[Haskell-cafe] Benchmarks game updated

Chris Smith cdsmith at gmail.com
Sun Mar 6 16:46:12 CET 2011

On Sun, 2011-03-06 at 09:46 +0300, Nikitiskiy Dmitriy wrote:
> As I see, some examples compilled with similar flags:
> /usr/local/src/ghc-7.0.2/bin/ghc --make -O2 -fglasgow-exts -rtsopts
> -funbox-strict-fields -fexcess-precision -fvia-c -optc-O3
> spectralnorm.ghc-4.hs -o spectralnorm.ghc-4.ghc_run
> Does this flags enable LLVM optimizations in 7.0.2?

No, that uses C language generation and then passes the resulting C
through gcc.  To go through LLVM instead, you need to pass -fllvm
instead of -fvia-c.  Then the -optc-O3 will not be valid; instead,
you'll want to play around with flags to -oplo and -optlc to pass them
to the LLVM stages.


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