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comparison test/compiler/8004867/TestIntUnsafeCAS.java @ 8079:ad736b4683b4

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8004867: VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob" Summary: Added few checks and early bailout from Superword optimization to avoid such cases in a future. Reviewed-by: roland, twisti
author kvn
date Mon, 18 Feb 2013 16:47:15 -0800
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8078:a2bc322ca273 8079:ad736b4683b4
1 /*
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /**
26 * @test
27 * @bug 8004867
28 * @summary VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob"
29 *
30 * @run main/othervm/timeout=300 -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:-OptimizeFill TestIntUnsafeCAS
31 * @run main/othervm/timeout=300 -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:+OptimizeFill TestIntUnsafeCAS
32 */
33
34 import sun.misc.Unsafe;
35 import java.lang.reflect.*;
36
37 public class TestIntUnsafeCAS {
38 private static final int ARRLEN = 97;
39 private static final int ITERS = 11000;
40 private static final int OFFSET = 3;
41 private static final int SCALE = 2;
42 private static final int ALIGN_OFF = 8;
43 private static final int UNALIGN_OFF = 5;
44
45 private static final Unsafe unsafe;
46 private static final int BASE;
47 static {
48 try {
49 Class c = TestIntUnsafeCAS.class.getClassLoader().loadClass("sun.misc.Unsafe");
50 Field f = c.getDeclaredField("theUnsafe");
51 f.setAccessible(true);
52 unsafe = (Unsafe)f.get(c);
53 BASE = unsafe.arrayBaseOffset(int[].class);
54 } catch (Exception e) {
55 InternalError err = new InternalError();
56 err.initCause(e);
57 throw err;
58 }
59 }
60
61 public static void main(String args[]) {
62 System.out.println("Testing Integer array unsafe CAS operations");
63 int errn = test(false);
64 if (errn > 0) {
65 System.err.println("FAILED: " + errn + " errors");
66 System.exit(97);
67 }
68 System.out.println("PASSED");
69 }
70
71 static int test(boolean test_only) {
72 int[] a1 = new int[ARRLEN];
73 int[] a2 = new int[ARRLEN];
74 // Initialize
75 for (int i=0; i<ARRLEN; i++) {
76 a1[i] = -1;
77 a2[i] = -1;
78 }
79 System.out.println("Warmup");
80 for (int i=0; i<ITERS; i++) {
81 test_ci(a1);
82 test_vi(a2, 123, -1);
83 test_cp(a1, a2);
84 test_2ci(a1, a2);
85 test_2vi(a1, a2, 123, 103);
86 test_ci_neg(a1, 123);
87 test_vi_neg(a2, 123, 103);
88 test_cp_neg(a1, a2);
89 test_2ci_neg(a1, a2);
90 test_2vi_neg(a1, a2, 123, 103);
91 test_ci_oppos(a1, 123);
92 test_vi_oppos(a2, 123, 103);
93 test_cp_oppos(a1, a2);
94 test_2ci_oppos(a1, a2);
95 test_2vi_oppos(a1, a2, 123, 103);
96 test_ci_off(a1, 123);
97 test_vi_off(a2, 123, 103);
98 test_cp_off(a1, a2);
99 test_2ci_off(a1, a2);
100 test_2vi_off(a1, a2, 123, 103);
101 test_ci_inv(a1, OFFSET, 123);
102 test_vi_inv(a2, 123, OFFSET, 103);
103 test_cp_inv(a1, a2, OFFSET);
104 test_2ci_inv(a1, a2, OFFSET);
105 test_2vi_inv(a1, a2, 123, 103, OFFSET);
106 test_ci_scl(a1, 123);
107 test_vi_scl(a2, 123, 103);
108 test_cp_scl(a1, a2);
109 test_2ci_scl(a1, a2);
110 test_2vi_scl(a1, a2, 123, 103);
111 test_cp_alndst(a1, a2);
112 test_cp_alnsrc(a1, a2);
113 test_2ci_aln(a1, a2);
114 test_2vi_aln(a1, a2, 123, 103);
115 test_cp_unalndst(a1, a2);
116 test_cp_unalnsrc(a1, a2);
117 test_2ci_unaln(a1, a2);
118 test_2vi_unaln(a1, a2, 123, 103);
119 }
120 // Initialize
121 for (int i=0; i<ARRLEN; i++) {
122 a1[i] = -1;
123 a2[i] = -1;
124 }
125 // Test and verify results
126 System.out.println("Verification");
127 int errn = 0;
128 {
129 test_ci(a1);
130 for (int i=0; i<ARRLEN; i++) {
131 errn += verify("test_ci: a1", i, a1[i], -123);
132 }
133 test_vi(a2, 123, -1);
134 for (int i=0; i<ARRLEN; i++) {
135 errn += verify("test_vi: a2", i, a2[i], 123);
136 }
137 test_cp(a1, a2);
138 for (int i=0; i<ARRLEN; i++) {
139 errn += verify("test_cp: a1", i, a1[i], 123);
140 }
141 test_2ci(a1, a2);
142 for (int i=0; i<ARRLEN; i++) {
143 errn += verify("test_2ci: a1", i, a1[i], -123);
144 errn += verify("test_2ci: a2", i, a2[i], -103);
145 }
146 test_2vi(a1, a2, 123, 103);
