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  *      IntMaxVectorLoadStoreTests
  29  *
  30  */
  31 
  32 import jdk.incubator.vector.VectorShape;
  33 import jdk.incubator.vector.VectorSpecies;
  34 import jdk.incubator.vector.VectorMask;
  35 import jdk.incubator.vector.Vector;
  36 
  37 import jdk.incubator.vector.IntVector;
  38 
  39 import org.testng.Assert;
  40 import org.testng.annotations.DataProvider;
  41 import org.testng.annotations.Test;
  42 
  43 import java.lang.invoke.MethodHandles;
  44 import java.lang.invoke.VarHandle;
  45 import java.nio.ByteBuffer;
  46 import java.nio.IntBuffer;
  47 import java.nio.ByteOrder;
  48 import java.util.List;
  49 import java.util.function.IntFunction;
  50 
  51 @Test
  52 public class IntMaxVectorLoadStoreTests extends AbstractVectorTest {
  53     static final VectorSpecies<Integer> SPECIES =
  54                 IntVector.SPECIES_MAX;
  55 
  56     static final int INVOC_COUNT = Integer.getInteger("jdk.incubator.vector.test.loop-iterations", 10);
  57 
  58     static VectorShape getMaxBit() {
  59         return VectorShape.S_Max_BIT;
  60     }
  61 
  62     static void assertArraysEquals(int[] a, int[] r, boolean[] mask) {
  63         int i = 0;
  64         try {
  65             for (; i < a.length; i++) {
  66                 Assert.assertEquals(mask[i % SPECIES.length()] ? a[i] : (int) 0, r[i]);
  67             }
  68         } catch (AssertionError e) {
  69             Assert.assertEquals(mask[i % SPECIES.length()] ? a[i] : (int) 0, r[i], "at index #" + i);
  70         }
  71     }
  72 
  73     static void assertArraysEquals(int[] a, int[] r, int[] im) {
  74         int i = 0;
  75         try {
  76             for (; i < a.length; i++) {
  77                 Assert.assertEquals(a[im[i]], r[i]);
  78             }
  79         } catch (AssertionError e) {
  80             Assert.assertEquals(a[im[i]], r[i], "at index #" + i);
  81         }
  82     }
  83 
  84     static void assertArraysEquals(int[] a, int[] r, int[] im, boolean[] mask) {
  85         int i = 0;
  86         try {
  87             for (; i < a.length; i++) {
  88                 Assert.assertEquals(mask[i % SPECIES.length()] ? a[im[i]] : (int) 0, r[i]);
  89             }
  90         } catch (AssertionError e) {
  91             Assert.assertEquals(mask[i % SPECIES.length()] ? a[im[i]] : (int) 0, r[i], "at index #" + i);
  92         }
  93     }
  94 
  95     static final List<IntFunction<int[]>> INT_GENERATORS = List.of(
  96             withToString("int[i * 5]", (int s) -> {
  97                 return fill(s * 1000,
  98                             i -> (int)(i * 5));
  99             }),
 100             withToString("int[i + 1]", (int s) -> {
 101                 return fill(s * 1000,
 102                             i -> (((int)(i + 1) == 0) ? 1 : (int)(i + 1)));
 103             })
 104     );
 105 
 106     @DataProvider
 107     public Object[][] intProvider() {
 108         return INT_GENERATORS.stream().
 109                 map(f -> new Object[]{f}).
 110                 toArray(Object[][]::new);
 111     }
 112 
 113     @DataProvider
 114     public Object[][] intMaskProvider() {
 115         return BOOLEAN_MASK_GENERATORS.stream().
 116                 flatMap(fm -> INT_GENERATORS.stream().map(fa -> {
 117                     return new Object[] {fa, fm};
 118                 })).
 119                 toArray(Object[][]::new);
 120     }
 121 
 122     @DataProvider
 123     public Object[][] intIndexMapProvider() {
 124         return INDEX_GENERATORS.stream().
 125                 flatMap(fim -> INT_GENERATORS.stream().map(fa -> {
 126                     return new Object[] {fa, fim};
 127                 })).
