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
/*
* Copyright (c) 2013, 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.
*
* 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.
*
*/
/**
* @test
* @bug 8004867
* @summary VM crashing with assert "share/vm/opto/node.hpp:357 - assert(i < _max) failed: oob"
*
* @run main/othervm/timeout=300 -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:-OptimizeFill TestIntUnsafeVolatile
* @run main/othervm/timeout=300 -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:-TieredCompilation -XX:+OptimizeFill TestIntUnsafeVolatile
*/
import sun.misc.Unsafe;
import java.lang.reflect.*;
public class TestIntUnsafeVolatile {
private static final int ARRLEN = 97;
private static final int ITERS = 11000;
private static final int OFFSET = 3;
private static final int SCALE = 2;
private static final int ALIGN_OFF = 8;
private static final int UNALIGN_OFF = 5;
private static final Unsafe unsafe;
private static final int BASE;
static {
try {
Class c = TestIntUnsafeVolatile.class.getClassLoader().loadClass("sun.misc.Unsafe");
Field f = c.getDeclaredField("theUnsafe");
f.setAccessible(true);
unsafe = (Unsafe)f.get(c);
BASE = unsafe.arrayBaseOffset(int[].class);
} catch (Exception e) {
InternalError err = new InternalError();
err.initCause(e);
throw err;
}
}
public static void main(String args[]) {
System.out.println("Testing Integer array unsafe volatile operations");
int errn = test(false);
if (errn > 0) {
System.err.println("FAILED: " + errn + " errors");
System.exit(97);
}
System.out.println("PASSED");
}
static int test(boolean test_only) {
int[] a1 = new int[ARRLEN];
int[] a2 = new int[ARRLEN];
// Initialize
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
System.out.println("Warmup");
for (int i=0; i<ITERS; i++) {
test_ci(a1);
test_vi(a2, 123, -1);
test_cp(a1, a2);
test_2ci(a1, a2);
test_2vi(a1, a2, 123, 103);
test_ci_neg(a1, 123);
test_vi_neg(a2, 123, 103);
test_cp_neg(a1, a2);
test_2ci_neg(a1, a2);
test_2vi_neg(a1, a2, 123, 103);
test_ci_oppos(a1, 123);
test_vi_oppos(a2, 123, 103);
test_cp_oppos(a1, a2);
test_2ci_oppos(a1, a2);
test_2vi_oppos(a1, a2, 123, 103);
test_ci_off(a1, 123);
test_vi_off(a2, 123, 103);
test_cp_off(a1, a2);
test_2ci_off(a1, a2);
test_2vi_off(a1, a2, 123, 103);
test_ci_inv(a1, OFFSET, 123);
test_vi_inv(a2, 123, OFFSET, 103);
test_cp_inv(a1, a2, OFFSET);
test_2ci_inv(a1, a2, OFFSET);
test_2vi_inv(a1, a2, 123, 103, OFFSET);
test_ci_scl(a1, 123);
test_vi_scl(a2, 123, 103);
test_cp_scl(a1, a2);
test_2ci_scl(a1, a2);
test_2vi_scl(a1, a2, 123, 103);
test_cp_alndst(a1, a2);
test_cp_alnsrc(a1, a2);
test_2ci_aln(a1, a2);
test_2vi_aln(a1, a2, 123, 103);
test_cp_unalndst(a1, a2);
test_cp_unalnsrc(a1, a2);
test_2ci_unaln(a1, a2);
test_2vi_unaln(a1, a2, 123, 103);
}
// Initialize
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
// Test and verify results
System.out.println("Verification");
int errn = 0;
{
test_ci(a1);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_ci: a1", i, a1[i], -123);
}
test_vi(a2, 123, -1);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_vi: a2", i, a2[i], 123);
}
test_cp(a1, a2);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_cp: a1", i, a1[i], 123);
}
test_2ci(a1, a2);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_2ci: a1", i, a1[i], -123);
errn += verify("test_2ci: a2", i, a2[i], -103);
}
test_2vi(a1, a2, 123, 103);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_2vi: a1", i, a1[i], 123);
errn += verify("test_2vi: a2", i, a2[i], 103);
}
// Reset for negative stride
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_ci_neg(a1, -1);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_ci_neg: a1", i, a1[i], -123);
}
test_vi_neg(a2, 123, -1);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_vi_neg: a2", i, a2[i], 123);
}
test_cp_neg(a1, a2);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_cp_neg: a1", i, a1[i], 123);
}
test_2ci_neg(a1, a2);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_2ci_neg: a1", i, a1[i], -123);
errn += verify("test_2ci_neg: a2", i, a2[i], -103);