147 for (int i=0; i<ARRLEN; i++) {
148 errn += verify("test_2vi: a1", i, a1[i], 123);
149 errn += verify("test_2vi: a2", i, a2[i], 103);
150 }
151 // Reset for negative stride
152 for (int i=0; i<ARRLEN; i++) {
153 a1[i] = -1;
154 a2[i] = -1;
155 }
156 test_ci_neg(a1, -1);
157 for (int i=0; i<ARRLEN; i++) {
158 errn += verify("test_ci_neg: a1", i, a1[i], -123);
159 }
160 test_vi_neg(a2, 123, -1);
161 for (int i=0; i<ARRLEN; i++) {
162 errn += verify("test_vi_neg: a2", i, a2[i], 123);
163 }
164 test_cp_neg(a1, a2);
165 for (int i=0; i<ARRLEN; i++) {
166 errn += verify("test_cp_neg: a1", i, a1[i], 123);
167 }
168 test_2ci_neg(a1, a2);
169 for (int i=0; i<ARRLEN; i++) {
170 errn += verify("test_2ci_neg: a1", i, a1[i], -123);
171 errn += verify("test_2ci_neg: a2", i, a2[i], -103);
172 }
173 test_2vi_neg(a1, a2, 123, 103);
174 for (int i=0; i<ARRLEN; i++) {
175 errn += verify("test_2vi_neg: a1", i, a1[i], 123);
176 errn += verify("test_2vi_neg: a2", i, a2[i], 103);
177 }
178 // Reset for opposite stride
179 for (int i=0; i<ARRLEN; i++) {
180 a1[i] = -1;
181 a2[i] = -1;
182 }
183 test_ci_oppos(a1, -1);
184 for (int i=0; i<ARRLEN; i++) {
185 errn += verify("test_ci_oppos: a1", i, a1[i], -123);
186 }
187 test_vi_oppos(a2, 123, -1);
188 for (int i=0; i<ARRLEN; i++) {
189 errn += verify("test_vi_oppos: a2", i, a2[i], 123);
190 }
191 test_cp_oppos(a1, a2);
192 for (int i=0; i<ARRLEN; i++) {
193 errn += verify("test_cp_oppos: a1", i, a1[i], 123);
194 }
195 test_2ci_oppos(a1, a2);
196 for (int i=0; i<ARRLEN; i++) {
197 errn += verify("test_2ci_oppos: a1", i, a1[i], -123);
198 errn += verify("test_2ci_oppos: a2", i, a2[i], -103);
199 }
200 test_2vi_oppos(a1, a2, 123, 103);
201 for (int i=0; i<ARRLEN; i++) {
202 errn += verify("test_2vi_oppos: a1", i, a1[i], 123);
203 errn += verify("test_2vi_oppos: a2", i, a2[i], 103);
204 }
205 // Reset for indexing with offset
206 for (int i=0; i<ARRLEN; i++) {
207 a1[i] = -1;
208 a2[i] = -1;
209 }
210 test_ci_off(a1, -1);
211 for (int i=OFFSET; i<ARRLEN; i++) {
212 errn += verify("test_ci_off: a1", i, a1[i], -123);
213 }
214 test_vi_off(a2, 123, -1);
215 for (int i=OFFSET; i<ARRLEN; i++) {
216 errn += verify("test_vi_off: a2", i, a2[i], 123);
217 }
218 test_cp_off(a1, a2);
219 for (int i=OFFSET; i<ARRLEN; i++) {
220 errn += verify("test_cp_off: a1", i, a1[i], 123);
221 }
222 test_2ci_off(a1, a2);
223 for (int i=OFFSET; i<ARRLEN; i++) {
224 errn += verify("test_2ci_off: a1", i, a1[i], -123);
225 errn += verify("test_2ci_off: a2", i, a2[i], -103);
226 }
227 test_2vi_off(a1, a2, 123, 103);
228 for (int i=OFFSET; i<ARRLEN; i++) {
229 errn += verify("test_2vi_off: a1", i, a1[i], 123);
230 errn += verify("test_2vi_off: a2", i, a2[i], 103);
231 }
232 for (int i=0; i<OFFSET; i++) {
233 errn += verify("test_2vi_off: a1", i, a1[i], -1);
234 errn += verify("test_2vi_off: a2", i, a2[i], -1);
235 }
236 // Reset for indexing with invariant offset
237 for (int i=0; i<ARRLEN; i++) {
238 a1[i] = -1;
239 a2[i] = -1;
240 }
241 test_ci_inv(a1, OFFSET, -1);
242 for (int i=OFFSET; i<ARRLEN; i++) {
243 errn += verify("test_ci_inv: a1", i, a1[i], -123);
244 }
245 test_vi_inv(a2, 123, OFFSET, -1);
246 for (int i=OFFSET; i<ARRLEN; i++) {
247 errn += verify("test_vi_inv: a2", i, a2[i], 123);
248 }
249 test_cp_inv(a1, a2, OFFSET);
250 for (int i=OFFSET; i<ARRLEN; i++) {
251 errn += verify("test_cp_inv: a1", i, a1[i], 123);
252 }
253 test_2ci_inv(a1, a2, OFFSET);
254 for (int i=OFFSET; i<ARRLEN; i++) {
255 errn += verify("test_2ci_inv: a1", i, a1[i], -123);
256 errn += verify("test_2ci_inv: a2", i, a2[i], -103);
257 }
258 test_2vi_inv(a1, a2, 123, 103, OFFSET);
259 for (int i=OFFSET; i<ARRLEN; i++) {
260 errn += verify("test_2vi_inv: a1", i, a1[i], 123);
261 errn += verify("test_2vi_inv: a2", i, a2[i], 103);
262 }
263 for (int i=0; i<OFFSET; i++) {
264 errn += verify("test_2vi_inv: a1", i, a1[i], -1);
265 errn += verify("test_2vi_inv: a2", i, a2[i], -1);
266 }
267 // Reset for indexing with scale
268 for (int i=0; i<ARRLEN; i++) {
269 a1[i] = -1;
270 a2[i] = -1;
271 }
272 test_ci_scl(a1, -1);
273 for (int i=0; i<ARRLEN; i++) {