 128                 toArray(Object[][]::new);
 129     }
 130 
 131     @DataProvider
 132     public Object[][] intIndexMapMaskProvider() {
 133         return BOOLEAN_MASK_GENERATORS.stream().
 134                 flatMap(fm -> INDEX_GENERATORS.stream().
 135                     flatMap(fim -> INT_GENERATORS.stream().map(fa -> {
 136                         return new Object[] {fa, fim, fm};
 137                 }))).
 138                 toArray(Object[][]::new);
 139     }
 140 
 141     @DataProvider
 142     public Object[][] intByteBufferProvider() {
 143         return INT_GENERATORS.stream().
 144                 flatMap(fa -> BYTE_BUFFER_GENERATORS.stream().map(fb -> {
 145                     return new Object[]{fa, fb};
 146                 })).
 147                 toArray(Object[][]::new);
 148     }
 149 
 150     @DataProvider
 151     public Object[][] intByteBufferMaskProvider() {
 152         return BOOLEAN_MASK_GENERATORS.stream().
 153                 flatMap(fm -> INT_GENERATORS.stream().
 154                         flatMap(fa -> BYTE_BUFFER_GENERATORS.stream().map(fb -> {
 155                             return new Object[]{fa, fb, fm};
 156                         }))).
 157                 toArray(Object[][]::new);
 158     }
 159 
 160     static ByteBuffer toBuffer(int[] a, IntFunction<ByteBuffer> fb) {
 161         ByteBuffer bb = fb.apply(a.length * SPECIES.elementSize() / 8);
 162         for (int v : a) {
 163             bb.putInt(v);
 164         }
 165         return bb.clear();
 166     }
 167 
 168     static int[] bufferToArray(ByteBuffer bb) {
 169         IntBuffer db = bb.asIntBuffer();
 170         int[] d = new int[db.capacity()];
 171         db.get(d);
 172         return d;
 173     }
 174 
 175     interface ToIntF {
 176         int apply(int i);
 177     }
 178 
 179     static int[] fill(int s , ToIntF f) {
 180         return fill(new int[s], f);
 181     }
 182 
 183     static int[] fill(int[] a, ToIntF f) {
 184         for (int i = 0; i < a.length; i++) {
 185             a[i] = f.apply(i);
 186         }
 187         return a;
 188     }
 189 
 190     @Test(dataProvider = "intProvider")
 191     static void loadStoreArray(IntFunction<int[]> fa) {
 192         int[] a = fa.apply(SPECIES.length());
 193         int[] r = new int[a.length];
 194 
 195         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 196             for (int i = 0; i < a.length; i += SPECIES.length()) {
 197                 IntVector av = IntVector.fromArray(SPECIES, a, i);
 198                 av.intoArray(r, i);
 199             }
 200         }
 201         Assert.assertEquals(a, r);
 202     }
 203 
 204     @Test(dataProvider = "intMaskProvider")
 205     static void loadStoreMaskArray(IntFunction<int[]> fa,
 206                                    IntFunction<boolean[]> fm) {
 207         int[] a = fa.apply(SPECIES.length());
 208         int[] r = new int[a.length];
 209         boolean[] mask = fm.apply(SPECIES.length());
 210         VectorMask<Integer> vmask = VectorMask.fromValues(SPECIES, mask);
 211 
 212         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 213             for (int i = 0; i < a.length; i += SPECIES.length()) {
 214                 IntVector av = IntVector.fromArray(SPECIES, a, i, vmask);
 215                 av.intoArray(r, i);
 216             }
 217         }
 218         assertArraysEquals(a, r, mask);
 219 
 220         r = new int[a.length];
 221         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 222             for (int i = 0; i < a.length; i += SPECIES.length()) {
 223                 IntVector av = IntVector.fromArray(SPECIES, a, i);
 224                 av.intoArray(r, i, vmask);
 225             }
 226         }
 227 
 228         assertArraysEquals(a, r, mask);
 229     }
 230 
 231 
 232     @Test(dataProvider = "intByteBufferProvider")
 233     static void loadStoreByteBuffer(IntFunction<int[]> fa,
 234                                     IntFunction<ByteBuffer> fb) {
 235         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 236         ByteBuffer r = fb.apply(a.limit());
 237 
 238         int l = a.limit();
 239         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 240 
 241         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 242             for (int i = 0; i < l; i += s) {
 243                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i);
 244                 av.intoByteBuffer(r, i);
 245             }
 246         }
