# 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](../../README.md) 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.
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