Window, msys

Test: ode-benchmark
* C (-march=i686 -O2 -fomit-frame-pointer), 0m2.192s
* LuaJIT2, 0m0.950s
* LuaJIT2 (-joff), 0m22.270s
* LuaJIT2 (-O0), 0m3.551s
* LuaJIT2 (-O3), 0m0.810s

Test: ode-benchmark-rk8pd
* C (-march=i686 -O2 -fomit-frame-pointer), 0m1.449s
* LuaJIT2, 0m0.732s
* LuaJIT2 (-joff), 0m10.408s
* LuaJIT2 (-O0), 0m1.730s
* LuaJIT2 (-O3), 0m0.748s
