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Throwing Tools at Ranges
Tina Ulbrich
On Day 2 at 17:15 (CET/Berlin) in Track B [Opal Room and online]
When talking about ranges I always get the same questions "but how about compile time? how about runtime?" because usually abstractions give us the impression that they might slow down either compile time or run time or both. The advantages of ranges lie in the ease of use, composability, and readability but many people cannot sacrifice run time performance for it. So that sparked the idea of using different tools to do a deep dive into the ranges code and answer these questions as objectively as possible. In this talk I will talk about the tools I used on both Windows and Linux and the insights they give into ranges code compared to non-ranges code. I will concentrate on runtime performance and memory usage. The analysis features one example written in: C-style C++, C++17 and C++23/ranges. The comparison of these styles will give you an impression which effects modernization of your code has on performance.
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