CCM/MP-2D AlphaSC-500 Performance Analysis

Performance Studies using

CCM/MP-2D

Compaq AlphaServer SC CCM/MP-2D
Performance Analysis

Date/Person: November 8, 1999 / P. Worley
Platform: Compaq AlphaServer SC at Compaq (fsehpc):
     16 ES40 4-way SMP nodes (500 MHz Alpha 21264 with 4MB L2 cache)
Environment: Digital UNIX V5.0;   RMS 2.32
Compilation Options: f90 -O4 -assume accuracy_sensitive -math_library accurate -align dcommons -align records -arch host -tune host
Math Library: DXML
Communication Library: MPI
Problem Size: T42L18
Number of Timesteps: 719
Results:

Optimal Algorithms
processorsminalgorithmaspect rationmapping
  1    3.6897e+02   t1    1 x 1    -  
  2    1.9478e+02   t1    1 x 2    -  
  4    1.1358e+02   d0    1 x 4    -  
  8    5.7320e+01   t0    1 x 8    -  
  16    3.2142e+01   t2    1 x 16    -  
  32    1.8871e+01   d0    2 x 16    +1  

Patrick H. Worley / ( worleyph@ornl.gov)
Last Modified Monday, 15-Jul-2002 10:03:34 EDT.