public void Invoke(int epoch, EvalMetric eval_metric)
{
if (eval_metric == null)
{
return;
}
var name_value = eval_metric.GetNameValue();
foreach (var item in name_value)
{
Logger.Log(string.Format("Epoch[{0}] Validation-{1}={2}", epoch, item.Key, Math.Round(item.Value, 2)));
}
}
public void Invoke(int epoch, int nbatch, EvalMetric eval_metric, FuncArgs locals = null)
{
if (nbatch % _period == 0 && eval_metric != null)
{
var name_values = eval_metric.GetNameValue();
foreach (var item in name_values)
{
Logger.Log(string.Format("Iter: {0} Batch: {1} Train-{2}={3}", epoch, nbatch, item.Key,
item.Value));
}
if (_auto_reset)
{
eval_metric.ResetLocal();
}
}
}
public Dictionary <string, float> Score(DataIter eval_data, EvalMetric eval_metric, int?num_batch = null,
IBatchEndCallback[] batch_end_callback = null,
IScoreEndCallback[] score_end_callback = null, bool reset = true, int epoch = 0,
Func <DataBatch, NDArrayDict> sparse_row_id_fn = null)
{
if (!Binded && !ParamsInitialized)
{
throw new Exception("Module not binded and param initialized");
}
eval_metric.Reset();
var actual_num_batch = 0;
while (eval_data.End())
{
if (num_batch.HasValue && eval_data.Cursor == num_batch.Value)
{
break;
}
var eval_batch = eval_data.Next();
Prepare(eval_batch, sparse_row_id_fn);
Forward(eval_batch, false);
UpdateMetric(eval_metric, eval_batch.Label, true);
if (batch_end_callback != null)
{
foreach (var callback in batch_end_callback)
{
callback.Invoke(epoch, eval_data.Cursor, eval_metric);
}
}
actual_num_batch++;
}
if (score_end_callback != null)
{
foreach (var callback in score_end_callback)
{
callback.Invoke(epoch, actual_num_batch, eval_metric, new FuncArgs());
}
}
return(eval_metric.GetNameValue());
}
public void Invoke(int epoch, int nbatch, EvalMetric eval_metric, FuncArgs locals = null)
{
var count = nbatch;
float speed;
string msg;
if (last_count > count)
{
init = false;
}
last_count = count;
if (init)
{
if (count % _frequent == 0)
{
try
{
speed = (float)Math.Round(_frequent * (float)_batch_size / (DateTime.Now.Ticks - tic));
}
catch (DivideByZeroException ex)
{
speed = float.PositiveInfinity;
}
if (eval_metric != null)
{
var name_value = eval_metric.GetNameValue();
if (_auto_reset)
{
eval_metric.ResetLocal();
msg = string.Format("Epoch[{0}] Batch [{1}-{2}]\tSpeed: {3} samples/sec", epoch,
count - _frequent, count, speed);
foreach (var item in name_value)
{
msg += string.Format("\t {0}={1}", item.Key, item.Value);
}
Logger.Log(msg);
}
else
{
msg = string.Format("Epoch[{0}] Batch [0-{1}]\tSpeed: {2} samples/sec", epoch, count,
speed);
foreach (var item in name_value)
{
msg += string.Format("\t {0}={1}", item.Key, item.Value);
}
Logger.Log(msg);
}
}
else
{
Logger.Log(string.Format("Iter[{0}] Batch [{1}]\tSpeed: {} samples/sec", epoch, _batch_size,
speed));
}
tic = DateTime.Now.Ticks;
}
else
{
init = true;
tic = DateTime.Now.Ticks;
}
}
}