benchmarks/sieve/src/test/java/org/apidesign/benchmark/sieve/SieveTest.java
author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
Mon, 25 Jan 2016 06:40:40 +0100
changeset 1857 f1344425bcb1
parent 1854 826eb936c9a8
child 1860 4ce38f21f4cd
permissions -rw-r--r--
Some operations are faster when included in the generated code rather than dispatched to Number.prototype
     1 /**
     2  * Back 2 Browser Bytecode Translator
     3  * Copyright (C) 2012-2015 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, version 2 of the License.
     8  *
     9  * This program is distributed in the hope that it will be useful,
    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12  * GNU General Public License for more details.
    13  *
    14  * You should have received a copy of the GNU General Public License
    15  * along with this program. Look for COPYING file in the top folder.
    16  * If not, see http://opensource.org/licenses/GPL-2.0.
    17  */
    18 package org.apidesign.benchmark.sieve;
    19 
    20 import java.io.IOException;
    21 import net.java.html.js.JavaScriptBody;
    22 import org.apidesign.bck2brwsr.vmtest.Compare;
    23 import org.apidesign.bck2brwsr.vmtest.VMTest;
    24 import org.testng.annotations.Factory;
    25 
    26 /**
    27  *
    28  * @author Jaroslav Tulach <jtulach@netbeans.org>
    29  */
    30 public class SieveTest extends Primes {
    31     public SieveTest() {
    32     }
    33 
    34     @JavaScriptBody(args = {  }, body = "return new Date().getTime();")
    35     protected int time() {
    36         return (int) System.currentTimeMillis();
    37     }
    38 
    39     @Compare(scripting = false) 
    40     public int oneThousand() throws IOException {
    41         SieveTest sieve = new SieveTest();
    42         int now = time();
    43         int res = sieve.compute(1000);
    44         int took = time() - now;
    45         log("oneThousand in " + took + " ms");
    46         return res;
    47     }
    48 
    49     @Compare(scripting = false)
    50     public int fiveThousand() throws IOException {
    51         SieveTest sieve = new SieveTest();
    52         int now = time();
    53         int res = sieve.compute(5000);
    54         int took = time() - now;
    55         log("oneThousand in " + took + " ms");
    56         return res;
    57     }
    58     
    59     @Factory
    60     public static Object[] create() {
    61         return VMTest.create(SieveTest.class);
    62     }
    63 
    64     @JavaScriptBody(args = { "msg" }, body = "if (typeof console !== 'undefined') console.log(msg);")
    65     @Override
    66     protected void log(String msg) {
    67         System.err.println(msg);
    68     }
    69 }