Experiments have been carried out on a 2.4 GHz Pentium IV machine with 2 GB of RAM, running Debian Operating System version 3.0, and on a 270 MHz UltraSparc IIi with 128 MB of RAM, running Sun Operating System Edition 5.8 Generic_108528-10. The gcc version used under Debian is 3.3.5, and under Solaris is 2.8.1.
As our experimentation have been carried out on two platforms, GNU
Linux and Sun Solaris 
, we have chosen the compilation options of
gcc as following; Under GNU Linux, we use -g -Wall -W -pipe
-march=pentium -malign-double; under Solaris, we use -g -Wall
-W -pipe -msupersparc.