1 /*
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   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 Int64VectorLoadStoreTests
  28  *
  29  */
  30 
  31 import jdk.incubator.vector.VectorShape;
  32 import jdk.incubator.vector.VectorSpecies;
  33 import jdk.incubator.vector.VectorMask;
  34 import jdk.incubator.vector.Vector;
  35 
  36 import jdk.incubator.vector.IntVector;
  37 
  38 import org.testng.Assert;
  39 import org.testng.annotations.DataProvider;
  40 import org.testng.annotations.Test;
  41 
  42 import java.nio.ByteBuffer;
  43 import java.nio.IntBuffer;
  44 import java.nio.ByteOrder;
  45 import java.util.List;
  46 import java.util.function.IntFunction;
  47 
  48 @Test
  49 public class Int64VectorLoadStoreTests extends AbstractVectorTest {
  50     static final VectorSpecies<Integer> SPECIES =
  51                 IntVector.SPECIES_64;
  52 
  53     static final int INVOC_COUNT = Integer.getInteger("jdk.incubator.vector.test.loop-iterations", 10);
  54 
  55     static void assertArraysEquals(int[] a, int[] r, boolean[] mask) {
  56         int i = 0;
  57         try {
  58             for (; i < a.length; i++) {
  59                 Assert.assertEquals(mask[i % SPECIES.length()] ? a[i] : (int) 0, r[i]);
  60             }
  61         } catch (AssertionError e) {
  62             Assert.assertEquals(mask[i % SPECIES.length()] ? a[i] : (int) 0, r[i], "at index #" + i);
  63         }
  64     }
  65 
  66     static void assertArraysEquals(int[] a, int[] r, int[] im) {
  67         int i = 0;
  68         try {
  69             for (; i < a.length; i++) {
  70                 Assert.assertEquals(a[im[i]], r[i]);
  71             }
  72         } catch (AssertionError e) {
  73             Assert.assertEquals(a[im[i]], r[i], "at index #" + i);
  74         }
  75     }
  76 
  77     static void assertArraysEquals(int[] a, int[] r, int[] im, boolean[] mask) {
  78         int i = 0;
  79         try {
  80             for (; i < a.length; i++) {
  81                 Assert.assertEquals(mask[i % SPECIES.length()] ? a[im[i]] : (int) 0, r[i]);
  82             }
  83         } catch (AssertionError e) {
  84             Assert.assertEquals(mask[i % SPECIES.length()] ? a[im[i]] : (int) 0, r[i], "at index #" + i);
  85         }
  86     }
  87 
  88     static final List<IntFunction<int[]>> INT_GENERATORS = List.of(
  89             withToString("int[i * 5]", (int s) -> {
  90                 return fill(s * 1000,
  91                             i -> (int)(i * 5));
  92             }),
  93             withToString("int[i + 1]", (int s) -> {
  94                 return fill(s * 1000,
  95                             i -> (((int)(i + 1) == 0) ? 1 : (int)(i + 1)));
  96             })
  97     );
  98 
  99     @DataProvider
 100     public Object[][] intProvider() {
 101         return INT_GENERATORS.stream().
 102                 map(f -> new Object[]{f}).
 103                 toArray(Object[][]::new);
 104     }
 105 
 106     @DataProvider
 107     public Object[][] intMaskProvider() {
 108         return BOOLEAN_MASK_GENERATORS.stream().
 109                 flatMap(fm -> INT_GENERATORS.stream().map(fa -> {
 110                     return new Object[] {fa, fm};
 111                 })).
 112                 toArray(Object[][]::new);
 113     }
 114 
 115     @DataProvider
 116     public Object[][] intIndexMapProvider() {
 117         return INDEX_GENERATORS.stream().
 118                 flatMap(fim -> INT_GENERATORS.stream().map(fa -> {
 119                     return new Object[] {fa, fim};
 120                 })).
 121                 toArray(Object[][]::new);
 122     }
 123 
 124     @DataProvider
 125     public Object[][] intIndexMapMaskProvider() {
 126         return BOOLEAN_MASK_GENERATORS.stream().
 127                 flatMap(fm -> INDEX_GENERATORS.stream().
 128                     flatMap(fim -> INT_GENERATORS.stream().map(fa -> {
 129                         return new Object[] {fa, fim, fm};
 130                 }))).
 131                 toArray(Object[][]::new);
 132     }
 133 
 134     @DataProvider
 135     public Object[][] intByteBufferProvider() {
 136         return INT_GENERATORS.stream().
 137                 flatMap(fa -> BYTE_BUFFER_GENERATORS.stream().map(fb -> {
 138                     return new Object[]{fa, fb};
 139                 })).
 140                 toArray(Object[][]::new);
 141     }
 142 
 143     @DataProvider
 144     public Object[][] intByteBufferMaskProvider() {
 145         return BOOLEAN_MASK_GENERATORS.stream().
 146                 flatMap(fm -> INT_GENERATORS.stream().
 147                         flatMap(fa -> BYTE_BUFFER_GENERATORS.stream().map(fb -> {
 148                             return new Object[]{fa, fb, fm};
 149                         }))).
