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Add HumongousReferenceObjectTest
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(cherry picked from commit b094588)
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@tkrodriguez @marwan-hallaoui
tkrodriguez authored and marwan-hallaoui committed Oct 3, 2023
1 parent f278cb7 commit 33bde2c
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3 changes: 3 additions & 0 deletions compiler/mx.compiler/suite.py
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"org.graalvm.compiler.options"
],
"requiresConcealed" : {
"java.base" : [
"jdk.internal.vm.annotation",
],
"jdk.internal.vm.ci" : [
"jdk.vm.ci.code",
"jdk.vm.ci.common",
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378 changes: 378 additions & 0 deletions ...alvm.compiler.jtt/src/org/graalvm/compiler/hotspot/test/HumongousReferenceObjectTest.java
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/*
* Copyright (c) 2016, 2023, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 org.graalvm.compiler.hotspot.test;

import java.io.IOException;
import java.util.Arrays;

import org.graalvm.compiler.core.test.SubprocessTest;
import org.junit.Test;

import jdk.internal.vm.annotation.Contended;

@SuppressWarnings("unused")
public class HumongousReferenceObjectTest extends SubprocessTest {
/*
* Due to 300 fields with 8K @Contended padding around each field, it takes 2.4M bytes per
* instance. With small G1 regions, it is bound to cross regions. G1 should properly (card) mark
* the object nevertheless. With 128M heap, it is enough to allocate ~100 of these objects to
* provoke at least one GC.
*/

static volatile Object instance;

public static void testSnippet() {
for (int c = 0; c < 100; c++) {
instance = new HumongousReferenceObjectTest();
}
}

public void runSubprocessTest(String... args) throws IOException, InterruptedException {
launchSubprocess(() -> {
test("testSnippet");
}, args);

// Test without assertions as well
String[] newArgs = Arrays.copyOf(args, args.length + 1);
newArgs[args.length] = "-da";
launchSubprocess(() -> {
test("testSnippet");
}, newArgs);
}

@Test
public void testG1() throws IOException, InterruptedException {
String[] sizes = {"-XX:G1HeapRegionSize=1M", "-XX:G1HeapRegionSize=2M", "-XX:G1HeapRegionSize=4M", "-XX:G1HeapRegionSize=8M"};
for (String size : sizes) {
runSubprocessTest("-XX:+UseG1GC", "-XX:+EnableContended", "-XX:-RestrictContended", "-Xmx128m", "-XX:ContendedPaddingWidth=8192", size);
}
}

@Test
public void testParallel() throws IOException, InterruptedException {
runSubprocessTest("-XX:+UseParallelGC", "-XX:+EnableContended", "-XX:-RestrictContended", "-Xmx128m", "-XX:ContendedPaddingWidth=8192");
}

