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 8074981
28 * @summary Add C2 x86 Superword support for scalar sum reduction optimizations : int test
29 * @requires os.arch=="x86" | os.arch=="i386" | os.arch=="amd64" | os.arch=="x86_64" | os.arch=="aarch64"
30 *
31 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=2 -XX:CompileThresholdScaling=0.1 SumRed_Int
32 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=2 -XX:CompileThresholdScaling=0.1 SumRed_Int
33 *
34 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=4 -XX:CompileThresholdScaling=0.1 SumRed_Int
35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=4 -XX:CompileThresholdScaling=0.1 SumRed_Int
36 *
37 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=8 -XX:CompileThresholdScaling=0.1 SumRed_Int
38 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=8 -XX:CompileThresholdScaling=0.1 SumRed_Int
39 *
40 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=16 -XX:CompileThresholdScaling=0.1 SumRed_Int
41 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=16 -XX:CompileThresholdScaling=0.1 SumRed_Int
42 */
43
44 public class SumRed_Int
45 {
46 public static void main(String[] args) throws Exception {
47 int[] a = new int[256*1024];
48 int[] b = new int[256*1024];
49 int[] c = new int[256*1024];
50 int[] d = new int[256*1024];
51 sumReductionInit(a,b,c);
52 int total = 0;
53 int valid = 262144000;
54 for(int j = 0; j < 2000; j++) {
55 total = sumReductionImplement(a,b,c,d,total);
56 }
57 if(total == valid) {
58 System.out.println("Success");
59 } else {
60 System.out.println("Invalid sum of elements variable in total: " + total);
61 System.out.println("Expected value = " + valid);
62 throw new Exception("Failed");
63 }
64 }
65
66 public static void sumReductionInit(
67 int[] a,
68 int[] b,
69 int[] c)
70 {
71 for(int j = 0; j < 1; j++)
72 {
73 for(int i = 0; i < a.length; i++)
74 {
75 a[i] = i * 1 + j;
76 b[i] = i * 1 - j;
77 c[i] = i + j;
78 }
79 }
80 }
81
82 public static int sumReductionImplement(
83 int[] a,
84 int[] b,
85 int[] c,
86 int[] d,
87 int total)
88 {
89 for(int i = 0; i < a.length; i++)
90 {
91 d[i]= (a[i] * b[i]) + (a[i] * c[i]) + (b[i] * c[i]);
92 total += d[i];
93 }
94 return total;
95 }
96
97 }
|
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 8074981
28 * @summary Add C2 x86 Superword support for scalar sum reduction optimizations : int test
29 * @requires os.arch=="x86" | os.arch=="i386" | os.arch=="amd64" | os.arch=="x86_64" | os.arch=="aarch64"
30 *
31 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
32 * -XX:CompileThresholdScaling=0.1
33 * -XX:+SuperWordReductions
34 * -XX:LoopMaxUnroll=2
35 * compiler.loopopts.superword.SumRed_Int
36 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
37 * -XX:CompileThresholdScaling=0.1
38 * -XX:-SuperWordReductions
39 * -XX:LoopMaxUnroll=2
40 * compiler.loopopts.superword.SumRed_Int
41 *
42 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
43 * -XX:CompileThresholdScaling=0.1
44 * -XX:+SuperWordReductions
45 * -XX:LoopMaxUnroll=4
46 * compiler.loopopts.superword.SumRed_Int
47 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
48 * -XX:CompileThresholdScaling=0.1
49 * -XX:-SuperWordReductions
50 * -XX:LoopMaxUnroll=4
51 * compiler.loopopts.superword.SumRed_Int
52 *
53 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
54 * -XX:CompileThresholdScaling=0.1
55 * -XX:+SuperWordReductions
56 * -XX:LoopMaxUnroll=8
57 * compiler.loopopts.superword.SumRed_Int
58 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
59 * -XX:CompileThresholdScaling=0.1
60 * -XX:-SuperWordReductions
61 * -XX:LoopMaxUnroll=8
62 * compiler.loopopts.superword.SumRed_Int
63 *
64 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
65 * -XX:CompileThresholdScaling=0.1
66 * -XX:+SuperWordReductions
67 * -XX:LoopMaxUnroll=16
68 * compiler.loopopts.superword.SumRed_Int
69 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:LoopUnrollLimit=250
70 * -XX:CompileThresholdScaling=0.1
71 * -XX:-SuperWordReductions
72 * -XX:LoopMaxUnroll=16
73 * compiler.loopopts.superword.SumRed_Int
74 */
75
76 package compiler.loopopts.superword;
77
78 public class SumRed_Int {
79 public static void main(String[] args) throws Exception {
80 int[] a = new int[256 * 1024];
81 int[] b = new int[256 * 1024];
82 int[] c = new int[256 * 1024];
83 int[] d = new int[256 * 1024];
84 sumReductionInit(a, b, c);
85 int total = 0;
86 int valid = 262144000;
87 for (int j = 0; j < 2000; j++) {
88 total = sumReductionImplement(a, b, c, d, total);
89 }
90 if (total == valid) {
91 System.out.println("Success");
92 } else {
93 System.out.println("Invalid sum of elements variable in total: " + total);
94 System.out.println("Expected value = " + valid);
95 throw new Exception("Failed");
96 }
97 }
98
99 public static void sumReductionInit(
100 int[] a,
101 int[] b,
102 int[] c) {
103 for (int j = 0; j < 1; j++) {
104 for (int i = 0; i < a.length; i++) {
105 a[i] = i * 1 + j;
106 b[i] = i * 1 - j;
107 c[i] = i + j;
108 }
109 }
110 }
111
112 public static int sumReductionImplement(
113 int[] a,
114 int[] b,
115 int[] c,
116 int[] d,
117 int total) {
118 for (int i = 0; i < a.length; i++) {
119 d[i] = (a[i] * b[i]) + (a[i] * c[i]) + (b[i] * c[i]);
120 total += d[i];
121 }
122 return total;
123 }
124
125 }
|