external/vulkancts/modules/vulkan/memory/vktMemoryAllocationTests.cpp

   1 /*-------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2015 Google Inc.
   6  *
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  13  * the following conditions:
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  20  * Khronos, at which point this condition clause shall be removed.
  21  *
  22  * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  30  *//*!
  31  * \file
  32  * \brief Simple memory allocation tests.
  33  *//*--------------------------------------------------------------------*/
  34
  35 #include "vktMemoryAllocationTests.hpp"
  36
  37 #include "vktTestCaseUtil.hpp"
  38
  39 #include "tcuMaybe.hpp"
  40 #include "tcuResultCollector.hpp"
  41 #include "tcuTestLog.hpp"
  42
  43 #include "vkPlatform.hpp"
  44 #include "vkStrUtil.hpp"
  45 #include "vkRef.hpp"
  46 #include "vkDeviceUtil.hpp"
  47 #include "vkQueryUtil.hpp"
  48
  49 #include "deUniquePtr.hpp"
  50 #include "deStringUtil.hpp"
  51 #include "deRandom.hpp"
  52
  53 using tcu::Maybe;
  54 using tcu::TestLog;
  55
  56 using std::string;
  57 using std::vector;
  58
  59 using namespace vk;
  60
  61 namespace vkt
  62 {
  63 namespace memory
  64 {
  65 namespace
  66 {
  67
  68 struct TestConfig
  69 {
  70         enum Order
  71         {
  72                 ALLOC_FREE,
  73                 ALLOC_REVERSE_FREE,
  74                 MIXED_ALLOC_FREE,
  75                 ORDER_LAST
  76         };
  77
  78         Maybe<VkDeviceSize>     memorySize;
  79         Maybe<float>            memoryPercentage;
  80         deUint32                        memoryAllocationCount;
  81         Order                           order;
  82
  83         TestConfig (void)
  84                 : memoryAllocationCount ((deUint32)-1)
  85                 , order                                 (ORDER_LAST)
  86         {
  87         }
  88 };
  89
  90 class AllocateFreeTestInstance : public TestInstance
  91 {
  92 public:
  93                                                 AllocateFreeTestInstance                (Context& context, const TestConfig config)
  94                 : TestInstance                  (context)
  95                 , m_config                              (config)
  96                 , m_result                              (m_context.getTestContext().getLog())
  97                 , m_memoryTypeIndex             (0)
  98                 , m_memoryProperties    (getPhysicalDeviceMemoryProperties(context.getInstanceInterface(), context.getPhysicalDevice()))
  99         {
 100                 DE_ASSERT(!!m_config.memorySize != !!m_config.memoryPercentage);
 101         }
 102
 103         tcu::TestStatus         iterate                                                 (void);
 104
 105 private:
 106         const TestConfig                                                m_config;
 107         tcu::ResultCollector                                    m_result;
 108         deUint32                                                                m_memoryTypeIndex;
 109         const VkPhysicalDeviceMemoryProperties  m_memoryProperties;
 110 };
 111
 112 tcu::TestStatus AllocateFreeTestInstance::iterate (void)
 113 {
 114         TestLog&                                                                log                                     = m_context.getTestContext().getLog();
 115         const VkDevice                                                  device                          = m_context.getDevice();
 116         const DeviceInterface&                                  vkd                                     = m_context.getDeviceInterface();
 117
 118         if (m_memoryTypeIndex == 0)
 119         {
 120                 log << TestLog::Message << "Memory allocation count: " << m_config.memoryAllocationCount << TestLog::EndMessage;
 121                 log << TestLog::Message << "Single allocation size: " << (m_config.memorySize ? de::toString(*m_config.memorySize) : de::toString(100.0f * (*m_config.memoryPercentage)) + " of heap size.D") << TestLog::EndMessage;
 122
 123                 if (m_config.order == TestConfig::ALLOC_REVERSE_FREE)
 124                         log << TestLog::Message << "Memory is freed in reversed order. " << TestLog::EndMessage;
 125                 else if (m_config.order == TestConfig::ALLOC_FREE)
 126                         log << TestLog::Message << "Memory is freed in same order as allocated. " << TestLog::EndMessage;
 127                 else if (m_config.order == TestConfig::MIXED_ALLOC_FREE)
 128                         log << TestLog::Message << "Memory is freed right after allocation. " << TestLog::EndMessage;
 129                 else
 130                         DE_FATAL("Unknown allocation order");
 131         }
 132
 133         try
 134         {
 135                 const VkMemoryType              memoryType              = m_memoryProperties.memoryTypes[m_memoryTypeIndex];
 136                 const VkMemoryHeap              memoryHeap              = m_memoryProperties.memoryHeaps[memoryType.heapIndex];
 137
 138                 const VkDeviceSize              allocationSize  = (m_config.memorySize ? *m_config.memorySize : (VkDeviceSize)(*m_config.memoryPercentage * (float)memoryHeap.size));
 139                 vector<VkDeviceMemory>  memoryObjects   (m_config.memoryAllocationCount, (VkDeviceMemory)0);
