tests/src/JIT/HardwareIntrinsics/X86/Fma_Vector256/MultiplySubtractNegated.Double.cs

   1 // Licensed to the .NET Foundation under one or more agreements.
   2 // The .NET Foundation licenses this file to you under the MIT license.
   3 // See the LICENSE file in the project root for more information.
   4
   5 /******************************************************************************
   6  * This file is auto-generated from a template file by the GenerateTests.csx  *
   7  * script in tests\src\JIT\HardwareIntrinsics\X86\Shared. In order to make    *
   8  * changes, please update the corresponding template and run according to the *
   9  * directions listed in the file.                                             *
  10  ******************************************************************************/
  11
  12 using System;
  13 using System.Runtime.CompilerServices;
  14 using System.Runtime.InteropServices;
  15 using System.Runtime.Intrinsics;
  16 using System.Runtime.Intrinsics.X86;
  17
  18 namespace JIT.HardwareIntrinsics.X86
  19 {
  20     public static partial class Program
  21     {
  22         private static void MultiplySubtractNegatedDouble()
  23         {
  24             var test = new SimpleTernaryOpTest__MultiplySubtractNegatedDouble();
  25
  26             if (test.IsSupported)
  27             {
  28                 // Validates basic functionality works, using Unsafe.Read
  29                 test.RunBasicScenario_UnsafeRead();
  30
  31                 if (Avx.IsSupported)
  32                 {
  33                     // Validates basic functionality works, using Load
  34                     test.RunBasicScenario_Load();
  35
  36                     // Validates basic functionality works, using LoadAligned
  37                     test.RunBasicScenario_LoadAligned();
  38                 }
  39
  40                 // Validates calling via reflection works, using Unsafe.Read
  41                 test.RunReflectionScenario_UnsafeRead();
  42
  43                 if (Avx.IsSupported)
  44                 {
  45                     // Validates calling via reflection works, using Load
  46                     test.RunReflectionScenario_Load();
  47
  48                     // Validates calling via reflection works, using LoadAligned
  49                     test.RunReflectionScenario_LoadAligned();
  50                 }
  51
  52                 // Validates passing a static member works
  53                 test.RunClsVarScenario();
  54
  55                 // Validates passing a local works, using Unsafe.Read
  56                 test.RunLclVarScenario_UnsafeRead();
  57
  58                 if (Avx.IsSupported)
  59                 {
  60                     // Validates passing a local works, using Load
  61                     test.RunLclVarScenario_Load();
  62
  63                     // Validates passing a local works, using LoadAligned
  64                     test.RunLclVarScenario_LoadAligned();
  65                 }
  66
  67                 // Validates passing the field of a local class works
  68                 test.RunClassLclFldScenario();
  69
  70                 // Validates passing an instance member of a class works
  71                 test.RunClassFldScenario();
  72
  73                 // Validates passing the field of a local struct works
  74                 test.RunStructLclFldScenario();
  75
  76                 // Validates passing an instance member of a struct works
  77                 test.RunStructFldScenario();
  78             }
  79             else
  80             {
  81                 // Validates we throw on unsupported hardware
  82                 test.RunUnsupportedScenario();
  83             }
  84
  85             if (!test.Succeeded)
  86             {
  87                 throw new Exception("One or more scenarios did not complete as expected.");
  88             }
  89         }
  90     }
  91
  92     public sealed unsafe class SimpleTernaryOpTest__MultiplySubtractNegatedDouble
  93     {
  94         private struct TestStruct
  95         {
  96             public Vector256<Double> _fld1;
  97             public Vector256<Double> _fld2;
  98             public Vector256<Double> _fld3;
  99
 100             public static TestStruct Create()
