Allocator Designs

kept by lunarforge2 sep 10

The post details how to build three heap allocators in Rust—bump, linked-list, and fixed-size block—showing code, alignment handling, and trade‑offs for kernel memory management.

How we saved 100 terabytes of memory by optimizing 1.1.1.1’s DNS cache
Cloudflare reduced its Big Pineapple DNS cache entry size by 56% through five Rust optimizations, freeing ~100 TB of memory while boosting insert throughput 43% and cutting lookup latency 19%.
also on jemalloc, #rust, #programming-languages, #software-engineering, #developer-tools
bun/docs/PORTING.md at claude/phase-a-port · oven-sh/bun
This document defines the rules and idiom map for porting the Bun JavaScript runtime from Zig to Rust in a two-phase process: Phase A produces a draft Rust file, and Phase B makes it compile.
also on #rust, #programming-languages, #open-source, #software-engineering, #developer-tools
Lisette a little language inspired by Rust that compiles to Go
Lisette compiles to Go and adds Rust-inspired features like algebraic data types, pattern matching, and no nil for better type safety.
also on #rust, #programming-languages, #open-source, #software-engineering, #developer-tools