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Roi Barkan

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More Ranges PleaseCppNorth 20242024-07-21
Argues that C++20/23 ranges need concrete, lazy algorithms: implements ideas for a merge view and variadic/multiway merges (O(s log p) with a heap) instead of…
Talk
Implementing Ranges and Views in C++C++Now 20242024-04-29
Covers how to implement range adapters and views in C++: building a closure that returns a view, fixing dangling temporaries by moving into an owning view, and…
Talk on
More C++ Ranges PleaseCppCon 20232023-10-02
Proposes concrete additions: merge as a lazy view and varadic multiway merge for sorted ranges to avoid allocating and to merge P sorted streams in O(S log P)…
Talk on
Coroutine Intuition in C++C++ on Sea 20232023-06-28
Coroutines in C++20 are functions that suspend and resume using stackless frames and promises; examples include a Fibonacci generator implemented as a lazy…
Talk on
Aliasing in C++ - Risks, Opportunities and TechniquesCppCon 20222022-09-11
Examples show real failures: a naive loop-copy breaks overlapping buffers, std::memmove survives but strcpy/copy_n are undefined in those cases, and compilers…
Talk on
Aliasing: Risks, Opportunities and TechniquesC++ on Sea 20222022-07-05
Aliasing in C++ causes both correctness failures and big slowdowns: overlapping arguments break a naive in-place min/max and a concat example, a simple…
Talk on
Argument Passing, Core Guidelines and AliasingMeeting C++ 20212021-11-10
Slides and benchmarks state that Core Guideline F-16 (pass cheaply copyable types by value, others by const reference) matters because aliasing can change…
Talk on
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