

CppCast
Phil Nash & Timur Doumler
Every two weeks, or so, we sit down with guests from the C++ community to discuss the latest news and what they have been up to. Find us at cppcast.com
Episodes
Mentioned books

Oct 29, 2024 • 1h 1min
Realtime Sanitizer and the Performance Constraints attributes
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.

Oct 20, 2024 • 1h 4min
Type Erasure, SIMD-Within-a-Register and more
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!

Oct 4, 2024 • 1h 2min
Parsing and Analysing C++
Yuri Minaev joins Timur and Phil. Yuri talks to us about static analysis and how PVS Studio helps. Then we chat about his work on a custom C++ parser, and what challenges he's encountered.
News
CppCon 2024 keynotes on YouTube (via CppCon site):
Herb Sutter - "Peering Forward: C++'s Next Decade"
Khalil Estell - "C++ Exceptions for Smaller Firmware"
Amanda Rousseau - "Embracing an Adversarial Mindset for C++ Security"
David Gross - "Ultrafast Trading Systems in C++"
Daveed Vandevoorde - "Gazing Beyond Reflection for C++26"
Coros - task-based parallelism library built on C++20 Coroutines
"The case of the crash when destructing a std::map" - Raymond Chen
ACCU 2025 Call for Speakers and (super) Early Bird Tickets
Links
C++ Under the Sea
PVS-Studio (download)
PVS-Studio Blog
Yuri's Webinar: Parsing C++

Sep 20, 2024 • 55min
CppCon 2024 Live Special
Sean Baxter, known for his groundbreaking work on Safe C++, and Andrei Alexandrescu, a leading voice in the C++ community, join in an engaging discussion about the latest in C++ standards and safety. They delve into Clang 19.1 updates, emphasizing the need for safety in coding. The duo explores the balance of old code with new safety features and AI integration in C++. Plus, reflections on podcasting experiences reveal the chaos and evolution of coding, along with a nod to boosting community inclusivity and upcoming events.

Sep 6, 2024 • 1h 6min
Benchmarking Language Keywords
Benjamin Summerton joins Timur and Phil. Ben talks to us about what led him to benchmark the impact of the final and noexcept keywords, how to interpret his results, and the project that inspired him to do so in the first place.
News
Boost 1.86 released
RealtimeSanitizer - new real-time safety testing tool for C and C++ projects that comes with Clang 20
"Honey, I shrunk {fmt}: bringing binary size to 14k and ditching the C++ runtime"
Links
Join us for the CppCast CppCon Special
Previous episodes covering std lib implementations:
Stephan T. Lavavej (MSVC)
Stephan T. Lavavej and Sy Brand (MSVC)
Billy O'Neil (MSVC)
Marshall Clow (libc++)
Eric Fiselier (libc++)
"noexcept affects libstdc++’s unordered_set" - Arthur O'Dwyer
Episode with Martin Hořeňovský, discussing non-portal random distribution
Episode with Frances Buontempo, also mentioning random numbers and the portable distribution issue
"Free Your Functions" (video) - Klaus Iglberger (timed link to the bit that talks about performance)
Ben's PSRayTracing repo

Aug 9, 2024 • 1h 4min
Reducing Binary Sizes
Sándor Dargó, an expert in reducing binary sizes and clean code, shares his wisdom on efficient software development. He dives into the significance of keeping binaries small, especially for embedded systems, and explains strategies like optimizing compiler settings. Sándor emphasizes the delicate balance between code clarity and performance, discussing how early structural decisions can impact the end result. He also reflects on the essence of clean code, advocating for maintainability amidst the complexities of modern C++. It's a treasure trove of insights for any C++ programmer!

Jul 27, 2024 • 1h 3min
Swift for C++ Developers
Doug Gregor joins Phil and Kevin Carpenter. Doug talks to us about his work on Swift at Apple, what the language is like and how it can interoperate with C++.
News
"Memory Safety in C++ vs Rust vs Zig" - B Shyam Sundar
C++ under the Sea workshops announced
mp-units 2.2.0 released
Links
"Swift for C++ Practioners" - first in blog series from Doug Gregor
Episode 341, with Dave Abraham talking about Swift/ C++ interop
"Start with a Protocol" - blog post from Rob Napier (but link to Dave Abraham's "Crusty" talk no longer works)
"Option(al) is not a Failure" - Phil's talk about Swift Error Handling
"Option(al) is not a Failure" (yes, same name) - Phil's talk about past, present and possible future C++ error handling
"Swift Concurrency"

4 snips
Jul 12, 2024 • 1h 1min
QuantLib
Luigi Ballabio, co-founder of QuantLib, discusses the transition from nuclear physics to finance, updates from the recent WG 21 meeting, challenges in code design, and utilizing graph theory concepts in finance with QuantLib.

Jun 28, 2024 • 1h 2min
libunifex and std::execution
Jessica Wong and Ian Peterson discuss libunifex and std::execution, the evolution of async code projects at Meta, and the importance of structured concurrency in C++. They also explore XCode 16 beta updates, hardening modes, and advancements in the P2300 proposal for error results dependency.

Jun 14, 2024 • 1h 4min
Boost, The Beman Project and Beyond
Zach Laine, a prominent contributor to the Boost library, delves into its rich history and future goals. He shares insights on his experiences in enhancing Boost, emphasizing community feedback and development challenges. The conversation touches on the implications of recent compiler vulnerabilities affecting cryptography. They also celebrate upcoming C++ conferences and discuss the evolving landscape of library standards. Zach encourages a return to Boost's original roots, sparking exciting prospects for the future of C++.


