source: src/Common/Stats/Time.h@ 3e54399

//
// Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// Time.h --
//
// Author           : Thierry Delisle
// Created On       : Fri Mar 01 15:14:11 2019
// Last Modified By : Andrew Beach
// Last Modified On :
// Update Count     :
//

#pragma once

#include "Common/Stats/Base.h"

#if defined( NO_STATISTICS )
        #define NO_TIME_STATISTICS
#endif

namespace Stats {
        namespace Time {
#               if defined(NO_TIME_STATISTICS)
                        inline void StartGlobal() {}

                        inline void StartBlock(const char * const) {}
                        inline void StopBlock() {}

                        inline void print() {}

                        struct BlockGuard {
                                BlockGuard(const char * const) {}
                                ~BlockGuard() {}
                        };

                        template<typename func_t>
                        inline void TimeBlock(const char *, func_t f) {
                                f();
                        }

                        template<typename ret_t = void, typename func_t, typename... arg_t>
                        inline ret_t TimeCall(
                                        const char *, func_t func, arg_t&&... arg) {
                                return func(std::forward<arg_t>(arg)...);
                        }
#               else
                        void StartGlobal();

                        void StartBlock(const char * const name);
                        void StopBlock();

                        void print();

                        struct BlockGuard {
                                BlockGuard(const char * const name ) { StartBlock(name); }
                                ~BlockGuard() { StopBlock(); }
                        };

                        template<typename func_t>
                        inline void TimeBlock(const char * name, func_t func) {
                                BlockGuard guard(name);
                                func();
                        }

                        template<typename ret_t = void, typename func_t, typename... arg_t>
                        inline ret_t TimeCall(
                                        const char * name, func_t func, arg_t&&... arg) {
                                BlockGuard guard(name);
                                return func(std::forward<arg_t>(arg)...);
                        }
#               endif
        }
}