Questions tagged [performance]

For questions concerning computer, or computer-related, performance. Please include metrics in your questions.

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Overall low computer usage but entire pc is laggy

I did "reset to factory settings" and now my entire pc is laggy. Everything works so slow (minecraft will be indicator here). Before this reset I have decent fps (around 50 / 60) with normal ...
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Why rsync slows down if the files are being written to source disk, but mv works normally?

I am using NVMe drive as a cache on the ubuntu server and I noticed that rsync performance is substantially deteriorating when the source drive is receiving new files. Speed drops from ~250 MBps if ...
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I got another unknown hard drive called \\? \ Volume {1c8475c2-0000-0000-0000-100000000000} \. How do you know if it's a virus?

these are system properties there is no hard disk and this is disk optimization and here it is displayed screenshot of Disk Management I searched the Internet for what this disk might be, but did not ...
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43 views

CPU being used up by some background process

I have a fairly new windows 10 laptop that I've been using, and today it was running very slowly. I opened up my task manager and found these background processes that are collectively taking up ...
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Deactivate vmtoolsd on Ubuntu server

I have a server on a virtual machine which was not setup by myself. As we experience some hiccups from time to time I am trying to cleanup everything that is not needed. top shows that the vmtoolsd ...
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External USB 3.0 disk became much slower, why?

Two months ago I got a newly formatted Lenovo P50 with Windows 10 Pro and I wished to test its USB 3.0 ports. I was using Crystal DiskMark 8.0.1. The tested disk was standard magnetic Transcend disk. ...
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29 views

Google Chrome runs too slow vs. Mozilla Firefox

I have both Firefox and Chrome installed in a Windows 7 device. Firefox works very well and it doesn't hangs and it's also super fast. BTW in playing videos firefox in all of my devices is slow and ...
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WD My Cloud very slow - i need another way to make the transfer

i want to transfer many data from my computer to WD my cloud. the size is about 1T and the files are more than 500.000. i have tried to copy them but it shows me that it will take more than 3 days to ...
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Why does my game suddenly lags despite smooth performance few weeks prior?

I've played the game (Genshin Impact) for a few weeks and so far it has gone smoothly until yesterday. It suddenly freezes especially in battles, but a few hours earlier it's state was still fine. I ...
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MacBook is laggy when switching apps

On my MacBook I experience lags when switching apps or when the debugger hits an exception/breakpoint and brings my IDE to the top. The CPU usage is quite low, as you can see in the following image. ...
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Why does transferring files to a USB stick grind my computer to a halt?

I'm currently syncing a bunch of files to a USB stick. Regardless of what USB version it uses, and regardless of my motherboard's ability to transfer USB data, why does it cause my entire computer to ...
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My Laptop has suddenly slowed down a couple weeks ago, and it has became slower gradually since then. it boots slow, shuts down slow, load files slow

I thought problem is Windows, so I installed fedora (dual boot), but didn't solve the problem. about a year a go, I had exactly the same fedora (33), it was all good and smooth, but now, it's sort of ...
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60 views

Why is my external hard drive transferring so slowly on USB 3.0?

I have approximately 1.5 TB of data which I need to back-up on an external hard drive. I am using a brand new 2 TB Seagate OneTouch HDD portable storage device with a USB 3.0 cable. Currently, the ...
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29 views

Windows 10 updates render laptop unresponsive and HDD 100% with average response time 1s+

Lenovo laptop with Intel i7 7700HQ, 24 GB RAM, 2TB 5400 HDD(OS hard and Data, 400 GB used only), 1 TB 970 EVO NVMe SSD(for work, 500 GB used), 1060 6GB MaxQ, Windows 10 Pro licensed, bought in 2018. ...
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FFMPEG performance with HW acceleration

I'm doing some video conversions with FFMPEG and have a question about hardware acceleration. First I converted a video on my laptop with an i7 processor. After some tips I maximized the speed using ...
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2answers
42 views

There are no power plans other than Balanced in Windows 10 Professional

I have a Dell Inspiron Laptop, I never use it for other purposes than web surfing and most usually use it on battery power. But nowadays my laptop is heating like ironbox. It is a pretty new laptop (...
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Vmware virtual machines slow down drastically over time

The vm os is latest Windows 10. Over time while my pc is inactive but there is always a macro running on the virtual machines, the vms slow down alot to the point where the cursor looks laggy af and ...
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92 views

Why is my i5-4250U (Haswell) CPU is throtthled to 800MHz?

