Questions tagged [performance]

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

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Will the Windows Memory Diagnostic Tool for Windows 7 check all available RAM or only the first 4GB?

According to this article: https://www.lifewire.com/windows-memory-diagnostic-review-2626154 The Windows Memory Diagnostic Tool for Windows 7 only scans the first 4GB of RAM for errors. This Super ...
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52 views

Is it possible to speed up file copy in Windows file explorer?

Samsung magician reports these characteristics for my NTFS-formatted SSD: When I copy a large file in explorer, Windows reports around 200 MB/s: But copying a large folder of many small files can be ...
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AMD Epyc on Windows slowdown under high single-threaded load

My company has just had a 128-core, dual socket AMD EPYC system for analysis work on wind farms. We use a software package which launches individual, single-threaded, old FORTRAN exes in parallel. ...
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DS918+ NAS Network Performance

So I just added a DS918+ to our home network. I'm getting speeds of about ~25 MB/s on SMB, NFS and HTTP (through the web interface) downloads and uploads, both lots of small files and one large file......
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Analyzing mediawiki performance on a Raspberry Pi [closed]

If this is the wrong stack exchange for this question, please point me to the correct one. I have set up and administered various servers, but this is the first time I have set up a (very tiny) ...
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KDE is slow and crashy from SDDM to KWin to Plasma to Dolphin

After updating my Arch system, everything by KDE started breaking, from SDDM taking almost 50s to start up to compositing issues. I've tried removing ~/.config/plasma-org.kde.plasma.desktop-appletsrc ...
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29 views

Does Using VBA in Microsoft Office Slow Down the Program Significantly?

I've never used VBA before. Does having it "on" slow down the program for all files that don't use VBA within its document? I was always scared that if I add a Macros/VBA in just one file, ...
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30 views

What's the bottleneck in transfer of a large number of small files?

While taking backup of a collection of folder containing source code (where I realized later that I could exclude certain folders containing library files like node_modules), I noticed that the file ...
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How to use MacOS's activity monitor and other tools to diagnose causes of a the multicolour spinning wheel when running Acrobat?

When scrolling certain PDF files (not all of them) in Acrobat on MacOS high Sierra, the spinning wheel appears - hence one may think there is a contention of resources somewhere on MacOS for some ...
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Is /dev/shm faster than /tmp?

This question queries whether to use /dev/shm or /tmp. Within the answers provided, the general impression arises that /dev/shm is faster than /tmp since it writes to RAM instead of disc. Searching ...
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Why do operating systems use more RAM for the same processes after you increase the RAM capacity?

Recently, I increased my RAM capacity from 8 GB to 16 GB and I noticed how both Linux and Windows use more RAM for the same processes. As an example: Before the RAM upgrade I would have Firefox and ...
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Seemingly random lag when moving windows, entering text, or playing games

Patient: Ryzen 5 1600 GTX 1660 Ti 16 GB DDR4 3000 MHz RAM Win10 2004 on a SATA3 SSD Issue: My PC started lagging, for seemingly no reason. Memory usage gets up to 70% tops, CPU usage is around 5-20% ...
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ffmpeg using hardware accel runs slower on new PC with better hardware?

For several years I've been using a batch file script that utilizes ffmpeg to re-encode videos to h265. In an older version of ffmpeg (from 2017) I used this line: fmpeg -hwaccel cuvid -i input -c:v ...
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CPU throttled to base speed or 0.8 GHz even after disabling intelppm

I have a laptop with Intel i7-4750HQ processor @ 2.00 GHz base speed and turbo boost up to 3.00 GHz. My laptop battery died a few months ago and as I have a home inverter, I've been using it with AC ...
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CPU Core vs RAM [closed]

I'm planning to build a PC next week. I've researched over the internet but I need more accurate and solid answer. I've read that the more core of the cpu, the more application it can process, same ...
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37 views

Laptop overheating due to heavy software lately installed

I have an hp laptop with windows 7, 64 bit.I lately tried downloading Solidworks 2015 of 7.6 Gb. Ever since I did that i think my windows didn't support it much.my laptop has so much slowed down and ...
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Speeding up Virtualbox boot time

I am looking for tips and tricks to speed up the boot time of VirtualBox VMs. By "boot time", I mean the elapsed time between starting the VM and having a login window/prompt, so it covers ...
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BIOS shows RAM frequency and type incorrectly

I have a PC, that I used for three years, it worked fine. I have not been using since the last 8 months, and it seems the computer is very slow. It seems for somehow the computer memory runs at 400 ...
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86 views

Will an SSD external drive be faster than an HDD external drive on USB 3.0?

