🤕 Typical C++ performance pitfall:
by-value instead of references. 🤷 #cpp

https://x.com/DanielLockyer/status/1903042764566130911

Daniel Lockyer (@DanielLockyer) on X

Meta recently made a 1 character change to their codebase which saves the equivalent of ~15,000 servers in capacity per year 🤯

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