Questions tagged [performance]
For questions concerning computer, or computer-related, performance. Please include metrics in your questions.
4,186
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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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15
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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 ...
- 329
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14
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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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1
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60
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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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56
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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 ...
- 21
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45
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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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33
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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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1
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20
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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 ...
- 1,650
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32
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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. ...
- 111
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35
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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 ...
- 121
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25
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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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25
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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 ...
- 389
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78
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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 ...
- 432
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100
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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 ...
- 15.7k
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55
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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 ...
- 185
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42
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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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15
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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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5
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70
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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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85
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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 ...
- 147
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36
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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 ...
- 135
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146
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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 ...
- 131
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43
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Nexpose consumes 16GB RAM and is slow with 3.3GHz quad core
Nexpose vulnerability scanner was using too much RAM to run locally on my laptop, so I got it a high performance VPS that well exceeds its requirements. The Debian 10 server has 18GB RAM, 3.3GHz CPU ...
- 379
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21
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WA% in top command
Can someone explain what does the WA% command mean? I've gone thru several SO questions but my doubt still remains
WA is the amount of CPU time that was waiting on IO
How does CPU ever wait on an IO? ...
- 101
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22
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Can I profile or diagnose slow loading of startup programs in Windows
I regularly use both Windows and Linux on similar hardware (with fast SSDs, etc) and notice that the startup programs load much slower in Windows, eg
MS teams
Dropbox
The cisco VPN client
KeepassXC
...
- 1,769
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29
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Windows explorer slow, specifically after opening an archive
I recently noticed my windows explorer drastically slowing down and increasing its CPU usage after having opened a zip, a problem that stays even AFTER having navigated out of the zip. With this I ...
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1
answer
35
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How to find out what is slowing my laptop
I have a work laptop that works well when connected to my company's network.
But when I work from home the computer lags and is slow when performing some operations.
I have noticed for example:
When ...
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51
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Poor performance doing anything on Windows Server 2019 Datacenter Virtual Machine
We recently moved our workstation from on-prem hardware to an off-prem virtual machine workstation. In both cases, we connect through Remote Desktop Connection. The workstation is running a Windows ...
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14
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Test whether sluggish Win 10 laptop is due to SSD speed reduction due to getting full
I have a Dell Win 10 Laptop with an SSD and I have noticed its responsiveness has slowed down over the past few months. Things like opening files, saving files etc. are slower than they used to be on ...
- 420
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15
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Advice about fixing SQL Server 2014 database performance
I noticed that a system I have in a production server is running slow so I start studying about the causes. This is a SQL Server 2014 database whose data file size is 361.472 KB and log file was 427....
- 255
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75
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Copy & paste of text from OneNote (for Mac) to OneNote is EXTREMELY SLOW, while copying from outside remains fast
Copy & paste of even small snippets of text from WITHIN OneNote to the same or another page WITHIN OneNote is EXTREMELY SLOW.
Oddly, when copying text from OUTSIDE of OneNote, e.g. from Chrome or ...
- 151
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How can I make Virtual Desktop workspace transition smoother in Windows 10?
On MacOS when I do a 4 finger swipe left/right, the transition looks really great. However on Windows it has a really clunky animation. Used to Mac so I'd like it if this feature felt/looked smooth.
I ...
- 101
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87
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Thumb Drive 8GB: slow write rate
I've just benchmarked some memory devices using GNOME Disks and F3. Here's a summary:
Device
Size
Avg Write
Min Write
Max Write
Chart
Compact Flash
64 MB
1.1 MB/s
1.1 MB/s
1.1 MB/s
benchmark 1
...
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80
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Slow File Transfer via 10GbE
I have two machines locally connected via 10 Gigabit Ethernet. System Information:
Machine A: Intel Core i7 8700K, 32 GB DDR4 memory, Intel X550-T2 10GbE NIC, Arch Linux
Machine B: AMD EPYC 3101, 256 ...
- 101
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1
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316
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What could cause my OS to be slow?
My dual boot linux-windows got slow on both operating systems. The GUI components render slow and sluggish.
I've tried everything I know but haven't been able to pinpoint the issue.
