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Open standard for parallelizing
OpenMP is an application programming interface (API) that supports multi-platform shared-memory multiprocessing programming in C, C++, and Fortran, on
OpenMP
Programming standard for parallel computing
worked as members of the OpenMP standard group to merge into OpenMP specification to create a common specification which extends OpenMP to support accelerators
OpenACC
Higher-level programming standard for heterogeneous computing
transfers and synchronization. Both OpenMP and SYCL support C++ and are standardized. OpenMP is standardized by the OpenMP Architecture Review Board (ARB)
SYCL
Connection between computers or programs
general-purpose computing for CPUs & GPUs OpenGL cross-platform graphics API OpenMP API that supports multi-platform shared memory multiprocessing programming
API
Compiler
environments, and supports threading via Intel oneAPI Threading Building Blocks, OpenMP, and native threads. DPC++ builds on the SYCL specification from The Khronos
Intel_C++_Compiler
Low-level parallel thread execution virtual machine and instruction set architecture
SYCL C++ or OpenACC or OpenMP directives. The GNU Compiler Collection also generates PTX to offload given OpenACC or OpenMP directives. The collection
Parallel_Thread_Execution
Message-passing system for parallel computers
passing. Threaded shared-memory programming models (such as Pthreads and OpenMP) and message-passing programming (MPI/PVM) can be considered complementary
Message_Passing_Interface
Tool to convert sequential code to parallel
multi-threaded parallel code using POSIX Threads (pthreads) functions and OpenMP constructs. The YUCCA tool does task- and loop-level parallelizing. Par4All
Automatic parallelization tool
Automatic_parallelization_tool
Component of a computer process
(September 2022). "Enhancing MPI+OpenMP Task Based Applications for Heterogeneous Architectures with GPU support" (PDF). OpenMP in a Modern World: From Multi-device
Thread_(computing)
Type of parallel processing
manipulating SIMD variables directly, but is easier to use. OpenMP 4.0+ has a #pragma omp simd hint. This OpenMP interface has replaced a wide set of nonstandard
Single instruction, multiple data
Single_instruction,_multiple_data
Group of Fortran compilers
through the 2018 standard, full OpenMP* 4.5, and Initial Open MP 5.1 for CPU only. The 2021 beta compiler focuses on OpenMP for GPU Offload. When used with
Intel_Fortran_Compiler
Fortran compiler
implemented Fortran 2008, and about 50% of Fortran 2018. It supports the OpenMP multi-platform shared memory multiprocessing, up to its latest version (4
GNU_Fortran
Compiler front-end
languages C, C++, Objective-C, Objective-C++, and the software frameworks OpenMP, OpenCL, RenderScript, CUDA, SYCL, and HIP. It acts as a drop-in replacement
Clang
Integrated development environment by Microsoft
expose the SSE instruction set of modern CPUs. Visual C++ also includes the OpenMP (version 2.0) specification. Microsoft Visual C# Microsoft Visual C#, Microsoft's
Visual_Studio
General-purpose programming language
incorporated into the main standards. The major remaining extension is OpenMP, which is a cross-platform extension for shared memory programming. One
Fortran
Computing technique used to achieve parallelism
implemented in the current standard interface for shared memory multiprocessing, OpenMP, which uses multithreading, usually implemented by lightweight processes
Single_program,_multiple_data
Parallelization across multiple processors in parallel computing environments
Parallelization of the matrix multiplication code is achieved by using OpenMP. An OpenMP directive, "omp parallel for" instructs the compiler to execute the
Data_parallelism
Series of x86 manycore processors from Intel
programming languages and application programming interfaces (APIs) such as OpenMP. Xeon Phi launched in 2010. Since it was originally based on an earlier
Xeon_Phi
Parallel computing platform and programming model
programming. CUDA-powered GPUs also support programming frameworks such as OpenMP, OpenACC and OpenCL. The graphics processing unit (GPU), as a specialized
CUDA
American computer company, 1982–2010
project. Sun was a participant in the OpenMP language committee. Sun Studio compilers and tools implemented the OpenMP specification for shared memory parallelization
Sun_Microsystems
Parallel computing platform: GPGPU libraries and application programming interface
