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| author | Rickard Green <[email protected]> | 2010-09-15 22:14:51 +0200 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2011-11-13 20:39:30 +0100 |
| commit | a67e91e658bdbba24fcc3c79b06fdf10ff830bc9 (patch) | |
| tree | 07f9e6b1fd715d516d2571521307fe1b9d7c3948 /erts/doc/src/driver.xml | |
| parent | 55358c54778ead444e51f565d00175ba887ef182 (diff) | |
| download | otp-a67e91e658bdbba24fcc3c79b06fdf10ff830bc9.tar.gz otp-a67e91e658bdbba24fcc3c79b06fdf10ff830bc9.tar.bz2 otp-a67e91e658bdbba24fcc3c79b06fdf10ff830bc9.zip | |
Optimize memory allocation
A number of memory allocation optimizations have been implemented. Most
optimizations reduce contention caused by synchronization between
threads during allocation and deallocation of memory. Most notably:
* Synchronization of memory management in scheduler specific allocator
instances has been rewritten to use lock-free synchronization.
* Synchronization of memory management in scheduler specific
pre-allocators has been rewritten to use lock-free synchronization.
* The 'mseg_alloc' memory segment allocator now use scheduler specific
instances instead of one instance. Apart from reducing contention
this also ensures that memory allocators always create memory
segments on the local NUMA node on a NUMA system.
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