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 : float 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_Float 32 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=2 -XX:CompileThresholdScaling=0.1 SumRed_Float 33 * 34 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=4 -XX:CompileThresholdScaling=0.1 SumRed_Float 35 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=4 -XX:CompileThresholdScaling=0.1 SumRed_Float 36 * 37 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=8 -XX:CompileThresholdScaling=0.1 SumRed_Float 38 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=8 -XX:CompileThresholdScaling=0.1 SumRed_Float 39 * 40 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=16 -XX:CompileThresholdScaling=0.1 SumRed_Float 41 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-SuperWordReductions -XX:LoopUnrollLimit=250 -XX:LoopMaxUnroll=16 -XX:CompileThresholdScaling=0.1 SumRed_Float 42 */ 43 44 public class SumRed_Float 45 { 46 public static void main(String[] args) throws Exception { 47 float[] a = new float[256*1024]; 48 float[] b = new float[256*1024]; 49 float[] c = new float[256*1024]; 50 float[] d = new float[256*1024]; 51 sumReductionInit(a,b,c); 52 float total = 0; 53 float valid = (float)4.611686E18; 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 float[] a, 68 float[] b, 69 float[] 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 float sumReductionImplement( 83 float[] a, 84 float[] b, 85 float[] c, 86 float[] d, 87 float 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 : float 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_Float 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_Float 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_Float 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_Float 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_Float 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_Float 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_Float 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_Float 74 */ 75 76 package compiler.loopopts.superword; 77 78 public class SumRed_Float { 79 public static void main(String[] args) throws Exception { 80 float[] a = new float[256 * 1024]; 81 float[] b = new float[256 * 1024]; 82 float[] c = new float[256 * 1024]; 83 float[] d = new float[256 * 1024]; 84 sumReductionInit(a, b, c); 85 float total = 0; 86 float valid = (float) 4.611686E18; 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 float[] a, 101 float[] b, 102 float[] 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 float sumReductionImplement( 113 float[] a, 114 float[] b, 115 float[] c, 116 float[] d, 117 float 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 } |