Questions tagged [cpu-architecture]
39 questions
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Install correct libraries depending on 64/32 bit
I am using Bash to install a customised version of JBoss, and one of the things I would like to do is install the correct version of the Apache Portable Runtime, which is a native binary.
This script could be run on both 32 and 64 bit versions of…
Rich
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QEMU SMP options
I'm trying to understand the QEMU smp option.
Currently I have set it to:
smp 4
As far as I understand that should create 4 vCPU (with 1 core and 1 thread I suppose).
Would it be better for performance if I set it to:
smp…
Maestro
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Can CPUs run with constant boosted speed?
My default AWS server CPU speed is 2.5GHz but somehow I did manage to boost it to 3.1GHz. However, when I run watch -n.1 'cat /proc/cpuinfo | grep -i mhz' they are not constantly working with 3.1GHz. They are changing rapidly between 2.5GHz-3.1GHz…
korimusk
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Does Minikube (or Kubernetes) need CPU-virtualisation instructions to orchestrate Docker containers?
I am looking to learn Kubernetes, specifically from this resource. I only want to run Docker containers, rather than full-fat VMs. It says that I need any of these as a base from which to work:
Docker Desktop
kind
Minikube
I have plumped for…
halfer
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1 answer
Obtaining the CPU L2 shared memory percentual of usage on Linux machine
On Linux based systems, how can I estimate or maybe read the CPU L2 shared memory % of usage?
Duloren
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3 answers
What is a dual-core processor and how is it different form single core?
In what ways are dual-core processors different from single core processor ? Are dual core processors different form multi-processors ? If yes, then how ?
What are logical and physical CPUs ?
kashyapa
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1 answer
Amazon G2 not giving a much better computing performance than my laptop CPU
I have a Java console application that performs Reed-Solomon error correction on large volumes of data (~700 MB at a time), just to test performance. The application is multithreaded, I can see it gives 100% occupancy on all cores when run.
On my…
Zoltán
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3 answers
Why do I need six cores in a cpu for a server?
I was getting specs for dell server and one cpu is an Intel Xeon with 6 cores, another 4 cores. What am I getting with this? Do I need six cores? What does that give me? I don't know what mult-core cpus give me but that's about all I can…
johnny
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Why is a 32bit OS limited to 4 GigaBytes of RAM?
What I don't understand is where the 4 GigaBytes comes from.
Most of the articles I read say that 2^32bits = 4 GigaBytes, but this doesn't seem correct given that 8 bits = 1 byte.
For a 32 bit OS:
2^32 = 4,294,967,295 bits = 4.2 Giga bits =…
