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    SubjectRe: [CFT] faster athlon/duron memory copy implementation

    on a DUAL Athlon 2100+ (2GB RAM, kernel 2.4.19):

    I get:

    Athlon test program $Id: fast.c,v 1.6 2000/09/23 09:05:45 arjan Exp $

    copy_page() tests
    copy_page function 'warm up run' took 21467 cycles per page
    copy_page function '2.4 non MMX' took 24583 cycles per page
    copy_page function '2.4 MMX fallback' took 24534 cycles per page
    copy_page function '2.4 MMX version' took 21312 cycles per page
    copy_page function 'faster_copy' took 12060 cycles per page
    copy_page function 'even_faster' took 12152 cycles per page
    copy_page function 'no_prefetch' took 10587 cycles per page


    copy_page() tests
    copy_page function 'warm up run' took 21458 cycles per page
    copy_page function '2.4 non MMX' took 24592 cycles per page
    copy_page function '2.4 MMX fallback' took 24585 cycles per page
    copy_page function '2.4 MMX version' took 21334 cycles per page
    copy_page function 'faster_copy' took 12090 cycles per page
    copy_page function 'even_faster' took 12146 cycles per page
    copy_page function 'no_prefetch' took 10583 cycles per page


    copy_page() tests
    copy_page function 'warm up run' took 21433 cycles per page
    copy_page function '2.4 non MMX' took 24557 cycles per page
    copy_page function '2.4 MMX fallback' took 24570 cycles per page
    copy_page function '2.4 MMX version' took 21331 cycles per page
    copy_page function 'faster_copy' took 12039 cycles per page
    copy_page function 'even_faster' took 12126 cycles per page
    copy_page function 'no_prefetch' took 10576 cycles per page



    processor : 0
    vendor_id : AuthenticAMD
    cpu family : 6
    model : 6
    model name : AMD Athlon(tm) Processor
    stepping : 2
    cpu MHz : 1733.362
    cache size : 256 KB
    Physical processor ID : 0
    Number of siblings : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 1
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
    cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
    bogomips : 3432.80

    processor : 1
    vendor_id : AuthenticAMD
    cpu family : 6
    model : 6
    model name : AMD Athlon(tm) Processor
    stepping : 2
    cpu MHz : 1733.362
    cache size : 256 KB
    Physical processor ID : 0
    Number of siblings : 1
    fdiv_bug : no
    hlt_bug : no
    f00f_bug : no
    coma_bug : no
    fpu : yes
    fpu_exception : yes
    cpuid level : 1
    wp : yes
    flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
    cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow
    bogomips : 3466.21


    CI devices found:
    Bus 0, device 0, function 0:
    Host bridge: Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] System
    Controller (rev 17).
    Master Capable. Latency=64.
    Prefetchable 32 bit memory at 0xf8000000 [0xfbffffff].
    Prefetchable 32 bit memory at 0xf6200000 [0xf6200fff].
    I/O at 0x1810 [0x1813].
    Bus 0, device 1, function 0:
    PCI bridge: Advanced Micro Devices [AMD] AMD-760 MP [IGD4-2P] AGP
    Bridge (rev 0).
    Master Capable. Latency=64. Min Gnt=4.
    Bus 0, device 7, function 0:
    ISA bridge: Advanced Micro Devices [AMD] AMD-768 [Opus] ISA (rev 5).
    Bus 0, device 7, function 1:
    IDE interface: Advanced Micro Devices [AMD] AMD-768 [Opus] IDE (rev
    4).
    Master Capable. Latency=64.
    I/O at 0xf000 [0xf00f].
    Bus 0, device 7, function 3:
    Bridge: Advanced Micro Devices [AMD] AMD-768 [Opus] ACPI (rev 3).
    Master Capable. Latency=64.
    Bus 0, device 10, function 0:
    SCSI storage controller: Adaptec AIC-7899P U160/m (rev 1).
    IRQ 10.
    Master Capable. Latency=72. Min Gnt=40.Max Lat=25.
    I/O at 0x1000 [0x10ff].
    Non-prefetchable 64 bit memory at 0xf4000000 [0xf4000fff].
    Bus 0, device 10, function 1:
    SCSI storage controller: Adaptec AIC-7899P U160/m (#2) (rev 1).
    IRQ 11.
    Master Capable. Latency=72. Min Gnt=40.Max Lat=25.
    I/O at 0x1400 [0x14ff].
    Non-prefetchable 64 bit memory at 0xf4001000 [0xf4001fff].
    Bus 0, device 16, function 0:
    PCI bridge: Advanced Micro Devices [AMD] AMD-768 [Opus] PCI (rev 5).
    Master Capable. Latency=99. Min Gnt=12.
    Bus 2, device 0, function 0:
    USB Controller: Advanced Micro Devices [AMD] AMD-768 [Opus] USB (rev
    7).
    IRQ 10.
    Master Capable. Latency=64. Max Lat=80.
    Non-prefetchable 32 bit memory at 0xf4100000 [0xf4100fff].
    Bus 2, device 7, function 0:
    VGA compatible controller: ATI Technologies Inc Rage XL (rev 39).
    Master Capable. Latency=66. Min Gnt=8.
    Non-prefetchable 32 bit memory at 0xf5000000 [0xf5ffffff].
    I/O at 0x2000 [0x20ff].
    Non-prefetchable 32 bit memory at 0xf4101000 [0xf4101fff].
    Bus 2, device 8, function 0:
    Ethernet controller: 3Com Corporation 3c980-TX 10/100baseTX NIC
    [Python-T] (rev 120).
    IRQ 5.
    Master Capable. Latency=80. Min Gnt=10.Max Lat=10.
    I/O at 0x2400 [0x247f].
    Non-prefetchable 32 bit memory at 0xf4102000 [0xf410207f].
    Bus 2, device 9, function 0:
    Ethernet controller: 3Com Corporation 3c980-TX 10/100baseTX NIC
    [Python-T] (#2) (rev 120).
    IRQ 9.
    Master Capable. Latency=80. Min Gnt=10.Max Lat=10.
    I/O at 0x2480 [0x24ff].
    Non-prefetchable 32 bit memory at 0xf4102400 [0xf410247f].


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