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1answer
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What are the two sections of this dmidecode output?

I ran dmidecode on my system to verify certain processor information. However, I am not sure what the two sections of the output indicate. $ sudo dmidecode -t processor # dmidecode 2.11 SMBIOS 2.7 ...
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2answers
470 views

How does Debian make use of lots of CPU cores?

I just got an account on a 24 core VPS (according to UnixBench there are 24 CPUs). In general terms, how can I make good use of all these cores for general purpose shell computing in Debian? Do I ...
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2answers
5k views

So what are logical cpu cores (as opposed to physical cpu cores)?

I was googling about how I could find the number of CPUs in a machine and I found some posts but I am confused as some mentioned that you get the logical cores vs physical cores etc. So what is the ...
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2answers
156 views

what is meant by multiprocessing and how it works? [closed]

what is difference between cores, CPU, threads and processor on linux system ? please explain the difference
5
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1answer
200 views

Running one OS per core

I'm interested in using a COTS board like the Wandboard for a project. On one hand I'd like to use something like Ubuntu for user interaction, sounds, TCP/IP stuff, etc. But I also need an RTOS like ...
2
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0answers
422 views

Java uses max 8 cores on Debian, even though 16 are available [closed]

I have two servers at hand, both with 16 cores. The first is running Debian, the second running Ubuntu. I have written a small multithreaded java app that creates 16 threads. On the Debian machine, ...
5
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1answer
583 views

How to find out how many cores (including emulated via HT and such) are avaliable to user?

I wonder how to get how many cores (including emulated via HT and such) are avaliable to user via bash shell-script command?
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1answer
3k views

Should I disable hyperthreading when concerned about performance of single-threaded applications?

I use a i5-2410M processor, which is setup to do hyperthreading by default on my laptop. Considering that this is a 2-core processor, this means it can do 4 threads at a time. This also means that ...