}
test_2vi_neg(a1, a2, 123, 103);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_2vi_neg: a1", i, a1[i], 123);
errn += verify("test_2vi_neg: a2", i, a2[i], 103);
}
// Reset for opposite stride
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_ci_oppos(a1, -1);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_ci_oppos: a1", i, a1[i], -123);
}
test_vi_oppos(a2, 123, -1);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_vi_oppos: a2", i, a2[i], 123);
}
test_cp_oppos(a1, a2);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_cp_oppos: a1", i, a1[i], 123);
}
test_2ci_oppos(a1, a2);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_2ci_oppos: a1", i, a1[i], -123);
errn += verify("test_2ci_oppos: a2", i, a2[i], -103);
}
test_2vi_oppos(a1, a2, 123, 103);
for (int i=0; i<ARRLEN; i++) {
errn += verify("test_2vi_oppos: a1", i, a1[i], 123);
errn += verify("test_2vi_oppos: a2", i, a2[i], 103);
}
// Reset for indexing with offset
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_ci_off(a1, -1);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_ci_off: a1", i, a1[i], -123);
}
test_vi_off(a2, 123, -1);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_vi_off: a2", i, a2[i], 123);
}
test_cp_off(a1, a2);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_cp_off: a1", i, a1[i], 123);
}
test_2ci_off(a1, a2);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_2ci_off: a1", i, a1[i], -123);
errn += verify("test_2ci_off: a2", i, a2[i], -103);
}
test_2vi_off(a1, a2, 123, 103);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_2vi_off: a1", i, a1[i], 123);
errn += verify("test_2vi_off: a2", i, a2[i], 103);
}
for (int i=0; i<OFFSET; i++) {
errn += verify("test_2vi_off: a1", i, a1[i], -1);
errn += verify("test_2vi_off: a2", i, a2[i], -1);
}
// Reset for indexing with invariant offset
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_ci_inv(a1, OFFSET, -1);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_ci_inv: a1", i, a1[i], -123);
}
test_vi_inv(a2, 123, OFFSET, -1);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_vi_inv: a2", i, a2[i], 123);
}
test_cp_inv(a1, a2, OFFSET);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_cp_inv: a1", i, a1[i], 123);
}
test_2ci_inv(a1, a2, OFFSET);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_2ci_inv: a1", i, a1[i], -123);
errn += verify("test_2ci_inv: a2", i, a2[i], -103);
}
test_2vi_inv(a1, a2, 123, 103, OFFSET);
for (int i=OFFSET; i<ARRLEN; i++) {
errn += verify("test_2vi_inv: a1", i, a1[i], 123);
errn += verify("test_2vi_inv: a2", i, a2[i], 103);
}
for (int i=0; i<OFFSET; i++) {
errn += verify("test_2vi_inv: a1", i, a1[i], -1);
errn += verify("test_2vi_inv: a2", i, a2[i], -1);
}
// Reset for indexing with scale
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_ci_scl(a1, -1);
for (int i=0; i<ARRLEN; i++) {
int val = (i%SCALE != 0) ? -1 : -123;
errn += verify("test_ci_scl: a1", i, a1[i], val);
}
test_vi_scl(a2, 123, -1);
for (int i=0; i<ARRLEN; i++) {
int val = (i%SCALE != 0) ? -1 : 123;
errn += verify("test_vi_scl: a2", i, a2[i], val);
}
test_cp_scl(a1, a2);
for (int i=0; i<ARRLEN; i++) {
int val = (i%SCALE != 0) ? -1 : 123;
errn += verify("test_cp_scl: a1", i, a1[i], val);
}
test_2ci_scl(a1, a2);
for (int i=0; i<ARRLEN; i++) {
if (i%SCALE != 0) {
errn += verify("test_2ci_scl: a1", i, a1[i], -1);
} else if (i*SCALE < ARRLEN) {
errn += verify("test_2ci_scl: a1", i*SCALE, a1[i*SCALE], -123);
}
if (i%SCALE != 0) {
errn += verify("test_2ci_scl: a2", i, a2[i], -1);
} else if (i*SCALE < ARRLEN) {
errn += verify("test_2ci_scl: a2", i*SCALE, a2[i*SCALE], -103);
}
}
test_2vi_scl(a1, a2, 123, 103);
for (int i=0; i<ARRLEN; i++) {
if (i%SCALE != 0) {
errn += verify("test_2vi_scl: a1", i, a1[i], -1);
} else if (i*SCALE < ARRLEN) {
errn += verify("test_2vi_scl: a1", i*SCALE, a1[i*SCALE], 123);
}
if (i%SCALE != 0) {
errn += verify("test_2vi_scl: a2", i, a2[i], -1);
} else if (i*SCALE < ARRLEN) {
errn += verify("test_2vi_scl: a2", i*SCALE, a2[i*SCALE], 103);
}
}
// Reset for 2 arrays with relative aligned offset
