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comparison test/compiler/intrinsics/sha/TestSHA.java @ 20313:b20a35eae442

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8035968: Leverage CPU Instructions to Improve SHA Performance on SPARC Summary: Add C2 SHA intrinsics on SPARC Reviewed-by: kvn, roland Contributed-by: james.cheng@oracle.com
author kvn
date Wed, 11 Jun 2014 11:05:10 -0700
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20312:922c87c9aed4 20313:b20a35eae442
1 /*
2 * Copyright (c) 2014, 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 8035968
28 * @summary C2 support for SHA on SPARC
29 *
30 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 TestSHA
31 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-224 TestSHA
32 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-256 TestSHA
33 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-384 TestSHA
34 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-512 TestSHA
35 *
36 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Doffset=1 TestSHA
37 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-224 -Doffset=1 TestSHA
38 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-256 -Doffset=1 TestSHA
39 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-384 -Doffset=1 TestSHA
40 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-512 -Doffset=1 TestSHA
41 *
42 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Dalgorithm2=SHA-256 TestSHA
43 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Dalgorithm2=SHA-512 TestSHA
44 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-256 -Dalgorithm2=SHA-512 TestSHA
45 *
46 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=SHA-1 -Dalgorithm2=MD5 TestSHA
47 * @run main/othervm/timeout=600 -Xbatch -Dalgorithm=MD5 -Dalgorithm2=SHA-1 TestSHA
48 */
49
50 import java.security.MessageDigest;
51 import java.util.Arrays;
52
53 public class TestSHA {
54 private static final int HASH_LEN = 64; /* up to 512-bit */
55 private static final int ALIGN = 8; /* for different data alignments */
56
57 public static void main(String[] args) throws Exception {
58 String provider = System.getProperty("provider", "SUN");
59 String algorithm = System.getProperty("algorithm", "SHA-1");
60 String algorithm2 = System.getProperty("algorithm2", "");
61 int msgSize = Integer.getInteger("msgSize", 1024);
62 int offset = Integer.getInteger("offset", 0) % ALIGN;
63 int iters = (args.length > 0 ? Integer.valueOf(args[0]) : 100000);
64 int warmupIters = (args.length > 1 ? Integer.valueOf(args[1]) : 20000);
65
66 testSHA(provider, algorithm, msgSize, offset, iters, warmupIters);
67
68 if (algorithm2.equals("") == false) {
69 testSHA(provider, algorithm2, msgSize, offset, iters, warmupIters);
70 }
71 }
72
73 static void testSHA(String provider, String algorithm, int msgSize,
74 int offset, int iters, int warmupIters) throws Exception {
75 System.out.println("provider = " + provider);
76 System.out.println("algorithm = " + algorithm);
77 System.out.println("msgSize = " + msgSize + " bytes");
78 System.out.println("offset = " + offset);
79 System.out.println("iters = " + iters);
80
81 byte[] expectedHash = new byte[HASH_LEN];
82 byte[] hash = new byte[HASH_LEN];
83 byte[] data = new byte[msgSize + offset];
84 for (int i = 0; i < (msgSize + offset); i++) {
85 data[i] = (byte)(i & 0xff);
86 }
87
88 try {
89 MessageDigest sha = MessageDigest.getInstance(algorithm, provider);
90
91 /* do once, which doesn't use intrinsics */
92 sha.reset();
93 sha.update(data, offset, msgSize);
94 expectedHash = sha.digest();
95
96 /* warm up */
97 for (int i = 0; i < warmupIters; i++) {
98 sha.reset();
99 sha.update(data, offset, msgSize);
100 hash = sha.digest();
101 }
102
103 /* check result */
104 if (Arrays.equals(hash, expectedHash) == false) {
105 System.out.println("TestSHA Error: ");
106 showArray(expectedHash, "expectedHash");
107 showArray(hash, "computedHash");
108 //System.exit(1);
109 throw new Exception("TestSHA Error");
110 } else {
111 showArray(hash, "hash");
112 }
113
114 /* measure performance */
115 long start = System.nanoTime();
116 for (int i = 0; i < iters; i++) {
117 sha.reset();
118 sha.update(data, offset, msgSize);
119 hash = sha.digest();
120 }
121 long end = System.nanoTime();
122 double total = (double)(end - start)/1e9; /* in seconds */
123 double thruput = (double)msgSize*iters/1e6/total; /* in MB/s */
124 System.out.println("TestSHA runtime = " + total + " seconds");
125 System.out.println("TestSHA throughput = " + thruput + " MB/s");
126 System.out.println();
127 } catch (Exception e) {
128 System.out.println("Exception: " + e);
129 //System.exit(1);
130 throw new Exception(e);
131 }
132 }
133
134 static void showArray(byte b[], String name) {
135 System.out.format("%s [%d]: ", name, b.length);
136 for (int i = 0; i < Math.min(b.length, HASH_LEN); i++) {
137 System.out.format("%02x ", b[i] & 0xff);
138 }
139 System.out.println();
140 }
141 }