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Questions tagged [cpu]

The part of a computer responsible for performing computations, often referred to as a processor.

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Home Server Setup software and hardware [on hold]

I'm looking to build my own home server, mainly to support development across my different machines. But for now I'm quite stuck on how to start picking hardware and software for the system. Key ...
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VT-x is not available (VERR_VMX_NO_VMX) (VirtualBox) but enabled in bios, hyper-v enabled, and cpu supported

I've been having an issue with VirtualBox when trying to start a Windows 10 VM. I get an error stating the following: VT-x is not available (VERR_VMX_NO_VMX). Result Code: E_FAIL (0x80004005) ...
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1answer
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Can I upgrade the CPU to get a Mac Pro 4.1 or 5.1 [on hold]

I'm a new user in OS, so I have a question here: I bought a Mac Pro (Model Identifier: 1,1) with the following specs Processor Name: Dual-Core Intel Xeon Processor Speed: 2.66 GHz Number Of ...
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Hardware requirements to receive and store 100 MegaBytes/sec [on hold]

What are the hardware requirements to be able to save up to 100 MB/s (megabytes/second) of UDP-packets coming over a local gigabit network? I have the following setup: 1 device sending up to 90 ...
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1answer
47 views

Asus Zenith Extreme x399 + 2990wx -> PCIe lanes

I am planning to build home workstation for gaming / virtualization based on subj. According to the 2990wx topology (i.e. here https://www.gamersnexus.net/news-pc/3350-threadripper-2-specs-price-...
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Do I need to get new CPU for DMC V? [on hold]

I currently have Intel i5-4590 3.30GHz, but the minimum requirement is Intel Core i7-4770 3.4GHz. Will it run slow, if at all or should it be fine as long as I meet or exceed recommended requirements?
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2answers
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Experiencing microstutters in all games after changing to RTX 2070 video card

So about 2 weeks ago I bought an RTX 2070, and ever since I've had microstutters in all games I play. They are of different severity, depending on the game. I'm looking for a way to fix that. First ...
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1answer
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Bash script, get number of physical cores as number and iterate

I wrote a script that shows a number of physical cores of the machine. However, I would like the result to be a number, not a string. Here's the script: phycores=echo $sudoPW | cat /proc/cpuinfo | ...
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Higher CPU usage when more programs using the CPU

I'm not entirely sure how to phrase the question, but it's not just that the other programs are taking up cpu usage. This is what my cpu usage looks like, and I thought "prime95 uses around 50% of the ...
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Planning on turning my Compaq Presario CQ-56 into a hackintosh, Trying to find a new CPU [closed]

I just recently acquired a Compaq Presario for free from a friend, and as I have no real reason not to, I've decided to attempt to install OS X on it. I'm not sure what version I'll be installing yet, ...
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Replaced MB, CPU and RAM but my PC still won't turn on, GPU just blinks

So I had an issue that at some point where I unplugged all peripherals from my PC as I was preparing to move. Then after I plugged everything back, it wouldn't turn on and LED 1 green light on my GPU ...
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2answers
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Why does CPU speed variate even computing massively? [duplicate]

I realized that speed of my CPU is not constant even if it compute massively. The speed wanders from ~4,2 to ~4,4GHz in task manager. Why? I have two theorem: This is an average speed, and even ...
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1answer
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Does Silicon Lottery apply to individual CPU cores/threads compared to the others?

Can individual CPU cores or threads clock faster than the others due to Silicon Lottery? Is it then reasonable that the rest of the cores are held back by the slower one as they need to match it's ...
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2answers
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800 MHz DDR2 RAM shows half of memory speed on my machine

I have an Acer Veriton l670 mini PM. My machine has: E8400 3 GHz dual core CPU 2x2, 4 GB DDR2 800 MHz RAM dual channel (Kingston acr256x64d2s800c6) 320 GB hard disk 7200 rpm While this is not a very ...
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How to reduce Java Eclipse's CPU Consumption? [closed]

I have been using Eclipse Java 2018-09 for a while now and it is consuming too much of CPU and I throttling the RAM at 100%. I have tried removing all the unnecessary extensions that I had initially ...
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1answer
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Do I need both the 8 pin and 4 pin cpu power plug for my MSI B450 Pro Carbon?

