CppCast

Matt Kulukundis joins Timur and Phil. Matt talks to us about BrontoSource, his start-up focused on refactoring, updating or migrating large codebases, as well as his work on Swiss Tables. News Herb Sutter's WG21, Bulgaria, trip report End of active development on jemalloc "Amortized O(1) complexity" - Andreas Weiss' lightning talk Reddit discussion of filter view issue Links Acronyms on cppreference/com Arthur O'Dwyer's acronym glossary Matt’s Swiss Tables talk at CppCon Example of BrontoSource integration in Compiler Explorer

Phil and Timur are joined by Jason Turner, Matt Godbolt, Anastasia Kazakova and Guy Davidson to celebrate 400 episodes of CppCast and catch up with the co-hosts that have helped us keep up for the last 50 of them! News Boost.Bloom has been accepted into Boost "Three types of name lookups in C++" - Sandor Dargo "How Compiler Explorer Works in 2025" - Matt Godbolt Links Episode 376 with Rainer Grimm Rainer's website and blog - with updates on his ALS journey

Kristen Shaker joins Timur and Phil. Kristen talks to us about her C++ on Sea keynote about the C++ interview process, her previous work at Google, and why she has made a slightly unusual career change. News libc++ removed the base template for std::char_traits "how to break or continue from a lambda loop?" - Vittoria Romeo Results from the 2025 Annual C++ Developer Survey "Lite" (pdf) Links C++ on Sea schedule (with Kristen and Timur's keynotes) BrontoSource "What Can We Learn From the Results of C++ Community Surveys?" - Anastasia Kazakova "Sorting Resumes" - Joel Spolsky (introducing the idea of filtering) "How to Build Your First C++ Automated Refactoring Tool" - Kristen's CppCon 2023 talk

Jonathan Wakely joins Phil and Timur. Jonathan talks to us about libstdc++ (GCC's standard library implementation), of which he is the lead maintainer, and tackles some tough questions like ABI compatibility - and how GCC and libstdc++ approach it. News GCC 15 released (release notes) Boost.OpenMethod review (finished) 2025 Annual C++ Developer Survey "Lite" (closed) Links GCC Mailing Lists

Daisy Hollman joins Phil and Anastasia. Daisy talks to us about the current state of the art in using LLM-based AI agents to help with software development, as well as where that is going in the future, and what impacts it is having (good and bad). News Clang 20 released Boost 1.88 released JSON for Modern C++ 3.12.0 Conferences: Pure Virtual C++ 2025 Full schedule C++ Now 2025 C++ on Sea 2025 - speakers C++ under the Sea 2025 Links "Not your Grandparent's C++" - Phil's talk "Robots Are After Your Job: Exploring Generative AI for C++" - Andrei Alexandrescu's closing CppCon 2023 keynote

Louis Dionne, code owner of libc++ at Apple and C++ standard committee member, discusses the adoption of the library hardening proposal set for C++26. He emphasizes the importance of enhancing safety and security in C++ through techniques that turn undefined behaviors into clear contract violations. The conversation also delves into innovations like a safe mode for memory safety, evolving hardening techniques, and the balancing act between performance and security. Dionne shares actionable insights for developers eager to adopt these practices today.

Timur and Phil return after an extended break with news and updates News Bjarne Stroustrup on How He Sees C++ Evolving Conferences round-up: ACCU Conference 2025 C++ Now 2025 C++ on Sea 2025 C++ North 2025 CppCon New Meetups: Singapore C++ USers Group ACCU Cambridge Links "Contracts and Safety for C++26" - C++ London January event "Not Your Grandparent's C++" - Phil's ACCU Cambridge talk

Anders Knatten joins Phil and Timur. Anders reminds us about cppquiz.org and tells to us about his new book, C++ Brain Teasers, how that relates to the site and why it's has good practical applicability. News New report by the US Cybersecurity and Infrastructure Security Agency (CISA) C++ Safe Buffers - a new Clang20 feature CppFront version 0.8 is out “Safe and efficient C++ interoperability via non-escapable types and lifetimes” - from the Swift Forums Links C++ Brain Teasers - Anders' new book C++ Quiz C++ Quiz repo and getting involved Submit your own C++ Quiz questions Modulo One - Anders' band IncludeOS - Episode #63 of CppCast

Christopher Apple, a software engineer with a focus on real-time safety and performance in C++, chats about the Realtime Sanitizer introduced in Clang 20. He discusses its role in enhancing code safety, especially in audio applications, and the challenges of memory management. The conversation touches on how the Performance Constraints attributes help in non-blocking function reliability. Additionally, they cover the implications for real-time programming and why these advancements matter in industries like gaming and fintech.

Eduardo Madrid, main author of the Zoo libraries and former high-frequency trading developer at companies like Bloomberg and Snapchat, shares his innovative insights. He delves into his advanced type-erasure framework and the SWAR library, which simulates SIMD operations, highlighting their practical advantages. Eduardo also draws fascinating parallels between software design and principles from biology and physics, illustrating how these influences shape his approach to coding and architecture. Expect a blend of tech and creativity in this engaging discussion!