rev 54658 : refactored mask and shuffle creation methods, moved classes to top-level

   1 /*
   2  * Copyright (c) 2018, 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
  21  * questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @modules jdk.incubator.vector
  27  * @run testng/othervm --add-opens jdk.incubator.vector/jdk.incubator.vector=ALL-UNNAMED
  28  *      ByteMaxVectorLoadStoreTests
  29  *
  30  */
  31 
  32 import jdk.incubator.vector.Vector.Shape;
  33 import jdk.incubator.vector.Vector.Species;

  34 import jdk.incubator.vector.Vector;
  35 
  36 import jdk.incubator.vector.ByteVector;
  37 
  38 import org.testng.Assert;
  39 import org.testng.annotations.DataProvider;
  40 import org.testng.annotations.Test;
  41 
  42 import java.lang.invoke.MethodHandles;
  43 import java.lang.invoke.VarHandle;
  44 import java.nio.ByteBuffer;
  45 import java.nio.ByteOrder;
  46 import java.util.List;
  47 import java.util.function.IntFunction;
  48 
  49 @Test
  50 public class ByteMaxVectorLoadStoreTests extends AbstractVectorTest {
  51     static final Species<Byte> SPECIES =
  52                 ByteVector.SPECIES_MAX;
  53 
  54     static final int INVOC_COUNT = Integer.getInteger("jdk.incubator.vector.test.loop-iterations", 10);
  55 
  56     static Shape getMaxBit() {
  57         return Shape.S_Max_BIT;
  58     }
  59 
  60     static void assertArraysEquals(byte[] a, byte[] r, boolean[] mask) {
  61         int i = 0;
  62         try {
  63             for (; i < a.length; i++) {
  64                 Assert.assertEquals(mask[i % SPECIES.length()] ? a[i] : (byte) 0, r[i]);
  65             }
  66         } catch (AssertionError e) {
  67             Assert.assertEquals(mask[i % SPECIES.length()] ? a[i] : (byte) 0, r[i], "at index #" + i);
  68         }
  69     }
  70 
  71     static void assertArraysEquals(byte[] a, byte[] r, int[] im) {
  72         int i = 0;
  73         try {
  74             for (; i < a.length; i++) {
  75                 Assert.assertEquals(a[im[i]], r[i]);
  76             }
  77         } catch (AssertionError e) {
  78             Assert.assertEquals(a[im[i]], r[i], "at index #" + i);
  79         }
  80     }
  81 
  82     static void assertArraysEquals(byte[] a, byte[] r, int[] im, boolean[] mask) {
  83         int i = 0;
  84         try {
  85             for (; i < a.length; i++) {
  86                 Assert.assertEquals(mask[i % SPECIES.length()] ? a[im[i]] : (byte) 0, r[i]);
  87             }
  88         } catch (AssertionError e) {
  89             Assert.assertEquals(mask[i % SPECIES.length()] ? a[im[i]] : (byte) 0, r[i], "at index #" + i);
  90         }
  91     }
  92 
  93     static final List<IntFunction<byte[]>> BYTE_GENERATORS = List.of(
  94             withToString("byte[i * 5]", (int s) -> {
  95                 return fill(s * 1000,
  96                             i -> (byte)(i * 5));
  97             }),
  98             withToString("byte[i + 1]", (int s) -> {
  99                 return fill(s * 1000,
 100                             i -> (((byte)(i + 1) == 0) ? 1 : (byte)(i + 1)));
 101             })
 102     );
 103 
 104     @DataProvider
 105     public Object[][] byteProvider() {
 106         return BYTE_GENERATORS.stream().
 107                 map(f -> new Object[]{f}).
 108                 toArray(Object[][]::new);
 109     }
 110 
 111     @DataProvider
 112     public Object[][] byteMaskProvider() {
 113         return BOOLEAN_MASK_GENERATORS.stream().
 114                 flatMap(fm -> BYTE_GENERATORS.stream().map(fa -> {
 115                     return new Object[] {fa, fm};
 116                 })).