274 int val = (i%SCALE != 0) ? -1 : -123;
275 errn += verify("test_ci_scl: a1", i, a1[i], val);
276 }
277 test_vi_scl(a2, 123, -1);
278 for (int i=0; i<ARRLEN; i++) {
279 int val = (i%SCALE != 0) ? -1 : 123;
280 errn += verify("test_vi_scl: a2", i, a2[i], val);
281 }
282 test_cp_scl(a1, a2);
283 for (int i=0; i<ARRLEN; i++) {
284 int val = (i%SCALE != 0) ? -1 : 123;
285 errn += verify("test_cp_scl: a1", i, a1[i], val);
286 }
287 test_2ci_scl(a1, a2);
288 for (int i=0; i<ARRLEN; i++) {
289 if (i%SCALE != 0) {
290 errn += verify("test_2ci_scl: a1", i, a1[i], -1);
291 } else if (i*SCALE < ARRLEN) {
292 errn += verify("test_2ci_scl: a1", i*SCALE, a1[i*SCALE], -123);
293 }
294 if (i%SCALE != 0) {
295 errn += verify("test_2ci_scl: a2", i, a2[i], -1);
296 } else if (i*SCALE < ARRLEN) {
297 errn += verify("test_2ci_scl: a2", i*SCALE, a2[i*SCALE], -103);
298 }
299 }
300 test_2vi_scl(a1, a2, 123, 103);
301 for (int i=0; i<ARRLEN; i++) {
302 if (i%SCALE != 0) {
303 errn += verify("test_2vi_scl: a1", i, a1[i], -1);
304 } else if (i*SCALE < ARRLEN) {
305 errn += verify("test_2vi_scl: a1", i*SCALE, a1[i*SCALE], 123);
306 }
307 if (i%SCALE != 0) {
308 errn += verify("test_2vi_scl: a2", i, a2[i], -1);
309 } else if (i*SCALE < ARRLEN) {
310 errn += verify("test_2vi_scl: a2", i*SCALE, a2[i*SCALE], 103);
311 }
312 }
313 // Reset for 2 arrays with relative aligned offset
314 for (int i=0; i<ARRLEN; i++) {
315 a1[i] = -1;
316 a2[i] = -1;
317 }
318 test_vi(a2, 123, -1);
319 test_cp_alndst(a1, a2);
320 for (int i=0; i<ALIGN_OFF; i++) {
321 errn += verify("test_cp_alndst: a1", i, a1[i], -1);
322 }
323 for (int i=ALIGN_OFF; i<ARRLEN; i++) {
324 errn += verify("test_cp_alndst: a1", i, a1[i], 123);
325 }
326 for (int i=0; i<ALIGN_OFF; i++) {
327 a1[i] = 123;
328 }
329 test_vi(a2, -123, 123);
330 test_cp_alnsrc(a1, a2);
331 for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
332 errn += verify("test_cp_alnsrc: a1", i, a1[i], -123);
333 }
334 for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
335 errn += verify("test_cp_alnsrc: a1", i, a1[i], 123);
336 }
337 for (int i=0; i<ARRLEN; i++) {
338 a1[i] = -1;
339 a2[i] = -1;
340 }
341 test_2ci_aln(a1, a2);
342 for (int i=0; i<ALIGN_OFF; i++) {
343 errn += verify("test_2ci_aln: a1", i, a1[i], -1);
344 }
345 for (int i=ALIGN_OFF; i<ARRLEN; i++) {
346 errn += verify("test_2ci_aln: a1", i, a1[i], -123);
347 }
348 for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
349 errn += verify("test_2ci_aln: a2", i, a2[i], -103);
350 }
351 for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
352 errn += verify("test_2ci_aln: a2", i, a2[i], -1);
353 }
354 for (int i=0; i<ARRLEN; i++) {
355 a1[i] = -1;
356 a2[i] = -1;
357 }
358 test_2vi_aln(a1, a2, 123, 103);
359 for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
360 errn += verify("test_2vi_aln: a1", i, a1[i], 123);
361 }
362 for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
363 errn += verify("test_2vi_aln: a1", i, a1[i], -1);
364 }
365 for (int i=0; i<ALIGN_OFF; i++) {
366 errn += verify("test_2vi_aln: a2", i, a2[i], -1);
367 }
368 for (int i=ALIGN_OFF; i<ARRLEN; i++) {
369 errn += verify("test_2vi_aln: a2", i, a2[i], 103);
370 }
371
372 // Reset for 2 arrays with relative unaligned offset
373 for (int i=0; i<ARRLEN; i++) {
374 a1[i] = -1;
375 a2[i] = -1;
376 }
377 test_vi(a2, 123, -1);
378 test_cp_unalndst(a1, a2);
379 for (int i=0; i<UNALIGN_OFF; i++) {
380 errn += verify("test_cp_unalndst: a1", i, a1[i], -1);
381 }
382 for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
383 errn += verify("test_cp_unalndst: a1", i, a1[i], 123);
384 }
385 test_vi(a2, -123, 123);
386 test_cp_unalnsrc(a1, a2);
387 for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
388 errn += verify("test_cp_unalnsrc: a1", i, a1[i], -123);
389 }
390 for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
391 errn += verify("test_cp_unalnsrc: a1", i, a1[i], 123);
392 }
393 for (int i=0; i<ARRLEN; i++) {
394 a1[i] = -1;
395 a2[i] = -1;
396 }
397 test_2ci_unaln(a1, a2);
398 for (int i=0; i<UNALIGN_OFF; i++) {
399 errn += verify("test_2ci_unaln: a1", i, a1[i], -1);
