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Re: VisualC++6.0/egcs-1.1b comparison
- To: jle at star dot be, egcs at cygnus dot com
- Subject: Re: VisualC++6.0/egcs-1.1b comparison
- From: N8TM at aol dot com
- Date: Fri, 20 Nov 1998 21:01:33 EST
In a message dated 11/20/98 8:49:02 AM Pacific Standard Time, jle@star.be
writes:
> A floating point intensive process runs about 17 % faster on NT (compiled
> with Visual C++ 6.0)
> than on Linux RedHat 5.1 (compiled with egcs-1.1b) on the same machine (I
> just switch the main boot hard disk)
>
> (the C++ source code is the same for both - a numeric integration routine)
> (egcs compile options: -O -mpentium)
>
Did you try any of the options -Os -fstrict-aliasing -malign-double or
-funroll-loops?