I have bought a new mainboard, an MSI B450 Gaming Pro Carbon, and to my surprise, it features 12 pins for the cpu power connection. My power supply, a Pure Power 10 BN274 600 Watt, only features 2 x ...
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CPU (x86) base frequency vs. all cores turbo frequency [closed]

The vast majority of x86 CPU do have a base frequency which is lower than the turbo frequency adopted as all cores are under full load. So, I was wondering: what is the use of the base frequency?
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I need help finding why my computer was fried [closed]

So, my power supply burned out, and it happened for the second time in a row. The first time it was because I was using old drivers, but later on me and the original owner changed the hard drive to ...
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How much does heat pipe need to touch cpu

I'm adding a shim to my laptop CPU because it doesn't seem like the heat pipes are making contact. The shim I have isn't wide enough to cover the entire die. I'm wondering, is this OK if I just have ...
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1answer
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Can a Pentium G4400 Stock Heatsink/Fan work for an i7 7700T?

I have a Pentium G4400 which has been acting in my NAS for about the period of a year quite faithfully. It's a little limited in it's ability and this was expected as I've always anticipated replacing ...
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How to get CPU usage percentage command in bash script

how do I get the CURRENT percentage of CPU in a simple output of simply a percentage? i need to fit in a file of 10 lines each line containing stuff like name,time,"cpu percentage, .. and so on. maybe ...
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1answer
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Is there a significant issue to allocating all available cores to one VM if that is the only major task running?

I have a one-off task that requires me to use a VM to fix a build bug a software project using SCons (Python). The testing cycle is fairly short, resulting in frequent rebuilds. I'm using a 4-core ...
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1answer
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Is there a lower bound on power consumption of CPU

I currently run a old laptop from 2015 with i7-4720HQ as a linux server at home. The TDP of that chip is 47W. Now, I know that TDP means the chip can't go beyond 47W of power consumption, is there a ...
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1answer
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LGA1150 CPU on LGA1155 MoBo?

My motherboard fried and I am looking for an identical replacement. Only, the motherboard is an Acer H81H3-AM V1.0 with socket 1155 according to specs, and CPU is an i5-4460, socket LGA1150. Is this ...
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1answer
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Low (wrong?) temperature on AMD ryzen 1920X

I recently built 2 workstations with AMD Ryzen chips : 1920X and 2990WX. I'm running CFD simulation, so I need to load them 100% for long periods of time. The temperature I get with lm-sensors on ...
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2answers
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Why does the Apple A12X processor have better benchmark results then the i7-4790T?

In my workstation I have an Intel i7-4790T that I've always thought was a pretty fast CPU. But according to Geekbench 4 the Apple A12X processor in the new iPad Pro comfortably beats it. When I run ...
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2answers
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What is the purpose of these films on CPU/GPU chips?

For quite a while I was wondering what is the purpose of a couple of solid films partially covering chips on my CPU/GPU (they are attached so they are between the cooler and the chips). For better ...
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enabling intel vt-x virtualiziation in asus motherboard

motherboard specs: asus strix h370-f https://www.asus.com/us/Motherboards/ROG-STRIX-H370-I-GAMING/specifications/ cpu: intel i7-8700 non k I am trying to work with virtual box, vmware etc and i ...
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1answer
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PC randomly stops responding for a few seconds during use

My computer will randomly stop for a few seconds while doing these things: While browsing the internet on Chrome or Firefox (sites seem random). Using Steam and just browsing forums Playing ...
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1answer
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What's better for the fan's health? OFF and ON or Low - High Speed? [closed]

I wonder what is better for fan's health. E.g. fans in my laptop. I can't change their speed by % (0-100%). Setting 0% is like turning them off. And I just don't know what would be best for them ...
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3answers
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How is graphics RAM different from system RAM?

I know that a GPU and a CPU are fundamentally different things and why they both suck at doing the other's job. But what I don't get is why standard system RAM has always been a generation behind the ...
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Strange behaviour when using Power Plans

I recently wondered why my Laptop seems to be very slow (this was a verly long time). So I downloaded CPU-Z to check my CPU and saw that ist Clock is just around 998 MHZ, however it should can run at ...
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1answer
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Does RAM frequency & or Latency affect Internet browsing speed or page loading

I currently have 3000 mhz, cl 15. RAM. (8600k so no CPU bottleneck etc) But i was wondering if someone with more knowledge would be able to tell me if i bought 3200 mhz CL 14, RAM would it affect ...
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2answers
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How do i enable Virtualization (VT) on Windows 7?

