBuilder Sum(ActivationType activation, ExecutionModePreference mode, params NodeBuilder[] inputs) => New(ComputationGraphNodeType.Sum, (activation, mode), inputs);