@Contended Integer int1 = 1;
@Contended Integer int2 = 2;
@Contended Integer int3 = 3;
@Contended Integer int4 = 4;
@Contended Integer int5 = 5;
@Contended Integer int6 = 6;
@Contended Integer int7 = 7;
@Contended Integer int8 = 8;
@Contended Integer int9 = 9;
@Contended Integer int10 = 10;
@Contended Integer int11 = 11;
@Contended Integer int12 = 12;
@Contended Integer int13 = 13;
@Contended Integer int14 = 14;
@Contended Integer int15 = 15;
@Contended Integer int16 = 16;
@Contended Integer int17 = 17;
@Contended Integer int18 = 18;
@Contended Integer int19 = 19;
@Contended Integer int20 = 20;
@Contended Integer int21 = 21;
@Contended Integer int22 = 22;
@Contended Integer int23 = 23;
@Contended Integer int24 = 24;
@Contended Integer int25 = 25;
@Contended Integer int26 = 26;
@Contended Integer int27 = 27;
@Contended Integer int28 = 28;
@Contended Integer int29 = 29;
@Contended Integer int30 = 30;
@Contended Integer int31 = 31;
@Contended Integer int32 = 32;
@Contended Integer int33 = 33;
@Contended Integer int34 = 34;
@Contended Integer int35 = 35;
@Contended Integer int36 = 36;
@Contended Integer int37 = 37;
@Contended Integer int38 = 38;
@Contended Integer int39 = 39;
@Contended Integer int40 = 40;
@Contended Integer int41 = 41;
@Contended Integer int42 = 42;
@Contended Integer int43 = 43;
@Contended Integer int44 = 44;
@Contended Integer int45 = 45;
@Contended Integer int46 = 46;
@Contended Integer int47 = 47;
@Contended Integer int48 = 48;
@Contended Integer int49 = 49;
@Contended Integer int50 = 50;
@Contended Integer int51 = 51;
@Contended Integer int52 = 52;
@Contended Integer int53 = 53;
@Contended Integer int54 = 54;
@Contended Integer int55 = 55;
@Contended Integer int56 = 56;
@Contended Integer int57 = 57;
@Contended Integer int58 = 58;
@Contended Integer int59 = 59;
@Contended Integer int60 = 60;
@Contended Integer int61 = 61;
@Contended Integer int62 = 62;
@Contended Integer int63 = 63;
@Contended Integer int64 = 64;
@Contended Integer int65 = 65;
@Contended Integer int66 = 66;
@Contended Integer int67 = 67;
@Contended Integer int68 = 68;
@Contended Integer int69 = 69;
@Contended Integer int70 = 70;
@Contended Integer int71 = 71;
@Contended Integer int72 = 72;
@Contended Integer int73 = 73;
@Contended Integer int74 = 74;
@Contended Integer int75 = 75;
@Contended Integer int76 = 76;
@Contended Integer int77 = 77;
@Contended Integer int78 = 78;
@Contended Integer int79 = 79;
@Contended Integer int80 = 80;
@Contended Integer int81 = 81;
@Contended Integer int82 = 82;
@Contended Integer int83 = 83;
@Contended Integer int84 = 84;
@Contended Integer int85 = 85;
@Contended Integer int86 = 86;
@Contended Integer int87 = 87;
@Contended Integer int88 = 88;
@Contended Integer int89 = 89;
@Contended Integer int90 = 90;
@Contended Integer int91 = 91;
@Contended Integer int92 = 92;
@Contended Integer int93 = 93;
@Contended Integer int94 = 94;
@Contended Integer int95 = 95;
@Contended Integer int96 = 96;
@Contended Integer int97 = 97;
@Contended Integer int98 = 98;
@Contended Integer int99 = 99;
@Contended Integer int100 = 100;
@Contended Integer int101 = 101;
@Contended Integer int102 = 102;
@Contended Integer int103 = 103;
@Contended Integer int104 = 104;
@Contended Integer int105 = 105;
@Contended Integer int106 = 106;
@Contended Integer int107 = 107;
@Contended Integer int108 = 108;
@Contended Integer int109 = 109;
@Contended Integer int110 = 110;
@Contended Integer int111 = 111;
@Contended Integer int112 = 112;
@Contended Integer int113 = 113;
@Contended Integer int114 = 114;
@Contended Integer int115 = 115;
@Contended Integer int116 = 116;
@Contended Integer int117 = 117;
@Contended Integer int118 = 118;
@Contended Integer int119 = 119;
@Contended Integer int120 = 120;
@Contended Integer int121 = 121;
@Contended Integer int122 = 122;
@Contended Integer int123 = 123;
@Contended Integer int124 = 124;
@Contended Integer int125 = 125;
@Contended Integer int126 = 126;
@Contended Integer int127 = 127;
@Contended Integer int128 = 128;
@Contended Integer int129 = 129;
@Contended Integer int130 = 130;
@Contended Integer int131 = 131;
@Contended Integer int132 = 132;
@Contended Integer int133 = 133;
@Contended Integer int134 = 134;
@Contended Integer int135 = 135;
@Contended Integer int136 = 136;
@Contended Integer int137 = 137;
@Contended Integer int138 = 138;
@Contended Integer int139 = 139;
@Contended Integer int140 = 140;
@Contended Integer int141 = 141;
@Contended Integer int142 = 142;
@Contended Integer int143 = 143;
@Contended Integer int144 = 144;
@Contended Integer int145 = 145;
@Contended Integer int146 = 146;
@Contended Integer int147 = 147;
@Contended Integer int148 = 148;
@Contended Integer int149 = 149;
@Contended Integer int150 = 150;
@Contended Integer int151 = 151;
@Contended Integer int152 = 152;
@Contended Integer int153 = 153;
@Contended Integer int154 = 154;
