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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
Knock me over with a feather
Posted Feb 3, 2012 23:02 UTC (Fri) by dlang (✭ supporter ✭, #313)
if you can even replace two int variables with one bitfield, you may shrink your datastructure enough to have it fit within a CPU cache line. The memory access that can then be avoided can be enough to make a noticeable difference.
Posted Feb 6, 2012 13:32 UTC (Mon) by cavok (subscriber, #33216)
Posted Feb 6, 2012 12:22 UTC (Mon) by etienne (subscriber, #25256)
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