Alle, When we run sa-compile on a CentOS 4 distro (old hardware, Dual Celeron SMP), gcc only uses one CPU when compiling. Is there any way to use both processors, or is this a question for the SA list? Best Regards, Camron -- Camron W. Fox Hilo Office High Performance Computing Group Fujitsu Management Services of America, Inc. E-mail: cwfox at us.fujitsu.com