 101             {
 102                 var testStruct = new TestStruct();
 103                 var random = new Random();
 104
 105                 for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
 106                 Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref testStruct._fld1), ref Unsafe.As<Double, byte>(ref _data1[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 107                 for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
 108                 Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref testStruct._fld2), ref Unsafe.As<Double, byte>(ref _data2[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 109                 for (var i = 0; i < Op3ElementCount; i++) { _data3[i] = (double)(random.NextDouble()); }
 110                 Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _clsVar3), ref Unsafe.As<Double, byte>(ref _data3[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 111
 112                 return testStruct;
 113             }
 114
 115             public void RunStructFldScenario(SimpleTernaryOpTest__MultiplySubtractNegatedDouble testClass)
 116             {
 117                 var result = Fma.MultiplySubtractNegated(_fld1, _fld2, _fld3);
 118
 119                 Unsafe.Write(testClass._dataTable.outArrayPtr, result);
 120                 testClass.ValidateResult(_fld1, _fld2, _fld3, testClass._dataTable.outArrayPtr);
 121             }
 122         }
 123
 124         private static readonly int LargestVectorSize = 32;
 125
 126         private static readonly int Op1ElementCount = Unsafe.SizeOf<Vector256<Double>>() / sizeof(Double);
 127         private static readonly int Op2ElementCount = Unsafe.SizeOf<Vector256<Double>>() / sizeof(Double);
 128         private static readonly int Op3ElementCount = Unsafe.SizeOf<Vector256<Double>>() / sizeof(Double);
 129         private static readonly int RetElementCount = Unsafe.SizeOf<Vector256<Double>>() / sizeof(Double);
 130
 131         private static Double[] _data1 = new Double[Op1ElementCount];
 132         private static Double[] _data2 = new Double[Op2ElementCount];
 133         private static Double[] _data3 = new Double[Op3ElementCount];
 134
 135         private static Vector256<Double> _clsVar1;
 136         private static Vector256<Double> _clsVar2;
 137         private static Vector256<Double> _clsVar3;
 138
 139         private Vector256<Double> _fld1;
 140         private Vector256<Double> _fld2;
 141         private Vector256<Double> _fld3;
 142
 143         private SimpleTernaryOpTest__DataTable<Double, Double, Double, Double> _dataTable;
 144
 145         static SimpleTernaryOpTest__MultiplySubtractNegatedDouble()
 146         {
 147             var random = new Random();
 148
 149             for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
 150             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _clsVar1), ref Unsafe.As<Double, byte>(ref _data1[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 151             for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
 152             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _clsVar2), ref Unsafe.As<Double, byte>(ref _data2[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 153             for (var i = 0; i < Op3ElementCount; i++) { _data3[i] = (double)(random.NextDouble()); }
 154             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _clsVar3), ref Unsafe.As<Double, byte>(ref _data3[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 155         }
 156
 157         public SimpleTernaryOpTest__MultiplySubtractNegatedDouble()
 158         {
 159             Succeeded = true;
 160
 161             var random = new Random();
 162
 163             for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
 164             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _fld1), ref Unsafe.As<Double, byte>(ref _data1[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 165             for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
 166             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _fld2), ref Unsafe.As<Double, byte>(ref _data2[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 167             for (var i = 0; i < Op3ElementCount; i++) { _data3[i] = (double)(random.NextDouble()); }