 140
 141                 log << TestLog::Message << "Memory type index: " << m_memoryTypeIndex << TestLog::EndMessage;
 142
 143                 if (memoryType.heapIndex >= m_memoryProperties.memoryHeapCount)
 144                         m_result.fail("Invalid heap index defined for memory type.");
 145
 146                 {
 147                         log << TestLog::Message << "Memory type: " << memoryType << TestLog::EndMessage;
 148                         log << TestLog::Message << "Memory heap: " << memoryHeap << TestLog::EndMessage;
 149
 150                         if (allocationSize * m_config.memoryAllocationCount * 8 > memoryHeap.size)
 151                                 TCU_THROW(NotSupportedError, "Memory heap doesn't have enough memory.");
 152
 153                         try
 154                         {
 155                                 if (m_config.order == TestConfig::ALLOC_FREE || m_config.order == TestConfig::ALLOC_REVERSE_FREE)
 156                                 {
 157                                         for (size_t ndx = 0; ndx < m_config.memoryAllocationCount; ndx++)
 158                                         {
 159                                                 const VkMemoryAllocateInfo alloc =
 160                                                 {
 161                                                         VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, // sType
 162                                                         DE_NULL,                                                                // pNext
 163                                                         allocationSize,                                                 // allocationSize
 164                                                         m_memoryTypeIndex                                               // memoryTypeIndex;
 165                                                 };
 166
 167                                                 VK_CHECK(vkd.allocateMemory(device, &alloc, (const VkAllocationCallbacks*)DE_NULL, &memoryObjects[ndx]));
 168
 169                                                 TCU_CHECK(!!memoryObjects[ndx]);
 170                                         }
 171
 172                                         if (m_config.order == TestConfig::ALLOC_FREE)
 173                                         {
 174                                                 for (size_t ndx = 0; ndx < m_config.memoryAllocationCount; ndx++)
 175                                                 {
 176                                                         const VkDeviceMemory mem = memoryObjects[memoryObjects.size() - 1 - ndx];
 177
 178                                                         vkd.freeMemory(device, mem, (const VkAllocationCallbacks*)DE_NULL);
 179                                                         memoryObjects[memoryObjects.size() - 1 - ndx] = (VkDeviceMemory)0;
 180                                                 }
 181                                         }
 182                                         else
 183                                         {
 184                                                 for (size_t ndx = 0; ndx < m_config.memoryAllocationCount; ndx++)
 185                                                 {
 186                                                         const VkDeviceMemory mem = memoryObjects[ndx];
 187
 188                                                         vkd.freeMemory(device, mem, (const VkAllocationCallbacks*)DE_NULL);
 189                                                         memoryObjects[ndx] = (VkDeviceMemory)0;
 190                                                 }
 191                                         }
 192                                 }
 193                                 else
 194                                 {
 195                                         for (size_t ndx = 0; ndx < m_config.memoryAllocationCount; ndx++)
 196                                         {
 197                                                 const VkMemoryAllocateInfo alloc =
 198                                                 {
 199                                                         VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, // sType
 200                                                         DE_NULL,                                                                // pNext
 201                                                         allocationSize,                                                 // allocationSize
 202                                                         m_memoryTypeIndex                                               // memoryTypeIndex;
 203                                                 };
 204
 205                                                 VK_CHECK(vkd.allocateMemory(device, &alloc, (const VkAllocationCallbacks*)DE_NULL, &memoryObjects[ndx]));
 206                                                 TCU_CHECK(!!memoryObjects[ndx]);
 207
 208                                                 vkd.freeMemory(device, memoryObjects[ndx], (const VkAllocationCallbacks*)DE_NULL);
 209                                                 memoryObjects[ndx] = (VkDeviceMemory)0;
 210                                         }
 211                                 }
 212                         }
 213                         catch (...)