400 }
401 for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
402 errn += verify("test_2ci_unaln: a1", i, a1[i], -123);
403 }
404 for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
405 errn += verify("test_2ci_unaln: a2", i, a2[i], -103);
406 }
407 for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
408 errn += verify("test_2ci_unaln: a2", i, a2[i], -1);
409 }
410 for (int i=0; i<ARRLEN; i++) {
411 a1[i] = -1;
412 a2[i] = -1;
413 }
414 test_2vi_unaln(a1, a2, 123, 103);
415 for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
416 errn += verify("test_2vi_unaln: a1", i, a1[i], 123);
417 }
418 for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
419 errn += verify("test_2vi_unaln: a1", i, a1[i], -1);
420 }
421 for (int i=0; i<UNALIGN_OFF; i++) {
422 errn += verify("test_2vi_unaln: a2", i, a2[i], -1);
423 }
424 for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
425 errn += verify("test_2vi_unaln: a2", i, a2[i], 103);
426 }
427
428 // Reset for aligned overlap initialization
429 for (int i=0; i<ALIGN_OFF; i++) {
430 a1[i] = i;
431 }
432 for (int i=ALIGN_OFF; i<ARRLEN; i++) {
433 a1[i] = -1;
434 }
435 test_cp_alndst(a1, a1);
436 for (int i=0; i<ARRLEN; i++) {
437 int v = i%ALIGN_OFF;
438 errn += verify("test_cp_alndst_overlap: a1", i, a1[i], v);
439 }
440 for (int i=0; i<ALIGN_OFF; i++) {
441 a1[i+ALIGN_OFF] = -1;
442 }
443 test_cp_alnsrc(a1, a1);
444 for (int i=0; i<ALIGN_OFF; i++) {
445 errn += verify("test_cp_alnsrc_overlap: a1", i, a1[i], -1);
446 }
447 for (int i=ALIGN_OFF; i<ARRLEN; i++) {
448 int v = i%ALIGN_OFF;
449 errn += verify("test_cp_alnsrc_overlap: a1", i, a1[i], v);
450 }
451 for (int i=0; i<ARRLEN; i++) {
452 a1[i] = -1;
453 }
454 test_2ci_aln(a1, a1);
455 for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
456 errn += verify("test_2ci_aln_overlap: a1", i, a1[i], -103);
457 }
458 for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
459 errn += verify("test_2ci_aln_overlap: a1", i, a1[i], -123);
460 }
461 for (int i=0; i<ARRLEN; i++) {
462 a1[i] = -1;
463 }
464 test_2vi_aln(a1, a1, 123, 103);
465 for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
466 errn += verify("test_2vi_aln_overlap: a1", i, a1[i], 123);
467 }
468 for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
469 errn += verify("test_2vi_aln_overlap: a1", i, a1[i], 103);
470 }
471
472 // Reset for unaligned overlap initialization
473 for (int i=0; i<UNALIGN_OFF; i++) {
474 a1[i] = i;
475 }
476 for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
477 a1[i] = -1;
478 }
479 test_cp_unalndst(a1, a1);
480 for (int i=0; i<ARRLEN; i++) {
481 int v = i%UNALIGN_OFF;
482 errn += verify("test_cp_unalndst_overlap: a1", i, a1[i], v);
483 }
484 for (int i=0; i<UNALIGN_OFF; i++) {
485 a1[i+UNALIGN_OFF] = -1;
486 }
487 test_cp_unalnsrc(a1, a1);
488 for (int i=0; i<UNALIGN_OFF; i++) {
489 errn += verify("test_cp_unalnsrc_overlap: a1", i, a1[i], -1);
490 }
491 for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
492 int v = i%UNALIGN_OFF;
493 errn += verify("test_cp_unalnsrc_overlap: a1", i, a1[i], v);
494 }
495 for (int i=0; i<ARRLEN; i++) {
496 a1[i] = -1;
497 }
498 test_2ci_unaln(a1, a1);
499 for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
500 errn += verify("test_2ci_unaln_overlap: a1", i, a1[i], -103);
501 }
502 for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
503 errn += verify("test_2ci_unaln_overlap: a1", i, a1[i], -123);
504 }
505 for (int i=0; i<ARRLEN; i++) {
506 a1[i] = -1;
507 }
508 test_2vi_unaln(a1, a1, 123, 103);
509 for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
510 errn += verify("test_2vi_unaln_overlap: a1", i, a1[i], 123);
511 }
512 for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
513 errn += verify("test_2vi_unaln_overlap: a1", i, a1[i], 103);
514 }
515
516 }
517
518 if (errn > 0 || test_only)
519 return errn;
520
521 // Initialize
522 for (int i=0; i<ARRLEN; i++) {
523 a1[i] = -1;
524 a2[i] = -1;
525 }
526 System.out.println("Time");
527 long start, end;
528 start = System.currentTimeMillis();
529 for (int i=0; i<ITERS; i++) {
530 test_ci(a1);
531 }
