Benchmark results of basic vector/matrix ops


Operation

PPro 200

PII 300

Vector dot product, 1000 elements

1.06 sec (19 Mflops)

0.080 sec (250 Mflops)

Matrix-vector multiply, 50 elements

5.35 sec (19 Mflops)

0.90 sec (111 Mflops)

Matrix multiply, 100x100, unrolled

4.55 sec (22 Mflops)

1.08 sec (93 Mflops)

Trigonometric function calls

2.76 sec --

1.84 sec --

Scalar times vector, 1000 elements

3.16 sec (32 Mflops)

0.70 sec (143 Mflops)

Scalar times vector, 10 elements

3.55 sec (28 Mflops)

0.46 sec (217 Mflops)

 

Compiled with Absoft native f77 compiler (the Absoft compiler is ~35% faster than gnu g77).

All benchmarks run in double precision.

 
 
 
Herbert W. Hamber 10/16/1997