 150                 toArray(Object[][]::new);
 151     }
 152 
 153     static ByteBuffer toBuffer(int[] a, IntFunction<ByteBuffer> fb) {
 154         ByteBuffer bb = fb.apply(a.length * SPECIES.elementSize() / 8);
 155         for (int v : a) {
 156             bb.putInt(v);
 157         }
 158         return bb.clear();
 159     }
 160 
 161     static int[] bufferToArray(ByteBuffer bb) {
 162         IntBuffer db = bb.asIntBuffer();
 163         int[] d = new int[db.capacity()];
 164         db.get(d);
 165         return d;
 166     }
 167 
 168     interface ToIntF {
 169         int apply(int i);
 170     }
 171 
 172     static int[] fill(int s , ToIntF f) {
 173         return fill(new int[s], f);
 174     }
 175 
 176     static int[] fill(int[] a, ToIntF f) {
 177         for (int i = 0; i < a.length; i++) {
 178             a[i] = f.apply(i);
 179         }
 180         return a;
 181     }
 182 
 183     @Test(dataProvider = "intProvider")
 184     static void loadStoreArray(IntFunction<int[]> fa) {
 185         int[] a = fa.apply(SPECIES.length());
 186         int[] r = new int[a.length];
 187 
 188         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 189             for (int i = 0; i < a.length; i += SPECIES.length()) {
 190                 IntVector av = IntVector.fromArray(SPECIES, a, i);
 191                 av.intoArray(r, i);
 192             }
 193         }
 194         Assert.assertEquals(a, r);
 195     }
 196 
 197     @Test(dataProvider = "intMaskProvider")
 198     static void loadStoreMaskArray(IntFunction<int[]> fa,
 199                                    IntFunction<boolean[]> fm) {
 200         int[] a = fa.apply(SPECIES.length());
 201         int[] r = new int[a.length];
 202         boolean[] mask = fm.apply(SPECIES.length());
 203         VectorMask<Integer> vmask = VectorMask.fromValues(SPECIES, mask);
 204 
 205         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 206             for (int i = 0; i < a.length; i += SPECIES.length()) {
 207                 IntVector av = IntVector.fromArray(SPECIES, a, i, vmask);
 208                 av.intoArray(r, i);
 209             }
 210         }
 211         assertArraysEquals(a, r, mask);
 212 
 213         r = new int[a.length];
 214         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 215             for (int i = 0; i < a.length; i += SPECIES.length()) {
 216                 IntVector av = IntVector.fromArray(SPECIES, a, i);
 217                 av.intoArray(r, i, vmask);
 218             }
 219         }
 220 
 221         assertArraysEquals(a, r, mask);
 222     }
 223 
 224 
 225     @Test(dataProvider = "intByteBufferProvider")
 226     static void loadStoreByteBuffer(IntFunction<int[]> fa,
 227                                     IntFunction<ByteBuffer> fb) {
 228         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 229         ByteBuffer r = fb.apply(a.limit());
 230 
 231         int l = a.limit();
 232         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 233 
 234         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 235             for (int i = 0; i < l; i += s) {
 236                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i);
 237                 av.intoByteBuffer(r, i);
 238             }
 239         }
 240         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 241         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 242         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 243         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 244         Assert.assertEquals(a, r, "Buffers not equal");
 245     }
 246 
 247     @Test(dataProvider = "intByteBufferProvider")
 248     static void loadReadOnlyStoreByteBuffer(IntFunction<int[]> fa,
 249                                             IntFunction<ByteBuffer> fb) {
 250         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 251         a = a.asReadOnlyBuffer().order(a.order());
 252         ByteBuffer r = fb.apply(a.limit());
 253 
 254         int l = a.limit();
 255         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 256 
 257         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 258             for (int i = 0; i < l; i += s) {
 259                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i);
 260                 av.intoByteBuffer(r, i);
 261             }
 262         }
 263         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 264         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 265         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 266         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 267         Assert.assertEquals(a, r, "Buffers not equal");
 268     }
 269 
 270     @Test(dataProvider = "intByteBufferMaskProvider")
 271     static void loadStoreByteBufferMask(IntFunction<int[]> fa,
 272                                         IntFunction<ByteBuffer> fb,
 273                                         IntFunction<boolean[]> fm) {
 274         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 275         ByteBuffer r = fb.apply(a.limit());
 276         boolean[] mask = fm.apply(SPECIES.length());
 277         VectorMask<Integer> vmask = VectorMask.fromValues(SPECIES, mask);
 278 
 279         int l = a.limit();
 280         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 281 
 282         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 283             for (int i = 0; i < l; i += s) {
 284                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i, vmask);
 285                 av.intoByteBuffer(r, i);
 286             }
 287         }
 288         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 289         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 290         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 291         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 292         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 293 
 294         a = toBuffer(fa.apply(SPECIES.length()), fb);
 295         r = fb.apply(a.limit());
 296         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 297             for (int i = 0; i < l; i += s) {
 298                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i);
 299                 av.intoByteBuffer(r, i, vmask);
 300             }
 301         }
 302         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 303         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 304         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 305         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 306         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 307     }
 308 
 309     @Test(dataProvider = "intByteBufferMaskProvider")
 310     static void loadReadOnlyStoreByteBufferMask(IntFunction<int[]> fa,
 311                                                 IntFunction<ByteBuffer> fb,
 312                                                 IntFunction<boolean[]> fm) {
 313         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 314         a = a.asReadOnlyBuffer().order(a.order());
 315         ByteBuffer r = fb.apply(a.limit());
 316         boolean[] mask = fm.apply(SPECIES.length());
 317         VectorMask<Integer> vmask = VectorMask.fromValues(SPECIES, mask);
 318 
 319         int l = a.limit();
 320         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 321 
 322         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 323             for (int i = 0; i < l; i += s) {
 324                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i, vmask);
 325                 av.intoByteBuffer(r, i);
 326             }
 327         }
 328         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 329         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 330         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 331         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 332         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 333     }
 334 }