532 end = System.currentTimeMillis();
533 System.out.println("test_ci: " + (end - start));
534 start = System.currentTimeMillis();
535 for (int i=0; i<ITERS; i++) {
536 test_vi(a2, 123, -1);
537 }
538 end = System.currentTimeMillis();
539 System.out.println("test_vi: " + (end - start));
540 start = System.currentTimeMillis();
541 for (int i=0; i<ITERS; i++) {
542 test_cp(a1, a2);
543 }
544 end = System.currentTimeMillis();
545 System.out.println("test_cp: " + (end - start));
546 start = System.currentTimeMillis();
547 for (int i=0; i<ITERS; i++) {
548 test_2ci(a1, a2);
549 }
550 end = System.currentTimeMillis();
551 System.out.println("test_2ci: " + (end - start));
552 start = System.currentTimeMillis();
553 for (int i=0; i<ITERS; i++) {
554 test_2vi(a1, a2, 123, 103);
555 }
556 end = System.currentTimeMillis();
557 System.out.println("test_2vi: " + (end - start));
558
559 start = System.currentTimeMillis();
560 for (int i=0; i<ITERS; i++) {
561 test_ci_neg(a1, 123);
562 }
563 end = System.currentTimeMillis();
564 System.out.println("test_ci_neg: " + (end - start));
565 start = System.currentTimeMillis();
566 for (int i=0; i<ITERS; i++) {
567 test_vi_neg(a2, 123, 103);
568 }
569 end = System.currentTimeMillis();
570 System.out.println("test_vi_neg: " + (end - start));
571 start = System.currentTimeMillis();
572 for (int i=0; i<ITERS; i++) {
573 test_cp_neg(a1, a2);
574 }
575 end = System.currentTimeMillis();
576 System.out.println("test_cp_neg: " + (end - start));
577 start = System.currentTimeMillis();
578 for (int i=0; i<ITERS; i++) {
579 test_2ci_neg(a1, a2);
580 }
581 end = System.currentTimeMillis();
582 System.out.println("test_2ci_neg: " + (end - start));
583 start = System.currentTimeMillis();
584 for (int i=0; i<ITERS; i++) {
585 test_2vi_neg(a1, a2, 123, 103);
586 }
587 end = System.currentTimeMillis();
588 System.out.println("test_2vi_neg: " + (end - start));
589
590 start = System.currentTimeMillis();
591 for (int i=0; i<ITERS; i++) {
592 test_ci_oppos(a1, 123);
593 }
594 end = System.currentTimeMillis();
595 System.out.println("test_ci_oppos: " + (end - start));
596 start = System.currentTimeMillis();
597 for (int i=0; i<ITERS; i++) {
598 test_vi_oppos(a2, 123, 103);
599 }
600 end = System.currentTimeMillis();
601 System.out.println("test_vi_oppos: " + (end - start));
602 start = System.currentTimeMillis();
603 for (int i=0; i<ITERS; i++) {
604 test_cp_oppos(a1, a2);
605 }
606 end = System.currentTimeMillis();
607 System.out.println("test_cp_oppos: " + (end - start));
608 start = System.currentTimeMillis();
609 for (int i=0; i<ITERS; i++) {
610 test_2ci_oppos(a1, a2);
611 }
612 end = System.currentTimeMillis();
613 System.out.println("test_2ci_oppos: " + (end - start));
614 start = System.currentTimeMillis();
615 for (int i=0; i<ITERS; i++) {
616 test_2vi_oppos(a1, a2, 123, 103);
617 }
618 end = System.currentTimeMillis();
619 System.out.println("test_2vi_oppos: " + (end - start));
620
621 start = System.currentTimeMillis();
622 for (int i=0; i<ITERS; i++) {
623 test_ci_off(a1, 123);
624 }
625 end = System.currentTimeMillis();
626 System.out.println("test_ci_off: " + (end - start));
627 start = System.currentTimeMillis();
628 for (int i=0; i<ITERS; i++) {
629 test_vi_off(a2, 123, 103);
630 }
631 end = System.currentTimeMillis();
632 System.out.println("test_vi_off: " + (end - start));
633 start = System.currentTimeMillis();
634 for (int i=0; i<ITERS; i++) {
635 test_cp_off(a1, a2);
636 }
637 end = System.currentTimeMillis();
638 System.out.println("test_cp_off: " + (end - start));
639 start = System.currentTimeMillis();
640 for (int i=0; i<ITERS; i++) {
641 test_2ci_off(a1, a2);
642 }
643 end = System.currentTimeMillis();
644 System.out.println("test_2ci_off: " + (end - start));
645 start = System.currentTimeMillis();
646 for (int i=0; i<ITERS; i++) {
647 test_2vi_off(a1, a2, 123, 103);
648 }
649 end = System.currentTimeMillis();
650 System.out.println("test_2vi_off: " + (end - start));
651
652 start = System.currentTimeMillis();
653 for (int i=0; i<ITERS; i++) {
654 test_ci_inv(a1, OFFSET, 123);
655 }
656 end = System.currentTimeMillis();
