bsw-1 7# ./stream
100149D8
10F56DD8
11E991D8
----------------------------------------------
Double precision appears to have 16 digits of accuracy
Assuming 8 bytes per DOUBLE PRECISION word
----------------------------------------------
Array size = 2000000
Offset = 0
The total memory requirement is 45 MB
You are running each test 10 times
The *best* time for each test is used
----------------------------------------------------
Your clock granularity/precision appears to be 4 microseconds
The tests below will each take a time on the order
of 90731 microseconds
(= 22683 clock ticks)
Increase the size of the arrays if this shows that
you are not getting at least 20 clock ticks per test.
----------------------------------------------------
WARNING -- The above is only a rough guideline.
For best results, please be sure you know the
precision of your system timer.
----------------------------------------------------
Function Rate (MB/s) Min time Max time Mean time RMS time Median
Copy: 290.99 0.1100 0.1130 0.1125 0.1125 0.1128
Scale: 304.66 0.1050 0.1173 0.1160 0.1161 0.1172
Add: 320.37 0.1498 0.1501 0.1500 0.1500 0.1499
Triad: 319.05 0.1504 0.1506 0.1506 0.1506 0.1505
-----------------------------------------------------------------------------
Sum of a is = 115330078125.0000
Sum of b is = 23066015625.00000
Sum of c is = 30754687500.00000
a(1),a(n) = 1153300781250.000 1153300781250.000
b(1),b(n) = 230660156250.0000 230660156250.0000
c(1),c(n) = 307546875000.0000 307546875000.0000
-- -- John D. McCalpin, Ph.D. Server System Architect Server Platform Engineering http://reality.sgi.com/mccalpin/ Silicon Graphics, Inc. mccalpin@sgi.com 650-933-7407
This archive was generated by hypermail 2b29 : Tue Apr 18 2000 - 05:23:07 CDT