Hangzhou Watch, Luxury Watches

2011 October 06
how to view linux and windows system is 32 or 64? Friday, October 15, 2010 8:24 p.m.

, linux system as follows:
1, the system queries
1.1, n @ node1 ~] $ uname-a
Linux node1 2.6.9-78.ELsmp # 1 SMP Wed Jul 9 15:46:26 EDT 2008 x86_64 x86_64 x86_64 GNU / Linux
1.2, n @ node1 ~] $ file / bin / ls
/ bin / ls: ELF 64-bit,
the LSB executable, AMD x86-64, version 1 (SYSV), for GNU / Linux 2.4.0, dynamically linked (uses shared libs), stripped
1.3,
@ node1 ~] $ getconf LONG_BIT
64
2, CPU
n @ node1 ~] $ cat / proc / cpuinfo
processor: 0
vendor_id: AuthenticAMD
cpu
family: 15
model: 65

model name: Dual-Core AMD Opteron ™ Processor 2218 HE
stepping: 3
cpu MHz: 2613.432
the cache size: 1024 KB
physical id: 0
siblings: 2
core id: 0
CPU cores : 2
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 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt rdtscp lm 3dnowext 3dnow pni cx16 lahf_lm
cmp_legacy svm extapic cr8_legacy
bogomips: 5233.60
TLB size: 1088 4K pages
clflush size: 64
cache_alignment: 64
address sizes: 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
“lm” # lm = long
mode, if the contain lm logo to support 64bit
the windows system, method followed by:
1, view the System
Click Start> Run, type “cmd”, and then lost in the command prompt window
into use the systeminfo
If the system is 64, in the “OS Name: Microsoft XP Professional a line clearly marked” x64 Edition “, otherwise, it is 32.
2, the CPU
mouse front of the desktop “My Computer”, right click – Properties – memory information under the “Physical Address Extension” 64 there is no “physical address extension is 32.
other way there?
1 point
strike the Start> Run, type winmsd.exe, and then click “OK”.
be found in the right pane of the project following the “processor”. Note the value.
a processor corresponding value is “x86
beginning, the computer is running 32-bit versions of the Windows operating system.
b, if the processor corresponding value is “ia64″ at the beginning, the computer is running 64-bit version of the
Windows operating system.
2, EVEREST Ultimate software can also
64 and 32-bit operating system and CPU have three questions: 1
If you want to installed 64-bit operating system, is not
must also be 64-bit CPU ?
For 64-bit operating system, currently used to support 32-bit operating system software can be used?
3. relative to the 32-bit operating system and CPU, 64-bit What are the advantages
?
the first question, of course, need cpu can
second question, most of them are supported, of course, there are compatibility bad
< br /> The third question, 64 more advanced theoretical value a little bit faster, its
real gap is not large
the first question: is not necessary to 64 of 64 course in front on the best. 64 system is designed for 64-bit CPU, 32-bit system is designed for 32-bit CPU. 64 Department of
systems and 32 CPUs such a match can also be used, but the theory will be slower. Upstairs to say must be facing with is not comprehensive! You can do to try, if the test is useless to me!
The second question: The answer is

The third question: 64,32 refers to the cpu addressable median, of course, addressing the more bits, the stronger processing capabilities. 64 CPUs have a greater addressing capability, supporting up to 16GB of memory
, 32bit only support 4G memory.
64-bit CPU can be extracted 64 data, doubling from 32, in theory, the performance will increase. But this is based on the 64bit OS, 64bit software base
.

April 21, 2011






Yellowjackets – Timeline (2011) style of the Jazz / Fusion
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