forgot to add util folder in optimization library

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@206 ec762483-ff6d-05da-a07a-a48fb63a330f

1 files changed, 47 insertions, 0 deletions

diff --git a/gi/posterior-regularisation/prjava/src/util/MemoryTracker.java b/gi/posterior-regularisation/prjava/src/util/MemoryTracker.java
new file mode 100644
index 00000000..83a65611
--- /dev/null
+++ b/gi/posterior-regularisation/prjava/src/util/MemoryTracker.java
@@ -0,0 +1,47 @@
+package util;
+
+
+public class MemoryTracker {
+	
+	double initM,finalM;
+	boolean start = false,finish = false;
+	
+	public MemoryTracker(){
+		
+	}
+	
+	public void start(){
+		System.gc();
+	    System.gc();
+	    System.gc();
+	    initM = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/(1024*1024);  
+	    start = true;
+	}
+	
+	public void finish(){
+		if(!start){
+			throw new RuntimeException("Canot stop before starting");
+		}
+		System.gc();
+	    System.gc();
+	    System.gc();
+	    finalM = (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())/(1024*1024);  
+	    finish = true;
+	}
+	
+	public String print(){
+		if(!finish){
+			throw new RuntimeException("Canot print before stopping");
+		}
+		return "Used: " + (finalM - initM) + "MB";
+	}
+	
+	public void clear(){
+		initM = 0;
+		finalM = 0;
+		finish = false;
+		start = false;
+	}
+	
+	
+}