657 System.out.println("test_ci_inv: " + (end - start));
658 start = System.currentTimeMillis();
659 for (int i=0; i<ITERS; i++) {
660 test_vi_inv(a2, 123, OFFSET, 103);
661 }
662 end = System.currentTimeMillis();
663 System.out.println("test_vi_inv: " + (end - start));
664 start = System.currentTimeMillis();
665 for (int i=0; i<ITERS; i++) {
666 test_cp_inv(a1, a2, OFFSET);
667 }
668 end = System.currentTimeMillis();
669 System.out.println("test_cp_inv: " + (end - start));
670 start = System.currentTimeMillis();
671 for (int i=0; i<ITERS; i++) {
672 test_2ci_inv(a1, a2, OFFSET);
673 }
674 end = System.currentTimeMillis();
675 System.out.println("test_2ci_inv: " + (end - start));
676 start = System.currentTimeMillis();
677 for (int i=0; i<ITERS; i++) {
678 test_2vi_inv(a1, a2, 123, 103, OFFSET);
679 }
680 end = System.currentTimeMillis();
681 System.out.println("test_2vi_inv: " + (end - start));
682
683 start = System.currentTimeMillis();
684 for (int i=0; i<ITERS; i++) {
685 test_ci_scl(a1, 123);
686 }
687 end = System.currentTimeMillis();
688 System.out.println("test_ci_scl: " + (end - start));
689 start = System.currentTimeMillis();
690 for (int i=0; i<ITERS; i++) {
691 test_vi_scl(a2, 123, 103);
692 }
693 end = System.currentTimeMillis();
694 System.out.println("test_vi_scl: " + (end - start));
695 start = System.currentTimeMillis();
696 for (int i=0; i<ITERS; i++) {
697 test_cp_scl(a1, a2);
698 }
699 end = System.currentTimeMillis();
700 System.out.println("test_cp_scl: " + (end - start));
701 start = System.currentTimeMillis();
702 for (int i=0; i<ITERS; i++) {
703 test_2ci_scl(a1, a2);
704 }
705 end = System.currentTimeMillis();
706 System.out.println("test_2ci_scl: " + (end - start));
707 start = System.currentTimeMillis();
708 for (int i=0; i<ITERS; i++) {
709 test_2vi_scl(a1, a2, 123, 103);
710 }
711 end = System.currentTimeMillis();
712 System.out.println("test_2vi_scl: " + (end - start));
713
714 start = System.currentTimeMillis();
715 for (int i=0; i<ITERS; i++) {
716 test_cp_alndst(a1, a2);
717 }
718 end = System.currentTimeMillis();
719 System.out.println("test_cp_alndst: " + (end - start));
720 start = System.currentTimeMillis();
721 for (int i=0; i<ITERS; i++) {
722 test_cp_alnsrc(a1, a2);
723 }
724 end = System.currentTimeMillis();
725 System.out.println("test_cp_alnsrc: " + (end - start));
726 start = System.currentTimeMillis();
727 for (int i=0; i<ITERS; i++) {
728 test_2ci_aln(a1, a2);
729 }
730 end = System.currentTimeMillis();
731 System.out.println("test_2ci_aln: " + (end - start));
732 start = System.currentTimeMillis();
733 for (int i=0; i<ITERS; i++) {
734 test_2vi_aln(a1, a2, 123, 103);
735 }
736 end = System.currentTimeMillis();
737 System.out.println("test_2vi_aln: " + (end - start));
738
739 start = System.currentTimeMillis();
740 for (int i=0; i<ITERS; i++) {
741 test_cp_unalndst(a1, a2);
742 }
743 end = System.currentTimeMillis();
744 System.out.println("test_cp_unalndst: " + (end - start));
745 start = System.currentTimeMillis();
746 for (int i=0; i<ITERS; i++) {
747 test_cp_unalnsrc(a1, a2);
748 }
749 end = System.currentTimeMillis();
750 System.out.println("test_cp_unalnsrc: " + (end - start));
751 start = System.currentTimeMillis();
752 for (int i=0; i<ITERS; i++) {
753 test_2ci_unaln(a1, a2);
754 }
755 end = System.currentTimeMillis();
756 System.out.println("test_2ci_unaln: " + (end - start));
757 start = System.currentTimeMillis();
758 for (int i=0; i<ITERS; i++) {
759 test_2vi_unaln(a1, a2, 123, 103);
760 }
761 end = System.currentTimeMillis();
762 System.out.println("test_2vi_unaln: " + (end - start));
763
764 return errn;
765 }
766
767 private final static long byte_offset(int i) {
768 return ((long)i << 2) + BASE;
769 }
770
771 static void test_ci(int[] a) {
772 for (int i = 0; i < ARRLEN; i+=1) {
773 unsafe.compareAndSwapInt(a, byte_offset(i), -1, -123);
774 }
775 }
776 static void test_vi(int[] a, int b, int old) {
777 for (int i = 0; i < ARRLEN; i+=1) {
778 unsafe.compareAndSwapInt(a, byte_offset(i), old, b);
779 }
780 }
781 static void test_cp(int[] a, int[] b) {
