After some improvements to the code generator, LuaJIT git HEAD now wins on all SciMark sub-benchmarks:
ARM11 SciMark SMALL | FFT SOR MC SPARSE LU
-----------------------+---------------------------------------
LuaJIT git 4.48*| 2.73* 6.93* 3.96* 3.44* 5.36*
Dalvik 1.2.0+JIT 3.35 | 2.35 5.65 1.09 3.39 4.27