How would I enable vt for Windows 7? Thanks
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Microcode Intel

I am currently using Windows 10 and would like to be protected against Spectre/Meltdown vulnerability. My current CPU is Intel Pentium J2900 (Lenovo PC). There are no BIOS updates available from ...
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1answer
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What are the three fundamental elements of the CPU? [closed]

This question came in a previous computer exam. According to me, the answer is CU, ALU and something else. I'm confused about whether that 'something else' is the registry or cache.
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VDROP - issue? Whea-logger 19 events each second on event log on idle only

Uh hello again. Its my next topic in short time heh. Windows 10 1803 actually. A spam of: WHEA Event ID 19 CPU-corrected hw error A corrected hardware error has occurred. Reported by ...
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1answer
42 views

Repeated Crash-rebooting on Windows 10 - what hardware is at fault?

Brief overview About a couple weeks ago, my custom-desktop (built 2015) started hard crashing and auto-rebooting. The computer has crashed so many times at this point that I can barely keep track (...
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Huge CPU load - php-fpm + nginx

I use php-fpm with STATIC pools and the problem is that 2-3 pools from 20 are used with 80-100% CPU. Other php pools stay unused. My question is: Why other 17 processes stay unused? We used AWS ...
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0answers
22 views

Resource Monitor and Task Manager Conflicting CPU Usage

For the past few weeks task manager has not been showing correct per process CPU usage. Resource monitor seems to show correct values. Task Managers detail tab shows current CPU as well. For this ...
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New hard drive makes core 1 to stick at 100%

So, I just bought a Seagate Barracuda 1TB 2.5" 5400 RPM to my laptop, and I installed the HDD in the CD Drive slot using an adapter. The disk works well, but one of the cores of my CPU sticks to 100% ...
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1answer
280 views

Firefox 63 slow page load?

My System: I have an I7-4790k cpu and a fast connection (low latency/ping 33 e.g. to amazon.de, enough traffic bandwidth 32 Mbps). I'm using Firefox 63 stable which uses all my cores. Problem: Still, ...
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2answers
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Harddrive RAID impact on CPU

Regarding the risk of losing data due to read errors (particularly a stark risk with RAID 0). Going above 0, we are able to hedge against failures at different levels. All of this I understand. ...
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1answer
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Why would I have high CPU usage (single core) when running glxgears on a GPU?

When running glxgears (or any graphically intensive application) on linux I see 100% utilization of a single cpu core, even though I've confirmed it is using my Nvidia GPU as the renderer. Is that ...
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1answer
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Small Form Factor CPU dilemma [closed]

I am in need of some opinions and I hope StackExchange superuser can help me out! Hear me out, I was planning on getting a new pc. It's going to be an mini ITX format which will be housed by none ...
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3answers
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Wrong CPU temp sensor reading?

Recently I have noticed that a game that used to run at a constant 60 fps on my pc is not doing so anymore, I haven't played a game for a while but ran this game (batman arkham knight) for my nephew ...
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1answer
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Nvidia GPU vs CPU benchmark: what kind of cpu they refer to?

I found that Nvidia GPU often has 10x improvement in speed than CPU. However, I did know what CPU they compare to. For example, for Tesla K80 (see below link) comparison, they did not specify the CPU. ...
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1answer
50 views

How do I tell where the hardware bottleneck is in my system when ruining a particular task

I realise that there are several duplicate questions around this topic already but all the questions that I have looked at have been for general computer slowdowns. In my case I have a very processor ...
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0answers
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CPU usage reaches full on torrent sites?

Whenever I open torrent sites like https://baypirateproxy.org , My CPU usage reaches 100% but on other sites its normal So are they mining crypto through web pages or is their anything else going on, ...
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2answers
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Is it possible to merge CPU cores?

Back in the past there was something called hyperthreading where a single CPU core acted like two cores. But is it possible to merge two CPU cores to an single one to improve performance on programs ...