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I built a garbage collector for a language that doesn't need one
Clayton Ramsey describes building dumpster, a cycle-detecting garbage collector written in Rust for Rust, covering its reference-counting design, a concurrent implementation, benchmarks, and the fuzzing that caught subtle bugs.
29 min · 6,578 words
Alex Kladov (matklad) argues that swapping std's Mutex for a spinlock to add no_std support in Rust crates is an anti-pattern, walking through how spinlocks work, priority inversion, CPU interrupts and why a spinning lock can deadlock, and proposes alternatives such as panicking when blocking is impossible.
9 min · 2,000 words