Re: a compiled program is slower than byte code

2011-02-15 Thread Simon Marlow
On 09/02/2011 09:25, Kazu Yamamoto (山本和彦) wrote: Hello, My stats look very different. 6 RuleFired 1 ++ 2=# 1 foldr/app 1 unpack 1 unpack-list Are your libraries compiled with -O2? I don't know. How can I check? I just installed ghc-7.0 by perl boot; configure;

Re: a compiled program is slower than byte code

2011-02-09 Thread Simon Marlow
On 09/02/2011 04:35, Kazu Yamamoto (山本和彦) wrote: Hello Simon, $ ghc-nightly2 ./kazu.hs -O2 -fforce-recomp; time ./kazu [1 of 1] Compiling Main ( kazu.hs, kazu.o ) Linking kazu ... 4.17s real 4.16s user 0.01s system 99% ./kazu OK. I ran it on 32bit Linux. 6.12.3 runghc

Re: a compiled program is slower than byte code

2011-02-09 Thread 山本和彦
Hello, My stats look very different. 6 RuleFired 1 ++ 2 =# 1 foldr/app 1 unpack 1 unpack-list Are your libraries compiled with -O2? I don't know. How can I check? I just installed ghc-7.0 by perl boot; configure; make; make install. --Kazu

Re: a compiled program is slower than byte code

2011-02-08 Thread Simon Marlow
If I compile the attach code with GHC of the newest ghc-7.0 darcs branch, the compiled program is much slower than byte code. This phenomenon does not exist in GHC 6.12.3. 6.12.3 runghc -- 6.23s user 0.59s system 98% cpu 6.912 total ghc -- 5.72s user 0.70s system 99% cpu

Re: a compiled program is slower than byte code

2011-02-08 Thread 山本和彦
Hello Simon, $ ghc-nightly2 ./kazu.hs -O2 -fforce-recomp; time ./kazu [1 of 1] Compiling Main ( kazu.hs, kazu.o ) Linking kazu ... 4.17s real 4.16s user 0.01s system 99% ./kazu OK. I ran it on 32bit Linux. 6.12.3 runghc -- 2.22s user 0.40s system 96% cpu 2.724 total

a compiled program is slower than byte code

2011-02-06 Thread 山本和彦
Hello, If I compile the attach code with GHC of the newest ghc-7.0 darcs branch, the compiled program is much slower than byte code. This phenomenon does not exist in GHC 6.12.3. 6.12.3 runghc -- 6.23s user 0.59s system 98% cpu 6.912 total ghc -- 5.72s user 0.70s system 99% cpu