lkml.org 
[lkml]   [2002]   [Oct]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
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].

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:30    [from the cache]
©2003-2011 Jasper Spaans