 168             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Vector256<Double>, byte>(ref _fld3), ref Unsafe.As<Double, byte>(ref _data3[0]), (uint)Unsafe.SizeOf<Vector256<Double>>());
 169
 170             for (var i = 0; i < Op1ElementCount; i++) { _data1[i] = (double)(random.NextDouble()); }
 171             for (var i = 0; i < Op2ElementCount; i++) { _data2[i] = (double)(random.NextDouble()); }
 172             for (var i = 0; i < Op3ElementCount; i++) { _data3[i] = (double)(random.NextDouble()); }
 173             _dataTable = new SimpleTernaryOpTest__DataTable<Double, Double, Double, Double>(_data1, _data2, _data3, new Double[RetElementCount], LargestVectorSize);
 174         }
 175
 176         public bool IsSupported => Fma.IsSupported;
 177
 178         public bool Succeeded { get; set; }
 179
 180         public void RunBasicScenario_UnsafeRead()
 181         {
 182             var result = Fma.MultiplySubtractNegated(
 183                 Unsafe.Read<Vector256<Double>>(_dataTable.inArray1Ptr),
 184                 Unsafe.Read<Vector256<Double>>(_dataTable.inArray2Ptr),
 185                 Unsafe.Read<Vector256<Double>>(_dataTable.inArray3Ptr)
 186             );
 187
 188             Unsafe.Write(_dataTable.outArrayPtr, result);
 189             ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.inArray3Ptr, _dataTable.outArrayPtr);
 190         }
 191
 192         public void RunBasicScenario_Load()
 193         {
 194             var result = Fma.MultiplySubtractNegated(
 195                 Avx.LoadVector256((Double*)(_dataTable.inArray1Ptr)),
 196                 Avx.LoadVector256((Double*)(_dataTable.inArray2Ptr)),
 197                 Avx.LoadVector256((Double*)(_dataTable.inArray3Ptr))
 198             );
 199
 200             Unsafe.Write(_dataTable.outArrayPtr, result);
 201             ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.inArray3Ptr, _dataTable.outArrayPtr);
 202         }
 203
 204         public void RunBasicScenario_LoadAligned()
 205         {
 206             var result = Fma.MultiplySubtractNegated(
 207                 Avx.LoadAlignedVector256((Double*)(_dataTable.inArray1Ptr)),
 208                 Avx.LoadAlignedVector256((Double*)(_dataTable.inArray2Ptr)),
 209                 Avx.LoadAlignedVector256((Double*)(_dataTable.inArray3Ptr))
 210             );
 211
 212             Unsafe.Write(_dataTable.outArrayPtr, result);
 213             ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.inArray3Ptr, _dataTable.outArrayPtr);
 214         }
 215
 216         public void RunReflectionScenario_UnsafeRead()
 217         {
 218             var result = typeof(Fma).GetMethod(nameof(Fma.MultiplySubtractNegated), new Type[] { typeof(Vector256<Double>), typeof(Vector256<Double>), typeof(Vector256<Double>) })
 219                                      .Invoke(null, new object[] {
 220                                         Unsafe.Read<Vector256<Double>>(_dataTable.inArray1Ptr),
 221                                         Unsafe.Read<Vector256<Double>>(_dataTable.inArray2Ptr),
 222                                         Unsafe.Read<Vector256<Double>>(_dataTable.inArray3Ptr)
 223                                      });
 224
 225             Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Double>)(result));
 226             ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.inArray3Ptr, _dataTable.outArrayPtr);
 227         }
 228
 229         public void RunReflectionScenario_Load()
 230         {
 231             var result = typeof(Fma).GetMethod(nameof(Fma.MultiplySubtractNegated), new Type[] { typeof(Vector256<Double>), typeof(Vector256<Double>), typeof(Vector256<Double>) })
 232                                      .Invoke(null, new object[] {
 233                                         Avx.LoadVector256((Double*)(_dataTable.inArray1Ptr)),
 234                                         Avx.LoadVector256((Double*)(_dataTable.inArray2Ptr)),
 235                                         Avx.LoadVector256((Double*)(_dataTable.inArray3Ptr))
 236                                      });
 237
 238             Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Double>)(result));
