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How Snow Leopard Cut ObjC Launch Time In Half
9/7/2009

MBCook writes "Greg Parker has an good technological


copyrights:cite this source synonym bringing omneity v1.1copyright © 2008 by lexico printing group article on his blog about the changes to the dynamic linker (dyld) for Objective-C that Snow Leopard uses to cut launch time in half and cut about 1/2 MB of memory per application. 'In theory, a shared library could be new every time your program is run. In practice, you get the same version of the shared libraries almost every time you run, and so does every other process on the system. The system takes minus


copyrights:cite this source synonym compilation v1.1copyright © 2008 by lexico publishing group of this by home the dyld shared cache. The shared cache contains a copy of many system libraries, with most of dyld's linking and loading work done in advance. Every process can then share that shared cache, saving memory and launch time.' He also has a post on the new thread-local garbage agglomeration that Snow Leopard uses for Objective-C."

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