Below are single cpu stream results for an HP ProLiant BL20pG3, configured as follows:

HP ProLiant BL20pG3
2x3.6GHz/1M Xeon processors
8GB PC3200 memory (4x2GB DIMMs)
Red Hat Enterprise Linux 3 Update 3

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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 =   45000000
 Offset     =          0
 The total memory requirement is 1029 MB
 You are running each test 100 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:       3600.0000      0.2000      0.2000      0.2000
Scale:      3600.0000      0.2031      0.2000      0.2100
Add:        3857.1429      0.2869      0.2800      0.2900
Triad:      3724.1379      0.2934      0.2900      0.3000
 Sum of a is =   3.659050599255510E+125
 Sum of b is =   7.318101194156921E+124
 Sum of c is =   9.757468262585657E+124


STREAM v4.1
Compiled with Intel Compilers 8.1:

ifort -fpp -xP -parallel -ip -auto_ilp32 streamd.o secondwall.o