microbenchmark-adaptor.hpp File Reference

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Description

Helpers and wrappers so simplify usage of micobenchmark.hpp.

Notably the benchmark functions expect the actual »test subject« as a function or lambda with signature size_t(size_t). The argument will be the loop index and the result value will be added into a checksum, which also ensures that the optimiser can not unroll the benchmark loop. However, in practical use this strict requirement for the signature turned out as a nuisance; this header provides some automatic adaption

• accept any numeric type as argument
• accept any numeric type as checksum contribution (cast to size_t)
• accept signature void(void)

Definition in file microbenchmark-adaptor.hpp.

#include "lib/meta/function.hpp"
#include "lib/meta/util.hpp"

Classes
struct	Adaptor< SIG, SEL >
struct	Adaptor< ON(IN), enable_if< __and_< is_arithmetic< IN >, __not_< is_same< IN, size_t > >, is_arithmetic< ON >, __not_< is_same< ON, size_t > > > > >
struct	Adaptor< ON(void), enable_if< __and_< is_arithmetic< ON >, __not_< is_same< ON, size_t > > > > >
struct	Adaptor< size_t(size_t)>
struct	Adaptor< void(IN), enable_if< __and_< is_arithmetic< IN >, __not_< is_same< IN, size_t > > > > >
struct	Adaptor< void(void)>

Functions
template<typename FUN >
decltype(auto)	adapted4benchmark (FUN &&fun)
	Adapter to expose the signature size_t(size_t) from any suitable source functor or lambda. More...

Namespaces
	lib
	Implementation namespace for support and library code.

Function Documentation

adapted4benchmark()

decltype(auto) lib::test::microbenchmark::adapted4benchmark ( FUN &&  fun )

inline

Adapter to expose the signature size_t(size_t) from any suitable source functor or lambda.

Note

requirements

• arity must be either zero or one argument
• if argument or return type are present, they must be plain arithmetic types
• no references allowed
• can be void(void)

Definition at line 149 of file microbenchmark-adaptor.hpp.