@Contended Integer int155 = 155;
@Contended Integer int156 = 156;
@Contended Integer int157 = 157;
@Contended Integer int158 = 158;
@Contended Integer int159 = 159;
@Contended Integer int160 = 160;
@Contended Integer int161 = 161;
@Contended Integer int162 = 162;
@Contended Integer int163 = 163;
@Contended Integer int164 = 164;
@Contended Integer int165 = 165;
@Contended Integer int166 = 166;
@Contended Integer int167 = 167;
@Contended Integer int168 = 168;
@Contended Integer int169 = 169;
@Contended Integer int170 = 170;
@Contended Integer int171 = 171;
@Contended Integer int172 = 172;
@Contended Integer int173 = 173;
@Contended Integer int174 = 174;
@Contended Integer int175 = 175;
@Contended Integer int176 = 176;
@Contended Integer int177 = 177;
@Contended Integer int178 = 178;
@Contended Integer int179 = 179;
@Contended Integer int180 = 180;
@Contended Integer int181 = 181;
@Contended Integer int182 = 182;
@Contended Integer int183 = 183;
@Contended Integer int184 = 184;
@Contended Integer int185 = 185;
@Contended Integer int186 = 186;
@Contended Integer int187 = 187;
@Contended Integer int188 = 188;
@Contended Integer int189 = 189;
@Contended Integer int190 = 190;
@Contended Integer int191 = 191;
@Contended Integer int192 = 192;
@Contended Integer int193 = 193;
@Contended Integer int194 = 194;
@Contended Integer int195 = 195;
@Contended Integer int196 = 196;
@Contended Integer int197 = 197;
@Contended Integer int198 = 198;
@Contended Integer int199 = 199;
@Contended Integer int200 = 200;
@Contended Integer int201 = 201;
@Contended Integer int202 = 202;
@Contended Integer int203 = 203;
@Contended Integer int204 = 204;
@Contended Integer int205 = 205;
@Contended Integer int206 = 206;
@Contended Integer int207 = 207;
@Contended Integer int208 = 208;
@Contended Integer int209 = 209;
@Contended Integer int210 = 210;
@Contended Integer int211 = 211;
@Contended Integer int212 = 212;
@Contended Integer int213 = 213;
@Contended Integer int214 = 214;
@Contended Integer int215 = 215;
@Contended Integer int216 = 216;
@Contended Integer int217 = 217;
@Contended Integer int218 = 218;
@Contended Integer int219 = 219;
@Contended Integer int220 = 220;
@Contended Integer int221 = 221;
@Contended Integer int222 = 222;
@Contended Integer int223 = 223;
@Contended Integer int224 = 224;
@Contended Integer int225 = 225;
@Contended Integer int226 = 226;
@Contended Integer int227 = 227;
@Contended Integer int228 = 228;
@Contended Integer int229 = 229;
@Contended Integer int230 = 230;
@Contended Integer int231 = 231;
@Contended Integer int232 = 232;
@Contended Integer int233 = 233;
@Contended Integer int234 = 234;
@Contended Integer int235 = 235;
@Contended Integer int236 = 236;
@Contended Integer int237 = 237;
@Contended Integer int238 = 238;
@Contended Integer int239 = 239;
@Contended Integer int240 = 240;
@Contended Integer int241 = 241;
@Contended Integer int242 = 242;
@Contended Integer int243 = 243;
@Contended Integer int244 = 244;
@Contended Integer int245 = 245;
@Contended Integer int246 = 246;
@Contended Integer int247 = 247;
@Contended Integer int248 = 248;
@Contended Integer int249 = 249;
@Contended Integer int250 = 250;
@Contended Integer int251 = 251;
@Contended Integer int252 = 252;
@Contended Integer int253 = 253;
@Contended Integer int254 = 254;
@Contended Integer int255 = 255;
@Contended Integer int256 = 256;
@Contended Integer int257 = 257;
@Contended Integer int258 = 258;
@Contended Integer int259 = 259;
@Contended Integer int260 = 260;
@Contended Integer int261 = 261;
@Contended Integer int262 = 262;
@Contended Integer int263 = 263;
@Contended Integer int264 = 264;
@Contended Integer int265 = 265;
@Contended Integer int266 = 266;
@Contended Integer int267 = 267;
@Contended Integer int268 = 268;
@Contended Integer int269 = 269;
@Contended Integer int270 = 270;
@Contended Integer int271 = 271;
@Contended Integer int272 = 272;
@Contended Integer int273 = 273;
@Contended Integer int274 = 274;
@Contended Integer int275 = 275;
@Contended Integer int276 = 276;
@Contended Integer int277 = 277;
@Contended Integer int278 = 278;
@Contended Integer int279 = 279;
@Contended Integer int280 = 280;
@Contended Integer int281 = 281;
@Contended Integer int282 = 282;
@Contended Integer int283 = 283;
@Contended Integer int284 = 284;
@Contended Integer int285 = 285;
@Contended Integer int286 = 286;
@Contended Integer int287 = 287;
@Contended Integer int288 = 288;
@Contended Integer int289 = 289;
@Contended Integer int290 = 290;
@Contended Integer int291 = 291;
@Contended Integer int292 = 292;
@Contended Integer int293 = 293;
@Contended Integer int294 = 294;
@Contended Integer int295 = 295;
@Contended Integer int296 = 296;
@Contended Integer int297 = 297;
@Contended Integer int298 = 298;
@Contended Integer int299 = 299;
@Contended Integer int300 = 300;
}

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