782 for (int i = 0; i < ARRLEN; i+=1) {
783 unsafe.compareAndSwapInt(a, byte_offset(i), -123, b[i]);
784 }
785 }
786 static void test_2ci(int[] a, int[] b) {
787 for (int i = 0; i < ARRLEN; i+=1) {
788 unsafe.compareAndSwapInt(a, byte_offset(i), 123, -123);
789 unsafe.compareAndSwapInt(b, byte_offset(i), 123, -103);
790 }
791 }
792 static void test_2vi(int[] a, int[] b, int c, int d) {
793 for (int i = 0; i < ARRLEN; i+=1) {
794 unsafe.compareAndSwapInt(a, byte_offset(i), -123, c);
795 unsafe.compareAndSwapInt(b, byte_offset(i), -103, d);
796 }
797 }
798 static void test_ci_neg(int[] a, int old) {
799 for (int i = ARRLEN-1; i >= 0; i-=1) {
800 unsafe.compareAndSwapInt(a, byte_offset(i), old, -123);
801 }
802 }
803 static void test_vi_neg(int[] a, int b, int old) {
804 for (int i = ARRLEN-1; i >= 0; i-=1) {
805 unsafe.compareAndSwapInt(a, byte_offset(i), old, b);
806 }
807 }
808 static void test_cp_neg(int[] a, int[] b) {
809 for (int i = ARRLEN-1; i >= 0; i-=1) {
810 unsafe.compareAndSwapInt(a, byte_offset(i), -123, b[i]);
811 }
812 }
813 static void test_2ci_neg(int[] a, int[] b) {
814 for (int i = ARRLEN-1; i >= 0; i-=1) {
815 unsafe.compareAndSwapInt(a, byte_offset(i), 123, -123);
816 unsafe.compareAndSwapInt(b, byte_offset(i), 123, -103);
817 }
818 }
819 static void test_2vi_neg(int[] a, int[] b, int c, int d) {
820 for (int i = ARRLEN-1; i >= 0; i-=1) {
821 unsafe.compareAndSwapInt(a, byte_offset(i), -123, c);
822 unsafe.compareAndSwapInt(b, byte_offset(i), -103, d);
823 }
824 }
825 static void test_ci_oppos(int[] a, int old) {
826 int limit = ARRLEN-1;
827 for (int i = 0; i < ARRLEN; i+=1) {
828 unsafe.compareAndSwapInt(a, byte_offset(limit-i), old, -123);
829 }
830 }
831 static void test_vi_oppos(int[] a, int b, int old) {
832 int limit = ARRLEN-1;
833 for (int i = limit; i >= 0; i-=1) {
834 unsafe.compareAndSwapInt(a, byte_offset(limit-i), old, b);
835 }
836 }
837 static void test_cp_oppos(int[] a, int[] b) {
838 int limit = ARRLEN-1;
839 for (int i = 0; i < ARRLEN; i+=1) {
840 unsafe.compareAndSwapInt(a, byte_offset(i), -123, b[limit-i]);
841 }
842 }
843 static void test_2ci_oppos(int[] a, int[] b) {
844 int limit = ARRLEN-1;
845 for (int i = 0; i < ARRLEN; i+=1) {
846 unsafe.compareAndSwapInt(a, byte_offset(limit-i), 123, -123);
847 unsafe.compareAndSwapInt(b, byte_offset(i), 123, -103);
848 }
849 }
850 static void test_2vi_oppos(int[] a, int[] b, int c, int d) {
851 int limit = ARRLEN-1;
852 for (int i = limit; i >= 0; i-=1) {
853 unsafe.compareAndSwapInt(a, byte_offset(i), -123, c);
854 unsafe.compareAndSwapInt(b, byte_offset(limit-i), -103, d);
855 }
856 }
857 static void test_ci_off(int[] a, int old) {
858 for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
859 unsafe.compareAndSwapInt(a, byte_offset(i+OFFSET), old, -123);
860 }
861 }
862 static void test_vi_off(int[] a, int b, int old) {
863 for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
864 unsafe.compareAndSwapInt(a, byte_offset(i+OFFSET), old, b);
865 }
866 }
867 static void test_cp_off(int[] a, int[] b) {
868 for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
869 unsafe.compareAndSwapInt(a, byte_offset(i+OFFSET), -123, b[i+OFFSET]);
870 }
871 }
872 static void test_2ci_off(int[] a, int[] b) {
873 for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
874 unsafe.compareAndSwapInt(a, byte_offset(i+OFFSET), 123, -123);
875 unsafe.compareAndSwapInt(b, byte_offset(i+OFFSET), 123, -103);
876 }
877 }
878 static void test_2vi_off(int[] a, int[] b, int c, int d) {
879 for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
880 unsafe.compareAndSwapInt(a, byte_offset(i+OFFSET), -123, c);
881 unsafe.compareAndSwapInt(b, byte_offset(i+OFFSET), -103, d);
882 }
883 }
884 static void test_ci_inv(int[] a, int k, int old) {
885 for (int i = 0; i < ARRLEN-k; i+=1) {
886 unsafe.compareAndSwapInt(a, byte_offset(i+k), old, -123);
887 }
888 }
889 static void test_vi_inv(int[] a, int b, int k, int old) {
890 for (int i = 0; i < ARRLEN-k; i+=1) {
891 unsafe.compareAndSwapInt(a, byte_offset(i+k), old, b);
892 }
893 }
894 static void test_cp_inv(int[] a, int[] b, int k) {
