28 #ifndef itkMultiThreaderBase_h
29 #define itkMultiThreaderBase_h
84 extern ITKCommon_EXPORT std::ostream &
86 extern ITKCommon_EXPORT std::ostream &
103 struct MultiThreaderBaseGlobals;
128 SetMaximumNumberOfThreads(
ThreadIdType numberOfThreads);
141 SetUpdateProgress(
bool updates);
142 itkGetConstMacro(UpdateProgress,
bool);
152 GetGlobalMaximumNumberOfThreads();
160 itkLegacyMacro(
static void SetGlobalDefaultUseThreadPool(
const bool GlobalDefaultUseThreadPool));
161 itkLegacyMacro(
static bool GetGlobalDefaultUseThreadPool());
165 #if !defined(ITK_LEGACY_REMOVE)
167 static constexpr
ThreaderEnum Platform = ThreaderEnum::Platform;
168 static constexpr
ThreaderEnum First = ThreaderEnum::First;
169 static constexpr
ThreaderEnum Pool = ThreaderEnum::Pool;
171 static constexpr
ThreaderEnum Last = ThreaderEnum::Last;
172 static constexpr
ThreaderEnum Unknown = ThreaderEnum::Unknown;
177 ThreaderTypeFromString(std::string threaderString);
185 case ThreaderEnum::Platform:
187 case ThreaderEnum::Pool:
189 case ThreaderEnum::TBB:
191 case ThreaderEnum::Unknown:
210 SetGlobalDefaultThreader(ThreaderEnum threaderType);
212 GetGlobalDefaultThreader();
222 GetGlobalDefaultNumberOfThreads();
225 #if !defined(ITK_LEGACY_REMOVE)
228 itkLegacyMacro(
virtual void SetNumberOfThreads(
ThreadIdType numberOfThreads))
230 this->SetMaximumNumberOfThreads(numberOfThreads);
231 this->SetNumberOfWorkUnits(this->GetMaximumNumberOfThreads());
233 itkLegacyMacro(
virtual ThreadIdType GetNumberOfThreads()) {
return this->GetNumberOfWorkUnits(); }
245 ITK_GCC_PRAGMA_DIAG_PUSH()
246 ITK_GCC_PRAGMA_DIAG(ignored "-Wattributes")
247 INTEL_PRAGMA_WARN_PUSH
248 INTEL_SUPPRESS_warning_1292
250 # ifdef ITK_LEGACY_SILENT
251 struct ThreadInfoStruct
253 struct [[deprecated("Use WorkUnitInfo, ThreadInfoStruct is deprecated since ITK 5.0")]] ThreadInfoStruct
256 INTEL_PRAGMA_WARN_POP
267 ITK_PROCESS_ABORTED_EXCEPTION,
273 ITK_GCC_PRAGMA_DIAG_POP()
275 #endif // ITK_LEGACY_REMOVE
292 #if !defined(ITK_LEGACY_REMOVE)
295 static constexpr
ThreadExitCodeEnum ITK_EXCEPTION = ThreadExitCodeEnum::ITK_EXCEPTION;
297 ThreadExitCodeEnum::ITK_PROCESS_ABORTED_EXCEPTION;
298 static constexpr
ThreadExitCodeEnum STD_EXCEPTION = ThreadExitCodeEnum::STD_EXCEPTION;
309 SingleMethodExecute() = 0;
322 #ifndef ITK_FUTURE_LEGACY_REMOVE
325 template <
unsigned int VDimension>
348 template <
unsigned int VDimension,
typename TFunction>
349 ITK_TEMPLATE_EXPORT
void
352 this->ParallelizeImageRegion(
358 for (
unsigned int d = 0; d < VDimension; ++d)
372 template <
unsigned int VDimension,
typename TFunction>
373 ITK_TEMPLATE_EXPORT
void
379 if constexpr (VDimension <= 1)
383 funcP(requestedRegion);
387 constexpr
unsigned int SplitDimension = VDimension - 1;
391 for (
unsigned int splitDimension = 0, dimension = 0; dimension < VDimension; ++dimension)
393 if (dimension != restrictedDirection)
395 splitIndex[splitDimension] = requestedRegion.
GetIndex(dimension);
396 splitSize[splitDimension] = requestedRegion.
GetSize(dimension);
401 this->ParallelizeImageRegion(
403 splitIndex.m_InternalArray,
404 splitSize.m_InternalArray,
406 ImageRegion<VDimension> restrictedRequestedRegion;
407 restrictedRequestedRegion.SetIndex(restrictedDirection, requestedRegion.GetIndex(restrictedDirection));
408 restrictedRequestedRegion.SetSize(restrictedDirection, requestedRegion.GetSize(restrictedDirection));
409 for (unsigned int splitDimension = 0, dimension = 0; dimension < VDimension; ++dimension)
411 if (dimension != restrictedDirection)
413 restrictedRequestedRegion.SetIndex(dimension, index[splitDimension]);
414 restrictedRequestedRegion.SetSize(dimension, size[splitDimension]);
418 funcP(restrictedRequestedRegion);
427 ParallelizeImageRegion(
unsigned int dimension,
430 ThreadingFunctorType funcP,
435 ~MultiThreaderBase()
override;
437 PrintSelf(std::ostream & os, Indent indent)
const override;
448 ParallelizeArrayHelper(
void * arg);
460 ParallelizeImageRegionHelper(
void * arg);
482 SingleMethodProxy(
void * arg);
488 void * m_SingleData{
nullptr };
492 SetGlobalDefaultThreaderPrivate(ThreaderEnum threaderType);
494 GetGlobalDefaultThreaderPrivate();
499 std::atomic<bool> m_UpdateProgress{
true };
509 GetGlobalDefaultNumberOfThreadsByPlatform();