 117                 toArray(Object[][]::new);
 118     }
 119 
 120     @DataProvider
 121     public Object[][] byteIndexMapProvider() {
 122         return INDEX_GENERATORS.stream().
 123                 flatMap(fim -> BYTE_GENERATORS.stream().map(fa -> {
 124                     return new Object[] {fa, fim};
 125                 })).
 126                 toArray(Object[][]::new);
 127     }
 128 
 129     @DataProvider
 130     public Object[][] byteIndexMapMaskProvider() {
 131         return BOOLEAN_MASK_GENERATORS.stream().
 132                 flatMap(fm -> INDEX_GENERATORS.stream().
 133                     flatMap(fim -> BYTE_GENERATORS.stream().map(fa -> {
 134                         return new Object[] {fa, fim, fm};
 135                 }))).
 136                 toArray(Object[][]::new);
 137     }
 138 
 139     @DataProvider
 140     public Object[][] byteByteBufferProvider() {
 141         return BYTE_GENERATORS.stream().
 142                 flatMap(fa -> BYTE_BUFFER_GENERATORS.stream().map(fb -> {
 143                     return new Object[]{fa, fb};
 144                 })).
 145                 toArray(Object[][]::new);
 146     }
 147 
 148     @DataProvider
 149     public Object[][] byteByteBufferMaskProvider() {
 150         return BOOLEAN_MASK_GENERATORS.stream().
 151                 flatMap(fm -> BYTE_GENERATORS.stream().
 152                         flatMap(fa -> BYTE_BUFFER_GENERATORS.stream().map(fb -> {
 153                             return new Object[]{fa, fb, fm};
 154                         }))).
 155                 toArray(Object[][]::new);
 156     }
 157 
 158     static ByteBuffer toBuffer(byte[] a, IntFunction<ByteBuffer> fb) {
 159         ByteBuffer bb = fb.apply(a.length * SPECIES.elementSize() / 8);
 160         for (byte v : a) {
 161             bb.put(v);
 162         }
 163         return bb.clear();
 164     }
 165 
 166     static byte[] bufferToArray(ByteBuffer bb) {
 167         ByteBuffer db = bb;
 168         byte[] d = new byte[db.capacity()];
 169         db.get(d);
 170         return d;
 171     }
 172 
 173     interface ToByteF {
 174         byte apply(int i);
 175     }
 176 
 177     static byte[] fill(int s , ToByteF f) {
 178         return fill(new byte[s], f);
 179     }
 180 
 181     static byte[] fill(byte[] a, ToByteF f) {
 182         for (int i = 0; i < a.length; i++) {
 183             a[i] = f.apply(i);
 184         }
 185         return a;
 186     }
 187 
 188     @Test(dataProvider = "byteProvider")
 189     static void loadStoreArray(IntFunction<byte[]> fa) {
 190         byte[] a = fa.apply(SPECIES.length());
 191         byte[] r = new byte[a.length];
 192 
 193         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 194             for (int i = 0; i < a.length; i += SPECIES.length()) {
 195                 ByteVector av = ByteVector.fromArray(SPECIES, a, i);
 196                 av.intoArray(r, i);
 197             }
 198         }
 199         Assert.assertEquals(a, r);
 200     }
 201 
 202     @Test(dataProvider = "byteMaskProvider")
 203     static void loadStoreMaskArray(IntFunction<byte[]> fa,
 204                                    IntFunction<boolean[]> fm) {
 205         byte[] a = fa.apply(SPECIES.length());
 206         byte[] r = new byte[a.length];
 207         boolean[] mask = fm.apply(SPECIES.length());
 208         Vector.Mask<Byte> vmask = ByteVector.maskFromValues(SPECIES, mask);
 209 
 210         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 211             for (int i = 0; i < a.length; i += SPECIES.length()) {
 212                 ByteVector av = ByteVector.fromArray(SPECIES, a, i, vmask);
 213                 av.intoArray(r, i);
 214             }
 215         }
 216         assertArraysEquals(a, r, mask);
 217 
 218         r = new byte[a.length];
 219         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 220             for (int i = 0; i < a.length; i += SPECIES.length()) {
 221                 ByteVector av = ByteVector.fromArray(SPECIES, a, i);
 222                 av.intoArray(r, i, vmask);
 223             }
 224         }
 225 
 226         assertArraysEquals(a, r, mask);
 227     }
 228 
 229 
 230     @Test(dataProvider = "byteByteBufferProvider")
 231     static void loadStoreByteBuffer(IntFunction<byte[]> fa,
 232                                     IntFunction<ByteBuffer> fb) {
 233         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 234         ByteBuffer r = fb.apply(a.limit());
 235 
 236         int l = a.limit();
 237         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 238 
 239         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 240             for (int i = 0; i < l; i += s) {
 241                 ByteVector av = ByteVector.fromByteBuffer(SPECIES, a, i);
 242                 av.intoByteBuffer(r, i);
