C++ High Performance

The BOOST_COMPUTE_FUNCTION macro

As mentioned, we are using strings for the OpenCL source code. In order to get a little bit more readability, Boost Compute comes with a convenience macro called BOOST_COMPUTE_FUNCTION, which makes strings out of the source code parameter.

The following table shows a syntactical comparison of them:

Using make_function_from_source:	Using BOOST_COMPUTE_FUNCTION macro:
namespace bc = boost::compute; auto circle_area_gpu = bc::make_function_from_source <float(Circle)> ( "circle_area_gpu","float circle_area_gpu(Circle c){"" float pi = 3.14f; "" return c.r * c.r * pi; ""} ");	BOOST_COMPUTE_FUNCTION( float, // Return type circle_area_gpu, // Name (Circle c), // Arg { float pi = 3.14f; return c.r * c.r ...