offers several programming models: HIP (GPU-kernel-based programming), OpenMP (directive-based programming), and OpenCL. ROCm is free, libre and open-source
ROCm
Type of extremely powerful computer
scenario, environments such as PVM and MPI for loosely connected clusters and OpenMP for tightly coordinated shared memory machines are used. Significant effort
Supercomputer
Software that translates code from one programming language to another
transform the code and annotate it with parallel code annotations (e.g. OpenMP) or language constructs (e.g. Fortran's DOALL statements). Other terms for
Compiler
Integrated development environment
replacement Strength reduction Automatic vectorization, with -xvector=simd The OpenMP shared memory parallelization API is native to all three compilers. Tcov
Oracle_Developer_Studio
Topics referred to by the same term
Model Parliament, a model parliament for high school students in Canada OpenMP, an application programming interface Oregon Mozart Players, a professional
OMP
State of matter
1016/j.cpc.2012.03.022. S2CID 12031850. L. E. Young-S.; et al. (2016). "OpenMP Fortran and C Programs for the time-dependent Gross-Pitaevskii equation
Bose–Einstein_condensate
Programming paradigm based on block-based control flow
environments focused on parallel computing, such as OpenMP. The various parallel constructs from OpenMP, like parallel do, do not allow early exit from inside
Structured_programming
Programming language
discontinued it, recommending its users switch to instead using either OpenMP or Intel's own TBB library for their parallel programming needs. In the
Cilk
Free and open-source compiler for various programming languages
Fortran, Ada, Go, D, Modula-2, Rust, COBOL, and ALGOL 68 among others. The OpenMP and OpenACC specifications are also supported in the C and C++ compilers
GNU_Compiler_Collection
Unified Parallel C (UPC)), C++ (C++98, C++11), Fortran (77, 95, 2003), OpenMP, Java, Python, and PHP. It also supports certain binary files, and auto-parallelizing
ROSE_(compiler_framework)
Compiler backend for multiple programming languages
environments (IDEs) and has wider support for multithreading. Support for OpenMP directives has been included in Clang since release 3.8. Widespread interest
LLVM
American computer scientist
Fortran FORD FUnit GDB High Performance Fortran Make MPI Fortran bindings OpenMP pFUnit ScaLAPACK Spack SQuORE Understand Valgrind VTune Profiler See also
John_Backus
Tabular comparison of deep learning software
Initial release Software license Open source Platform Written in Interface OpenMP support OpenCL support CUDA support ROCm support Automatic differentiation
Comparison of deep learning software
Comparison_of_deep_learning_software
Vector quantization algorithm minimizing the sum of squared deviations
multi-core processors, GPUs, and distributed clusters. Shared Memory Model (OpenMP): This approach divides the work between CPU threads for the reassignment
K-means_clustering
Programming paradigm for improving clarity and development time of a computer program
fork–join model from the 1960s, embodied by multiprocessing tools like OpenMP, is an early example of a system ensuring all threads have completed before
Structured_concurrency
Set of computers configured in a distributed computing system
Charm++ Cilk Coarray Fortran CUDA Dryad C++ AMP Global Arrays GPUOpen MPI OpenMP OpenCL OpenHMPP OpenACC Parallel Extensions PVM pthreads RaftLib ROCm UPC
Computer_cluster
Programming paradigm in which many processes are executed simultaneously
memory variables. Distributed memory uses message passing. POSIX Threads and OpenMP are two of the most widely used shared memory APIs, whereas Message Passing
Parallel_computing
Data processing chain
computing see Quinn, Michael J. (2004). Parallel Programming in C with MPI and openMP. Dubuque, Iowa: McGraw-Hill Professional. ISBN 0072822562. Pogonyi, Roland
Pipeline_(computing)
code and memory serial and parallel debugger C++, C, CUDA, FORTRAN, MPI, OpenMP Linux, AIX, Solaris, OS X, Cray, Blue Gene Yes (Memory debugger) Yes Proprietary
Comparison_of_debuggers
Way of setting up and executing parallel computer programs
Fork–join is the main model of parallel execution in the OpenMP framework, although OpenMP implementations may or may not support nesting of parallel
Fork–join_model
multithreading Using OpenMP, RAJA, or OCCA backends Threading Build Blocks threadsafe, some modules threaded and vectorized. Yes OpenMP: Yes Yes Yes Yes (vectorization
List of finite element software packages
List_of_finite_element_software_packages
American supercomputer manufacturer
