|Superblock optimizations email@example.com (Tim Frink) (2008-04-06)|
|Re: Superblock optimizations firstname.lastname@example.org (2008-04-13)|
|Re: Superblock optimizations email@example.com (IndianTechie) (2008-04-14)|
|Re: Superblock optimizations firstname.lastname@example.org (Tim Frink) (2008-04-19)|
|Date:||Mon, 14 Apr 2008 22:20:49 -0700 (PDT)|
|Posted-Date:||15 Apr 2008 13:54:44 EDT|
On Apr 13, 10:58 pm, andreybokha...@gmail.com wrote:
> I believe the primary reason why superblocks exist on machine-specific
> IRs is because they used by machine-specific optimizations (primarly
> by scheduling).
> Profiling, however, can be (and actually does) used by machine-
> independent (well... actually, less clearly machine-dependent)
> optimizations, working on machine-independent IRs. Examples are loop
> optimizations (unrolling, prefetch, etc) and PRE.
also, look at HP's profile based optimizations. You can get that by
using +O4 on HP's compilers.
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