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Tests - Refine test cases for microbenchmark (#268)  
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NetworkLoad Tests v1.3
  Test with 10 MPI ranks (10 nodes)
  2 nodes running Network Tests
  8 nodes running Congestion Tests (min 100 nodes per congestor)

  Legend
   RR = random ring communication pattern
   Lat = latency
   BW = bandwidth
   BW+Sync = bandwidth with barrier
+------------------------------------------------------------------------------------------------------------------------------------------+
|                                                          Isolated Network Tests                                                          |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|                            Name |          Min |          Max |          Avg |   Avg(Worst) |          99% |        99.9% |        Units |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|          RR Two-sided Lat (8 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |         usec |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
| RR Two-sided BW+Sync (131072 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|        Multiple Allreduce (8 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |         usec |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+

+------------------------------------------------------------------------------------------------------------------------------------------+
|                                                        Isolated Congestion Tests                                                         |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|                            Name |          Min |          Max |          Avg |   Avg(Worst) |          99% |        99.9% |        Units |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|               Alltoall (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|       Two-sided Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|             Put Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|              Get Bcast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+

+------------------------------------------------------------------------------------------------------------------------------------------+
|                             Network Tests running with Congestion Tests (    RR Two-sided Lat Network Test)                              |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|                            Name |          Min |          Max |          Avg |   Avg(Worst) |          99% |        99.9% |        Units |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|          RR Two-sided Lat (8 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |         usec |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|               Alltoall (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|       Two-sided Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|             Put Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|              Get Bcast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+

+------------------------------------------------------------------------------------------------------------------------------------------+
|                             Network Tests running with Congestion Tests (RR Two-sided BW+Sync Network Test)                              |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|                            Name |          Min |          Max |          Avg |   Avg(Worst) |          99% |        99.9% |        Units |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
| RR Two-sided BW+Sync (131072 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|               Alltoall (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|       Two-sided Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|             Put Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|              Get Bcast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+

+------------------------------------------------------------------------------------------------------------------------------------------+
|                             Network Tests running with Congestion Tests (  Multiple Allreduce Network Test)                              |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|                            Name |          Min |          Max |          Avg |   Avg(Worst) |          99% |        99.9% |        Units |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|        Multiple Allreduce (8 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |         usec |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|               Alltoall (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|       Two-sided Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|             Put Incast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+
|              Get Bcast (4096 B) |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |      10000.0 |   MiB/s/rank |
+---------------------------------+--------------+--------------+--------------+--------------+--------------+--------------+--------------+

+------------------------------------------------------------------------------+
|          Network Tests running with Congestion Tests - Key Results           |
+---------------------------------+--------------------------------------------+
|                            Name |                   Congestion Impact Factor |
+---------------------------------+----------------------+---------------------+
|                                 |                  Avg |                 99% |
+---------------------------------+----------------------+---------------------+
|          RR Two-sided Lat (8 B) |                 0.0X |                0.0X |
+---------------------------------+----------------------+---------------------+
| RR Two-sided BW+Sync (131072 B) |                 0.0X |                0.0X |
+---------------------------------+----------------------+---------------------+
|        Multiple Allreduce (8 B) |                 0.0X |                0.0X |
+---------------------------------+----------------------+---------------------+