C and C++
Performance, memory safety, compilers and modern C++ in practice.
185 links, newest first.
- C and C++Article
Memory Allocation Strategies
A series by gingerBill about memory allocation strategies.
Useful for engineers who want to build a clearer understanding of memory allocation.
- C and C++Article
C++ Core Guidelines: Programming at Compile Time with constexpr
An MC++ Blog article about using constexpr to program at compile time, framed around the C++ Core Guidelines.
Compile-time programming with constexpr is relevant to C++ code design and evaluation.
- C and C++Article
Abseil C++ Performance Hints
Abseil’s page is titled “Performance Hints.” The preview describes Abseil as an open-source collection of core C++ library code.
A focused resource for engineers working with C++ performance and Abseil.
- C and C++Article
Linux io_uring patch adds a lockless MPSC FIFO queue
A Linux kernel patch proposes adding a lockless multi-producer, single-consumer FIFO queue to io_uring. The post links to the original MPSC queue design from 2008.
The patch offers a concrete example of a lock-free queue design being applied in the Linux kernel.
- C and C++Article
Linux Kernel Locks in Real-Time Ubuntu
Real-time Ubuntu documentation explains how kernel locks protect critical code regions from context switching or preemption, including on SMP systems.
Useful for understanding how kernel concurrency is handled in real-time and multiprocessor environments.
- C and C++Paper
The Little Book of Semaphores
A post shares a PDF of Allen B. Downey’s *The Little Book of Semaphores*.
Semaphores are a concurrency topic relevant to systems programming.
- C and C++Docs
Linux Kernel Locking Documentation
The Linux Kernel documentation provides a guide to locking in the kernel.
It can help engineers understand the kernel’s locking mechanisms and concurrency practices.
- C and C++Article
A Guide to Undefined Behavior in C and C++, Part 1
An article introducing a guide to undefined behavior in C and C++.
Understanding undefined behavior is relevant to writing and analyzing C and C++ code.
- C and C++Article
How the Standard Library Affects Dispatch Performance
The post compares std::variant with virtual dispatch across GCC versions. Its preview says std::variant shifted from 28% slower on GCC 11 to 50% faster on GCC 12, with only the compiler changing.
It highlights that compiler and standard library implementation choices can affect dispatch performance.
- C and C++Article
cppreference’s C++ language reference
A reference page covering the C++ language. The author says the reference is organized well.
Engineers can use it as a reference when working with C++ language features.
- C and C++Article
Handles as an alternative to pointers
The post discusses handles as an alternative to pointers and describes preventing handle collisions with a per-slot generation counter.
It offers engineers a memory-management approach relevant to data-oriented design.
- C and C++Post on X
Fedor Pikus’s Two-Part Overview of C++ Concurrency
The post recommends Fedor Pikus’s two-part talk, “Concurrency in C++: A Programmer’s Overview.”
It points engineers to a talk focused on concurrency in C++.
- C and C++Video
Concurrency in C++: A Programmer’s Overview
A two-part talk by Fedor Pikus about concurrency in C++.
Offers engineers a focused overview of concurrency in C++.
- C and C++Article
Algorithmica guide to RAM and CPU caches
Algorithmica has a guide titled “RAM & CPU Caches,” about memory and CPU caches.
A resource on RAM and CPU caches is relevant to understanding memory-related performance.
- C and C++Article
A Guide to Watchdog Timers for Embedded Systems
An Interrupt article about watchdog timers for embedded systems.
Watchdog timers are a practical reliability topic for embedded software engineers.
- C and C++Post on X
Writing a Debugger From Scratch
A blog series in eight parts on building a debugger, covering topics from attaching to a process to working with source and symbols.
It offers engineers a structured deep dive into how debuggers work under the hood.
- C and C++Video
Strategies for Writing Efficient C++ Programs
A CppCon 2022 presentation by Jan Bielak about strategies for writing efficient C++ programs.
The talk may offer practical approaches to improving C++ program efficiency.
- C and C++Article
Why Conduct Code Reviews?
The first part of Arne Mertz’s series explores reasons to conduct—or not conduct—code reviews.
It offers engineers a basis for evaluating the purpose of code reviews.
- C and C++Post on X
Eight-Part Series on Writing a Debugger from Scratch
The blog series covers building a debugger, from attaching to a process through handling source code and symbols. The post describes it as a deep dive into how debuggers work under the hood.
Understanding debugger internals can help engineers diagnose issues and reason about debugging tools.
- C and C++Paper
End-to-End Verification of Stack-Space Bounds for C Programs
A 2014 paper by Q. Carbonneaux et al. on end-to-end verification of stack-space bounds for C programs.
Useful to engineers investigating formal verification of memory-resource bounds in C.
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