athlon

From: Claus Jeppesen (jeppesen@mrl.ucsb.edu)
Date: Thu Oct 14 1999 - 23:10:42 CDT


Hi John,

A result for your streams table.

Thanx,

Claus Jeppesen

Computer: Polywell 800K7
CPU: 600Mhz AMD K7 (Athlon)
Memory: 256MB PC100 RAM
Compiler: Portland Group - pgf77 -fast streams_d.f

I used the version of second_cpu.f which implies etime(...) - results from
time and streams_d.f :

----------------------------------------------
 Double precision appears to have 16 digits of accuracy
 Assuming 8 bytes per DOUBLE PRECISION word
----------------------------------------------
 Array size = 8000000
 Offset = 0
 The total memory requirement is 183 MB
 You are running each test 10 times
 The *best* time for each test is used
 ----------------------------------------------------
 Your clock granularity/precision appears to be 10000 microseconds
 The tests below will each take a time on the order
 of 220000 microseconds
    (= 22 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) RMS time Min time Max time
Copy: 387.8788 0.3390 0.3300 0.3400
Scale: 474.0741 0.2700 0.2700 0.2700
Add: 480.0000 0.4061 0.4000 0.4200
Triad: 468.2927 0.4150 0.4100 0.4200
 Sum of a is = 9.2264062494077470E+018
 Sum of b is = 1.8452812500593927E+018
 Sum of c is = 2.4603749999959350E+018

15.690u 0.870s 0:17.11 96.7% 0+0k 0+0io 103pf+0w



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