2019, Cray announced that it was deprecating OpenACC, and will support OpenMP. However, in 2022, the Cray Fortran compiler still supported OpenACC, in
Cray
Software packages using DDA
also handle periodic particles and efficiently calculate near fields. Uses OpenMP acceleration. DDscat.C++ Choliy C++ 2017 (v. 7.3.1) Version of DDSCAT translated
Discrete dipole approximation codes
Discrete_dipole_approximation_codes
Translator of computer source code
transform the code and annotate it with parallel code annotations (e.g., OpenMP) or language constructs (e.g. Fortran's forall statements). Another purpose
Source-to-source_compiler
Formula in computer architecture
Bakos, Jason D. (ed.), "Chapter 2 - Multicore and data-level optimization: OpenMP and SIMD", Embedded Systems, Boston: Morgan Kaufmann, pp. 49–103, doi:10
Amdahl's_law
American research center, 1985–1995
had SGI as a customer and they joined the effort to form the OpenMP consortium – the OpenMP Architecture Review Board incorporated in 1997 with a growing
University of Illinois Center for Supercomputing Research and Development
University_of_Illinois_Center_for_Supercomputing_Research_and_Development
Synchronization method in parallel computing
impose implicit barriers. For example, a parallel do loop in Fortran with OpenMP will not be allowed to continue on any thread until the last iteration is
Barrier_(computer_science)
Execution model which allows for parallel computing
built directly on the operating system syscall interface. Runtime system OpenMP Cilk/Cilk Plus Threading Building Blocks (TBB) Native POSIX Thread Library
Pthreads
Python module
Boost Graph Library. Many algorithms are implemented in parallel using OpenMP, which provides increased performance on multi-core architectures. Creation
Graph-tool
Parallel programming model
thin OpenMP abstraction layer such that the support of multi-core architectures can be switched on/off by simply providing/omitting the OpenMP compiler
Algorithmic_skeleton
Computer scientist
parallel programming languages and compilers, including the development of OpenMP and OpenACC. Originally from New Zealand, she was educated in New Zealand
Barbara_Chapman
Ability to execute a task in a non-serial manner
language) Gordon Pask International Conference on Concurrency Theory (CONCUR) OpenMP Parallel computing Partitioned global address space Pony (programming language)
Concurrency (computer science)
Concurrency_(computer_science)
Optimizing C/C++ and Fortran compiler suite
2019 9.0 2.2.0 June 2020 10.0 2.3.0 December 2020 11.0 Introduction of OpenMP debugger 3.0.0 March 2021 12.0 Support for 3rd generation Zen CPUs 3.1.0
AMD_Optimizing_C/C++_Compiler
Abstraction of parallel computer architecture
which many parallel programming languages and libraries, such as Cilk, OpenMP and Threading Building Blocks, are designed to exploit. In a message-passing
Parallel_programming_model
Supercomputer platform
retrofit more RAM. Software includes Fedora Core 5 Linux ppc64, MPICH2, OpenMP v2.5, GNU Compiler Collection, and CellSDK 1.1. In mid-2007, Gaurav Khanna
PlayStation_3_cluster
librsb provides cache efficient multi-threaded Sparse BLAS operations via OpenMP, and is best suited to large sparse matrices. librsb provides: Conversion
Librsb
List of main shared-libraries of Microsoft Windows
Basic.NET programs require .NET Framework instead) VCOMP*.DLL – Microsoft OpenMP runtime VCRUNTIME*.DLL – Microsoft Visual C++ Runtime, for MSVC 14.0+ MSVCIRT
Microsoft Windows library files
Microsoft_Windows_library_files
American software company
support is controlled by the user and includes five optimization levels, OpenMP, Speed Math levels 0 through 9, and other advanced capabilities. On September
Absoft
debugging parallel Message Passing Interface (MPI) and threaded (pthread or OpenMP) programs, including those running on clusters of Linux machines. It is
Arm_DDT
Applying operations to whole sets of values simultaneously
heuristics determine would benefit from it. Another approach is given by the OpenMP API, which allows one to parallelize applicable sections of code by taking
Array_programming
wait_for_all(thread[0], thread[1], thread[2]); sum = sum[0] + sum[1] + sum[2]; OpenMP is a programming language that supports multiprocessor programming with
Privatization (computer programming)
Privatization_(computer_programming)
Software library for similarity search
distance, etc.) is also available. FAISS code supports multithreading via OpenMP, utilizes BLAS via OpenBLAS or Intel MKL, and also uses custom SIMD kernels
FAISS
