A deep dive into SmallVector:push_back

Software Development, Programming Languages, C++ Optimization(maskray.me)view on HackerNews
SmallVectorC++OptimizationPushBackLLVMTrivially Copyable

Author: mariuz

Date: 6/29/2026

Article Summary:
This article discusses an optimization for the SmallVector class in the LLVM project, specifically for approximately trivially copyable element types, reducing the overhead of the push_back operation.