895 for (int i = 0; i < ARRLEN-k; i+=1) {
896 unsafe.compareAndSwapInt(a, byte_offset(i+k), -123, b[i+k]);
897 }
898 }
899 static void test_2ci_inv(int[] a, int[] b, int k) {
900 for (int i = 0; i < ARRLEN-k; i+=1) {
901 unsafe.compareAndSwapInt(a, byte_offset(i+k), 123, -123);
902 unsafe.compareAndSwapInt(b, byte_offset(i+k), 123, -103);
903 }
904 }
905 static void test_2vi_inv(int[] a, int[] b, int c, int d, int k) {
906 for (int i = 0; i < ARRLEN-k; i+=1) {
907 unsafe.compareAndSwapInt(a, byte_offset(i+k), -123, c);
908 unsafe.compareAndSwapInt(b, byte_offset(i+k), -103, d);
909 }
910 }
911 static void test_ci_scl(int[] a, int old) {
912 for (int i = 0; i*SCALE < ARRLEN; i+=1) {
913 unsafe.compareAndSwapInt(a, byte_offset(i*SCALE), old, -123);
914 }
915 }
916 static void test_vi_scl(int[] a, int b, int old) {
917 for (int i = 0; i*SCALE < ARRLEN; i+=1) {
918 unsafe.compareAndSwapInt(a, byte_offset(i*SCALE), old, b);
919 }
920 }
921 static void test_cp_scl(int[] a, int[] b) {
922 for (int i = 0; i*SCALE < ARRLEN; i+=1) {
923 unsafe.compareAndSwapInt(a, byte_offset(i*SCALE), -123, b[i*SCALE]);
924 }
925 }
926 static void test_2ci_scl(int[] a, int[] b) {
927 for (int i = 0; i*SCALE < ARRLEN; i+=1) {
928 unsafe.compareAndSwapInt(a, byte_offset(i*SCALE), 123, -123);
929 unsafe.compareAndSwapInt(b, byte_offset(i*SCALE), 123, -103);
930 }
931 }
932 static void test_2vi_scl(int[] a, int[] b, int c, int d) {
933 for (int i = 0; i*SCALE < ARRLEN; i+=1) {
934 unsafe.compareAndSwapInt(a, byte_offset(i*SCALE), -123, c);
935 unsafe.compareAndSwapInt(b, byte_offset(i*SCALE), -103, d);
936 }
937 }
938 static void test_cp_alndst(int[] a, int[] b) {
939 for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
940 unsafe.compareAndSwapInt(a, byte_offset(i+ALIGN_OFF), -1, b[i]);
941 }
942 }
943 static void test_cp_alnsrc(int[] a, int[] b) {
944 for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
945 int old = unsafe.getIntVolatile(a, byte_offset(i));
946 unsafe.compareAndSwapInt(a, byte_offset(i), old, b[i+ALIGN_OFF]);
947 }
948 }
949 static void test_2ci_aln(int[] a, int[] b) {
950 for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
951 unsafe.compareAndSwapInt(a, byte_offset(i+ALIGN_OFF), -1, -123);
952 int old = unsafe.getIntVolatile(b, byte_offset(i));
953 unsafe.compareAndSwapInt(b, byte_offset(i), old, -103);
954 }
955 }
956 static void test_2vi_aln(int[] a, int[] b, int c, int d) {
957 for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
958 int old = unsafe.getIntVolatile(a, byte_offset(i));
959 unsafe.compareAndSwapInt(a, byte_offset(i), old, c);
960 old = unsafe.getIntVolatile(b, byte_offset(i+ALIGN_OFF));
961 unsafe.compareAndSwapInt(b, byte_offset(i+ALIGN_OFF), old, d);
962 }
963 }
964 static void test_cp_unalndst(int[] a, int[] b) {
965 for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
966 unsafe.compareAndSwapInt(a, byte_offset(i+UNALIGN_OFF), -1, b[i]);
967 }
968 }
969 static void test_cp_unalnsrc(int[] a, int[] b) {
970 for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
971 int old = unsafe.getIntVolatile(a, byte_offset(i));
972 unsafe.compareAndSwapInt(a, byte_offset(i), old, b[i+UNALIGN_OFF]);
973 }
974 }
975 static void test_2ci_unaln(int[] a, int[] b) {
976 for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
977 unsafe.compareAndSwapInt(a, byte_offset(i+UNALIGN_OFF), -1, -123);
978 int old = unsafe.getIntVolatile(b, byte_offset(i));
979 unsafe.compareAndSwapInt(b, byte_offset(i), old, -103);
980 }
981 }
982 static void test_2vi_unaln(int[] a, int[] b, int c, int d) {
983 for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
984 int old = unsafe.getIntVolatile(a, byte_offset(i));
985 unsafe.compareAndSwapInt(a, byte_offset(i), old, c);
986 old = unsafe.getIntVolatile(b, byte_offset(i+UNALIGN_OFF));
987 unsafe.compareAndSwapInt(b, byte_offset(i+UNALIGN_OFF), old, d);
988 }
989 }
990
991 static int verify(String text, int i, int elem, int val) {
992 if (elem != val) {
993 System.err.println(text + "[" + i + "] = " + elem + " != " + val);
994 return 1;
995 }
996 return 0;
997 }
998 }