public void Infer(Logistic layer, LogisticLayerArgument argument, InferenceContext context)
{
var inputAlloc = context.MainMemoryMap[layer.Input.Connection.From];
var outputAlloc = context.MainMemoryMap[layer.Output];
argument.Flags = K210LayerFlags.MainMemoryOutput;
argument.MainMemoryInputAddress = inputAlloc.GetAddress();
argument.MainMemoryOutputAddress = outputAlloc.GetAddress();
}
public void Forward(LogisticLayerArgument argument, ForwardContext context)
{
var src = MemoryMarshal.Cast <byte, float>(context.GetMainRamAt((int)argument.MainMemoryInputAddress));
var dest = MemoryMarshal.Cast <byte, float>(context.GetMainRamAt((int)argument.MainMemoryOutputAddress));
for (int oc = 0; oc < argument.Channels; oc++)
{
dest[oc] = 1f / (1f + (float)Math.Exp(-src[oc]));
}
}
public LogisticLayerArgument DeserializeBin(int offset, K210BinDeserializeContext context)
{
var sr = context.GetReaderAt(offset);
var argument = new LogisticLayerArgument();
argument.Flags = sr.Read <K210LayerFlags>();
argument.MainMemoryInputAddress = sr.Read <uint>();
argument.MainMemoryOutputAddress = sr.Read <uint>();
argument.Channels = sr.Read <uint>();
return(argument);
}