On 15/02/2010, at 04:58, Don Stewart wrote:

> Do we have the blessing of the DPH team, wrt. tight, numeric inner loops?

FWIW, I don't think we even use -fvia-C when benchmarking. In general, -fvia-C 
is a dead end wrt numeric performance because gcc just doesn't optimise well 
enough. So even if we generated code that gcc could optimise properly (which we 
don't atm), we still would be way behind highly optimising compilers like 
Intel's or Sun's. IMO, the LLVM backend is the way to go here.

Roman


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