Questions tagged [multi-core]
A multi-core CPU is a kind of CPU that has two or more actual chips inside it (known as cores). This allows a computer to actually be processing multiple things at once and is often seen as the solution to continuing Moore's law.
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How to utilize all cores on high-end CPUs using ffmpeg
I have a high-end HPE ProLiant DL325 G10 server with an AMD EPYC 7401P 24-core/48-thread CPU, 128GB DDR4 RAM, and a Intel P4800x PCIe NVMe. I tried to run ffmpeg to convert a video (MKV) to MP4 for ...
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Dynamically disabling cores in a power-efficient way?
I am looking for a mechanism to dynamically disable cores in Linux in order to minimize power consumption.
Unfortunately, disabling cores using the following simple approach actually increases power, ...
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Can I reserve one core to system only?
I have a workflow where it sometimes renders my system unresponsive or slow. I deal with that by setting affinity of such demanding apps to only a handful of cores/threads (Core i7).
Now I am looking ...
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Can I tell how much multi-threading I'm using each day?
Is there a way to determine (or even better, to log) how much benefit I'm getting from my computer's multi-threading capabilities?
Background: My higher-ups are proposing to give me and my team new ...
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Does Hyper-V properly schedule on CPU with Performance and Efficient Cores?
New CPUs (at least in the consumer market) will eventually likely all have the split into performance and efficient cores that Intel has started with the 12000 series.
I have seen some bad/dumb ...
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How many CPU cores can Firefox Quantum utilize?
I have a webapp that is very CPU intensive (multiple nested loops running over large dataset). I could run it in one Firefox tab or distribute the load across multiple tabs (if that's better).
I was ...
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Linux command-line utils with built-in support of multithreading
I would like to be able to compare performance of multicore computers from a point of view of a user who performs typical day-to-day tasks in Linux. My current goal is to collect a list of compute ...
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Have anybody tested R multicore packages on 10-core Xeon how do they scale in comparison with case of 4 core machine?
Have anybody tested R multicore packages (for example : parallel, multicore, snowfall, foreach) on 10-core Xeon ? How do they scale in comparison with case of 4 core machine ? What algorith have you ...
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Interpreting CPU BenchMark for Multi Core Systems
What is the standard ways (if any) to interpret the results of cpu benchmarking for multicore systems relative to single core systems? I am trying to compare the Passmark result of AMD 64 Vs AMD 64x2....
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Optimizing a mono-CPU application in a docker environment (multi-core vs multi-instances)
I have a simple, CPU-bound, mono-CPU application running in a docker container.
Indeed it fully uses a single CPU on the instance when processing work.
As I understand, there are two main approaches ...
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how to prioritize windows process to WSL tasks?
I have a Windows OS, with a WSL installed. I am running some computation heavy processes in WSL, written in Fortran, submit using nohup, which usually takes 10 hours to complete a task.
I wanted to ...
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Find process running in CPU core Win10
I have a multi-core Win10 machine. Some process consumes 100% CPU in a core, while overall CPU consumption remains low.
I can identify the core - but not the process running in it. Need to figure out ...
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Parallel: Limited number of multi-threaded processes
I'm using GNU parallel to run multiple jobs in parallel like this: parallel python3 main.py arg ::: args*.
With single-threaded jobs, I used -j 100% to ensure that 1 job is mapped to 1 core.
Now, ...
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How to log/get a report on threading performance in Windows?
So with programs like Process Explorer and Process Hacker you can see what the individual threads from a given process are up to. However as far as I can tell its just an active monitor with no way to ...
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Virtual Domain Cpu Time limit
I'm running Munin on Ubuntu 14.04 to monitor my virtual machines (running KVM, libvirt). I often get a notification that CPU usage on my base system is 'critical':
mydomain :: Virtual Domain Cpu Time
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