benchmarks are from http://wiki.sagemath.org/symbench

-- SETUP --
to call sage from the bench.sh program, it has to be in the $PATH variable
set PATH="path/where/sage/program/is/installed:$PATH" in .profile file in your home directory


-- RUNNING BENCHMARK --
./bench.sh 


-- OUTPUT --
results.log - running time
errors.log  - errors

-- TODO --
Run in multiple threads