File: TestVectorMaskTrueCount.java

package info (click to toggle)
openjdk-25 25~32ea-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 825,280 kB
  • sloc: java: 5,584,902; cpp: 1,333,941; xml: 1,321,242; ansic: 487,993; asm: 404,003; objc: 21,088; sh: 15,102; javascript: 13,265; python: 8,319; makefile: 2,515; perl: 357; awk: 351; pascal: 103; exp: 83; sed: 72; jsp: 24
file content (141 lines) | stat: -rw-r--r-- 4,943 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*
 * Copyright (c) 2023, Arm Limited. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package compiler.vectorapi;

import compiler.lib.ir_framework.*;
import java.util.Random;
import jdk.incubator.vector.*;
import jdk.test.lib.Asserts;
import jdk.test.lib.Utils;

/**
 * @test
 * @bug 8307795
 * @key randomness
 * @library /test/lib /
 * @requires os.arch=="aarch64"
 * @summary AArch64: Optimize VectorMask.truecount() on Neon
 * @modules jdk.incubator.vector
 *
 * @run driver compiler.vectorapi.TestVectorMaskTrueCount
 */

public class TestVectorMaskTrueCount {
    private static final VectorSpecies<Float> SPECIES_F = FloatVector.SPECIES_64;
    private static final VectorSpecies<Double> SPECIES_D = DoubleVector.SPECIES_128;
    private static final VectorSpecies<Integer> SPECIES_I = IntVector.SPECIES_128;
    private static final int LENGTH = 1024;
    private static final Random RD = new Random();
    private static boolean[] ba;
    private static boolean[] bb;

    static {
        ba = new boolean[LENGTH];
        bb = new boolean[LENGTH];
        for (int i = 0; i < LENGTH; i++) {
            ba[i] = RD.nextBoolean();
            bb[i] = RD.nextBoolean();
        }
    }

    static int maskAndTrueCount(boolean[] a, boolean[] b, int idx, int count) {
        int trueCount = 0;
        boolean[] c = new boolean[count];

        for (int i = idx; i < idx + count; i++) {
            c[i - idx] = a[i] & b[i];
        }

        for (int i = 0; i < c.length; i++) {
            trueCount += c[i] ? 1 : 0;
        }

        return trueCount;
    }

    static void assertArrayEqualsFloat(int[] r, boolean[] a, boolean[] b) {
        for (int i = 0; i < a.length; i += SPECIES_F.length()) {
            Asserts.assertEquals(r[i], maskAndTrueCount(a, b, i, SPECIES_F.length()));
        }
    }

    static void assertArrayEqualsDouble(int[] r, boolean[] a, boolean[] b) {
        for (int i = 0; i < a.length; i += SPECIES_D.length()) {
            Asserts.assertEquals(r[i], maskAndTrueCount(a, b, i, SPECIES_D.length()));
        }
    }

    static void assertArrayEqualsInteger(int[] r, boolean[] a, boolean[] b) {
        for (int i = 0; i < a.length; i += SPECIES_I.length()) {
            Asserts.assertEquals(r[i], maskAndTrueCount(a, b, i, SPECIES_I.length()));
        }
    }

    @Test
    @IR(counts = { IRNode.VSTOREMASK_TRUECOUNT, ">= 1" })
    public static void testFloat() {
        int[] r = new int[LENGTH];
        for (int i = 0; i < LENGTH; i += SPECIES_F.length()) {
            VectorMask<Float> ma = VectorMask.fromArray(SPECIES_F, ba, i);
            VectorMask<Float> mb = VectorMask.fromArray(SPECIES_F, bb, i);
            r[i] = ma.and(mb).trueCount();
        }

        assertArrayEqualsFloat(r, ba, bb);
    }

    @Test
    @IR(counts = { IRNode.VSTOREMASK_TRUECOUNT, ">= 1" })
    public static void testDouble() {
        int[] r = new int[LENGTH];
        for (int i = 0; i < LENGTH; i += SPECIES_D.length()) {
            VectorMask<Double> ma = VectorMask.fromArray(SPECIES_D, ba, i);
            VectorMask<Double> mb = VectorMask.fromArray(SPECIES_D, bb, i);
            r[i] = ma.and(mb).trueCount();
        }

        assertArrayEqualsDouble(r, ba, bb);
    }

    @Test
    @IR(counts = { IRNode.VSTOREMASK_TRUECOUNT, ">= 1" })
    public static void testInt() {
        int[] r = new int[LENGTH];
        for (int i = 0; i < LENGTH; i += SPECIES_I.length()) {
            VectorMask<Integer> ma = VectorMask.fromArray(SPECIES_I, ba, i);
            VectorMask<Integer> mb = VectorMask.fromArray(SPECIES_I, bb, i);
            r[i] = ma.and(mb).trueCount();
        }

        assertArrayEqualsInteger(r, ba, bb);
    }

    public static void main(String[] args) {
        TestFramework testFramework = new TestFramework();
        testFramework.setDefaultWarmup(10000)
                     .addFlags("--add-modules=jdk.incubator.vector")
                     .addFlags("-XX:UseSVE=0")
                     .start();
    }
}