#java
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It seems to be a common belief that code which uses mutexes/locks/synchronized methods is "slow" and, as soon as you replace them with atomics, your...
Today we're comparing Java's j.u.c.ConcurrentHashMap and Go's xsync.MapOf in a totally non-scientific, unfair benchmark. While most of such language...
Everyone knows that multi-threaded code is not a piece of cake. There are lots of publications on how to write concurrent code properly and also lots...
Single producer single consumer (SPSC) queues form the simplest type of concurrent queues. We have a single thread producing the items, as well as a...
In case you've missed it, recent JDK versions include new memory semantics for atomic operations available in VarHandle and Atomic* classes. These new...
Last time we discussed scalability of j.u.c.l.ReentrantReadWriteLock and some alternatives. Some of the alternatives used a simple CAS...