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_vi(a2, 123, -1);
test_cp_alndst(a1, a2);
for (int i=0; i<ALIGN_OFF; i++) {
errn += verify("test_cp_alndst: a1", i, a1[i], -1);
}
for (int i=ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_cp_alndst: a1", i, a1[i], 123);
}
for (int i=0; i<ALIGN_OFF; i++) {
a1[i] = 123;
}
test_vi(a2, -123, 123);
test_cp_alnsrc(a1, a2);
for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
errn += verify("test_cp_alnsrc: a1", i, a1[i], -123);
}
for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_cp_alnsrc: a1", i, a1[i], 123);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_2ci_aln(a1, a2);
for (int i=0; i<ALIGN_OFF; i++) {
errn += verify("test_2ci_aln: a1", i, a1[i], -1);
}
for (int i=ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2ci_aln: a1", i, a1[i], -123);
}
for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
errn += verify("test_2ci_aln: a2", i, a2[i], -103);
}
for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2ci_aln: a2", i, a2[i], -1);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_2vi_aln(a1, a2, 123, 103);
for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
errn += verify("test_2vi_aln: a1", i, a1[i], 123);
}
for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2vi_aln: a1", i, a1[i], -1);
}
for (int i=0; i<ALIGN_OFF; i++) {
errn += verify("test_2vi_aln: a2", i, a2[i], -1);
}
for (int i=ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2vi_aln: a2", i, a2[i], 103);
}
// Reset for 2 arrays with relative unaligned offset
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_vi(a2, 123, -1);
test_cp_unalndst(a1, a2);
for (int i=0; i<UNALIGN_OFF; i++) {
errn += verify("test_cp_unalndst: a1", i, a1[i], -1);
}
for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_cp_unalndst: a1", i, a1[i], 123);
}
test_vi(a2, -123, 123);
test_cp_unalnsrc(a1, a2);
for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
errn += verify("test_cp_unalnsrc: a1", i, a1[i], -123);
}
for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_cp_unalnsrc: a1", i, a1[i], 123);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_2ci_unaln(a1, a2);
for (int i=0; i<UNALIGN_OFF; i++) {
errn += verify("test_2ci_unaln: a1", i, a1[i], -1);
}
for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2ci_unaln: a1", i, a1[i], -123);
}
for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
errn += verify("test_2ci_unaln: a2", i, a2[i], -103);
}
for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2ci_unaln: a2", i, a2[i], -1);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
test_2vi_unaln(a1, a2, 123, 103);
for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
errn += verify("test_2vi_unaln: a1", i, a1[i], 123);
}
for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2vi_unaln: a1", i, a1[i], -1);
}
for (int i=0; i<UNALIGN_OFF; i++) {
errn += verify("test_2vi_unaln: a2", i, a2[i], -1);
}
for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2vi_unaln: a2", i, a2[i], 103);
}
// Reset for aligned overlap initialization
for (int i=0; i<ALIGN_OFF; i++) {
a1[i] = i;
}
for (int i=ALIGN_OFF; i<ARRLEN; i++) {
a1[i] = -1;
}
test_cp_alndst(a1, a1);
for (int i=0; i<ARRLEN; i++) {
int v = i%ALIGN_OFF;
errn += verify("test_cp_alndst_overlap: a1", i, a1[i], v);
}
for (int i=0; i<ALIGN_OFF; i++) {
a1[i+ALIGN_OFF] = -1;
}
test_cp_alnsrc(a1, a1);
for (int i=0; i<ALIGN_OFF; i++) {
errn += verify("test_cp_alnsrc_overlap: a1", i, a1[i], -1);
}
for (int i=ALIGN_OFF; i<ARRLEN; i++) {
int v = i%ALIGN_OFF;
errn += verify("test_cp_alnsrc_overlap: a1", i, a1[i], v);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
}
test_2ci_aln(a1, a1);
for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
errn += verify("test_2ci_aln_overlap: a1", i, a1[i], -103);
}
for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2ci_aln_overlap: a1", i, a1[i], -123);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
}
test_2vi_aln(a1, a1, 123, 103);
for (int i=0; i<ARRLEN-ALIGN_OFF; i++) {
errn += verify("test_2vi_aln_overlap: a1", i, a1[i], 123);
}