 214                         {
 215                                 for (size_t ndx = 0; ndx < m_config.memoryAllocationCount; ndx++)
 216                                 {
 217                                         const VkDeviceMemory mem = memoryObjects[ndx];
 218
 219                                         if (!!mem)
 220                                         {
 221                                                 vkd.freeMemory(device, mem, (const VkAllocationCallbacks*)DE_NULL);
 222                                                 memoryObjects[ndx] = (VkDeviceMemory)0;
 223                                         }
 224                                 }
 225
 226                                 throw;
 227                         }
 228                 }
 229         }
 230         catch (const tcu::TestError& error)
 231         {
 232                 m_result.fail(error.getMessage());
 233         }
 234
 235         m_memoryTypeIndex++;
 236
 237         if (m_memoryTypeIndex < m_memoryProperties.memoryTypeCount)
 238                 return tcu::TestStatus::incomplete();
 239         else
 240                 return tcu::TestStatus(m_result.getResult(), m_result.getMessage());
 241 }
 242
 243 struct MemoryType
 244 {
 245         deUint32                index;
 246         VkMemoryType    type;
 247 };
 248
 249 struct MemoryObject
 250 {
 251         VkDeviceMemory  memory;
 252         VkDeviceSize    size;
 253 };
 254
 255 struct Heap
 256 {
 257         VkMemoryHeap                    heap;
 258         VkDeviceSize                    memoryUsage;
 259         VkDeviceSize                    maxMemoryUsage;
 260         vector<MemoryType>              types;
 261         vector<MemoryObject>    objects;
 262 };
 263
 264 class RandomAllocFreeTestInstance : public TestInstance
 265 {
 266 public:
 267                                                 RandomAllocFreeTestInstance             (Context& context, deUint32 seed);
 268                                                 ~RandomAllocFreeTestInstance    (void);
 269
 270         tcu::TestStatus         iterate                                                 (void);
 271
 272 private:
 273         const size_t            m_opCount;
 274         size_t                          m_opNdx;
 275         de::Random                      m_rng;
 276         vector<Heap>            m_heaps;
 277         vector<size_t>          m_nonFullHeaps;
 278         vector<size_t>          m_nonEmptyHeaps;
 279 };
 280
 281 RandomAllocFreeTestInstance::RandomAllocFreeTestInstance        (Context& context, deUint32 seed)
 282         : TestInstance  (context)
 283         , m_opCount             (128)
 284         , m_opNdx               (0)
 285         , m_rng                 (seed)
 286 {
 287         const VkPhysicalDevice                                  physicalDevice          = context.getPhysicalDevice();
 288         const InstanceInterface&                                vki                                     = context.getInstanceInterface();
 289         const VkPhysicalDeviceMemoryProperties  memoryProperties        = getPhysicalDeviceMemoryProperties(vki, physicalDevice);
 290
 291         TCU_CHECK(memoryProperties.memoryHeapCount <= 32);
 292         TCU_CHECK(memoryProperties.memoryTypeCount <= 32);
 293
 294         m_heaps.resize(memoryProperties.memoryHeapCount);
 295
 296         m_nonFullHeaps.reserve(m_heaps.size());
 297         m_nonEmptyHeaps.reserve(m_heaps.size());
