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  • Book Overview & Buying The Modern C++ Challenge
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The Modern C++ Challenge

The Modern C++ Challenge

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The Modern C++ Challenge

The Modern C++ Challenge

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Overview of this book

C++ is one of the most widely-used programming languages and has applications in a variety of fields, such as gaming, GUI programming, and operating systems, to name a few. Through the years, C++ has evolved into (and remains) one of the top choices for software developers worldwide. This book will show you some notable C++ features and how to implement them to meet your application needs. Each problem is unique and doesn't just test your knowledge of the language; it tests your ability to think out of the box and come up with the best solutions. With varying levels of difficulty, you'll be faced with a wide variety of challenges. And in case you're stumped, you don't have to worry: we've got the best solutions to the problems in the book. So are you up for the challenge?
Table of Contents (15 chapters)
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Solutions

39. Measuring function execution time

To measure the execution time of a function, you should retrieve the current time before the function execution, execute the function, then retrieve the current time again and determine how much time passed between the two time points. For convenience, this can all be put in a variadic function template that takes as arguments the function to execute and its arguments, and:

  • Uses std::high_resolution_clock by default to determine the current time.
  • Uses std::invoke() to execute the function to measure, with its specified arguments.
  • Returns a duration and not a number of ticks for a particular duration. This is important so that you don't lose resolution. It enables you to...
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The Modern C++ Challenge
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