Questions tagged [performance]

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

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zram: swappiness, vfs_cache_pressure, page-cluster, dirty_ratio and dirty_background_ratio settings for gaming machines with HDD and low RAM? [closed]

I'm trying to game on Linux, but my biggest bottlenecks are my HDD and my 8GB of RAM. I used zram to allow more data to be stored in my RAM by compression (using lz4 algo with 100 priority and "...
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How to scroll faster (vertically) in LibreOffice Calc using mouse wheel (trackball wheel)?

I have a large LibreOffice Calc spreadsheet with over 5000 rows. I regularly import fresh data into the spreadsheet using a process that I automated. I cannot control the original data, or how it is ...
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Microsft Office start too slow when having network without internet

When I connect my Network Cable (with no internet) Microsft Office run too slow (about 30 sec). But if I disconnect the cabel or access the internet to network Microsoft Office will run immediately. I'...
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Is increasing the max_pool_percent parameter for zswap a smart idea to combine concepts of zram and zswap to increase memory and decrease disk usage?

I don't know if I'm missing something, but please take this with a grain of salt. So, zram is used to reduce I/O operations on the disk by making a swap on the memory which eliminates system freezes ...
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Would I gain performance from setting up my swap file to be at the beginning of the disk in Linux for gaming?

When installing Arch Linux, I have to set up 3 partitions - EFI system partition, swap and root. I've read numerous times that files at the start of the disk are read and written faster, so wouldn't ...
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How to use a very slow HD with a fast HD as if it were just one

My problem is quite specific: I need to run an application that has 500 GB but I have two HDs: a fast 200 GB and a very very slow 2TB. The 2TB HD is external USB and was mounted over the network (NFS) ...
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What are the effects of decreasing or increasing swappiness when using ZSWAP in Linux?

After a tough choice on whether to use ZRAM or ZSWAP, I finally decided to use ZSWAP. But now I'm struggling with the swappiness setting. I've read multiple articles suggesting to lower the swappiness ...
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ZRAM vs ZSWAP for lower end hardware?

I spent the last 2 days researching about these two features that allow saving a bit of memory. Here's how I understood them: ZRAM: Once the RAM reaches 100% usage (or the remaining incompressible ...
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Why does performance improve by 32-fold when using FP32 instead of FP64 (not 2-fold)?

Consider the NVIDIA Quadro RTX 8000 (specs below). Using it to perform single (32-bit precision) gives a theoretical performance of 16.31 TFLOPS. If we reduce the precision to half-precision (16-bit), ...
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How to easily measure, capture, peak (crest, pinnacle) swap file usage?

using: Ubuntu 20.04.4 LTS (Focal Fossa) GNU bash, version 5.1.16(1) Is there a program that will capture the most swap file that was used? Swap file was 2 GB. Virus scan was done. Virus scan took over ...
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Do programs use less resources when run for longer?

Would a computer program or app use less resources the longer it is kept active? I understand that this might be true, because of caching and the likes, but it feels really odd to me that when running ...
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Is there a performance difference between SD MicroSD adaptor vs USB MicroSD adaptor?

Anecdotally, I've read that MicroSDs have faster transfer speed than regular SD cards (correct me if I'm wrong, but please include sources for my edification). Since USB transfer speed is also faster ...
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Why chrome is running processes in the background that make my PC unresponsive?

Hey guys I have been running into a little problem with Chrome on my PC, its running read and write processes on the hard drive that significantly slow down itself and slows down the system ...
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How to find out the number of read/write requests by a process per second in Windows 10

In a performance issue on my machine. The HDD stands at 100% disk utilization and makes the computer slow and laggy. The total data transfer taking place might be as low as 0.1Mbps hence its the ...
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Effect of enabling UAC virtualization on Programs such as Visual Studio?

One of the reasons as to why I switched from Visual Studio to Rider is performance, it looks like Visual Studio has been optimized to run on multiple CPU cores and Rider is fine with working on a ...
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Why Windows Performance Analyzer has Tracing Off for Boot Phases

I am trying to find out why my desktop sometime takes 3-4 min to wake up from hibernation. I installed WPA part of ADK - windows performance recorder and analyzer. I set up recorder as follows - ...
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How to Stream a camera view from another computer on Discord with better performance?

