add perf script

Link: https://github.com/GeneAssembly/biosal/issues/326
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
run perf on code

Link: https://github.com/GeneAssembly/biosal/issues/326
Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>