Re: Compilation time has more than doubled on some Polyhedron tests

[Richard Guenther <rguenther at suse dot de>]

On Mon, 16 Jan 2006, Dominique Dhumieres wrote:

> > Can you send me this file (and all the files it requires)?
> 
> You can find it on:
> 
> http://www.lps.ens.fr/~dominiq/polyhedron/channel.f90

Ok, without the patch, compile-time is (f951 compiled with checking 
enabled and -g):

rguenther@g148:/space/rguenther/obj/gcc-g/gcc> time ./f951 -quiet -O2 
channel.f90 

real    0m13.008s
user    0m12.817s
sys     0m0.160s
rguenther@g148:/space/rguenther/obj/gcc-g/gcc> time ./f951 -quiet -O2 
channel.f90 

real    0m12.967s
user    0m12.825s
sys     0m0.120s
rguenther@g148:/space/rguenther/obj/gcc-g/gcc> time ./f951 -quiet -O2 
channel.f90 

real    0m12.960s
user    0m12.845s
sys     0m0.100s
rguenther@g148:/space/rguenther/obj/gcc-g/gcc> ls -l channel.s 
-rw-r--r--  1 rguenther suse 45913 2006-01-16 15:04 channel.s


with the patch applied it improves a little bit ;)

rguenther@g148:/space/rguenther/obj/gcc-g/gcc> time ./f951 -quiet -O2 
channel.f90 

real    0m1.183s
user    0m1.156s
sys     0m0.024s
rguenther@g148:/space/rguenther/obj/gcc-g/gcc> time ./f951 -quiet -O2 
channel.f90 

real    0m1.188s
user    0m1.164s
sys     0m0.024s
rguenther@g148:/space/rguenther/obj/gcc-g/gcc> time ./f951 -quiet -O2 
channel.f90 

real    0m1.181s
user    0m1.160s
sys     0m0.020s
rguenther@g148:/space/rguenther/obj/gcc-g/gcc> ls -l channel.s 
-rw-r--r--  1 rguenther suse 45913 2006-01-16 15:05 channel.s


while seemingly the output is the same (size). Quite impressing for such
a little patch ;)

Richard.