Microprocessor with more than one processing unit
directly. Some existing parallel programming models such as Cilk Plus, OpenMP, OpenHMPP, FastFlow, Skandium, MPI, and Erlang can be used on multi-core
Multi-core_processor
Ada software and development tools
scheduling. ARINC 653 Ada profiles — for avionics real-time applications OpenMP Ada bindings — parallel programming for multi-core embedded systems Ravenscar
List of Ada software and tools
List_of_Ada_software_and_tools
Synchronization mechanism for enforcing limits on access to a resource
in header <threads.h>, with various mutex-manipulating functions. The OpenMP standard is supported by some compilers, and allows critical sections to
Lock_(computer_science)
Multi-core microprocessor microarchitecture
the original on January 10, 2009. Retrieved June 10, 2008. "Supporting OpenMP on Cell" (PDF). IBM T. J Watson Research. Archived from the original (PDF)
Cell_(processor)
When a system's behavior depends on timing of uncontrollable events
race detection tools that analyze multi-threaded applications written in OpenMP. Race conditions are a common concern in human-computer interaction design
Race_condition
separation into different node) tested ~10000? tested ~100000? Yes MPI, OpenMP, PVM Yes Yes PBS Pro C/Python OS Authentication, Munge Any, e.g., NFS, Lustre
Comparison of cluster software
Comparison_of_cluster_software
Multi-core processor with a large number of cores
EE Times Barker, J; Bowden, J (2013). "Manycore Parallelism through OpenMP". OpenMP in the Era of Low Power Devices and Accelerators. IWOMP. Lecture Notes
Manycore_processor
One-time cost to develop a new product
“Non-Recurring Engineering (NRE) Best Practices: A Case Study with the NERSC/NVIDIA OpenMP Contract.” In Proceedings of the International Conference for High Performance
Non-recurring_engineering
Integrated development environment
creating Windows Services (needs a separate project template) No support for OpenMP Limited deployment options for finished programs No code folding Visual
Microsoft Visual Studio Express
Microsoft_Visual_Studio_Express
Executing several computations during overlapping time periods
for signal processing, compiler provides automatic parallelization via OpenMP or a specific work-stealing scheduler Fortran–coarrays and do concurrent
Concurrent_computing
Software analysis tool
Microsoft Visual Studio plug-in or command line interface. It supports OpenMP (and usage with MPI). Intel Advisor user interface is also available on
Intel_Advisor
File format for block-based Gzip compression
manual page". www.htslib.org. Retrieved 2025-06-03. Weeks, N. T. (2018). "Openmp task parallelism for faster genomic data processing" (PDF). Reading, decoding
BGZF
Extension of the C programming language
programming paradigm. Cilk Coarray Fortran Chapel X10 High Performance Fortran OpenMP Partitioned global address space Parallel programming model Software transactional
Unified_Parallel_C
Mathematical models representing biological cells
automata 3D https://github.com/CompuCell3D/CompuCell3D Yes Yes C++, Python OpenMP EdgeBased Off-lattice, ODE solvers 2D https://github.com/luckyphill/EdgeBased
Cell-based_models
Performance profiling software
mostly used for profiling scientific and engineering applications using OpenMP and/or MPI. It supports runtime analysis on supercomputers. The application
Scalasca
Numerical calculations carrying along derivatives
about automatic differentiation" Automatic Differentiation of Parallel OpenMP Programs Automatic Differentiation, C++ Templates and Photogrammetry Automatic
Automatic_differentiation
Integrated development environment product
CLI is still available via compiler options, though. It also introduced OpenMP. With Visual C++ 2005, Microsoft also introduced Team Foundation Server
Microsoft_Visual_C++
Open standard for programming heterogenous computing systems, such as CPUs or GPUs
HIP Larrabee Lib Sh List of OpenCL applications OpenACC OpenGL OpenHMPP OpenMP Metal RenderScript SequenceL SIMD SYCL Vulkan WebCL "v3.1.1". May 23, 2026
OpenCL
Use of widely distributed computer resources to reach a common goal
Charm++ Cilk Coarray Fortran CUDA Dryad C++ AMP Global Arrays GPUOpen MPI OpenMP OpenCL OpenHMPP OpenACC Parallel Extensions PVM pthreads RaftLib ROCm UPC
Grid_computing
Computer system that provides behavior needed by running code
exhibited by mutex constructs in Pthreads and parallel section constructs in OpenMP. A runtime system with such parallel execution behaviors may be modularized
Runtime_system
Assignment of a task to a given core of a CPU
