Tagged Questions

1
vote
1answer
75 views

Oddity about declared multi-core CPU power?

I am having quite a hard time in understanding the output of cat /proc/cpuinfo on two 4-core Linux boxes here at work. Basically I am running algorithm experiments on the two machines (let's name them ...
0
votes
2answers
1k views

Is there a simple UNIX command for finding out how many cores I have to work with?

I've got an Ubuntu VM on my Mac. Is there a command I can run in Ubuntu that will tell me how many cores I have to work with? I could do "about this mac" on the host, but I'm not sure how well the ...
2
votes
1answer
615 views

Processor advertised with 2 cores but PC shows 4 cores

I recently purchased an Intel i5-650 processor. On the Intel site, this the technical specifications show that the processor should only have two cores. ...
2
votes
2answers
921 views

Multiple CPU cores in Virtual Box

When I was using Virtual Box in Windows 7, I could choose how many CPU cores to assign to the guest OS. Now I'm using Linux, and when I installed Virtual Box, I couldn't find that option. System ...
1
vote
3answers
178 views

Triple core: a black sheep?

Is there any architectural disadvantage in a triple core processor compared to a dual or quad core? For example, does a triple core imply some architectural dissymetry that impacts performance? P.S. ...