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An unexpected perf feature
LWN.net Weekly Edition for May 16, 2013
A look at the PyPy 2.0 release
PostgreSQL 9.3 beta: Federated databases and more
LWN.net Weekly Edition for May 9, 2013
Like an MCS lock with the internal state stored in a pseudo-stack of per-CPU variables searched for the lock address, or maybe something stateless if possible.
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