attached are Stream results for an rp8400 with:
4 cells (in a single partition)
16 cpus (fully populated with 4 cpus/cell)
32GB of memory (fully populated with 512MB DIMMs)
750MHz PA-8700 cpus
running HP-UX 11i, September 2001 patch bundle
compiled with fortran90 in 64 bit mode as follows:
f90 -o stream_d.mp +extend_source +autodbl4 +DA2.0W +noppu +DS2.0 +O3 -Wl,+pd,L -Wl,-aarchive +Oparallel stream_d.f second_wall.o
and source modified to adjust array size and put arrays in COMMON:
63c63
< PARAMETER (n=2000000,offset=0,ndim=n+offset,ntimes=10)
--- > PARAMETER (n=53477800,offset=0,ndim=n+offset,ntimes=10) 88c88 < * COMMON a,b,c --- > COMMON a,b,c---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Array size = 53477800 Offset = 0 The total memory requirement is 1224 MB You are running each test 10 times -- The *best* time for each test is used *EXCLUDING* the first and last iterations ---------------------------------------------------- Your clock granularity/precision appears to be 2 microseconds ---------------------------------------------------- Function Rate (MB/s) Avg time Min time Max time Copy: 6125.1793 0.1401 0.1397 0.1406 Scale: 6044.2254 0.1422 0.1416 0.1428 Add: 6541.0939 0.1971 0.1962 0.1988 Triad: 6580.1958 0.1954 0.1951 0.1962 ---------------------------------------------------- Solution Validates! ----------------------------------------------------
This archive was generated by hypermail 2b29 : Wed Oct 31 2001 - 11:26:48 CST