HP Superdome (750MHz PA-8700) 64-way Stream

From: Kirby Collins (kcollins@rsn.hp.com)
Date: Fri Sep 21 2001 - 16:15:30 CDT

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    attached are Stream results for a Superdome with:

    16 cells (in a single partition)
    64 cpus (fully populated, 4 cpus/cell)
    256GB of memory (fully populated with 512MB DIMMs)
    750MHz PA-8700 cpus
    running HP-UX 11i, September 2001 patch bundle

    run Mon Sep 17 12:34:49 CDT 2001
    modifications to stream source
    ------------------------------
    63c63
    < PARAMETER (n=2000000,offset=0,ndim=n+offset,ntimes=10)

    ---
    >       PARAMETER (n=53477816,offset=0,ndim=n+offset,ntimes=10)
    88c88
    < *     COMMON a,b,c
    ---
    >       COMMON a,b,c
    

    output from make ---------------- 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 stream_d.f program STREAM external function REALSIZE external subroutine CONFUSE external function CHECKTICK external subroutine CHECKSUMS

    413 Lines Compiled

    output from execution: ---------------------------------------------- Double precision appears to have 16 digits of accuracy Assuming 8 bytes per DOUBLE PRECISION word ---------------------------------------------- Array size = 53477816 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: 25762.3388 0.0338 0.0332 0.0359 Scale: 21769.9131 0.0403 0.0393 0.0409 Add: 25675.0079 0.0504 0.0500 0.0509 Triad: 26549.2231 0.0488 0.0483 0.0501 ---------------------------------------------------- Solution Validates! ----------------------------------------------------



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