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Marius Gerbershagen authored
- Spinlocks have been replaced by ordinary locks. Without access to the underyling scheduler, spinlocks provide no performace benefit and may even be harmful in case of high contention. - Synchronization of process creation and exiting has been simplified. Instead of a spinlock, a barrier and atomic operations we now use only a single lock protecting the shared process state and a condition variable for implementing process joins. - Some locks which were implemented using Lisp objects now directly use a native mutex. - Our own mutex implementation has been removed as it is now unused.
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