Seismic sample

Parallel seismic wave simulation that demonstrates use of parallel_for and affinity_partitioner.

Building the example

cmake <path_to_example> [EXAMPLES_UI_MODE=value]
cmake --build .

Predefined CMake variables

• EXAMPLES_UI_MODE - defines the GUI mode, supported values are gdi, d2d, con on Windows, x,con on Linux and mac,con on macOS. The default mode is con. See the common page to get more information.

Running the sample

Predefined make targets

• make run_seismic - executes the example with predefined parameters.
• make perf_run_seismic ` - executes the example with suggested parameters to measure the oneTBB performance.
• make light_test_seismic - executes the example with suggested parameters to reduce execution time.

Application parameters

Usage:

seismic [n-of-threads=value] [n-of-frames=value] [silent] [serial] [-h] [n-of-threads [n-of-frames]]

• -h - prints the help for command line options.
• n-of-threads -e number of threads to use; a range of the form low[:high], where low and optional high are non-negative integers or auto for a platform-specific default number.
• n-of-frames - number of frames the example processes internally.
• silent - no output except elapsed time.
• serial - in GUI mode start with serial version of algorithm.

Interactive graphical user interface

The following hot keys can be used in interactive execution mode when the example is compiled with the graphical user interface:

• left mouse button - starts new seismic wave in place specified by mouse cursor.
• space - toggles between parallel and serial execution modes.
• p - enables parallel execution mode.
• s - enables serial execution mode.
• e - enables screen updates.
• d - disables screen updates (strongly recommended when measuring performance or scalability; see note below).
• esc - stop execution.