Author: Dave Gomboc
Date: 16:09:16 10/13/01
Go up one level in this thread
On October 11, 2001 at 13:24:17, Frank Phillips wrote: >On October 10, 2001 at 17:05:32, Dann Corbit wrote: > >>On October 10, 2001 at 16:41:15, Frank Phillips wrote: >> >>>On October 10, 2001 at 15:53:36, Gian-Carlo Pascutto wrote: >>> >>>>On October 10, 2001 at 14:18:34, Frank Phillips wrote: >>>> >>>>>When I find out how to access the gcc3.0.1 documentation I installed I may try >>>>>to reduce the compiled size and see if it gets faster. >>>> >>>>-Os for size optimization >>>> >>>>There are loads of optimization settings and it pays off to >>>>tune them for your program. >>>> >>>>-- >>>>GCP >>> >>>Thanks. Yes I have tried a few combinations including Os. >>> >>>Interestingly the best combination so far is not the same for gcc3.0.1 as it is >>>for gcc2.96. The sizes of the compiled are also revealing >>>gcc3.0.1 498kB (same optimisations) >>>gcc2.96 393kB (same optimisations) >>>MSVC++ 308kB >>> >>>Something is clearly different in the way these compilers work, which is >>>intersting, but I do not know enough to suggest what. >> >>Intel has a compiler that you Linux folks might want to try. I know that the >>purse strings of a Linux user are bound at 100 million PSI, but you could try a >>*free* evaluation at least, and see how it compares. I am predicting double the >>speed. >> >>Note that I am not talking about the KAP compiler for Linux (but rather) the >>Intel C++ compiler 6.0 for Linux (which is now in beta). > >Thanks Dan, I may give this a try assuming it works on Mandrake 8.1 as well as >RH7.1. > >Only 100 million psi for the purse strings. My wife has a much stronger grip. >The Intel compiler is no doubt wonderful, but I am sure she could suggest better >uses for the several hundred dollars it would cost. You guys are obviously >rich............................... > >Frank Either that, or not married ;-) Dave
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