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Code Samples of oneAPI Threading Building Blocks (oneTBB)

This directory contains example usages of oneAPI Threading Building Blocks.

Code sample name Description
getting_started/sub_string_finder Example referenced by the oneAPI Threading Building Blocks Get Started Guide. Finds the largest matching substrings.
concurrent_hash_map/count_strings Concurrently inserts strings into a concurrent_hash_map container.
concurrent_priority_queue/shortpath Solves the single source shortest path problem using a concurrent_priority_queue container.
graph/binpack A solution to the binpacking problem using a queue_node, a buffer_node, and function_nodes.
graph/cholesky Several versions of Cholesky Factorization algorithm implementation.
graph/dining_philosophers An implementation of dining philosophers in a graph using the reserving join_node.
graph/fgbzip2 A parallel implementation of bzip2 block-sorting file compressor.
graph/logic_sim An example of a collection of digital logic gates that can be easily composed into larger circuits.
graph/som An example of a Kohonen Self-Organizing Map using cancellation.
parallel_for/game_of_life Game of life overlay.
parallel_for/polygon_overlay Polygon overlay.
parallel_for/seismic Parallel seismic wave simulation.
parallel_for/tachyon Parallel 2-D raytracer/renderer.
parallel_for_each/parallel_preorder Parallel preorder traversal of a graph.
parallel_pipeline/square Another string transformation example that squares numbers read from a file.
parallel_reduce/convex_hull Parallel version of convex hull algorithm (quick hull).
parallel_reduce/pi Parallel version of calculating π by numerical integration.
parallel_reduce/primes Parallel version of the Sieve of Eratosthenes.
task_arena/fractal The example calculates two classical Mandelbrot fractals with different concurrency limits.
task_group/sudoku Compute all solutions for a Sudoku board.
test_all/fibonacci Compute Fibonacci numbers in different ways.

System Requirements

Refer to the System Requirements for the list of supported hardware and software.

Graphical User Interface (GUI)

Some examples (e.g., fractal, seismic, tachyon, polygon_overlay) support different GUI modes, which may be defined via the EXAMPLES_UI_MODE CMake variable. Supported values are:

  • Cross-platform:
    • con - Console mode (Default).
  • Windows* OS:
    • gdi - GDI+ based implementation.
    • d2d - Direct 2D based implementation. May offer superior performance but can only be used if the Microsoft* DirectX* SDK is installed on your system(DXSDK_DIR should be defined).
  • Linux* OS:
    • x - X11 based implementation. Also libXext may be required to display the output correctly.
  • macOS*:
    • mac - OpenGL based implementation. Also requires the Foundation and Cocoa libraries availability.