for (int i=ARRLEN-ALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2vi_aln_overlap: a1", i, a1[i], 103);
}
// Reset for unaligned overlap initialization
for (int i=0; i<UNALIGN_OFF; i++) {
a1[i] = i;
}
for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
a1[i] = -1;
}
test_cp_unalndst(a1, a1);
for (int i=0; i<ARRLEN; i++) {
int v = i%UNALIGN_OFF;
errn += verify("test_cp_unalndst_overlap: a1", i, a1[i], v);
}
for (int i=0; i<UNALIGN_OFF; i++) {
a1[i+UNALIGN_OFF] = -1;
}
test_cp_unalnsrc(a1, a1);
for (int i=0; i<UNALIGN_OFF; i++) {
errn += verify("test_cp_unalnsrc_overlap: a1", i, a1[i], -1);
}
for (int i=UNALIGN_OFF; i<ARRLEN; i++) {
int v = i%UNALIGN_OFF;
errn += verify("test_cp_unalnsrc_overlap: a1", i, a1[i], v);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
}
test_2ci_unaln(a1, a1);
for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
errn += verify("test_2ci_unaln_overlap: a1", i, a1[i], -103);
}
for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2ci_unaln_overlap: a1", i, a1[i], -123);
}
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
}
test_2vi_unaln(a1, a1, 123, 103);
for (int i=0; i<ARRLEN-UNALIGN_OFF; i++) {
errn += verify("test_2vi_unaln_overlap: a1", i, a1[i], 123);
}
for (int i=ARRLEN-UNALIGN_OFF; i<ARRLEN; i++) {
errn += verify("test_2vi_unaln_overlap: a1", i, a1[i], 103);
}
}
if (errn > 0 || test_only)
return errn;
// Initialize
for (int i=0; i<ARRLEN; i++) {
a1[i] = -1;
a2[i] = -1;
}
System.out.println("Time");
long start, end;
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_ci(a1);
}
end = System.currentTimeMillis();
System.out.println("test_ci: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_vi(a2, 123, -1);
}
end = System.currentTimeMillis();
System.out.println("test_vi: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_ci_neg(a1, 123);
}
end = System.currentTimeMillis();
System.out.println("test_ci_neg: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_vi_neg(a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_vi_neg: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_neg(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_neg: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_neg(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_neg: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_neg(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_neg: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_ci_oppos(a1, 123);
}
end = System.currentTimeMillis();
System.out.println("test_ci_oppos: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_vi_oppos(a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_vi_oppos: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_oppos(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_oppos: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_oppos(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_oppos: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_oppos(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_oppos: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_ci_off(a1, 123);
}
end = System.currentTimeMillis();
System.out.println("test_ci_off: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_vi_off(a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_vi_off: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_off(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_off: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_off(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_off: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_off(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_off: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_ci_inv(a1, OFFSET, 123);
}
end = System.currentTimeMillis();
System.out.println("test_ci_inv: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_vi_inv(a2, 123, OFFSET, 103);
}
end = System.currentTimeMillis();
System.out.println("test_vi_inv: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_inv(a1, a2, OFFSET);
}
end = System.currentTimeMillis();