I have a Retina MacBook Pro Mid-2014 with a 256GB drive, which is small for my needs so I need to use an external Hard Drive. I'm using a WD 4TB My Passport where I store a lot of pictures and videos, ...
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Why is memory usage of my PC while idling so high?

I have watched many videos trying to fix the issue and all do for a short time then it goes right back up to 40%. I am unsure how to fix this issue, and wondering if I should just invest in more RAM. ...
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484 views

How to lower the ping on WIFI for better gameplay?

I suffer from very high ping in the game Fortnite that ranges from 80 to 100. Basically, I do have an ethernet cable, but It is inconvenient for me to connect it to my gaming laptop in my private room....
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82 views

Windows 10 increasing in sluggishness

For months my WIndows 10 laptop has been getting more and more sluggish, as measured in e.g. video rendering speed in Youtube, zooming in GOogle Maps etc. I initially suspected the sluggishness was ...
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Cannot set 1440p @ 144hz inside windows with GTX 660

I'm trying to set 1440p @ 144hz inside windows environment, I don't care about in-game 144fps with that card. Setup n660oc from Gigabyte. It has DisplayPort 1.2, which in theory supports 1440p@144Hz ...
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Brand new WIN10 pc stuttering once powered on

i'm having a problem on a brand new assembled pc: video and audio stutters. This is my build: MOBO Asus tuf x570-plus https://www.amazon.it/gp/product/B07TNSYXXV/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=...
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16 views

Pfsense firewall and modem

Should pfsense be connected directly with the ISP or should it sit behind the ISP provided modem. If so, should we use pfsense for security reasons only or to improve performance as claimed in this ...
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20 views

How to identify performance bottlenecks in software run with cloud computing using windows server 2019

I'm running some software that tracks worms moving around on a plate for a scientific research project. The software tracks each individual worm, assigns head/tail and does several other functions. ...
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52 views

Copy To USB 3 Drive Start With Highest Speed But Then Significantly Decreases

I have large files that I need to copy to my USB 3.0 external drive. It's a HDD with enclosure. The problem is the copy speed. When the copy start it start at 110+ MBps, but after few seconds it goes ...
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1answer
16 views

ZFS dedup performance optimization

I'm running a VDI server. Many of the VDI users are installing the same apps on their desktops, so zfs set dedup=on vdipool/myDesktop comes in handy. How can I optimize the performance impact of zfs ...
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14 views

MySQL importing data to external drive SSD

I'm using an external drive SSD to store data on mysql. I'm storing many directories which every folder has 1k audio files and are imported as Binary(20). The issue is, according datadir, the required ...
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44 views

Windows Slow Down: high ram and CPU usage by miscellaneous windows process

I recently experienced the slowdown of my windows 10 desktop pc. Issue - slow Windows due to mysterious process DESCRIPTION: I checked the task manager for finding reason of slowdown. There I saw a ...
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Dell Optiplex 9010 Stuttering issues in games

I have a Dell Optiplex 9010 Desktop SFF(Small for Factor) with i3-3220 3.3, 6gb ram and Nvidea Geforce 210, in good condition and I am facing stuttering issues in games Like CALL OF DUTY 4 MW even on ...
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How does cores/logical cores handle the threads [duplicate]

I have this whining question on my head, which stuck me for days. Correct me if I'm wrong: My aspect on computer architecture and organisation is that, In early day computers, there was a single ...
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c1,c2,c3 states still being used with ~90 percent usage on all cores

When playing battlefield 5 on the high performance power plan i get this with perfmon: The 6 lines at the top are the core utilization (between 80% and 90%), the 6 lines at the bottom are the c1,c2,...
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FFMPEG encoding performance issue

I'm using FFMpeg for some live encoding in a Windows machine. The system that I'm using has a Blackmagic Decklink card and I wanna be able to live-stream the content to RTMP. I am able to do the ...
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Occasional Windows stutters/slowdowns

