Redirecting stdout to build/ALPHA/tests/opt/quick/se/00.hello/alpha/linux/simple-timing-ruby/simout Redirecting stderr to build/ALPHA/tests/opt/quick/se/00.hello/alpha/linux/simple-timing-ruby/simerr gem5 Simulator System. http://gem5.org gem5 is copyrighted software; use the --copyright option for details. gem5 compiled Sep 1 2012 13:41:29 gem5 started Sep 1 2012 13:43:15 gem5 executing on doudou.cs.wisc.edu command line: build/ALPHA/gem5.opt -d build/ALPHA/tests/opt/quick/se/00.hello/alpha/linux/simple-timing-ruby -re tests/run.py build/ALPHA/tests/opt/quick/se/00.hello/alpha/linux/simple-timing-ruby Global frequency set at 1000000000 ticks per second info: Entering event queue @ 0. Starting simulation... info: Increasing stack size by one page. Hello world! Exiting @ tick 143853 because target called exit()