System.out.println("test_cp_inv: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_inv(a1, a2, OFFSET);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_inv: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_inv(a1, a2, 123, 103, OFFSET);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_inv: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_ci_scl(a1, 123);
}
end = System.currentTimeMillis();
System.out.println("test_ci_scl: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_vi_scl(a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_vi_scl: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_scl(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_scl: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_scl(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_scl: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_scl(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_scl: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_alndst(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_alndst: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_alnsrc(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_alnsrc: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_aln(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_aln: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_aln(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_aln: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_unalndst(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_unalndst: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_cp_unalnsrc(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_cp_unalnsrc: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2ci_unaln(a1, a2);
}
end = System.currentTimeMillis();
System.out.println("test_2ci_unaln: " + (end - start));
start = System.currentTimeMillis();
for (int i=0; i<ITERS; i++) {
test_2vi_unaln(a1, a2, 123, 103);
}
end = System.currentTimeMillis();
System.out.println("test_2vi_unaln: " + (end - start));
return errn;
}
private final static long byte_offset(int i) {
return ((long)i << 2) + BASE;
}
static void test_ci(int[] a) {
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), -123);
}
}
static void test_vi(int[] a, int b, int old) {
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), b);
}
}
static void test_cp(int[] a, int[] b) {
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), b[i]);
}
}
static void test_2ci(int[] a, int[] b) {
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), -123);
unsafe.putIntVolatile(b, byte_offset(i), -103);
}
}
static void test_2vi(int[] a, int[] b, int c, int d) {
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), c);
unsafe.putIntVolatile(b, byte_offset(i), d);
}
}
static void test_ci_neg(int[] a, int old) {
for (int i = ARRLEN-1; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(i), -123);
}
}
static void test_vi_neg(int[] a, int b, int old) {
for (int i = ARRLEN-1; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(i), b);
}
}
static void test_cp_neg(int[] a, int[] b) {
for (int i = ARRLEN-1; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(i), b[i]);
}
}
static void test_2ci_neg(int[] a, int[] b) {
for (int i = ARRLEN-1; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(i), -123);
unsafe.putIntVolatile(b, byte_offset(i), -103);
}
}
static void test_2vi_neg(int[] a, int[] b, int c, int d) {
for (int i = ARRLEN-1; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(i), c);
unsafe.putIntVolatile(b, byte_offset(i), d);
}
}
static void test_ci_oppos(int[] a, int old) {
int limit = ARRLEN-1;
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(limit-i), -123);
}
}
static void test_vi_oppos(int[] a, int b, int old) {
int limit = ARRLEN-1;
for (int i = limit; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(limit-i), b);
}
}
static void test_cp_oppos(int[] a, int[] b) {
int limit = ARRLEN-1;
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), b[limit-i]);
}
}
static void test_2ci_oppos(int[] a, int[] b) {
int limit = ARRLEN-1;
for (int i = 0; i < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(limit-i), -123);
