Move timer calls inside MPI init & finalize
Move timer calls inside MPI init & finalize

TuckermanGroup/PINY,TuckermanGroup/PINY,TuckermanGroup/PINY,yuhangwang/PINY,yuhangwang/PINY,yuhangwang/PINY,TuckermanGroup/PINY,TuckermanGroup/PINY,yuhangwang/PINY