Tag
The article delves into the cycle decomposition algorithm used in clang's libcxx for rotation, explaining how it achieves the minimum number of swaps by computing the greatest common divisor (gcd) to determine the number of cycles.
This article discusses the practical challenges of writing portable C code due to reliance on non-standard compiler extensions and glibc's conditional headers, illustrating with examples from building a C compiler.
ACAV is an interactive Abstract Syntax Tree visualization tool for C, C++, and Objective-C, built with Clang and Qt, that allows developers to explore ASTs from real codebases using compilation databases.
Matt Godbolt explores compiler optimizations that convert an O(n) summation loop into an O(1) closed-form solution, highlighting how Clang and GCC employ sophisticated techniques like loop unrolling and mathematical simplification to dramatically improve code performance.