public void reduce(
IntWritable sameNum,
Iterator<Text> data,
OutputCollector<Text, jBLASArrayWritable> output,
Reporter reporter)
throws IOException {
int totalBatchCount = exampleCount / batchSize;
DoubleMatrix weights = DoubleMatrix.randn(hiddenNodes, visibleNodes);
DoubleMatrix hbias = DoubleMatrix.zeros(hiddenNodes);
DoubleMatrix vbias = DoubleMatrix.zeros(visibleNodes);
DoubleMatrix label = DoubleMatrix.zeros(1);
DoubleMatrix hidden_chain = null;
DoubleMatrix vdata = DoubleMatrix.zeros(batchSize, visibleNodes);
ArrayList<DoubleMatrix> outputmatricies = new ArrayList<DoubleMatrix>();
outputmatricies.add(weights);
outputmatricies.add(hbias);
outputmatricies.add(vbias);
outputmatricies.add(label);
outputmatricies.add(vdata);
outputmatricies.add(hidden_chain);
int j;
for (int i = 0; i < totalBatchCount; i++) {
j = 0;
while (data.hasNext() && j < batchSize) {
j++;
StringTokenizer tk = new StringTokenizer(data.next().toString());
label.put(0, Double.parseDouble(tk.nextToken()));
String image = tk.nextToken();
for (int k = 0; k < image.length(); k++) {
Integer val = new Integer(image.charAt(k));
vdata.put(j, k, val.doubleValue());
}
dataArray = new jBLASArrayWritable(outputmatricies);
batchID.set("1\t" + i);
output.collect(batchID, dataArray);
}
}
}
