Post #25525 19 Jun 29, 2026, 13:23 UTC Optimizing LLVM's bump allocatorhttps://maskray.me/blog/2026-06-28-optimizing-llvm-bump-allocatorhttps://redd.it/1uir81p@r_cpp MaskRay Optimizing LLVM's bump allocator BumpPtrAllocator is LLVM's bump allocator (arena allocator): each allocation bumps a pointer within a slab, and everything is freed at once when the allocator dies. It backs Clang's ASTContext, lld's