 239             ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.inArray3Ptr, _dataTable.outArrayPtr);
 240         }
 241
 242         public void RunReflectionScenario_LoadAligned()
 243         {
 244             var result = typeof(Fma).GetMethod(nameof(Fma.MultiplySubtractNegated), new Type[] { typeof(Vector256<Double>), typeof(Vector256<Double>), typeof(Vector256<Double>) })
 245                                      .Invoke(null, new object[] {
 246                                         Avx.LoadAlignedVector256((Double*)(_dataTable.inArray1Ptr)),
 247                                         Avx.LoadAlignedVector256((Double*)(_dataTable.inArray2Ptr)),
 248                                         Avx.LoadAlignedVector256((Double*)(_dataTable.inArray3Ptr))
 249                                      });
 250
 251             Unsafe.Write(_dataTable.outArrayPtr, (Vector256<Double>)(result));
 252             ValidateResult(_dataTable.inArray1Ptr, _dataTable.inArray2Ptr, _dataTable.inArray3Ptr, _dataTable.outArrayPtr);
 253         }
 254
 255         public void RunClsVarScenario()
 256         {
 257             var result = Fma.MultiplySubtractNegated(
 258                 _clsVar1,
 259                 _clsVar2,
 260                 _clsVar3
 261             );
 262
 263             Unsafe.Write(_dataTable.outArrayPtr, result);
 264             ValidateResult(_clsVar1, _clsVar2, _clsVar3, _dataTable.outArrayPtr);
 265         }
 266
 267         public void RunLclVarScenario_UnsafeRead()
 268         {
 269             var firstOp = Unsafe.Read<Vector256<Double>>(_dataTable.inArray1Ptr);
 270             var secondOp = Unsafe.Read<Vector256<Double>>(_dataTable.inArray2Ptr);
 271             var thirdOp = Unsafe.Read<Vector256<Double>>(_dataTable.inArray3Ptr);
 272             var result = Fma.MultiplySubtractNegated(firstOp, secondOp, thirdOp);
 273
 274             Unsafe.Write(_dataTable.outArrayPtr, result);
 275             ValidateResult(firstOp, secondOp, thirdOp, _dataTable.outArrayPtr);
 276         }
 277
 278         public void RunLclVarScenario_Load()
 279         {
 280             var firstOp = Avx.LoadVector256((Double*)(_dataTable.inArray1Ptr));
 281             var secondOp = Avx.LoadVector256((Double*)(_dataTable.inArray2Ptr));
 282             var thirdOp = Avx.LoadVector256((Double*)(_dataTable.inArray3Ptr));
 283             var result = Fma.MultiplySubtractNegated(firstOp, secondOp, thirdOp);
 284
 285             Unsafe.Write(_dataTable.outArrayPtr, result);
 286             ValidateResult(firstOp, secondOp, thirdOp, _dataTable.outArrayPtr);
 287         }
 288
 289         public void RunLclVarScenario_LoadAligned()
 290         {
 291             var firstOp = Avx.LoadAlignedVector256((Double*)(_dataTable.inArray1Ptr));
 292             var secondOp = Avx.LoadAlignedVector256((Double*)(_dataTable.inArray2Ptr));
 293             var thirdOp = Avx.LoadAlignedVector256((Double*)(_dataTable.inArray3Ptr));
 294             var result = Fma.MultiplySubtractNegated(firstOp, secondOp, thirdOp);
 295
 296             Unsafe.Write(_dataTable.outArrayPtr, result);
 297             ValidateResult(firstOp, secondOp, thirdOp, _dataTable.outArrayPtr);
 298         }
 299
 300         public void RunClassLclFldScenario()
 301         {
 302             var test = new SimpleTernaryOpTest__MultiplySubtractNegatedDouble();
 303             var result = Fma.MultiplySubtractNegated(test._fld1, test._fld2, test._fld3);
 304
 305             Unsafe.Write(_dataTable.outArrayPtr, result);
 306             ValidateResult(test._fld1, test._fld2, test._fld3, _dataTable.outArrayPtr);
 307         }
 308
 309         public void RunClassFldScenario()
 310         {
 311             var result = Fma.MultiplySubtractNegated(_fld1, _fld2, _fld3);
 312
 313             Unsafe.Write(_dataTable.outArrayPtr, result);
 314             ValidateResult(_fld1, _fld2, _fld3, _dataTable.outArrayPtr);
 315         }
 316
 317         public void RunStructLclFldScenario()
 318         {
 319             var test = TestStruct.Create();
 320             var result = Fma.MultiplySubtractNegated(test._fld1, test._fld2, test._fld3);
 321
 322             Unsafe.Write(_dataTable.outArrayPtr, result);
 323             ValidateResult(test._fld1, test._fld2, test._fld3, _dataTable.outArrayPtr);
