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Poor man’s QMK

QMK is a highly customizable firmware for keyboards. It is used by some mechanical keyboard vendors (e.g., Keychron, Kinesis and Nuphy), primarily on wired ergonomic…

Locking without false sharing

In the previous episode, we peered into how locks are implemented in Java and saw an instance of LockSupport.park() being a bottleneck. However, that is not the only subtle…

Locking without a Lock

Race conditions have cast insurmountable pain and suffering over mankind since untold times. Today, locks allow programmers to expunge race conditions. However, almost no…

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