Re: comparing gnat/Ada95 and g77

[Preben Randhol <randhol+abuse@pvv.org>]

On Thu, 14 Mar 2002 10:37:59 GMT, John McCabe wrote:
> On Thu, 14 Mar 2002 10:47:18 +0100, Reinert Korsnes
><reinert.korsnes@chello.no> wrote:
> 
>>Hi,
>>
>>Could anybody try these two programs (Ada and Fortran)
>>and see if it is possible to make the Ada version (via compile 
>>options) to run as fast as the Fortran version under Linux, gnat
>>and g77 ?
> 
> What do you mean by "as fast as"? Do you have some figures already?
> What are the differences?

About 3 seconds, 20s (Ada) versus 17s (F77), with -O3 on both. Using
-gnatp didn't speed things up much. But note that one should wait for
GNAT 5.0 as the gcc backend is of different version (gnat uses gcc 2.8.1
while g77 uses 2.95.4).

-- 
Preben Randhol         �For me, Ada95 puts back the joy in programming.