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    SubjectRe: x86, ARM, PARISC, PPC, MIPS and Sparc folks please run this
    On Fri, Aug 29, 2003 at 06:35:10AM +0100, Jamie Lokier wrote:
    > I'd appreciate if folks would run the program below on various
    > machines, especially those whose caches aren't automatically coherent
    > at the hardware level.

    Results for Alpha, IA64, MIPS, ARM, PARISC, PPC, MIPSEL, X86, SPARC

    If you care, I also have freebsd (v2, v3, v4), netbsd 1.5, openbsd 3.0 (all
    bsd systems are x86, mostly celerons), hpux 10.20, sco, solaris, solaris/x86,
    Irix, MacOS X, AIX, Tru64 and probably some others.

    ====== alpha.bitmover.com ======
    Test separation: 8192 bytes: pass
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: all sizes passed
    Linux alpha.bitmover.com 2.4.21-pre5 #2 Thu Mar 20 07:54:03 PST 2003 alpha unknown
    cpu : Alpha
    cpu model : EV56
    cpu variation : 7
    cpu revision : 0
    cpu serial number :
    system type : EB164
    system variation : PC164
    system revision : 0
    system serial number :
    cycle frequency [Hz] : 500000000
    timer frequency [Hz] : 1024.00
    page size [bytes] : 8192
    phys. address bits : 40
    max. addr. space # : 127
    BogoMIPS : 992.88
    kernel unaligned acc : 0 (pc=0,va=0)
    user unaligned acc : 0 (pc=0,va=0)
    platform string : Digital AlphaPC 164 500 MHz
    cpus detected : 1

    ====== ia64.bitmover.com ======
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: all sizes passed
    Linux ia64.bitmover.com 2.4.9-18smp #1 SMP Tue Dec 11 12:59:00 EST 2001 ia64 unknown
    processor : 0
    vendor : GenuineIntel
    arch : IA-64
    family : Itanium
    model : 0
    revision : 7
    archrev : 0
    features : standard
    cpu number : 0
    cpu regs : 4
    cpu MHz : 799.486992
    itc MHz : 799.486992
    BogoMIPS : 796.91

    processor : 1
    vendor : GenuineIntel
    arch : IA-64
    family : Itanium
    model : 0
    revision : 7
    archrev : 0
    features : standard
    cpu number : 0
    cpu regs : 4
    cpu MHz : 799.486992
    itc MHz : 799.486992
    BogoMIPS : 796.91


    ====== mips.bitmover.com ======
    Test separation: 4096 bytes: FAIL - too slow
    Test separation: 8192 bytes: FAIL - too slow
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: minimum fast spacing: 16384 (4 pages)
    Linux mips 2.4.18-r4k-ip22 #1 Sun Jun 23 15:30:50 CEST 2002 mips unknown
    system type : SGI Indy
    processor : 0
    cpu model : R4000SC V6.0 FPU V0.0
    BogoMIPS : 86.83
    byteorder : big endian
    wait instruction : no
    microsecond timers : yes
    tlb_entries : 48
    extra interrupt vector : no
    hardware watchpoint : yes
    VCED exceptions : 2955114
    VCEI exceptions : 0

    ====== netwinder.bitmover.com ======
    Test separation: 4096 bytes: FAIL - cache not coherent
    Test separation: 8192 bytes: FAIL - cache not coherent
    Test separation: 16384 bytes: FAIL - cache not coherent
    Test separation: 32768 bytes: FAIL - cache not coherent
    Test separation: 65536 bytes: FAIL - cache not coherent
    Test separation: 131072 bytes: FAIL - cache not coherent
    Test separation: 262144 bytes: FAIL - cache not coherent
    Test separation: 524288 bytes: FAIL - cache not coherent
    Test separation: 1048576 bytes: FAIL - cache not coherent
    Test separation: 2097152 bytes: FAIL - cache not coherent
    Test separation: 4194304 bytes: FAIL - cache not coherent
    Test separation: 8388608 bytes: FAIL - cache not coherent
    Test separation: 16777216 bytes: FAIL - cache not coherent
    VM page alias coherency test: failed; will use copy buffers instead
    Linux netwinder 2.2.12-19991020 #1 Wed Oct 20 13:09:07 EDT 1999 armv4l unknown
    Processor : Intel sa110 rev 3
    BogoMips : 262.14
    Hardware : Rebel-NetWinder
    Serial # : 3464
    Revision : 52ff