 298
 299         for (deUint32 heapNdx = 0; heapNdx < memoryProperties.memoryHeapCount; heapNdx++)
 300         {
 301                 m_heaps[heapNdx].heap                   = memoryProperties.memoryHeaps[heapNdx];
 302                 m_heaps[heapNdx].memoryUsage    = 0;
 303                 m_heaps[heapNdx].maxMemoryUsage = m_heaps[heapNdx].heap.size / 8;
 304
 305                 m_heaps[heapNdx].objects.reserve(100);
 306
 307                 m_nonFullHeaps.push_back((size_t)heapNdx);
 308         }
 309
 310         for (deUint32 memoryTypeNdx = 0; memoryTypeNdx < memoryProperties.memoryTypeCount; memoryTypeNdx++)
 311         {
 312                 const MemoryType type =
 313                 {
 314                         memoryTypeNdx,
 315                         memoryProperties.memoryTypes[memoryTypeNdx]
 316                 };
 317
 318                 TCU_CHECK(type.type.heapIndex < memoryProperties.memoryHeapCount);
 319
 320                 m_heaps[type.type.heapIndex].types.push_back(type);
 321         }
 322 }
 323
 324 RandomAllocFreeTestInstance::~RandomAllocFreeTestInstance (void)
 325 {
 326         const VkDevice                                                  device                          = m_context.getDevice();
 327         const DeviceInterface&                                  vkd                                     = m_context.getDeviceInterface();
 328
 329         for (deUint32 heapNdx = 0; heapNdx < (deUint32)m_heaps.size(); heapNdx++)
 330         {
 331                 const Heap&     heap    = m_heaps[heapNdx];
 332
 333                 for (size_t objectNdx = 0; objectNdx < heap.objects.size(); objectNdx++)
 334                 {
 335                         if (!!heap.objects[objectNdx].memory)
 336                                 vkd.freeMemory(device, heap.objects[objectNdx].memory, (const VkAllocationCallbacks*)DE_NULL);
 337                 }
 338         }
 339 }
 340
 341 tcu::TestStatus RandomAllocFreeTestInstance::iterate (void)
 342 {
 343         const VkDevice                  device                  = m_context.getDevice();
 344         const DeviceInterface&  vkd                             = m_context.getDeviceInterface();
 345         TestLog&                                log                             = m_context.getTestContext().getLog();
 346         bool                                    allocateMore;
 347
 348         if (m_opNdx == 0)
 349         {
 350                 log << TestLog::Message << "Performing " << m_opCount << " random VkAllocMemory() / VkFreeMemory() calls before freeing all memory." << TestLog::EndMessage;
 351                 log << TestLog::Message << "Using max 1/8 of the memory in each memory heap." << TestLog::EndMessage;
 352         }
 353
 354         if (m_opNdx >= m_opCount)
 355         {
 356                 if (m_nonEmptyHeaps.empty())
 357                         return tcu::TestStatus::pass("Pass");
 358                 else
 359                         allocateMore = false;
 360         }
 361         else if (!m_nonEmptyHeaps.empty() && !m_nonFullHeaps.empty())
 362                 allocateMore = m_rng.getBool(); // Randomize if both operations are doable.
 363         else if (m_nonEmptyHeaps.empty())
 364                 allocateMore = true; // Allocate more if there are no objects to free.
 365         else if (m_nonFullHeaps.empty())
 366                 allocateMore = false; // Free objects if there is no free space for new objects.
