eknowledger

In this post I’ll go through some of the enhancements and improvements done by the CLR team as part of the performance improvements in .Net 4.5. In most cases developers will not have to do anything different to take advantage of the new stuff, it will just works whenever the new framework libraries are used.

Improved Large Object heap Allocator

I’ll start by the most “asked-for” feature from the community – compaction on LOH. As you may know the .Net CLR has a very tough classification regime for its citizens(objects) any object that is greater than or equal to 85.000 bytes considered to be special(large Object) and needs different treatment and placement, that’s why the CLR allocate a special heap for those guys and then the poor guys lives in a different heap frankly called Small Object Heap (SOH).

SOH Allocations and Garbage Collections

The main difference between these two communities are basically around how…

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