For some issues with the app Discord, my client told me he got another PC to try something. I was able to redirect the video stream to another computer? It's possible without any device to buy, and I ...
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How will this hard drive setup impact system performance?

Since most operating systems running on a hard drive get faster with each hard drive memory free, I have got a scenario where if I have two hard drives and then the primary hard drive has only the ...
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Using Different RAM brands, sizes and speeds

I have just purchased a Dell XPS desktop. It has four slots for RAM. Two slots already have 8 GB sticks of Dell DDR5 UDIMM 4400 MHz RAM. I have two sticks of Crucial 16 GB DDR5 UDIMM 4800 MHz. I've ...
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Is it possible to have Firefox use more than 1 CPU core in Windows?

According to the Microsoft Windows Task Manager, Firefox tends to just use 1 CPU core for most of its processing. When a system isn't running any foreground tasks besides Firefox, this leaves much ...
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Why is my SATA 2 SSD dog slow?

I have an SSD drive (not NVME or M2, just the ordinary SATA type). Sorry, I cant tell the exact model but it is one of the well known brands, not some unknown origin. I am using it since 2016. ...
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my computer got slower but I don't know why

I've been having an issue for more than a year now and I can't figure it out. The issue is that, at first my computer started to crash sometimes when I was playing video games. Then, one day it ...
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Intel CPU slowdown on Framework Laptop and Fedora 35

I'm running Fedora 35 (KDE Flavoud) on a Framework Laptop with Core i7-1185G7. During video calls, I would get sudden cpu percentage spikes and audio/video would be degraded heavily for about a minute....
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How can I monitor live HDD statistics?

I'm troubleshooting this issue where my HDD utilization hits 100% and the total amount of transfer taking place is 1-2 MBs at most. Thus I'm looking for a program with which I can troubleshoot this ...
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Windows 10 very slow especially when opening web browsers

My Windows 10 desktop is super slow when opening web browsers (such as yahoo.com). It takes about 8-10 seconds to fully load the page and slows down the entire OS while loading. If I am playing any ...
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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 loading the webpage How are pseudorandom and truly random numbers different and why does it ...
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Laptop CPU max usage is stuck at 72%

Recently my laptop has been slowing down a ton. I use this laptop to code, browse and use Discord, and it's always been fine until a few days ago. It's a fanless laptop, so it gets hot but it usually ...
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Massive latency spikes only when playing a game?

Please let me know if this isn't the correct site to post this question. So I recently starting having an issue where everyone in Overwatch would stop moving for half a second, and then rubberband to ...
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SSD performance falls off a cliff

I have a Samsung MZVLQ1T0HALB 1TB M.2 SSD which came pre-installed with my laptop, the MSI GP66 Leopard 11UG-018. When copying a 6 GB Windows ISO from My Documents to the Desktop it goes from about 1....
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Why does unplugging and plugging back in my laptop power cable result in a short, sharp, immediate speed boost to all processes?

So I've got a cheap, barebones Lenovo Windows 10 laptop and I've noticed a fascinating behaviour whenever I toggle (unplug and then immediately plug back in) the power cable: I get an immediate burst ...
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Automate a periodical "Minimize Memory usage" on Firefox

During many years using Firefox and forks and I've realized that sometimes Firefox gets slow and sometimes unresponsive. Workaround, going to about:memory, and clicking on "Measure" button ...
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How to force intel_pstate not to drop CPU Frequency?

I am using a Dell Dell Latitude 5511 Laptop with a Dell WD19 180W docking station. The OS is Arch Linux (Linux 5.17.5-arch1-1 x86_64). The CPU is Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz. the drive ...
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CPU comparisions [closed]

I have an older computer which CPU-z says is an Intel i5 4570, 4 cores, clock speed 2.5ghz. I want to buy a new computer and the one I'm looking at as an Intel i7-11700, 8 cores, base clock speed 2.5 ...
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2 votes
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My CPU is working on 100% until I open Task manager

I am here because I have a problem. My CPU is working at 100% (while I am idle) until I open Task Manager. When I open Task Manager it shows that my CPU is on 100% and after a half seconds it ...
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Mac Mini is super slow and I can't workout why

I've got a question which is puzzling me! I work for a gym and we have a Mac Mini (Late 2014), 1.4GHz, 4GB Ram. It's plugged into two tv screens. All we use it for is displaying the web browser - ...
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Simple Storage Space - more disks = faster read by slower write?