the Task Manager interface (for process affinity only). Forcing of each OpenMP thread to distinct logical cores in Windows can be accomplished by means
Processor_affinity
Programming language
programs for multi-core processor machines; this feature makes use of the OpenMP library. PyPy Numba Behnel, Stefan (2008). "The Cython Compiler for C-Extensions
Cython
properties. Additionally, it allows multiprocessing programming by means of OpenMP, in order to increase computer performance. OpenNN contains machine learning
OpenNN
Topics referred to by the same term
GNSS-assisted dead reckoning without external sensors User-Defined Reductions in OpenMP U.D.R., Brazilian comedy rock band Univision Deportes Radio, a Spanish language
UDR
Use of a GPU for computations typically assigned to CPUs
standards for parallel computing include OpenCL (vendor-independent), OpenACC, OpenMP and OpenHMPP. As of 2016[update], OpenCL is the dominant open general-purpose
General-purpose computing on graphics processing units
General-purpose_computing_on_graphics_processing_units
allow simulations in complex geometries and parallel execution using MPI, OpenMP and CUDA on high-performance computers. The source code uses the concepts
OpenLB
Form of parallelization of computer code
2017. Quinn, Michael J. (2007). Parallel programming in C with MPI and openMP (Tata McGraw-Hill ed.). New Delhi: Tata McGraw-Hill Pub. ISBN 978-0070582019
Task_parallelism
Molecular dynamics software program
that supports both single-processor and parallel execution through MPI and OpenMP. GPU acceleration is also available. LAMMPS can be run from an input script
LAMMPS
Class of computer architecture
Chapter 2: Parallel Architectures, Parallel Programming in C with MPI and OpenMP. Boston: McGraw Hill, 2004. ISBN 0-07-282256-2 Ibaroudene, Djaffer. Chapter
Single instruction, single data
Single_instruction,_single_data
Numerical technique
Inria Bordeaux with high emphasis on genericity and parallelization (using OpenMP/MPI). DASHMM DASHMM is a C++ Software library developed at Indiana University
Fast_multipole_method
Specialist field of computer science
problem is either divided over many cores on a single CPU node (such as with OpenMP), divided over many CPU nodes networked together (such as with MPI), or
Computational_science
Computer operating system
0 July 1999 Improved performance/scalability; Hot-swap; Sendmail 8.8.8; OpenMP; Netscape 4.51; X11R6.3 Tru64 UNIX 5.0A April 2000 UFS Delayed metadata
Tru64_UNIX
Language construct that specifies how a compiler should process its input
[...] Steele, Guy L. (1990). Common Lisp the Language. Digital Press. pp. 215–237. ISBN 1-55558-041-6. OpenMP Website OpenACC Website OpenHMPP Website
Directive_(programming)
High-performance computing facility in Pakistan
the work. The 2016 report stated that the system supported CUDA, MPI/LAM, OpenMP, OpenCL and OpenACC programming models and was intended for applications
Pakistan Supercomputing Centre
Pakistan_Supercomputing_Centre
Signal processing algorithm
functionality. Memory requirements depend on the number of OpenMP threads and are managed by OpenMP runtime. In the GPU CUDA implementation, each EMD, is mapped
Multidimensional empirical mode decomposition
Multidimensional_empirical_mode_decomposition
Function whose implementation is handled specially by the compiler
Some application programming interfaces (API), for example, AltiVec and OpenMP, use intrinsic functions to declare, respectively, vectorizable and multiprocessing-aware
Intrinsic_function
Standard Library threading Apache Portable Runtime Boost.Thread Dlib HPX IPP OpenMP OpenThreads Parallel Patterns Library POCO C++ Libraries Threading POSIX
List of C++ multi-threading libraries
List_of_C++_multi-threading_libraries
Real-time, constraint-aware editing. Metaballics effects. Bitmap import. OpenMP 2.0 support. Phyz requires Windows with DirectX 9.0c or later, a display
Phyz
OPENMP
OPENMP
OPENMP
OPENMP
Female
Swedish
 Swedish feminine form of Old Norse Alf, ALVA means "elf." Compare with another form of Alva.
Boy/Male
Indian, Sanskrit
Falcon
Boy/Male
Indian, Punjabi, Sikh
Supreme Soul
Boy/Male
Hindu, Indian
Water
Boy/Male
Hindu
Son of Lord Shiva (Son of Lord Shiva)
Girl/Female
Indian
Blessedness, Beatitude
Surname or Lastname
English (Devon and Cornwall)
English (Devon and Cornwall) : perhaps a variant of Denner.
Girl/Female
Danish, German, Swedish
Bright; Famous
Girl/Female
Muslim
Luck, Flower
Surname or Lastname
English
English : patronymic from Kipp.
OPENMP
OPENMP
OPENMP
OPENMP
OPENMP