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Cray T90

by streeter last modified 2007-03-30 04:12
Cray UNICOS machines have a hardware performance monitor (hpm), which gives the number of floating point operations per CPU second (FLOPS) performed by a given process.

All routines were compiled with: cft77 -ez
 
GRID: 32 x 32 x 32 per processor (tile) (10 steps) 
 Processors tused(s) Zone-Cycles/sec   MFLOPS   C90s  Speedup   Processor 
    1         1.89       171032        156.40   1.42    1.00      1.00 
 
GRID: 64 x 64 x 64 per processor (tile) (10 steps) 
 Processors tused(s) Zone-Cycles/sec   MFLOPS   C90s  Speedup   Processor 
    1         9.15       280357        222.54   1.47     1.00     1.00 
 
GRID:128 x 64 x 64 per processor (tile) (10 steps) 
 Processors tused(s) Zone-Cycles/sec   MFLOPS   C90s  Speedup   Processor 
    1        16.37       312858        243.52   1.49    1.00      1.00 


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