 243             }
 244         }
 245         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 246         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 247         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 248         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 249         Assert.assertEquals(a, r, "Buffers not equal");
 250     }
 251 
 252     @Test(dataProvider = "byteByteBufferProvider")
 253     static void loadReadOnlyStoreByteBuffer(IntFunction<byte[]> fa,
 254                                             IntFunction<ByteBuffer> fb) {
 255         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 256         a = a.asReadOnlyBuffer().order(a.order());
 257         ByteBuffer r = fb.apply(a.limit());
 258 
 259         int l = a.limit();
 260         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 261 
 262         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 263             for (int i = 0; i < l; i += s) {
 264                 ByteVector av = ByteVector.fromByteBuffer(SPECIES, a, i);
 265                 av.intoByteBuffer(r, i);
 266             }
 267         }
 268         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 269         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 270         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 271         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 272         Assert.assertEquals(a, r, "Buffers not equal");
 273     }
 274 
 275     @Test(dataProvider = "byteByteBufferMaskProvider")
 276     static void loadStoreByteBufferMask(IntFunction<byte[]> fa,
 277                                         IntFunction<ByteBuffer> fb,
 278                                         IntFunction<boolean[]> fm) {
 279         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 280         ByteBuffer r = fb.apply(a.limit());
 281         boolean[] mask = fm.apply(SPECIES.length());
 282         Vector.Mask<Byte> vmask = ByteVector.maskFromValues(SPECIES, mask);
 283 
 284         int l = a.limit();
 285         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 286 
 287         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 288             for (int i = 0; i < l; i += s) {
 289                 ByteVector av = ByteVector.fromByteBuffer(SPECIES, a, i, vmask);
 290                 av.intoByteBuffer(r, i);
 291             }
 292         }
 293         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 294         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 295         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 296         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 297         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 298 
 299         a = toBuffer(fa.apply(SPECIES.length()), fb);
 300         r = fb.apply(a.limit());
 301         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 302             for (int i = 0; i < l; i += s) {
 303                 ByteVector av = ByteVector.fromByteBuffer(SPECIES, a, i);
 304                 av.intoByteBuffer(r, i, vmask);
 305             }
 306         }
 307         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 308         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 309         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 310         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 311         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 312     }
 313 
 314     @Test(dataProvider = "byteByteBufferMaskProvider")
 315     static void loadReadOnlyStoreByteBufferMask(IntFunction<byte[]> fa,
 316                                                 IntFunction<ByteBuffer> fb,
 317                                                 IntFunction<boolean[]> fm) {
 318         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 319         a = a.asReadOnlyBuffer().order(a.order());
 320         ByteBuffer r = fb.apply(a.limit());
 321         boolean[] mask = fm.apply(SPECIES.length());
 322         Vector.Mask<Byte> vmask = ByteVector.maskFromValues(SPECIES, mask);
 323 
 324         int l = a.limit();
 325         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 326 
 327         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 328             for (int i = 0; i < l; i += s) {
 329                 ByteVector av = ByteVector.fromByteBuffer(SPECIES, a, i, vmask);
 330                 av.intoByteBuffer(r, i);
 331             }
 332         }
 333         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 334         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 335         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 336         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 337         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 338     }
 339 }
--- EOF ---