Mercurial > hg > graal-compiler
view test/compiler/6896617/Test6896617.java @ 13662:91eebfc42e9f
Ruby: expose the constant CoreLibrary.RUBY_VERSION
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Thu, 16 Jan 2014 16:40:37 -0800 |
parents | b30b3c2a0cf2 |
children |
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/* * 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 6896617 * @summary Optimize sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() with SSE instructions on x86 * @run main/othervm/timeout=1200 -Xbatch -Xmx256m Test6896617 * */ import java.util.*; import java.nio.*; import java.nio.charset.*; public class Test6896617 { final static int SIZE = 256; public static void main(String[] args) { String csn = "ISO-8859-1"; Charset cs = Charset.forName(csn); CharsetEncoder enc = cs.newEncoder(); enc.onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); CharsetDecoder dec = cs.newDecoder(); dec.onMalformedInput(CodingErrorAction.REPLACE) .onUnmappableCharacter(CodingErrorAction.REPLACE); byte repl = (byte)'?'; enc.replaceWith(new byte[] { repl }); // Use internal API for tests. sun.nio.cs.ArrayEncoder arrenc = (sun.nio.cs.ArrayEncoder)enc; sun.nio.cs.ArrayDecoder arrdec = (sun.nio.cs.ArrayDecoder)dec; // Populate char[] with chars which can be encoded by ISO_8859_1 (<= 0xFF) Random rnd = new Random(0); int maxchar = 0xFF; char[] a = new char[SIZE]; byte[] b = new byte[SIZE]; char[] at = new char[SIZE]; byte[] bt = new byte[SIZE]; for (int i = 0; i < SIZE; i++) { char c = (char) rnd.nextInt(maxchar); if (!enc.canEncode(c)) { System.out.printf("Something wrong: can't encode c=%03x\n", (int)c); System.exit(97); } a[i] = c; b[i] = (byte)c; at[i] = (char)-1; bt[i] = (byte)-1; } if (arrenc.encode(a, 0, SIZE, bt) != SIZE || !Arrays.equals(b, bt)) { System.out.println("Something wrong: ArrayEncoder.encode failed"); System.exit(97); } if (arrdec.decode(b, 0, SIZE, at) != SIZE || !Arrays.equals(a, at)) { System.out.println("Something wrong: ArrayDecoder.decode failed"); System.exit(97); } for (int i = 0; i < SIZE; i++) { at[i] = (char)-1; bt[i] = (byte)-1; } ByteBuffer bb = ByteBuffer.wrap(b); CharBuffer ba = CharBuffer.wrap(a); ByteBuffer bbt = ByteBuffer.wrap(bt); CharBuffer bat = CharBuffer.wrap(at); if (!enc.encode(ba, bbt, true).isUnderflow() || !Arrays.equals(b, bt)) { System.out.println("Something wrong: Encoder.encode failed"); System.exit(97); } if (!dec.decode(bb, bat, true).isUnderflow() || !Arrays.equals(a, at)) { System.out.println("Something wrong: Decoder.decode failed"); System.exit(97); } for (int i = 0; i < SIZE; i++) { at[i] = (char)-1; bt[i] = (byte)-1; } // Warm up boolean failed = false; int result = 0; for (int i = 0; i < 10000; i++) { result += arrenc.encode(a, 0, SIZE, bt); result -= arrdec.decode(b, 0, SIZE, at); } for (int i = 0; i < 10000; i++) { result += arrenc.encode(a, 0, SIZE, bt); result -= arrdec.decode(b, 0, SIZE, at); } for (int i = 0; i < 10000; i++) { result += arrenc.encode(a, 0, SIZE, bt); result -= arrdec.decode(b, 0, SIZE, at); } if (result != 0 || !Arrays.equals(b, bt) || !Arrays.equals(a, at)) { failed = true; System.out.println("Failed: ArrayEncoder.encode char[" + SIZE + "] and ArrayDecoder.decode byte[" + SIZE + "]"); } for (int i = 0; i < SIZE; i++) { at[i] = (char)-1; bt[i] = (byte)-1; } boolean is_underflow = true; for (int i = 0; i < 10000; i++) { ba.clear(); bb.clear(); bat.clear(); bbt.clear(); boolean enc_res = enc.encode(ba, bbt, true).isUnderflow(); boolean dec_res = dec.decode(bb, bat, true).isUnderflow(); is_underflow = is_underflow && enc_res && dec_res; } for (int i = 0; i < SIZE; i++) { at[i] = (char)-1; bt[i] = (byte)-1; } for (int i = 0; i < 10000; i++) { ba.clear(); bb.clear(); bat.clear(); bbt.clear(); boolean enc_res = enc.encode(ba, bbt, true).isUnderflow(); boolean dec_res = dec.decode(bb, bat, true).isUnderflow(); is_underflow = is_underflow && enc_res && dec_res; } for (int i = 0; i < SIZE; i++) { at[i] = (char)-1; bt[i] = (byte)-1; } for (int i = 0; i < 10000; i++) { ba.clear(); bb.clear(); bat.clear(); bbt.clear(); boolean enc_res = enc.encode(ba, bbt, true).isUnderflow(); boolean dec_res = dec.decode(bb, bat, true).isUnderflow(); is_underflow = is_underflow && enc_res && dec_res; } if (!is_underflow || !Arrays.equals(b, bt) || !Arrays.equals(a, at)) { failed = true; System.out.println("Failed: Encoder.encode char[" + SIZE + "] and Decoder.decode byte[" + SIZE + "]"); } // Test encoder with different source and destination sizes System.out.println("Testing different source