STREAM results for IBM Power 595 (5.0 GHz, POWER6)

These are standard STREAM results on an IBM Power 595
with sixty-four 5.0 GHz cores. This is a POWER6 SMP machine.
Large pages were used in all cases.

Function Rate (MB/s) Avg time Min time Max time
Copy: 679207.1738 .0509 .0506 .0515
Scale: 624707.8380 .0554 .0550 .0557
Add: 777334.8234 .0664 .0663 .0666
Triad: 805804.6461 .0640 .0640 .0640

Here is the full output file:
--------------------------------------------------
 Requesting LARGE pages
 Running TRIAD kernel
 Setting up for 64 chips
 Setting up for 64 threads
 Number of segments per array = 64
 Reading cpu binding list for page placement
 DATA binding list : 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 32 3
3 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57
58 59 60 61 62 63
 Beginning allocation of data segments....
GETSHRSEG: requesting large pages
GETSHRSEG ENTRY: shmgetflag -2147481216

 Starting Initialization
 Done With Initialization
 a(1) 1.00000000000000000
 a(M) 1.00000000000000000
 b(1) 1.00000000000000000
 b(M) 1.00000000000000000
 c(1) 1.00000000000000000
 c(M) 1.00000000000000000

 Moff = 75775
 Incremental Offset = 706
 504403158265495552 504403175445370376 504403192625245208
----------------------------------------------
 Double precision appears to have 16 digits of accuracy
 Assuming 8 bytes per DOUBLE PRECISION word
----------------------------------------------
 Array size = 2147407873
 The total memory requirement is 49150 MB
 You are running each test 5 times
 --
 The *best* time for each test is used
 *EXCLUDING* the first and last iterations
 ----------------------------------------------------
 Your clock granularity appears to be less than one microsecond
 Your clock granularity/precision appears to be 1 microseconds
 ----------------------------------------------------
Function Rate (MB/s) Avg time Min time Max time
Copy: 679207.1738 .0509 .0506 .0515
Scale: 624707.8380 .0554 .0550 .0557
Add: 777334.8234 .0664 .0663 .0666
Triad: 805804.6461 .0640 .0640 .0640
 ----------------------------------------------------
 Solution Validates!
 ----------------------------------------------------
Received on Mon Apr 07 21:45:36 2008