Dear Libmesh Developers,

Recently, I use the new SVN libmesh (downloaded in about November) for my
application. When I tried to increase the number of CPU to observe the
parallel performance with adaptive mesh evolution. I find that Functions:
MeshCommunication: find_global_indices( ) and Parallel:probe( ) spend most
of the whole cost time. Further, the cost time is not stable. For example,

CPUs total time   time of find_global_indices() time of probe()
 2         6473.0            5389.0                            0.0767
 3         5337.0            4843.0                            12.73
 4         1341.0            921.0                              18.64
 5         2959.0          2299.0                              179.7
 6         3071.0          622.4                                2035.4

I am using X86_64 Cluster. Could you give me some advice? Thanks a lot.

Regards,
Yujie
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