X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.databoard%2Fscratch%2Forg%2Fsimantics%2Fdataboard%2Ftests%2FTestByteVsInt.java;fp=bundles%2Forg.simantics.databoard%2Fscratch%2Forg%2Fsimantics%2Fdataboard%2Ftests%2FTestByteVsInt.java;h=a1fb05b81ae1706109bd63271393bc94382a18ea;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/TestByteVsInt.java b/bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/TestByteVsInt.java
new file mode 100644
index 000000000..a1fb05b81
--- /dev/null
+++ b/bundles/org.simantics.databoard/scratch/org/simantics/databoard/tests/TestByteVsInt.java
@@ -0,0 +1,105 @@
+package org.simantics.databoard.tests;
+
+/**
+ *
+ * @author Toni Kalajainen <toni.kalajainen@iki.fi>
+ */
+public class TestByteVsInt {
+
+	public static byte sum(byte a, byte b, byte c, byte d, byte e, byte f) {
+		return (byte) (a+b+c+d+e+f);
+	}
+	
+	public static int sum(int a, int b, int c, int d, int e, int f) {
+		return a+b+c+d+e+f;
+	}
+	
+	public static long sum(long a, long b, long c, long d, long e, long f) {
+		return a+b+c+d+e+f;
+	}
+	
+	public static void byteTest() {
+		System.gc();
+		{
+			long x = System.nanoTime();
+			byte a = 6, b=3, c=67, d=2, e=-53, f=1;
+			for (int i=0; i<1000000; i++) {
+				a = sum(a, b, c, d, e, f);
+				b = sum(b, c, d, e, f, a);
+				c = sum(c, d, e, f, a, b);
+				d = sum(d, e, f, a, b, c);
+				e = sum(e, f, a, b, c, d);
+				f = sum(f, a, b, c, d, e);				
+			}
+			long y = System.nanoTime();
+			System.out.println("byte: "+(y-x)/*+" (sum="+(a+b+c+d+e+f)+")"*/);
+		}
+	}
+	
+	public static void intTest() {
+		System.gc();
+		{
+			long x = System.nanoTime();
+			int a = 6, b=3, c=67, d=2, e=-53, f=1;
+			for (int i=0; i<1000000; i++) {
+				a = sum(a, b, c, d, e, f);
+				b = sum(b, c, d, e, f, a);
+				c = sum(c, d, e, f, a, b);
+				d = sum(d, e, f, a, b, c);
+				e = sum(e, f, a, b, c, d);
+				f = sum(f, a, b, c, d, e);				
+			}
+			long y = System.nanoTime();
+			System.out.println("int : "+(y-x)/*+" (sum="+(a+b+c+d+e+f)+")"*/);
+		}				
+	}
+	
+	public static void longTest() {
+		System.gc();
+		{
+			long x = System.nanoTime();
+			long a = 6, b=3, c=67, d=2, e=-53, f=1;
+			for (int i=0; i<1000000; i++) {
+				a = sum(a, b, c, d, e, f);
+				b = sum(b, c, d, e, f, a);
+				c = sum(c, d, e, f, a, b);
+				d = sum(d, e, f, a, b, c);
+				e = sum(e, f, a, b, c, d);
+				f = sum(f, a, b, c, d, e);				
+			}
+			long y = System.nanoTime();
+			System.out.println("long: "+(y-x)/*+" (sum="+(a+b+c+d+e+f)+")"*/);
+		}
+	}
+	
+	
+	
+	public static void main(String[] args) {
+		
+		byteTest();
+		intTest();
+		longTest();
+		
+		byteTest();
+		intTest();
+		longTest();
+
+		byteTest();
+		intTest();
+		longTest();
+		
+		byteTest();
+		intTest();
+		longTest();
+
+		byteTest();
+		intTest();
+		longTest();
+
+		byteTest();
+		intTest();
+		longTest();
+		
+	}
+	
+}