Since a couple of months, the CPU of my Intel NUC D54250WYK seems to be throttled, with terrible performance. Surprisingly, the reported frequency differs from a tool to another, it is either reported ...
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48 views

High memory usage, but low CPU usage?

I´m trying to merge large data frames, using R. My computer CPU has 3GHz intel Core i5 Quad-core, with 8GB RAM. I´m using the Reduce function, I´m not using a loop. All data frames are in a list, ...
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Internet is making my gaming lag badly, it use to be good then all of a sudden we can only have 1 console at a time, i am unsure on what to do

I have a lot of lag when gaming and can only have 1 console connected at a time even then it still lags, we have a normal router and a gaming router and the gaming router is connected to the normal ...
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32 views

Has Windows 10 slowed down with the most recent major update? [closed]

This March/April my Windows 10 Pro had kept reminding me that the current version had come to end of life and I had to make a special, massive update to some next version. I did this update. Now it ...
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1answer
62 views

Why is there a 100 times difference in the execution time of the same JS code between Google Chrome and Chromium?

Recently, I found a website that uses a third-party chromium browser badly, but it is normal in Google Chrome; After comparative analysis, it is found that the reason is probably that there is a long ...
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1answer
17 views

Can USB 3.1 improve USB 3.0 upstream performance?

My monitor gives two USB 3.0 ports and two USB 2.0 ports via a single USB 3.0 upstream port. will connecting my display to a USB 3.1 improve the overall performance of USB ports provided on the ...
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1answer
15 views

Single slow website

I signed into a forum, I used it for awhile then all of a sudden it got super slow, I have to wait a long time for it to load. Most of the buttons don't work. I have good internet, only that website ...
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22 views

High memory usage and poor speed on CAD software in Win10, best strategy to investigate?

I have a Dell XPS15 7590 with 8Gb of RAM and recently very poor CAD design performances. I think it's due to RAM usage, since it is always around 90% of usage even with just Netflix open for example. ...
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33 views

How to take full advantage of your RAM on Linux

On the downloads page of Garuda Linux, they say that "we believe in the principle that unused RAM is wasted RAM". There are some performance comparisons on youtube, it wasn't well in stress ...
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25 views

Laptop is sluggish after docking

I've got an MSI WS75 10TM-492 running Windows 10 enterprise. I usually use it on a docking station (CalDigit TS3) and it runs great. However, I'll occasionally take it off the docking station and ...
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33 views

Should I make partitions on 500GB SSD or store my projects in C dirve? [closed]

I have a laptop with 500GB SSD (windows) and no extra hard disk, there is only one partition on SSD for now which is C. Now should I create a new partition for my projects or use C drive only?
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35 views

Do screen recording software make the game laggy?

Let's take an example of Counter Strike 1.6 game (offline, with bots). And an i7 system with 16GB RAM and 940MX graphics. As you know, it is very old game so this graphic card is more than okay for ...
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26 views

Could you explain how disabling Large Send Offload v2 fixes slow upload speeds?

I have a 100 Mbps fiber connection I'm connecting to over WiFi (ASUS PCE-AX58BT AX3000 Dual Band - Intel Wi-Fi 6 AX200 160MHz), though note that the routers do not support WiFi 6 (NETGEAR R6200v2 ->...
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What's the fastest file system setup for transferring from NVME to HDD?

I'm trying to figure out the proper system layout for transferring data from fast storage to slow storage with minimal bottlenecks. I have a fast array of RAID 0 NVME drives used for daily tasks. At ...
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Very low random IOPS reported on SSDs

I have two Samsung SSDs in my computer, an 840 Pro and 860 Evo, reporting very low random IOPS numbers, about 1/5 of the nominal, connected via a SATA3 interface, using an i7-3770K CPU in a P8Z77-V ...
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38 views

How to diagnose Windows 10 latency despite hardware capacity

How can I hunt down a bottleneck in Windows 10 when no hardware resources are overtaxed? I have a Windows 10 Pro workstation with pretty extreme hardware (24 physical cores, half terabyte of RAM), yet ...
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26 views

Computer Hardware for Web Development

I hope SuperUser is the correct place to ask this question since it is likely related to hardware, but if not please let me know! I recently was hired at a marketing company to head the creation of ...
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How to know limits of scheduling with multi-core PC?