Ever few hours, my computer suddenly stutters. By this I mean: any audio slows down and sounds sort of robotic as if it's replaying the same buffer repeatedly, and simultaneously the mouse travels ...
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92 views

Windows 10 mind blowing slow boot times due to idle (94.32% of the time according to WPA)

I have had this PC I'm writing from for like three years now and at first things appeared to be just fine about boot times, but I remember that soon after (maybe one year after I built it) it started ...
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47 views

Sudden degrading of windows performance

My windows 10 system has had a significance drop in general UI performance in the last day. There is noticeable lag of nearly 0.5 seconds when you resize a window, for example. It happens in most ...
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1answer
33 views

New computer, slow startup

My newly-built computer starts up really slowly. Specs: CPU: AMD Ryzen 5 3600 6x 3.60GHz RAM: Crucial Ballistix Sport DDR4-3200 (In the BIOS the frequency is displayed as 2666MHZ) MOBO: MSI B450 ...
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20 views

Monitor Data Transfers between GPU and CPU in Realtime

I am currently working on training deep learning models using my NVIDIA GPU devices. One of the main performance bottleneck is the slowness of data transfers between the GPU and CPU. Is there a way (...
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13 views

CrystalDiskMark vs Windows File Copy Performance [duplicate]

I have an external SSD connected via USB 3.1 Gen 2. In CrystalDiskMark, I see over 900MB/s sequential right. When I copy a single larger file, performance is closer to 550MB/s. Why is Windows File ...
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29 views

Standby and zeroed memory not being utilized when needed, resulting in game crashing

I posted this question a few days ago about how I have high memory usage that isn't related to memory leak. Since then, I've installed Intelligent Standby List Clearer and run it on the background and ...
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24 views

Extremely slow performance on Inspiron 5558 with freshly installed windows 10 and Ubuntu 20.04

I found an old laptop from 2015 with the following specs. Model: Inspiron 5558 ( CPU: i5-5200u, GPU : GeForce 920mx ) RAM: 8GB(DDR3) Storage: HDD(1TB 5200RPM) OS: Windows 10/ Ubuntu 20.04(Dual boot) ...
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1answer
76 views

Encountering high memory usage on Windows 10

I'm using a laptop with 8GB of ram and am encountering high idle ram usage, when previously I was able to open tabs upon tabs of google Chrome right now about 15 tabs will cause Chrome crash already. ...
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Upon loading, computer runs super slow until I run HWinfo

After starting windows, the PC just stays slow, forever. Slow as in the cursor jumps around, music is played in slow motion. Like maybe 1/2 speed? Applications take forever to load etc. What is odd ...
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50 views

System running extremely slowly after chkdsk /f and bsod

[Windows 10 Home] After getting a bsod with the Kernel Security Check Failure error I performed various suggested checks on my system, being a malware scan, Window's memory diagnostics tool, sfc/...
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51 views

intel_pstate locks CPU to 400 MHz for Intel Xeon E5-2650 v4 on CoreOS

Hardware: 4 Intel HNS2600TPR in one chassis on 2 power cords, Each with 1 Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz, 128 GB RAM. [root@sigma02 Linux_X64]# dmidecode # dmidecode 3.2 Getting SMBIOS ...
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21 views

File operations in Windows 10 Libraries are very slow

Any file operation (copying, renaming, creating, etc.) in a folder opened via a library (not Downloads, Pictures etc) is very slow, especially in deep nested folders. This happens also in safe mode. ...
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40 views

Xeon processor vs Core I7 for games and blender?

I use blender a lot and I would like to play some games like GTA V, Watch dogs, ...etc. In my opinion, more cores and cache memory means more CPU power so I tend to buy a Xeon processor but I've ...
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1answer
144 views

I've got an old PC outperforming it's new replacement. Any suggestions on what I could do to alleviate this?

I've recently purchased a new fairly powerful PC (when compared to the PC I used in the past). The old machine used a Xeon E3-1245 V2 @ 3.40GHz with 32GB RAM while the new machine uses an i9-9900K @ 3....
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PC actin gpretty slow and low FPS in games Ive never had any trouble with

so about 2 days ago my pc started to feel a little slow, but not anything that's very alarming. Yesterday, I tried playing Rainbow Six Siege which is a game I have been playing for a long time now and ...

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