ALS Testing patch

gistfile1.txt

Index: core/src/main/java/org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.java
===================================================================
--- core/src/main/java/org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.java	(Revision 1469532)
+++ core/src/main/java/org/apache/mahout/cf/taste/impl/recommender/svd/ALSWRFactorizer.java	(Arbeitskopie)
@@ -173,6 +173,7 @@
     }
 
     for (int iteration = 0; iteration < numIterations; iteration++) {
+      long start = System.currentTimeMillis();
       log.info("iteration {}", iteration);
 
       /* fix M - compute U */
@@ -249,6 +250,7 @@
           log.warn("Error when computing item features", e);
         }
       }
+      System.out.println(System.currentTimeMillis() - start);
     }
 
     log.info("finished computation of the factorization...");
Index: core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/Testing.java
===================================================================
--- core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/Testing.java	(Revision 0)
+++ core/src/main/java/org/apache/mahout/cf/taste/hadoop/als/Testing.java	(Revision 0)
@@ -0,0 +1,21 @@
+package org.apache.mahout.cf.taste.hadoop.als;
+
+import org.apache.mahout.cf.taste.impl.model.file.FileDataModel;
+import org.apache.mahout.cf.taste.impl.recommender.svd.ALSWRFactorizer;
+
+import java.io.File;
+
+public class Testing {
+
+  public static void main(String[] args) throws Exception {
+
+    FileDataModel dataModel = new FileDataModel(new File("/home/ssc/Entwicklung/datasets/movielens1M/movielens.csv"));
+
+    ALSWRFactorizer factorizer = new ALSWRFactorizer(dataModel, 100, 0.065, 8);
+
+    factorizer.factorize();
+
+
+  }
+
+}