[Mono-dev] Use eglib as a default for mono 2.6
Miguel de Icaza
miguel at novell.com
Thu Apr 23 16:56:14 EDT 2009
> > glib today features a very powerful slab allocator, and this slab
> > allocator does have a performance gain in things like the mcs bootstrap
> > test.
> I'm not familiar with glib, but is that allocator some rocket science
> that can't be matched in performance by using some other allocators
> (dlmalloc, nedmalloc, hoard, ...)?
I do not think we need to be rocket scientists, we just need to be good
artisans and make sure that we do not regress.
Slab allocators typically work by having a stronger relationship between
the client and the allocator. Instead of the trivial API "Give me N
bytes", the API is "I will be allocating lots of structures of size X",
so these allocators are turned for allocating blocks of a fixed size.
This happens for example when allocating lots of nodes for a hashtable,
or a linked list for example. This paper describes the original
introduction of Slab allocation into the Solaris kernel, where it became
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