Packages with the openmp use flag

Global definition: Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp".

app-arch / par2cmdline : A PAR-2.0 file verification and repair tool

app-crypt / johntheripper : fast password cracker

app-crypt / johntheripper-jumbo : fast password cracker

app-crypt / libb2 : C library providing BLAKE2b, BLAKE2s, BLAKE2bp, BLAKE2sp

app-portage / hashgen : Manifest generation and verification tool written in C

app-portage / portage-utils : Small and fast Portage helper tools written in C

app-text / pdf2djvu : A tool to create DjVu files from PDF files

app-text / tesseract : An OCR Engine, orginally developed at HP, now open source.

dev-cpp / eigen : C++ template library for linear algebra

dev-games / simgear : Development library for simulation games

dev-lang / R : Language and environment for statistical computing and graphics

dev-lang / gdl : GNU Data Language

dev-lang / gnat-gpl : GNAT Ada Compiler - GPL version

dev-libs / libdivsufsort : Suffix-sorting library (for BWT)

dev-python / astroscrappy : Optimized cosmic ray annihilation astropy python module

dev-python / graph-tool : An efficient python module for manipulation and statistical analysis of graphs

games-simulation / flightgear : Open Source Flight Simulator

games-strategy / liquidwar6 : Unique multiplayer wargame between liquids

games-strategy / wesnoth : Battle for Wesnoth - A fantasy turn-based strategy game

media-gfx / blender : 3D Creation/Animation/Publishing System

media-gfx / darktable : A virtual lighttable and darkroom for photographers

media-gfx / digikam : Digital photo management application

media-gfx / enblend : Image Blending with Multiresolution Splines

media-gfx / gmic : GREYC's Magic Image Converter

media-gfx / graphicsmagick : Collection of tools and libraries for many image formats

media-gfx / imagemagick : A collection of tools and libraries for many image formats

media-gfx / inkscape : SVG based generic vector-drawing program

media-gfx / libimagequant : Palette quantization library that powers pngquant and other PNG optimizers

media-gfx / luminance-hdr : Graphical user interface that provides a workflow for HDR imaging

media-gfx / pngquant : command-line utility and library for lossy compression of PNG images

media-gfx / rawtherapee : A powerful cross-platform raw image processing program

media-gfx / ufraw : RAW Image format viewer and GIMP plugin

media-libs / freeverb3 : Reverb and Impulse Response Convolution plug-ins (Audacious/JACK)

media-libs / libmypaint : Library for making brushstrokes

media-libs / libprojectm : A graphical music visualization plugin similar to milkdrop

media-libs / libraw : LibRaw is a library for reading RAW files obtained from digital photo cameras

media-libs / libsoundtouch : Audio processing library for changing tempo, pitch and playback rates

media-libs / opencv : A collection of algorithms and sample code for various computer vision problems

media-libs / opensubdiv : An Open-Source subdivision surface library

media-libs / vidstab : Video stabilization library

media-plugins / gimp-lensfun : A Gimp plugin to correct lens distortions

media-sound / csound : Sound design and signal processing system for composition and performance

media-sound / sox : The swiss army knife of sound processing programs

sci-astronomy / casacore : Core libraries for the Common Astronomy Software Applications

sci-astronomy / healpix : Hierarchical Equal Area isoLatitude Pixelization of a sphere

sci-biology / abyss : Assembly By Short Sequences - a de novo, parallel, paired-end sequence assembler

sci-biology / cd-hit : Clustering Database at High Identity with Tolerance

sci-biology / fasttree : Fast inference of approximately-maximum-likelihood phylogenetic trees

sci-biology / vaal : Algorithm for detecting SNPs, indels, and other polymorphisms

sci-biology / velvet : A sequence assembler for very short reads

sci-biology / vienna-rna : RNA secondary structure prediction and comparison

sci-chemistry / apbs : Evaluation of electrostatic properties of nanoscale biomolecular systems

sci-chemistry / autodock : A suite of automated docking tools

sci-chemistry / cns : Crystallography and NMR System

sci-chemistry / coot : Crystallographic Object-Oriented Toolkit

sci-chemistry / gabedit : GUI for computational chemistry packages

sci-chemistry / gromacs : The ultimate molecular dynamics simulation package

sci-chemistry / openbabel : Interconverts file formats used in molecular modeling

sci-electronics / kicad : Electronic Schematic and PCB design tools

sci-electronics / ngspice : The Next Generation Spice (Electronic Circuit Simulator)

sci-geosciences / grass : A free GIS with raster and vector functionality, as well as 3D vizualization

sci-libs / cctbx : Computational Crystallography Toolbox

sci-libs / ceres-solver : Nonlinear least-squares minimizer

sci-libs / coinor-csdp : COIN-OR C Library for Semi-Definite Programming

sci-libs / colpack : C++ algorithms for specialized vertex coloring problems

sci-libs / dmlc-core : Common bricks library for building distributed machine learning.

sci-libs / fftw : Fast C library for the Discrete Fourier Transform

sci-libs / flann : Fast approximate nearest neighbor searches in high dimensional spaces

sci-libs / grib_api : Library for encoding and decoding WMO FM-92 GRIB messages

sci-libs / hypre : Parallel matrix preconditioners library

sci-libs / libsc : Support for parallel scientific applications

sci-libs / libsvm : Library for Support Vector Machines

sci-libs / lis : Library of Iterative Solvers for Linear Systems

sci-libs / mathgl : Math Graphics Library

sci-libs / metis : A package for unstructured serial graph partitioning

sci-libs / minuit : A C++ physics analysis tool for function minimization

sci-libs / nfft : library for nonequispaced discrete Fourier transformations

sci-libs / o2scl : Object-oriented Scientific Computing Library

sci-libs / oce : Development platform for CAD/CAE, 3D surface/solid modeling and data exchange

sci-libs / p4est : Scalable Algorithms for Parallel Adaptive Mesh Refinement on Forests of Octrees

sci-libs / parmetis : Parallel (MPI) unstructured graph partitioning library

sci-libs / sundials : Suite of nonlinear solvers

sci-libs / superlu_mt : Multithreaded sparse LU factorization library

sci-libs / symengine : Fast symbolic manipulation library, written in C++

sci-libs / xkaapi : Kernel for Adaptative, Asynchronous Parallel and Interactive programming

sci-mathematics / gmp-ecm : Elliptic Curve Method for Integer Factorization

sci-mathematics / gretl : Regression, econometrics and time-series library

sci-mathematics / normaliz : Tool for computations in affine monoids and more

sci-mathematics / z3 : An efficient theorem prover

sci-misc / nco : Command line utilities for operating on netCDF files

sci-physics / qutip : Simulating dynamics of open quantum systems in Python.

sci-visualization / paraview : Powerful scientific data visualization application

sys-cluster / ucx : Unified Communication X

sys-devel / clang-runtime : Meta-ebuild for clang runtime libraries

  • Install sys-libs/libomp for -fopenmp support

sys-devel / gcc : The GNU Compiler Collection

sys-devel / gcc-apple : Apple branch of the GNU Compiler Collection, Developer Tools 4.0

sys-devel / gettext : GNU locale utilities

virtual / fortran : Virtual for Fortran Compiler