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тАО03-08-2006 02:16 AM
тАО03-08-2006 02:16 AM
Thanks
Solved! Go to Solution.
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тАО03-08-2006 02:24 AM
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тАО03-08-2006 02:34 AM
тАО03-08-2006 02:34 AM
Re: Dual-Core CPU's
Do the foll:
cat /proc/cpuinfo
It will list the no. of cpu's, speed etc.
Cheers
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тАО03-09-2006 03:29 AM
тАО03-09-2006 03:29 AM
Re: Dual-Core CPU's
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тАО04-06-2006 09:50 AM
тАО04-06-2006 09:50 AM
Re: Dual-Core CPU's
Thanks
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тАО04-06-2006 10:35 AM
тАО04-06-2006 10:35 AM
Re: Dual-Core CPU's
[root@vader root]# cat /proc/cpuinfo
processor : 0
vendor : GenuineIntel
arch : IA-64
family : Itanium 2
model : 2
revision : 2
archrev : 0
features : branchlong
cpu number : 0
cpu regs : 4
cpu MHz : 1599.705144
itc MHz : 1599.705144
BogoMIPS : 2390.75
siblings : 1
processor : 1
vendor : GenuineIntel
arch : IA-64
family : Itanium 2
model : 2
revision : 2
archrev : 0
features : branchlong
cpu number : 0
cpu regs : 4
cpu MHz : 1599.705144
itc MHz : 1599.705144
BogoMIPS : 2390.75
siblings : 1
processor : 2
vendor : GenuineIntel
arch : IA-64
family : Itanium 2
model : 2
revision : 2
archrev : 0
features : branchlong
cpu number : 0
cpu regs : 4
cpu MHz : 1599.705144
itc MHz : 1599.705144
BogoMIPS : 2390.75
siblings : 1
processor : 3
vendor : GenuineIntel
arch : IA-64
family : Itanium 2
model : 2
revision : 2
archrev : 0
features : branchlong
cpu number : 0
cpu regs : 4
cpu MHz : 1599.705144
itc MHz : 1599.705144
BogoMIPS : 2390.75
siblings : 1
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тАО04-06-2006 10:50 AM
тАО04-06-2006 10:50 AM
Re: Dual-Core CPU's
But I cannot see any "siblings 2", as described by Bill.
Is this a single dual-core CPU system with Hyper-threading? Or a single 4-core CPU with no Hyper-threading? How can we differentiate them?
Thanks.
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тАО04-06-2006 10:52 AM
тАО04-06-2006 10:52 AM
Re: Dual-Core CPU's
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тАО04-06-2006 10:56 AM
тАО04-06-2006 10:56 AM
Re: Dual-Core CPU's
Thanks.
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тАО04-06-2006 11:19 AM
тАО04-06-2006 11:19 AM
Re: Dual-Core CPU's
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 1
cpu MHz : 3015.840
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc pni monitor ds_cpl cid xtpr
bogomips : 6039.01
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 1
cpu MHz : 3015.840
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc pni monitor ds_cpl cid xtpr
bogomips : 6030.22
'siblings' is set to 2 here, whilst 'physical id' is set to 0 for both. I've not seen a 'cpuinfo' output for one of the new dual-core intel x86-based CPU's, and I'm pretty sure Itanium's don't use 'Hyper threading', so..
In any case, as can be seen from Ivan's output, there are no 'physical id's involved with Itanium systems.
(aside: HP have a 16-way Itanium-2 system running RHAS4 up on testdrive! Woo!)