I'm trying to make use of some older, smaller disks & get maximum performance from them to hold Steam games/temporary photo editing files etc. - no resilience required. (Disclaimer, I have 4 disks,...
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WIndows 10 Memory Management - used, free, standby and file cache.... What is going on?

I have a W10 system which, while quite old now is not a slouch (Dell Precision T3620 with i7-6700, 32GB RAM, GTX 1060 6GB, 512 GB NVME, 2x512 SSD and 4TB HDD). I use it for work (software & DB ...
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Is Windows 10 scheduling algorithm throttling back my processes?

I have a 10-core, 20-thread Intel Core i9-7900X 3.3GHz CPU. I've been running between 18 and 20 threads on it for around four years, mostly under Windows 7. A few months ago I switched to Windows 10. ...
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Web scraping with python + selenium + multiprocessing in a docker container becomes slower over time

I have built a web crawling solution with python, selenium and multiprocessing which is deployed in a docker container in an EC2 instance (m4.2xlarge type). Whenever I run it with a large input, it ...
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How to best apply compression in Windows to speed up a slow disk with a powerful CPU?

I have a desktop PC with a reasonably powerful Ryzen 3700X (8c/16t) that runs Linux. I need to occasionally use Windows, but not often enough to justify dual-booting. I have instead installed Windows ...
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WMI query impact

I'm using a WMI query in a C# application to monitor some specific services variations every 5 seconds on two hosts - one host is where the application is actually running, the other is a host in the ...
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How likely is a 2 or 3 years old laptop giving slow performance as compared to when it was new?

My laptop is 3 years old (i7 8th generation with 940MX 4GB GDDR5 RAM and 8+8 GB RAM). I never got the hardware inside cleaned professionally. And I used it almost daily for at least 12 hours. In other ...
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Ryzen (Zen2) super slow VMWare Workstation emulation on Windows 10. But why?

I know, kind of a vague question but I have nowhere else to turn to. We wish to run virtual machines on one of our work machines and we can't figure out why it is so slow. No matter what guest OS we ...
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HDD faster than Ramdisk

I have a raid0 using 3x 1tb gen4x4 nvme m.2 drives. Bundled to drive C: This is my ssd speed: Then I decided to look if a ramdisk is faster. So I created a Ramdisk on drive F: This is the ramdisk ...
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High kernel usage in Windows 10 (after upgrade from Windows 7 to Windows 10)

TL;DR; There are high kernel usages all the time (I have other Win10 installations I could compare it to) and I've tried to do as much of my own investigation as possible (screens included). At... ...
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Windows 10 File Explorer Transfer Speed issue

I move a lot of files from one place to another and with a specific combo of 2 of my storage devices I noticed a strange behavior: When moving Data from one SSD to another SSD Transfer speeds are ...
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Can a processor make up for performance drop caused by a hard drive

I have a processor that is very strong and a hard drive that is very slow. I have installed a lot of heavy programs and IDEs on my system, on a laptop I had before if I had installed as many programs ...
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Max CPU Memory MT/s VS MHz

I was looking at the Intel i9 12900k specifications stating that the memory types supported are DDR5 4800 MT/s and DDR4 at 3200 MT/s. What is that translated to MHz? And will a CPU with max memory ...
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Periodic drops in SSD writing speed down to 20 MB/sec

Before yesterday I had extremely slow writing speeds on my SSD. My main SSD has capacity of 1.7 TB. I have another SSD but with smaller capacity of 960 GB. I decided to test the writing speed of both ...
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Windows Server 2019 extremely slow lately, can't figure out why

Over the past few weeks my Windows 2019 Server has been getting slower and slower. It's a development machine and I'm the only one on it. It's an Intel i7-4790 3.6ghz, 16gb RAM, one WD 500gb and one ...
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