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Immutable collections with mutable performance

August 29, 2011 Aug 29, 2011 08/29/11

Andrew Arnott

In my last post, I detailed the differences among read/write, read only, frozen and immutable collection types.  I described how immutable collections come with a hit to the garbage collector due to the garbage they generate during mutations.  I have a very positive update on that topic. My previous implementation for the ...

Read only, frozen, and immutable collections

August 21, 2011 Aug 21, 2011 08/21/11

Andrew Arnott

[Update: a more recent post with new data on attainable performance of immutable collections] The topics of immutability and functional programming has fascinated me lately.  Mostly because of my work on the Visual Studio Common Project System (CPS) which is a large, highly multi-threaded code base that only remains sane because of its...