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Questions tagged [cpu-architecture]

39 questions
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So really, what is the overhead of virtualization and when should I be concerned?

I'm searching for good rules of thumb to understand when NOT to virtualize a machine. For example, I know that a fully CPU-bound process with near 100% utilization is probably not a good idea to virtualize, but is there any sense in running…
kvista
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Will dual CPU servers run with one failed?

Do dual CPUs on a modern server actually provide redundancy? If one fails can the server be rebooted and run on the remaining CPU? In the past I have come across the case where CPU 0 always had to be present so if CPU 1 had failed it would reboot…
NickC
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How does Windows 2008 R2 run 32-bit applications?

If 32-bit processor support is disabled in Windows Server 2008 R2, how does the operating system run 32-bit programs?
Aaron Clark
6
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1 answer

When to use X2Apic Mode?

I am setting up a new server (PowerEdge T130) for a small business, running Windows Server Essentials 2016. It will be used as a file server, AV, domain controller and has some SQL databases. I know usage ideally shouldn't be mixed, but it will have…
userSteve
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Emulating a different CPU architecture per a VM on VMware ESXI

I currently have a VMWare ESXI server. We plan on having some build machines for compiling and testing software however we've run into a problem. All of the CPUs that the software will end up running on are i586 however, our VM server is new so…
Boardy
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Multi-Architectures and Their Binaries

Why is there a /usr/lib and a /usr/lib32 directory but only a /usr/bin and no /usr/bin32 directory on a AMD64 64-bit-install of Ubuntu? If or when Debian/Ubuntu start supporting multi-target-architecture binaries in their ELF's will this directory…
Nordlöw
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Any way to migrate AWS T3 x64 to T4G ARM?

Is there any easy way to migrate from aws x64 to arm arch? like without configuring a new arm based server and installing packages and file? it is currently running with Amazon linux AMI, we wish to change it to Amazon linux AMI 2. I just wanna know…
Ruben John
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What is the difference between the C0 and E0 stepping in the Intel Xeon 5400 family of processors?

My primary question is in the title, and can be answered as simply as that. However, I think some background information may be relevant. I'm doing some research into upgrading one of our three year old Dell PE 1950's to be a heavyweight (for a 1U)…
hobodave
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Understanding CPU related output displayed by lshw

I am trying to understand the meaning of some of the CPU related output provided by lshw. $ sudo lshw -class processor *-cpu description: CPU product: Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz vendor: Intel…
Ifthikhan
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Converting from 32-bit Linux to 64-bit LInux -- Amazon Web Services EC2 cloud server -- Import AMI

My client would like to upgrade from our current development 32-bit server to a much larger server running on a 64 bit platform. I'd very much so like to just import a snapshot of my current server's AMI (the 32 bit), but I'm thinking I can't do…
Atticus
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Hyperthreading vs. SQL Server & PostgreSQL

I have read that hyperthreading is a "performance killer" when it comes to DBs. However, what I read didn't state which CPUs. Further, it mostly indicated that I/O was "cut to < 10% performance". That logically doesn't make sense since I/O is…
IamIC
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IBRS suffix of CPU models in QEMU

What is the difference between the IBRS suffix and no-suffix CPU models in QEMU? Which one should I choose?
user2965433
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which Intel CPU is faster?

I'm talking to a representative of a hardware company trying to sell me a new server and he's adamant that the E5504 CPU which is a Quad core 2Ghz with 4mb cache would be faster than our existing Q6600 CPU which is a Core2 Quad core 2.4Ghz with 8mb…
pstanton
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How to publish Docker images built for different architectures in Docker HUB?

I have a container that is built on top of debian:jessie (there is some openssl compilation and some custom stuff). I want my image to be launchable on different architectures, for example on "normal" x86_64 OSes but also on ARM-based architectures…
fracz
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Ideal Number of Ram sticks for a Xeon Silver 4114

A Skylake-based Intel Xeon Silver 4114 CPU can access up to 6 DDR4-2400 memory sticks at once. It has two memory controllers with three channels per controller for a total of six memory channels. Does this mean that an ideal setup would have six ram…
Dave
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