| public abstract Input ( Floatarray v, int i ) : void | ||
| v | Floatarray | |
| i | int | |
| Результат | void | |
public override void Input(Floatarray v, int i)
{
_ds.Input(v, _samples[i]);
}
public override void Input(Floatarray v, int i)
{
_ds.Input(v, i);
}
public virtual TrainInfo TrainBatch(IDataset ds, IDataset ts, int epochs)
{
TrainInfo trInfo = new TrainInfo();
bool first = true;
Floatarray v = new Floatarray();
// Send Train Dataset to Lenet
for (int i = 0; i < ds.nSamples(); i++)
{
ds.Input(v, i);
if (v.Rank() == 1)
v.Reshape(csize, csize, 0, 0);
StdInput linput = new StdInput(v);
try
{
if (first)
{
first = false;
//StartRedirectStdout(); // start redirect cout to string buffer
BeginTrainEpoch(HrLenet, linput.Height, linput.Width, ds.nSamples(), ts.nSamples()); // init train
}
if (C2i.ContainsKey(ds.Cls(i)))
AddSampleToTrainOfEpoch(HrLenet, linput.GetDataBuffer(), linput.Length, C2i[ds.Cls(i)]);
else
Global.Debugf("error", "class '{0}' is not contained in the char list", (char)ds.Cls(i));
}
catch (Exception e)
{
GetStdout(sbout); // get train messages
if (sbout.Length > 0)
Global.Debugf("error", sbout.ToString() + "\r\nException in AddSampleToTrainOfEpoch");
throw new Exception("Exception in AddSampleToTrainOfEpoch\r\n" + e.Message);
}
}
// Send Test Dataset to Lenet
for (int i = 0; i < ts.nSamples(); i++)
{
ts.Input(v, i);
if (v.Rank() == 1)
v.Reshape(csize, csize, 0, 0);
StdInput linput = new StdInput(v);
try
{
if (C2i.ContainsKey(ts.Cls(i)))
AddSampleToTestOfEpoch(HrLenet, linput.GetDataBuffer(), linput.Length, C2i[ts.Cls(i)]);
}
catch (Exception e)
{
GetStdout(sbout); // get train messages
if (sbout.Length > 0)
Global.Debugf("error", sbout.ToString() + "\r\nException in AddSampleToTestOfEpoch");
throw new Exception("Exception in AddSampleToTestOfEpoch\r\n" + e.Message);
}
}
// debug save mnist
//SaveTrainMnist(HrLenet, "debug-images-idx3-ubyte", "debug-labels-idx1-ubyte");
// do train epochs
for (int epoch = 0; epoch < epochs; epoch++)
{
trInfo = new TrainInfo();
try
{
DateTime startDate = DateTime.Now;
EndAndRunTrainEpoch(HrLenet, ref trInfo); // do train one epoch
// show train info
Global.Debugf("info",
String.Format("|{0,7}| Energy:{1:0.#####} Correct:{2:0.00#%} Errors:{3:0.00#%} Count:{4} ",
trInfo.age, trInfo.energy, (trInfo.correct / (float)trInfo.size),
(trInfo.error / (float)trInfo.size), trInfo.size) );
Global.Debugf("info",
String.Format(" TEST Energy={0:0.#####} Correct={1:0.00#%} Errors={2:0.00#%} Count={3} ",
trInfo.tenergy, (trInfo.tcorrect / (float)trInfo.tsize),
(trInfo.terror / (float)trInfo.tsize), trInfo.tsize));
TimeSpan spanTrain = DateTime.Now - startDate;
Global.Debugf("info", String.Format(" training time: {0} minutes, {1} seconds",
(int)spanTrain.TotalMinutes, spanTrain.Seconds));
// get dll stdout messages
GetStdout(sbout);
if (sbout.Length > 0)
Console.Write(sbout.ToString());
}
catch (Exception e)
{
GetStdout(sbout); // get train messages
if (sbout.Length > 0)
Global.Debugf("error", sbout.ToString() + "\r\nException in EndAndRunTrainEpoch");
throw new Exception("Exception in EndAndRunTrainEpoch\r\n" + e.Message);
}
}
return trInfo;
}
protected virtual void Train(IDataset ds)
{
Floatarray v = new Floatarray();
for (int i = 0; i < ds.nSamples(); i++)
{
ds.Input(v, i);
Add(v, ds.Cls(i));
}
}
public TrainInfo TestDense(IDataset ts)
{
TrainInfo trInfo = new TrainInfo();
bool first = true;
Floatarray v = new Floatarray();
// Send Test Dataset to Lenet
for (int i = 0; i < ts.nSamples(); i++)
{
ts.Input(v, i);
if (v.Rank() == 1)
v.Reshape(csize, csize, 0, 0);
StdInput linput = new StdInput(v);
if (first)
{
first = false;
BeginTestEpoch(HrLenet, linput.Height, linput.Width, ts.nSamples()); // init test
}
try
{
if (C2i.ContainsKey(ts.Cls(i)))
AddSampleToTestOfEpoch(HrLenet, linput.GetDataBuffer(), linput.Length, C2i[ts.Cls(i)]);
}
catch (Exception e)
{
GetStdout(sbout); // get train messages
if (sbout.Length > 0)
Global.Debugf("error", sbout.ToString() + "\r\nException in AddSampleToTestOfEpoch");
throw new Exception("Exception in AddSampleToTestOfEpoch\r\n" + e.Message);
}
}
// do test one epoch
try
{
EndAndRunTestEpoch(HrLenet, ref trInfo);
}
catch (Exception e)
{
GetStdout(sbout); // get test messages
if (sbout.Length > 0)
Global.Debugf("error", sbout.ToString() + "\r\nException in EndAndRunTestEpoch");
throw new Exception("Exception in EndAndRunTestEpoch\r\n" + e.Message);
}
return trInfo;
}
