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This blog post details three recent optimizations to LLVM's BumpPtrAllocator, reducing fast-path overhead by removing redundant alignment, null pointer checks, and per-allocation accounting, resulting in improved performance for Clang, lld, and other LLVM components.
zalloc replaces malloc, calloc, realloc, and free in C modules with Zig allocators, enabling Zig-style memory management in C code.