and destination sizes"); for (int i = 1; i <= SIZE; i++) { for (int j = 1; j <= SIZE; j++) { bt = new byte[j]; // very source's SIZE result = arrenc.encode(a, 0, i, bt); int l = Math.min(i, j); if (result != l) { failed = true; System.out.println("Failed: encode char[" + i + "] to byte[" + j + "]: result = " + result + ", expected " + l); } for (int k = 0; k < l; k++) { if (bt[k] != b[k]) { failed = true; System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[k]); } } // very source's offset int sz = SIZE - i + 1; result = arrenc.encode(a, i-1, sz, bt); l = Math.min(sz, j); if (result != l) { failed = true; System.out.println("Failed: encode char[" + sz + "] to byte[" + j + "]: result = " + result + ", expected " + l); } for (int k = 0; k < l; k++) { if (bt[k] != b[i+k-1]) { failed = true; System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[i+k-1]); } } } } // Test encoder with char > 0xFF System.out.println("Testing big char"); byte orig = (byte)'A'; bt = new byte[SIZE]; for (int i = 1; i <= SIZE; i++) { for (int j = 0; j < i; j++) { a[j] += 0x100; // make sure to replace a different byte bt[j] = orig; result = arrenc.encode(a, 0, i, bt); if (result != i) { failed = true; System.out.println("Failed: encode char[" + i + "] to byte[" + i + "]: result = " + result + ", expected " + i); } if (bt[j] != repl) { failed = true; System.out.println("Failed: encoded replace byte[" + j + "] (" + bt[j] + ") != " + repl); } bt[j] = b[j]; // Restore to compare whole array for (int k = 0; k < i; k++) { if (bt[k] != b[k]) { failed = true; System.out.println("Failed: encoded byte[" + k + "] (" + bt[k] + ") != " + b[k]); } } a[j] -= 0x100; // Restore } } // Test sun.nio.cs.ISO_8859_1$Encode.encodeArrayLoop() performance. int itrs = Integer.getInteger("iterations", 1000000); int size = Integer.getInteger("size", 256); a = new char[size]; b = new byte[size]; bt = new byte[size]; for (int i = 0; i < size; i++) { char c = (char) rnd.nextInt(maxchar); if (!enc.canEncode(c)) { System.out.printf("Something wrong: can't encode c=%03x\n", (int)c); System.exit(97); } a[i] = c; b[i] = (byte)-1; bt[i] = (byte)c; } ba = CharBuffer.wrap(a); bb = ByteBuffer.wrap(b); boolean enc_res = enc.encode(ba, bb, true).isUnderflow(); if (!enc_res || !Arrays.equals(b, bt)) { failed = true; System.out.println("Failed 1: Encoder.encode char[" + size + "]"); } for (int i = 0; i < size; i++) { b[i] = (byte)-1; } // Make sure to recompile method if needed before performance run. for (int i = 0; i < 10000; i++) { ba.clear(); bb.clear(); enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow(); } for (int i = 0; i < size; i++) { b[i] = (byte)-1; } for (int i = 0; i < 10000; i++) { ba.clear(); bb.clear(); enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow(); } if (!enc_res || !Arrays.equals(b, bt)) { failed = true; System.out.println("Failed 2: Encoder.encode char[" + size + "]"); } for (int i = 0; i < size; i++) { b[i] = (byte)-1; } System.out.println("Testing ISO_8859_1$Encode.encodeArrayLoop() performance"); long start = System.currentTimeMillis(); for (int i = 0; i < itrs; i++) { ba.clear(); bb.clear(); enc_res = enc_res && enc.encode(ba, bb, true).isUnderflow(); } long end = System.currentTimeMillis(); if (!enc_res || !Arrays.equals(b, bt)) { failed = true; System.out.println("Failed 3: Encoder.encode char[" + size + "]"); } else { System.out.println("size: " + size + " time: " + (end - start)); } // Test sun.nio.cs.ISO_8859_1$Encode.encode() performance. // Make sure to recompile method if needed before performance run. result = 0; for (int i = 0; i < size; i++) { b[i] = (byte)-1; } for (int i = 0; i < 10000; i++) { result += arrenc.encode(a, 0, size, b); } for (int i = 0; i < size; i++) { b[i] = (byte)-1; } for (int i = 0; i < 10000; i++) { result += arrenc.encode(a, 0, size, b); } if (result != size*20000 || !Arrays.equals(b, bt)) { failed = true; System.out.println("Failed 1: ArrayEncoder.encode char[" + SIZE + "]"); } for (int i = 0; i < size; i++) { b[i] = (byte)-1; } System.out.println("Testing ISO_8859_1$Encode.encode() performance"); result = 0; start = System.currentTimeMillis(); for (int i = 0; i < itrs; i++) { result += arrenc.encode(a, 0, size, b); } end = System.currentTimeMillis(); if (!Arrays.equals(b, bt)) { failed = true; System.out.println("Failed 2: ArrayEncoder.encode char[" + size + "]"); } else { System.out.println("size: " + size + " time: " + (end - start)); } if (failed) { System.out.println("FAILED"); System.exit(97); } System.out.println("PASSED"); } }