 247         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 248         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 249         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 250         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 251         Assert.assertEquals(a, r, "Buffers not equal");
 252     }
 253 
 254     @Test(dataProvider = "intByteBufferProvider")
 255     static void loadReadOnlyStoreByteBuffer(IntFunction<int[]> fa,
 256                                             IntFunction<ByteBuffer> fb) {
 257         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 258         a = a.asReadOnlyBuffer().order(a.order());
 259         ByteBuffer r = fb.apply(a.limit());
 260 
 261         int l = a.limit();
 262         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 263 
 264         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 265             for (int i = 0; i < l; i += s) {
 266                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i);
 267                 av.intoByteBuffer(r, i);
 268             }
 269         }
 270         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 271         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 272         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 273         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 274         Assert.assertEquals(a, r, "Buffers not equal");
 275     }
 276 
 277     @Test(dataProvider = "intByteBufferMaskProvider")
 278     static void loadStoreByteBufferMask(IntFunction<int[]> fa,
 279                                         IntFunction<ByteBuffer> fb,
 280                                         IntFunction<boolean[]> fm) {
 281         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 282         ByteBuffer r = fb.apply(a.limit());
 283         boolean[] mask = fm.apply(SPECIES.length());
 284         VectorMask<Integer> vmask = VectorMask.fromValues(SPECIES, mask);
 285 
 286         int l = a.limit();
 287         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 288 
 289         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 290             for (int i = 0; i < l; i += s) {
 291                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i, vmask);
 292                 av.intoByteBuffer(r, i);
 293             }
 294         }
 295         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 296         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 297         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 298         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 299         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 300 
 301         a = toBuffer(fa.apply(SPECIES.length()), fb);
 302         r = fb.apply(a.limit());
 303         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 304             for (int i = 0; i < l; i += s) {
 305                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i);
 306                 av.intoByteBuffer(r, i, vmask);
 307             }
 308         }
 309         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 310         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 311         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 312         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 313         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 314     }
 315 
 316     @Test(dataProvider = "intByteBufferMaskProvider")
 317     static void loadReadOnlyStoreByteBufferMask(IntFunction<int[]> fa,
 318                                                 IntFunction<ByteBuffer> fb,
 319                                                 IntFunction<boolean[]> fm) {
 320         ByteBuffer a = toBuffer(fa.apply(SPECIES.length()), fb);
 321         a = a.asReadOnlyBuffer().order(a.order());
 322         ByteBuffer r = fb.apply(a.limit());
 323         boolean[] mask = fm.apply(SPECIES.length());
 324         VectorMask<Integer> vmask = VectorMask.fromValues(SPECIES, mask);
 325 
 326         int l = a.limit();
 327         int s = SPECIES.length() * SPECIES.elementSize() / 8;
 328 
 329         for (int ic = 0; ic < INVOC_COUNT; ic++) {
 330             for (int i = 0; i < l; i += s) {
 331                 IntVector av = IntVector.fromByteBuffer(SPECIES, a, i, vmask);
 332                 av.intoByteBuffer(r, i);
 333             }
 334         }
 335         Assert.assertEquals(a.position(), 0, "Input buffer position changed");
 336         Assert.assertEquals(a.limit(), l, "Input buffer limit changed");
 337         Assert.assertEquals(r.position(), 0, "Result buffer position changed");
 338         Assert.assertEquals(r.limit(), l, "Result buffer limit changed");
 339         assertArraysEquals(bufferToArray(a), bufferToArray(r), mask);
 340     }
 341 }