 367         else
 368         {
 369                 allocateMore = false;
 370                 DE_FATAL("Fail");
 371         }
 372
 373         if (allocateMore)
 374         {
 375                 const size_t            nonFullHeapNdx  = (size_t)(m_rng.getUint32() % (deUint32)m_nonFullHeaps.size());
 376                 const size_t            heapNdx                 = m_nonFullHeaps[nonFullHeapNdx];
 377                 Heap&                           heap                    = m_heaps[heapNdx];
 378                 const MemoryType&       memoryType              = m_rng.choose<MemoryType>(heap.types.begin(), heap.types.end());
 379                 const VkDeviceSize      allocationSize  = 1 + (m_rng.getUint64() % (deUint64)(heap.maxMemoryUsage - heap.memoryUsage));
 380
 381                 const MemoryObject object =
 382                 {
 383                         (VkDeviceMemory)0,
 384                         allocationSize
 385                 };
 386
 387                 heap.objects.push_back(object);
 388
 389                 const VkMemoryAllocateInfo alloc =
 390                 {
 391                         VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, // sType
 392                         DE_NULL,                                                                // pNext
 393                         object.size,                                                    // allocationSize
 394                         memoryType.index                                                // memoryTypeIndex;
 395                 };
 396
 397                 VK_CHECK(vkd.allocateMemory(device, &alloc, (const VkAllocationCallbacks*)DE_NULL, &heap.objects.back().memory));
 398                 TCU_CHECK(!!heap.objects.back().memory);
 399
 400                 // If heap was empty add to the non empty heaps.
 401                 if (heap.memoryUsage == 0)
 402                 {
 403                         DE_ASSERT(heap.objects.size() == 1);
 404                         m_nonEmptyHeaps.push_back(heapNdx);
 405                 }
 406                 else
 407                         DE_ASSERT(heap.objects.size() > 1);
 408
 409                 heap.memoryUsage += allocationSize;
 410
 411                 // If heap became full, remove from non full heaps.
 412                 if (heap.memoryUsage >= heap.maxMemoryUsage)
 413                 {
 414                         m_nonFullHeaps[nonFullHeapNdx] = m_nonFullHeaps.back();
 415                         m_nonFullHeaps.pop_back();
 416                 }
 417         }
 418         else
 419         {
 420                 const size_t            nonEmptyHeapNdx = (size_t)(m_rng.getUint32() % (deUint32)m_nonEmptyHeaps.size());
 421                 const size_t            heapNdx                 = m_nonEmptyHeaps[nonEmptyHeapNdx];
 422                 Heap&                           heap                    = m_heaps[heapNdx];
 423                 const size_t            memoryObjectNdx = m_rng.getUint32() % heap.objects.size();
 424                 MemoryObject&           memoryObject    = heap.objects[memoryObjectNdx];
 425
 426                 vkd.freeMemory(device, memoryObject.memory, (const VkAllocationCallbacks*)DE_NULL);
 427                 memoryObject.memory = (VkDeviceMemory)0;
 428
 429                 if (heap.memoryUsage >= heap.maxMemoryUsage && heap.memoryUsage - memoryObject.size < heap.maxMemoryUsage)
 430                         m_nonFullHeaps.push_back(heapNdx);
 431
 432                 heap.memoryUsage -= memoryObject.size;
 433
 434                 heap.objects[memoryObjectNdx] = heap.objects.back();
 435                 heap.objects.pop_back();
 436
 437                 if (heap.memoryUsage == 0)
 438                 {
 439                         DE_ASSERT(heap.objects.empty());
 440
 441                         m_nonEmptyHeaps[nonEmptyHeapNdx] = m_nonEmptyHeaps.back();
 442                         m_nonEmptyHeaps.pop_back();
 443                 }
 444                 else
 445                         DE_ASSERT(!heap.objects.empty());
 446         }
 447
 448         m_opNdx++;
 449         return tcu::TestStatus::incomplete();
 450 }
 451
 452
 453 } // anonymous
 454
 455 tcu::TestCaseGroup* createAllocationTests (tcu::TestContext& testCtx)
 456 {
 457         de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "allocation", "Memory allocation tests."));
 458
 459         const VkDeviceSize      KiB     = 1024;
 460         const VkDeviceSize      MiB     = 1024 * KiB;
 461
 462         const struct
 463         {
 464                 const char* const       str;
 465                 VkDeviceSize            size;
 466         } allocationSizes[] =
 467         {
 468                 {   "64", 64 },
