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From: Allan Menezes (amenezes007_at_[hidden])
Date: 2005-11-15 07:10:31


Hi Jeff,

 Here are last night's reults of the following command on my 15 node
cluster. One node is down from 16.
mpirun --mca pml teg --mca btl_tcp_if_include eth1,eth0 --hostfile aa
-np 15 ./xhpl
No errors were spewed out to stdout as per my previous post when using
btl tcp and btl_tcp_if_include eth1
However both tests with pml teg and btl tcp ran to completion with no
errors, but the pml teg switch gives slightly(marginally) better
performance.
Here is the HPL1.out for the above mpirun command listed:

============================================================================
HPLinpack 1.0a -- High-Performance Linpack benchmark -- January 20,
2004
Written by A. Petitet and R. Clint Whaley, Innovative Computing Labs., UTK
============================================================================

An explanation of the input/output parameters follows:
T/V : Wall time / encoded variant.
N : The order of the coefficient matrix A.
NB : The partitioning blocking factor.
P : The number of process rows.
Q : The number of process columns.
Time : Time in seconds to solve the linear system.
Gflops : Rate of execution for solving the linear system.

The following parameter values will be used:

N : 25920
NB : 120
PMAP : Row-major process mapping
P : 3
Q : 5
PFACT : Left Crout Right
NBMIN : 2 4
NDIV : 2
RFACT : Left Crout Right
BCAST : 1ring
DEPTH : 0
SWAP : Mix (threshold = 64)
L1 : transposed form
U : transposed form
EQUIL : yes
ALIGN : 8 double precision words

----------------------------------------------------------------------------

- The matrix A is randomly generated for each test.
- The following scaled residual checks will be computed:
   1) ||Ax-b||_oo / ( eps * ||A||_1 * N )
   2) ||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 )
   3) ||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo )
- The relative machine precision (eps) is taken to be 1.110223e-16
- Computational tests pass if scaled residuals are less than 16.0

============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00L2L2 25920 120 3 5 529.79 2.192e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0128599 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0185612 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0037747 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00L2L4 25920 120 3 5 532.56 2.180e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0117992 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0170302 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0034634 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00L2C2 25920 120 3 5 534.56 2.172e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.9834234 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 1.4194125 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.2886629 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00L2C4 25920 120 3 5 540.77 2.147e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0121362 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0175166 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0035623 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00L2R2 25920 120 3 5 539.15 2.154e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0117731 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0169925 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0034557 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00L2R4 25920 120 3 5 533.87 2.175e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0109683 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0158310 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0032195 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00C2L2 25920 120 3 5 537.89 2.159e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0128599 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0185612 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0037747 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00C2L4 25920 120 3 5 533.54 2.176e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0117992 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0170302 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0034634 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00C2C2 25920 120 3 5 538.54 2.156e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0128599 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0185612 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0037747 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00C2C4 25920 120 3 5 534.37 2.173e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0121362 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0175166 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0035623 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00C2R2 25920 120 3 5 539.73 2.151e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0117731 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0169925 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0034557 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00C2R4 25920 120 3 5 533.93 2.175e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0109683 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0158310 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0032195 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00R2L2 25920 120 3 5 534.67 2.172e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0128599 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0185612 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0037747 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00R2L4 25920 120 3 5 537.47 2.160e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0117992 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0170302 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0034634 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00R2C2 25920 120 3 5 531.71 2.184e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0128599 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0185612 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0037747 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00R2C4 25920 120 3 5 531.03 2.186e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0121362 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0175166 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0035623 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00R2R2 25920 120 3 5 532.63 2.180e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0117731 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0169925 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0034557 ...... PASSED
============================================================================
T/V N NB P Q Time Gflops
----------------------------------------------------------------------------
WR00R2R4 25920 120 3 5 530.89 2.187e+01
----------------------------------------------------------------------------
||Ax-b||_oo / ( eps * ||A||_1 * N ) = 0.0109683 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_1 * ||x||_1 ) = 0.0158310 ...... PASSED
||Ax-b||_oo / ( eps * ||A||_oo * ||x||_oo ) = 0.0032195 ...... PASSED
============================================================================

Finished 18 tests with the following results:
             18 tests completed and passed residual checks,
              0 tests completed and failed residual checks,
              0 tests skipped because of illegal input values.
----------------------------------------------------------------------------

End of Tests.
============================================================================

Thank you,
Best Wishes,
Allan