 324         }
 325
 326         public void RunStructFldScenario()
 327         {
 328             var test = TestStruct.Create();
 329             test.RunStructFldScenario(this);
 330         }
 331
 332         public void RunUnsupportedScenario()
 333         {
 334             Succeeded = false;
 335
 336             try
 337             {
 338                 RunBasicScenario_UnsafeRead();
 339             }
 340             catch (PlatformNotSupportedException)
 341             {
 342                 Succeeded = true;
 343             }
 344         }
 345
 346         private void ValidateResult(Vector256<Double> firstOp, Vector256<Double> secondOp, Vector256<Double> thirdOp, void* result, [CallerMemberName] string method = "")
 347         {
 348             Double[] inArray1 = new Double[Op1ElementCount];
 349             Double[] inArray2 = new Double[Op2ElementCount];
 350             Double[] inArray3 = new Double[Op3ElementCount];
 351             Double[] outArray = new Double[RetElementCount];
 352
 353             Unsafe.WriteUnaligned(ref Unsafe.As<Double, byte>(ref inArray1[0]), firstOp);
 354             Unsafe.WriteUnaligned(ref Unsafe.As<Double, byte>(ref inArray2[0]), secondOp);
 355             Unsafe.WriteUnaligned(ref Unsafe.As<Double, byte>(ref inArray3[0]), thirdOp);
 356             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<Double>>());
 357
 358             ValidateResult(inArray1, inArray2, inArray3, outArray, method);
 359         }
 360
 361         private void ValidateResult(void* firstOp, void* secondOp, void* thirdOp, void* result, [CallerMemberName] string method = "")
 362         {
 363             Double[] inArray1 = new Double[Op1ElementCount];
 364             Double[] inArray2 = new Double[Op2ElementCount];
 365             Double[] inArray3 = new Double[Op3ElementCount];
 366             Double[] outArray = new Double[RetElementCount];
 367
 368             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref inArray1[0]), ref Unsafe.AsRef<byte>(firstOp), (uint)Unsafe.SizeOf<Vector256<Double>>());
 369             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref inArray2[0]), ref Unsafe.AsRef<byte>(secondOp), (uint)Unsafe.SizeOf<Vector256<Double>>());
 370             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref inArray3[0]), ref Unsafe.AsRef<byte>(thirdOp), (uint)Unsafe.SizeOf<Vector256<Double>>());
 371             Unsafe.CopyBlockUnaligned(ref Unsafe.As<Double, byte>(ref outArray[0]), ref Unsafe.AsRef<byte>(result), (uint)Unsafe.SizeOf<Vector256<Double>>());
 372
 373             ValidateResult(inArray1, inArray2, inArray3, outArray, method);
 374         }
 375
 376         private void ValidateResult(Double[] firstOp, Double[] secondOp, Double[] thirdOp, Double[] result, [CallerMemberName] string method = "")
 377         {
 378             if (BitConverter.DoubleToInt64Bits(Math.Round(-(firstOp[0] * secondOp[0]) - thirdOp[0], 9)) != BitConverter.DoubleToInt64Bits(Math.Round(result[0], 9)))
 379             {
 380                 Succeeded = false;
 381             }
 382             else
 383             {
 384                 for (var i = 1; i < RetElementCount; i++)
 385                 {
 386                     if (BitConverter.DoubleToInt64Bits(Math.Round(-(firstOp[i] * secondOp[i]) - thirdOp[i], 9)) != BitConverter.DoubleToInt64Bits(Math.Round(result[i], 9)))
 387                     {
 388                         Succeeded = false;
 389                         break;
 390                     }
 391                 }
 392             }
 393
 394             if (!Succeeded)
 395             {
 396                 Console.WriteLine($"{nameof(Fma)}.{nameof(Fma.MultiplySubtractNegated)}<Double>(Vector256<Double>, Vector256<Double>, Vector256<Double>): {method} failed:");
 397                 Console.WriteLine($"   firstOp: ({string.Join(", ", firstOp)})");
 398                 Console.WriteLine($"  secondOp: ({string.Join(", ", secondOp)})");
 399                 Console.WriteLine($"   thirdOp: ({string.Join(", ", thirdOp)})");
 400                 Console.WriteLine($"    result: ({string.Join(", ", result)})");
 401                 Console.WriteLine();
 402             }
 403         }
 404     }
 405 }