You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
1.2 KiB
54 lines
1.2 KiB
package com.jotuntech.sketcher.tests;
|
|
|
|
|
|
public class CacheTest {
|
|
static int[] intArray;
|
|
static short[] shortArray;
|
|
|
|
public static void main(String[] args) {
|
|
for(int i = 0; i < 1000; i++) {
|
|
test();
|
|
}
|
|
}
|
|
|
|
static private void fillArrays() {
|
|
intArray = new int[512];
|
|
shortArray = new short[512];
|
|
for(int i = 0; i < 512; ++i) {
|
|
intArray[i] = (int) Math.round(Math.random() * 511d);
|
|
shortArray[i] = (short) Math.round(Math.random() * 511d);
|
|
}
|
|
}
|
|
|
|
static private void test() {
|
|
fillArrays();
|
|
long intStart = System.nanoTime();
|
|
for(int i = 0; i < 8192; i++) {
|
|
testInt();
|
|
}
|
|
long intStop = System.nanoTime();
|
|
long intTime = intStop - intStart;
|
|
|
|
long shortStart = System.nanoTime();
|
|
for(int i = 0; i < 8192; i++) {
|
|
testShort();
|
|
}
|
|
long shortStop = System.nanoTime();
|
|
long shortTime = shortStop - shortStart;
|
|
|
|
System.err.println("Integer test: " + intTime + " ns");
|
|
System.err.println("Short test: " + shortTime + " ns");
|
|
}
|
|
|
|
static private void testInt() {
|
|
for(int i = 0; i < 512; ++i) {
|
|
intArray[i] ^= intArray[i] >> 1;
|
|
}
|
|
}
|
|
|
|
static private void testShort() {
|
|
for(int i = 0; i < 512; ++i) {
|
|
shortArray[i] ^= shortArray[i] >> 1;
|
|
}
|
|
}
|
|
}
|
|
|