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Old 07-26-2004, 01:05 PM   #1
qwijibow
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Is it an ATHLON, or ATHLON-THUNDERBIRD ?


as far as i know... my CPU was just a plain old Athlon.
but i noticed somthing in mplayer (when i compiled it from source)

mplayer printed my CPU as an Athlon thunderbird.

now im installing Gentoo from source, i need to know what i have for correct optimisations.

my /proc/cpuinfo doesnt say anything about thunderbird.
but from what ive reead, a thunderbird has more cach than a plain athlon. and my cpu does have the same amount of L2 as the thunderbird is descriped... anyways, how do i find out ?

here is my cpuinfo

Code:
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 4
model name      : AMD Athlon(tm) Processor
stepping        : 4
cpu MHz         : 1327.713
cache size      : 256 KB
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 syscall mmxext 3dnowext 3dnow
bogomips        : 2647.65
 
Old 07-26-2004, 02:54 PM   #2
oneandoneis2
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Take a look at the output of DMESG for a section like this:
Code:
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 512K (64 bytes/line)
CPU:     After generic, caps: 0383fbff c1c3fbff 00000000 00000000
CPU:             Common caps: 0383fbff c1c3fbff 00000000 00000000
CPU: AMD Athlon(tm) XP 2500+ stepping 00
 
Old 07-26-2004, 03:26 PM   #3
qwijibow
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i get

Code:
knoppix@ttyp1[knoppix]$ dmesg | grep CPU
Initializing CPU#0
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
CPU:     After generic, caps: 0183fbff c1c7fbff 00000000 00000000
CPU:             Common caps: 0183fbff c1c7fbff 00000000 00000000
CPU: L1 I Cache: 64K (64 bytes/line), D cache 64K (64 bytes/line)
CPU: L2 Cache: 256K (64 bytes/line)
CPU:     After generic, caps: 0183fbff c1c7fbff 00000000 00000000
CPU:             Common caps: 0183fbff c1c7fbff 00000000 00000000
CPU0: AMD Athlon(tm) Processor stepping 04
per-CPU timeslice cutoff: 731.48 usecs.
enabled ExtINT on CPU#0
..... CPU clock speed is 1327.7792 MHz.
CPU0<T0:2655552,T1:1327760,D:13,S:1327779,C:2655558>
im assuming the term thunderbir does not showup in cpuinfo or dmesg.
so what am i looking for ?
 
Old 07-26-2004, 03:45 PM   #4
JustOl'Bob
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Doublechecked my machines and my cpuinfo is identical to yours for my poor plain ol' Athalon (pre XP, runs hot as hell). My other machine reports that cpu as an Athalon XP.
 
Old 07-26-2004, 03:48 PM   #5
JustOl'Bob
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BTW, both machines report 256K caches and the Athalon is a 'model 4' too. I'd forget about the T-bird.
 
Old 07-27-2004, 06:33 AM   #6
qwijibow
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lol.. yeah, i thought it probably wasnt a t-bird... but mplayers (miss)autoconfiguation decided it was... thought it was worth checking out.
 
  


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