 469                 {  "128", 128 },
 470                 {  "256", 256 },
 471                 {  "512", 512 },
 472                 { "1KiB", 1*KiB },
 473                 { "4KiB", 4*KiB },
 474                 { "8KiB", 8*KiB },
 475                 { "1MiB", 1*MiB }
 476         };
 477
 478         const float allocationPercents[] =
 479         {
 480                 0.01f
 481         };
 482
 483         const int allocationCounts[] =
 484         {
 485                 1, 10, 100, 1000, -1
 486         };
 487
 488         const struct
 489         {
 490                 const char* const               str;
 491                 const TestConfig::Order order;
 492         } orders[] =
 493         {
 494                 { "forward",    TestConfig::ALLOC_FREE },
 495                 { "reverse",    TestConfig::ALLOC_REVERSE_FREE },
 496                 { "mixed",              TestConfig::MIXED_ALLOC_FREE }
 497         };
 498
 499         {
 500                 de::MovePtr<tcu::TestCaseGroup> basicGroup      (new tcu::TestCaseGroup(testCtx, "basic", "Basic memory allocation and free tests"));
 501
 502                 for (size_t allocationSizeNdx = 0; allocationSizeNdx < DE_LENGTH_OF_ARRAY(allocationSizes); allocationSizeNdx++)
 503                 {
 504                         const VkDeviceSize                              allocationSize          = allocationSizes[allocationSizeNdx].size;
 505                         const char* const                               allocationSizeName      = allocationSizes[allocationSizeNdx].str;
 506                         de::MovePtr<tcu::TestCaseGroup> sizeGroup                       (new tcu::TestCaseGroup(testCtx, ("size_" + string(allocationSizeName)).c_str(), ("Test different allocation sizes " + de::toString(allocationSize)).c_str()));
 507
 508                         for (size_t orderNdx = 0; orderNdx < DE_LENGTH_OF_ARRAY(orders); orderNdx++)
 509                         {
 510                                 const TestConfig::Order                 order                           = orders[orderNdx].order;
 511                                 const char* const                               orderName                       = orders[orderNdx].str;
 512                                 const char* const                               orderDescription        = orderName;
 513                                 de::MovePtr<tcu::TestCaseGroup> orderGroup                      (new tcu::TestCaseGroup(testCtx, orderName, orderDescription));
 514
 515                                 for (size_t allocationCountNdx = 0; allocationCountNdx < DE_LENGTH_OF_ARRAY(allocationCounts); allocationCountNdx++)
 516                                 {
 517                                         const int allocationCount = allocationCounts[allocationCountNdx];
 518
 519                                         if (allocationCount != -1 && allocationCount * allocationSize > 50 * MiB)
 520                                                 continue;
 521
 522                                         TestConfig config;
 523
 524                                         config.memorySize                               = allocationSize;
 525                                         config.order                                    = order;
 526
 527                                         if (allocationCount == -1)
 528                                         {
 529                                                 if (allocationSize < 4096)
 530                                                         continue;
 531
 532                                                 config.memoryAllocationCount    = (deUint32)(50 * MiB / allocationSize);
 533
 534                                                 if (config.memoryAllocationCount == 0
 535                                                         || config.memoryAllocationCount == 1
 536                                                         || config.memoryAllocationCount == 10
 537                                                         || config.memoryAllocationCount == 100
 538                                                         || config.memoryAllocationCount == 1000)
 539                                                 continue;
 540                                         }
 541                                         else
 542                                                 config.memoryAllocationCount    = allocationCount;
 543
 544                                         orderGroup->addChild(new InstanceFactory1<AllocateFreeTestInstance, TestConfig>(testCtx, tcu::NODETYPE_SELF_VALIDATE, "count_" + de::toString(config.memoryAllocationCount), "", config));
 545                                 }