unsafe.putIntVolatile(b, byte_offset(i), -103);
}
}
static void test_2vi_oppos(int[] a, int[] b, int c, int d) {
int limit = ARRLEN-1;
for (int i = limit; i >= 0; i-=1) {
unsafe.putIntVolatile(a, byte_offset(i), c);
unsafe.putIntVolatile(b, byte_offset(limit-i), d);
}
}
static void test_ci_off(int[] a, int old) {
for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+OFFSET), -123);
}
}
static void test_vi_off(int[] a, int b, int old) {
for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+OFFSET), b);
}
}
static void test_cp_off(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+OFFSET), b[i+OFFSET]);
}
}
static void test_2ci_off(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+OFFSET), -123);
unsafe.putIntVolatile(b, byte_offset(i+OFFSET), -103);
}
}
static void test_2vi_off(int[] a, int[] b, int c, int d) {
for (int i = 0; i < ARRLEN-OFFSET; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+OFFSET), c);
unsafe.putIntVolatile(b, byte_offset(i+OFFSET), d);
}
}
static void test_ci_inv(int[] a, int k, int old) {
for (int i = 0; i < ARRLEN-k; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+k), -123);
}
}
static void test_vi_inv(int[] a, int b, int k, int old) {
for (int i = 0; i < ARRLEN-k; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+k), b);
}
}
static void test_cp_inv(int[] a, int[] b, int k) {
for (int i = 0; i < ARRLEN-k; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+k), b[i+k]);
}
}
static void test_2ci_inv(int[] a, int[] b, int k) {
for (int i = 0; i < ARRLEN-k; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+k), -123);
unsafe.putIntVolatile(b, byte_offset(i+k), -103);
}
}
static void test_2vi_inv(int[] a, int[] b, int c, int d, int k) {
for (int i = 0; i < ARRLEN-k; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+k), c);
unsafe.putIntVolatile(b, byte_offset(i+k), d);
}
}
static void test_ci_scl(int[] a, int old) {
for (int i = 0; i*SCALE < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i*SCALE), -123);
}
}
static void test_vi_scl(int[] a, int b, int old) {
for (int i = 0; i*SCALE < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i*SCALE), b);
}
}
static void test_cp_scl(int[] a, int[] b) {
for (int i = 0; i*SCALE < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i*SCALE), b[i*SCALE]);
}
}
static void test_2ci_scl(int[] a, int[] b) {
for (int i = 0; i*SCALE < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i*SCALE), -123);
unsafe.putIntVolatile(b, byte_offset(i*SCALE), -103);
}
}
static void test_2vi_scl(int[] a, int[] b, int c, int d) {
for (int i = 0; i*SCALE < ARRLEN; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i*SCALE), c);
unsafe.putIntVolatile(b, byte_offset(i*SCALE), d);
}
}
static void test_cp_alndst(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+ALIGN_OFF), b[i]);
}
}
static void test_cp_alnsrc(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), b[i+ALIGN_OFF]);
}
}
static void test_2ci_aln(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+ALIGN_OFF), -123);
unsafe.putIntVolatile(b, byte_offset(i), -103);
}
}
static void test_2vi_aln(int[] a, int[] b, int c, int d) {
for (int i = 0; i < ARRLEN-ALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), c);
unsafe.putIntVolatile(b, byte_offset(i+ALIGN_OFF), d);
}
}
static void test_cp_unalndst(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+UNALIGN_OFF), b[i]);
}
}
static void test_cp_unalnsrc(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), b[i+UNALIGN_OFF]);
}
}
static void test_2ci_unaln(int[] a, int[] b) {
for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i+UNALIGN_OFF), -123);
unsafe.putIntVolatile(b, byte_offset(i), -103);
}
}
static void test_2vi_unaln(int[] a, int[] b, int c, int d) {
for (int i = 0; i < ARRLEN-UNALIGN_OFF; i+=1) {
unsafe.putIntVolatile(a, byte_offset(i), c);
unsafe.putIntVolatile(b, byte_offset(i+UNALIGN_OFF), d);
}
}
static int verify(String text, int i, int elem, int val) {
if (elem != val) {
System.err.println(text + "[" + i + "] = " + elem + " != " + val);
return 1;
}
return 0;
}
}