1 package hat;
 2 
 3 /*
 4  * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
 5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 6  *
 7  * This code is free software; you can redistribute it and/or modify it
 8  * under the terms of the GNU General Public License version 2 only, as
 9  * published by the Free Software Foundation.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 import hat.backend.java.JavaMultiThreadedBackend;
27 import hat.buffer.S32Array;
28 import org.testng.Assert;
29 import org.testng.annotations.Test;
30 
31 import jdk.incubator.code.CodeReflection;
32 
33 
34 /*
35  * @test
36  * @run testng hat.CustomOpTest
37  */
38 
39 public class SquaresTest {
40     @CodeReflection
41     public static void squareKernel(KernelContext kc, S32Array s32Array) {
42         if (kc.x<kc.maxX){
43             int value = s32Array.array(kc.x);     // arr[cc.x]
44             s32Array.array(kc.x, value * value);  // arr[cc.x]=value*value
45         }
46     }
47 
48     @CodeReflection
49     public static void square(ComputeContext cc, S32Array s32Array) {
50         cc.dispatchKernel(s32Array.length(),
51                 kc -> squareKernel(kc, s32Array)
52         );
53     }
54 
55   @Test
56        void    testSquares(){
57         var lookup = java.lang.invoke.MethodHandles.lookup();
58         var accelerator = new Accelerator(lookup, new JavaMultiThreadedBackend());
59         var arr = S32Array.create(accelerator, 32);
60         for (int i = 0; i < arr.length(); i++) {
61             arr.array(i, i);
62         }
63         accelerator.compute(
64                 cc -> SquaresTest.square(cc, arr)  //QuotableComputeContextConsumer
65         );                                     //   extends Quotable, Consumer<ComputeContext>
66         for (int i = 0; i < arr.length(); i++) {
67             Assert.assertEquals(i*i, arr.array(i));
68         }
69     }
70 
71 }