David Baron wrote:
I am currently running Sid, 32-bit with recent i686 32 bit kernels.
Here is my cpu: ~$ lscpu
Architecture: i686
CPU op-mode(s): 32-bit, 64-bit
CPU(s): 2
Thread(s) per core: 2
Core(s) per socket: 1
CPU socket(s): 1
Vendor ID: GenuineIntel
CPU family: 15
Model: 4
Stepping: 3
CPU MHz: 3000.282
L1d cache: 16K
L2 cache: 2048K
Should I go to a 64-bit kernel? Benefits vs. Risks?
Will 64bit enable kvm functionality on this box?
Will this work with existing packages which could then be changed to 64 bit
piecemeal or if taking the plunge, must/should redo everything?
Here is mine (4GB memory):
Architecture: x86_64
CPU op-mode(s): 64-bit
CPU(s): 2
Thread(s) per core: 1
Core(s) per socket: 2
CPU socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 16
Model: 6
Stepping: 2
CPU MHz: 3000.399
Virtualization: AMD-V
L1d cache: 64K
L1i cache: 64K
L2 cache: 1024K
I do program development, compiles, etc. and have to say that for me
64-bit is definitely faster, to wit:
http://debian-oaxaca.blogspot.com/
That graph takes 8.676 secs to execute on Sid amd64 and 16.444 secs on
Sid 686-bigmem. Same program, same data.
Hugo
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