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Re:JEP254: proposal to represent Java Strings as ISO-8859-1 by blibble on Friday May 15, 2015 @02:01PM (#9552406)
I would imagine most of the time would likely be spent traversing the object graph (i.e. chasing references), making it O(number of references) rather than O(allocated size)
Re:JEP254: proposal to represent Java Strings as ISO-8859-1 by Skinney on Friday May 15, 2015 @07:12PM (#9554237)
Larger allocations causes the heap to fill up faster, causing garbage collection to happen more often (more traversing the graph). Also, a generational garbage collector like you have in Java will copy survivors to a new heap. The larger the object, the more you will have to copy.