There is a small table, showing the relative calculation speed.
GCC, optimized........................... 1.0
LLVM, optimized........................ 0.91
GCC, optimized........................... 1.32
LLVM, optimized........................ 1.21
Anyway, GCC wins.
Hi Anton,
thanks for this, it is a very useful comparison.
c++ support in LLVM is quite a new thing, so I didn't expect any
miracles. It is a "young" and very dynamic project so I would expect
LLVM to become much much better in near future (gcc as well, but it is
quite conservative in its development, perhaps because it does not have
such a well-defined internal structure); once they add (which might take
a long, since that is definitely not easy) openmp, the results might be
even more interesting.
Vaclav, could you not have a look at "optimize" option in SConstruct?
It seems, there is a bug, it does not optimize a code, although "scons
-h" shows optimize=True.
Is this solved now for? I understand from the other e-mail that it is,
though confirm that to be sure.
