Asus A7M266 motherboard (AMD760 chipset), 1.2 GHz AMD Athlon (FSB266)
512 MB DDR SDRAM (2-2-2), Windows NT4/SP6, Compaq Visual Fortran 6.5a,
df -opt:5 -fast -arch:k7 -tune:k7

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 Double precision appears to have 16 digits of accuracy
 Assuming 8 bytes per DOUBLE PRECISION word
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 Array size =   18901234
 Offset     =          0
 The total memory requirement is  432 MB
 You are running each test  10 times
 The *best* time for each test is used
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 Your clock granularity/precision appears to be  10000 microseconds
 The tests below will each take a time on the order 
 of       230000 microseconds
    (=           23 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.
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Function     Rate (MB/s)  RMS time   Min time  Max time
Copy:        945.0617      0.3271      0.3200      0.3400
Scale:       916.4235      0.3310      0.3300      0.3400
Add:         986.1514      0.4610      0.4600      0.4700
Triad:       907.2593      0.5000      0.5000      0.5000
 Sum of a is =   2.179880794155460E+019
 Sum of b is =   4.359761588853745E+018
 Sum of c is =   5.813015448553570E+018