Recently I've noticed that despite of very low system usage in terms of CPU and memory, the system has got considerably slow and less fluent over time. - I use Ubuntu 20 with 32GB RAM, 6-core CPU and ...
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2answers
29 views

Monitor process' file access by file and access speed

I have multiple disks in my system sometimes I have a heavy read usage on my root partition. I know that there are some processes reading a lot of data, but from all disks. How can I find out which ...
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265 views

Extremely high memory usage on Desktop Window Manager

My desktop window manager is just taking too much memory for no reason. I was playing a game that had pretty average memory usage for a game (Apex Legends - 2000MB ish) before editing a word document ...
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1answer
25 views

Is it okay if I lower my pagefile size in Windows 10 as I've got plenty of hardware RAM to deal with it? [duplicate]

The pagefile is currently automatically allocated through Windows 10 itself. It seems that it has allocated 5888 MB of disk space. My system has 32 GB of RAM available and my intention was to lower ...
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4k views

How can I improve the computer performance? [closed]

My laptop is a 12 year old Compaq 610, 4GB DDR2, not upgradable chipset (Mobile Intel GLE960 Express), Core 2 Duo T5870, 320GB HDD and 240GB SSD, Windows 10 x64. System boots fast but performance isn'...
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Why does Google Chrome slow to a crawl but when I open tabs in a different browser, it is extremely snappy?

So I currently have about 400 tabs open on Chrome (it's a lot I know) since I'm doing a lot of different work at the same time. However at this point, my Chrome browser, starts to slow to an absolute ...
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1answer
45 views

Windows 10 massive performance drop after copying files- why?

In preparation for getting a new PC, I copied all my important files from my current PC's hard drive to a USB-connected hard drive. I let this process run overnight, and about an hour after it ...
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1answer
57 views

My primary computer gets slower network speeds than the rest of my computers at house. Everything gets 220Mbps while mine gets 30

I have already confirmed it was not my router, I plugged a different computer into the same CAT-6 I use for the problem computer and it got 220Mbps. I've already run Avira and Malwarebytes scans and ...
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1answer
49 views

Updated to Debian 11 (Bullseye) and to latest kernel and now everything network related is very slow

I updated to Debian 11 for some days ago as well as I installed a new kernel (5.10.28-1) and the system is working fine. However I noticed that everything network related is extremely slow. Trying to ...
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17 views

How can I view how much lag / CPU time a Google Chrome extension adds when loading a page?

How can I view how much lag / CPU time a Google Chrome extension adds when loading a page? For example, I would like to know how much lag / CPU time the Google Chrome extension Dark Reader adds when ...
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16 views

Virtualbox VDI disk performance issues

I'm running Virtualbox 6.1 server on an Ubuntu 20.04 host - 64 bit, lots of CPU and RAM. A Virtualbox VM is running Ubuntu 18.04, 32 bit. The OS is installed onto a vdi image. Things have been running ...
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What should I do after my PC bluescreens during a Disk Clone?

This morning, the disk clone process I was running since last night (HDD to SSD) was almost finished when my PC bluescreened with a watchdog violation, so it restarted. Upon restarting it took about 5 ...
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21 views

X11 performance tweaks

I'm in a RPA project, and one of the tests requires a lot of browser instances opened (160 aproximately). The browsers are run in a docker container, so when I start the test I get 160 docker ...
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31 views

Windows takes forever on the welcome screen

It's been going on for a while now, way before the 20H2 update, windows takes forever on the welcome screen after you type in your pin/password (or whatever), the white dots just keep encircling in a ...
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2answers
62 views

Slow excel document verbose status

I have inherited a set of large poorly optimised excel documents used to post process outputs from a bespoke matlab simulator and they are so slow. They're slow to open, recalculate, and save; and ...
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1answer
43 views

Asus ROG Strix Scar 15 G532LV RAM upgrade result in stuttering of apps

This week I upgraded my RAM to 32GB with this Kingston pack HX432S20IB2K2/32 on my ROG Strix Scar 15 G532LV . Since this upgrade, a lot of apps are stuttering most of the time(not all of the time and ...

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