./bin/rbx -Xvm.gil.debug mspec/bin/mspec-ci -f spec
91.511931 seconds
91.852975 seconds
93.384271 seconds

./bin/rbx mspec/bin/mspec-ci -f spec
186.356939 seconds
190.946377 seconds
185.048404 seconds

./bin/rbx mspec/bin/mspec-ci 
224.330286 seconds
140.573155 seconds
147.024295 seconds
302.515197 seconds