 546
 547                                 sizeGroup->addChild(orderGroup.release());
 548                         }
 549
 550                         basicGroup->addChild(sizeGroup.release());
 551                 }
 552
 553                 for (size_t allocationPercentNdx = 0; allocationPercentNdx < DE_LENGTH_OF_ARRAY(allocationPercents); allocationPercentNdx++)
 554                 {
 555                         const float                                             allocationPercent       = allocationPercents[allocationPercentNdx];
 556                         de::MovePtr<tcu::TestCaseGroup> percentGroup            (new tcu::TestCaseGroup(testCtx, ("percent_" + de::toString((int)(100.0f * allocationPercent))).c_str(), ("Test different allocation percents " + de::toString(allocationPercent * 100.0f)).c_str()));
 557
 558                         for (size_t orderNdx = 0; orderNdx < DE_LENGTH_OF_ARRAY(orders); orderNdx++)
 559                         {
 560                                 const TestConfig::Order                 order                           = orders[orderNdx].order;
 561                                 const char* const                               orderName                       = orders[orderNdx].str;
 562                                 const char* const                               orderDescription        = orderName;
 563                                 de::MovePtr<tcu::TestCaseGroup> orderGroup                      (new tcu::TestCaseGroup(testCtx, orderName, orderDescription));
 564
 565                                 for (size_t allocationCountNdx = 0; allocationCountNdx < DE_LENGTH_OF_ARRAY(allocationCounts); allocationCountNdx++)
 566                                 {
 567                                         const int allocationCount = allocationCounts[allocationCountNdx];
 568
 569                                         if ((allocationCount != -1) && ((float)allocationCount * allocationPercent >= 1.00f / 8.00f))
 570                                                 continue;
 571
 572                                         TestConfig config;
 573
 574                                         config.memoryPercentage                 = allocationPercent;
 575                                         config.order                                    = order;
 576
 577                                         if (allocationCount == -1)
 578                                         {
 579                                                 config.memoryAllocationCount    = (int)((1.00f / 8.00f) / allocationPercent);
 580
 581                                                 if (config.memoryAllocationCount == 0
 582                                                         || config.memoryAllocationCount == 1
 583                                                         || config.memoryAllocationCount == 10
 584                                                         || config.memoryAllocationCount == 100
 585                                                         || config.memoryAllocationCount == 1000)
 586                                                 continue;
 587                                         }
 588                                         else
 589                                                 config.memoryAllocationCount    = allocationCount;
 590
 591                                         orderGroup->addChild(new InstanceFactory1<AllocateFreeTestInstance, TestConfig>(testCtx, tcu::NODETYPE_SELF_VALIDATE, "count_" + de::toString(config.memoryAllocationCount), "", config));
 592                                 }
 593
 594                                 percentGroup->addChild(orderGroup.release());
 595                         }
 596
 597                         basicGroup->addChild(percentGroup.release());
 598                 }
 599
 600                 group->addChild(basicGroup.release());
 601         }
 602
 603         {
 604                 const deUint32                                  caseCount       = 100;
 605                 de::MovePtr<tcu::TestCaseGroup> randomGroup     (new tcu::TestCaseGroup(testCtx, "random", "Random memory allocation tests."));
 606
 607                 for (deUint32 caseNdx = 0; caseNdx < caseCount; caseNdx++)
 608                 {
 609                         const deUint32 seed = deInt32Hash(caseNdx ^ 32480);
 610
 611                         randomGroup->addChild(new InstanceFactory1<RandomAllocFreeTestInstance, deUint32>(testCtx, tcu::NODETYPE_SELF_VALIDATE, de::toString(caseNdx), "Random case", seed));
 612                 }
 613
 614                 group->addChild(randomGroup.release());
 615         }
 616
 617         return group.release();
 618 }
 619
 620 } // memory
 621 } // vkt