Stream results for HP Integrity rx2660 with the zx2 chipset, and 1.6Ghz/18MB
Dual-Core Intel(R) Itanium(R) 2 processors, running HP-UX 11.23:
1.6GHz/18MB Dual-Core Intel Itanium 2
8GB memory (4x2GB DIMMs)
HP-UX 11.23.0609, HP f90 11.23.32
---------------------------------------------------------
Function Rate (MB/s) Avg time Min time Max time
Copy: 4809.0924 0.1066 0.1065 0.1068
Scale: 4794.4055 0.1069 0.1068 0.1070
Add: 5579.8372 0.1377 0.1376 0.1378
Triad: 5595.4412 0.1373 0.1373 0.1374
The runs used the v5.6 f90 version of the stream benchmark, with the
following changes:
96,97c96,97
< INTEGER n,offset,ndim,ntimes
< PARAMETER (n=2000000,offset=0,ndim=n+offset,ntimes=10)
--- > INTEGER*8 n,offset,ndim,ntimes > PARAMETER (n=32001752,offset=0,ndim=n+offset,ntimes=10) 106c106 < INTEGER bytes(4) --- > INTEGER*8 bytes(4) 124c124 < * COMMON a,b,c --- > COMMON a,b,c 245c245 < 9020 FORMAT (1x,a,i4,a) --- > 9020 FORMAT (1x,a,i6,a) compiled as follows: f90 -o stream_d.uni +Ofaster +DSitanium2 +DD64 +extend_source +autodbl4 +noppu -Wl,+pd,64M +Onoopenmp stream.uni.f mysecond.o stream.uni.f Here is the output: ---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- ---------------------------------------------- STREAM Version $Revision: 5.6 $ ---------------------------------------------- Array size = 32001752 Offset = 0 The total memory requirement is 732 MB You are running each test 10 times -- The *best* time for each test is used *EXCLUDING* the first and last iterations ---------------------------------------------- ---------------------------------------------- Printing one line per active thread.... ---------------------------------------------------- Your clock granularity/precision appears to be 2 microseconds ---------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 4809.0924 0.1066 0.1065 0.1068 Scale: 4794.4055 0.1069 0.1068 0.1070 Add: 5579.8372 0.1377 0.1376 0.1378 Triad: 5595.4412 0.1373 0.1373 0.1374 ---------------------------------------------------- Solution Validates! ----------------------------------------------------Received on Tue Feb 13 19:13:54 2007
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