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From Rust to Reality: The Hidden Journey of fetch_max
https://questdb.com/blog/rust-fetch-max-compiler-journey
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Tagged with:
concurrency
rust
llvm
compilers
atomics
A compiler deep-dive tracing Rust’s AtomicU64::fetch_max from macro expansion and rustc intrinsics through LLVM’s atomicrmw umax and AtomicExpandPass to the final x86-64 CAS loop
