# Convex_hull sample Parallel version of convex hull algorithm (quick hull). ## Building the example ``` cmake <path_to_example> cmake --build . ``` This sample contains two additional predefined build targets: - `convex_hull_sample` - builds parallel version of the example which uses `parallel_reduce`, `parallel_for` and `concurrent_vector`. - `convex_hull_bench` - build version of the example that compares serial and parallel buffered and unbuffered implementations. ## Running the sample ### Predefined make targets * `make run_convex_hull` - executes the example with predefined parameters. * `make perf_run_convex_hull` - executes the example with suggested parameters to measure the oneTBB performance. * `make light_test_convex_hull` - executes the example with suggested parameters to reduce execution time. ### Application parameters Usage: ``` convex_hull_sample [n-of-threads=value] [n-of-points=value] [silent] [verbose] [-h] [n-of-threads [n-of-points]] convex_hull_bench [n-of-threads=value] [n-of-points=value] [silent] [verbose] [-h] [n-of-threads [n-of-points]] ``` * `-h` - prints the help for command line options. * `n-of-threads` - the 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-points` - number of points. * `silent` - no output except elapsed time. * `verbose` - turns verbose ON.
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