    ====== parisc.bitmover.com ======
    Test separation: 4096 bytes: FAIL - cache not coherent
    Test separation: 8192 bytes: FAIL - cache not coherent
    Test separation: 16384 bytes: FAIL - cache not coherent
    Test separation: 32768 bytes: FAIL - cache not coherent
    Test separation: 65536 bytes: FAIL - cache not coherent
    Test separation: 131072 bytes: FAIL - cache not coherent
    Test separation: 262144 bytes: FAIL - store buffer not coherent
    Test separation: 524288 bytes: FAIL - store buffer not coherent
    Test separation: 1048576 bytes: FAIL - store buffer not coherent
    Test separation: 2097152 bytes: FAIL - store buffer not coherent
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: minimum fast spacing: 4194304 (1024 pages)
    Linux parisc 2.4.17-64 #1 Sat Mar 16 17:31:44 MST 2002 parisc64 unknown
    processor : 0
    cpu family : PA-RISC 2.0
    cpu : PA8600 (PCX-W+)
    cpu MHz : 550.000000
    model : 9000/800/A500-5X
    model name : Crescendo 550
    hversion : 0x00005d50
    sversion : 0x00000491
    I-cache : 512 KB
    D-cache : 1024 KB (WB)
    ITLB entries : 160
    DTLB entries : 160 - shared with ITLB
    bogomips : 1097.72
    software id : 580790518


    ====== ppc.bitmover.com ======
    Test separation: 4096 bytes: pass
    Test separation: 8192 bytes: pass
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: all sizes passed
    Linux ppc.bitmover.com 2.4.6-pre2 #2 Sun Jun 10 20:21:17 PDT 2001 ppc unknown
    processor : 0
    cpu : 750
    temperature : 0 C
    clock : 333MHz
    revision : 2.2
    bogomips : 665.69
    zero pages : total: 0 (0Kb) current: 0 (0Kb) hits: 0/0 (0%)
    machine : iMac,1
    motherboard : iMac MacRISC Power Macintosh
    L2 cache : 512K unified
    memory : 160MB
    pmac-generation : NewWorld

    ====== qube.bitmover.com ======
    Test separation: 4096 bytes: FAIL - cache not coherent
    Test separation: 8192 bytes: FAIL - cache not coherent
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: minimum fast spacing: 16384 (4 pages)
    0.31user 0.10system 0:00.40elapsed 100%CPU (0avgtext+0avgdata 0maxresident)k
    0inputs+0outputs (116major+34minor)pagefaults 0swaps
    Linux qube.bitmover.com 2.0.34 #1 Thu Jan 28 03:03:03 PST 1999 mips unknown
    cpu : MIPS
    cpu model : Nevada V10.0
    system type : Cobalt Microserver 27
    BogoMIPS : 249.86
    byteorder : little endian
    unaligned accesses : 16
    wait instruction : yes
    microsecond timers : yes
    extra interrupt vector : yes
    hardware watchpoint : no

    ====== redhat71.bitmover.com ======
    Test separation: 4096 bytes: pass
    Test separation: 8192 bytes: pass
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: all sizes passed
    Linux redhat71.bitmover.com 2.4.2-2 #1 Sun Apr 8 20:41:30 EDT 2001 i686 unknown
    processor : 0
    vendor_id : GenuineIntel
    cpu family : 6
    model : 6
    model name : Celeron (Mendocino)
    stepping : 5
    cpu MHz : 467.739
    cache size : 128 KB
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 2
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr
    bogomips : 933.88


    ====== sparc.bitmover.com ======
    Test separation: 8192 bytes: FAIL - cache not coherent
    Test separation: 16384 bytes: pass
    Test separation: 32768 bytes: pass
    Test separation: 65536 bytes: pass
    Test separation: 131072 bytes: pass
    Test separation: 262144 bytes: pass
    Test separation: 524288 bytes: pass
    Test separation: 1048576 bytes: pass
    Test separation: 2097152 bytes: pass
    Test separation: 4194304 bytes: pass
    Test separation: 8388608 bytes: pass
    Test separation: 16777216 bytes: pass
    VM page alias coherency test: minimum fast spacing: 16384 (2 pages)
    0.29user 0.02system 0:00.31elapsed 99%CPU (0avgtext+0avgdata 0maxresident)k
    0inputs+0outputs (107major+36minor)pagefaults 0swaps
    Linux sparc.bitmover.com 2.2.18 #2 Thu Dec 21 18:53:16 PST 2000 sparc64 unknown
    cpu : TI UltraSparc IIi
    fpu : UltraSparc IIi integrated FPU
    promlib : Version 3 Revision 11
    prom : 3.11.12
    type : sun4u
    ncpus probed : 1
    ncpus active : 1
    BogoMips : 539.03
    MMU Type : Spitfire

    --
    ---
    Larry McVoy lm at bitmover.com http://www.bitmover.com/lm
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