NSZone was born when memory was small and paging to disk was expensive & fre...

pohl on Sept 5, 2010 | parent | context | favorite | on: Alternative Objective-C object allocation for larg...

NSZone was born when memory was small and paging to disk was expensive & frequent. Zones were to help you group objects that would likely be used together onto the same virtual memory page so you could decrease the likelihood of thrashing.