Malware: I ran ...
- 181
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1
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39
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How to ACCURATELY Measure ACTUAL BANDWIDTH Performance of a Full-Fibre FTTP Broadband Connection
I have an 80MB Down / 20MB UP FTTP broadband connection.
I did a an Internet Speed Test and this reported a performance of 43 MB. Review of bandwidth and CPU usage on the router didn't account for the ...
- 263
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55
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How to make the Windows GUI draw itself faster
I have a fairly powerful Windows 10 machine with multiple SATA SSDs, Core i7-3770K @3.90 GHz and 32 GB RAM. GPU is a GTX 950 powering three 4K monitors at 200% dpi setting.
However, I can basically ...
- 176
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same ffmpeg preset got way slower in X265 compared to a year ago - why?
If I compare several ffmpeg versions, the speed got down by 50% even with the same encoding profile "medium" so I wonder what the change was. That change happend any time in summer 2021.
I ...
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92
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VMWare VM's get laggy and disk W/R is really slow
I'm having an issue with VMWare VM's where they get really laggy and disk Write/Read speeds get reaaaally slow when copying files from a network shared folder from my PC to the VM.
It seems that ...
- 15
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23
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Windows 10 - Can't view what's causing high memory usage [duplicate]
My PC is generally sitting towards 90% memory usage and often hitting 100%. If I look in the Task Manager I can see one app using roughly 20% but there rest of the processes don't add up to 90%.
I ...
- 101
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38
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How to troubleshoot this HDD performance issue?
I purchased WD60EZAZ for usage in Synology DS118 NAS. I put around 500GB of data onto the disk, however I noticed very slow read/write performance.
I decided to run some tests on the disk directly, to ...
- 161
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39
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Unexplainable RDP slowdown
I have a really weird problem that I can't wrap my head around.
Situation:
RDP server, running Windows Server 2019, with many clients.
A user connects to the RDP server from Windows 10.
They open a ...
- 54.3k
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68
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Is an fsync-less tool such as eatmydata still relevant?
I've just heard about eatmydata, which disables fsync to speed up things when data safety is not needed (tests, CI builds, etc):
libeatmydata is a small LD_PRELOAD library designed to (transparently) ...
- 1,661
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1
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39
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Why does my Evo 850 perform way below spec?
My Samsung 850 Evo is the only SSD in my setup (+ 1X Intenso 240 M.2 SATA and 1x Intenso 120GB SATA, besides it) that performs way under the public benchmark tests, particularly when writing.
Its ...
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1
answer
64
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Mac - VirtualBox slow when unfocused
I am on a Mac laptop running Win10 in VirtualBox. I have noticed a degradation in performance of the VM when the VirtualBox VM window is not the focused window on the Mac. To be clear, this happens ...
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25
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Troubleshooting High System CPU Usage
I have been noticing that occasionally my "System" process is usually a lot (usually 80-90%) of my CPU. This happens when it is just idling or when I am using applications. It will calm down ...
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232
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ffmpeg taking a ton of time to create a video from input files - is it stuck or is it just slow?
I'm using video2x to upscale a video file that weighs around 4GB, in 1080p resolution to cinematic 4K, using Anime4KCPP.
Hardware-wise I'm using:
CPU: Ryzen 5950X
GPU: RTX 3090, overclocked a bit
...
- 77
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72
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Why is my laptop suddenly laggy
Specs
Dell XPS 9560 (bought new, 2017)
15" FHD | Windows 10 | 16 GB RAM | 512 GB SSD (Toshiba) | i7-7700HQ | Nvidia GTX 1050
I am generally quite prompt about software updates, both OS and ...
- 113
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1
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74
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Extremely slow HDD speeds (< 1 Mib/s)
Update: I mistakenly thought it was my SSD that was acting up, but it's actually my HDD. I have corrected everything below.
Update: This HDD is 18 years old. I guess it's a bit dumb of me to even ...
- 123
1
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0
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26
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How could installed programs slow your computer if they're not running? [closed]
My question is: in what ways could installed programs have an impact on speed or power of a PC when they're not running any processes?
I'm not talking viruses or spamware. Let's assume the following:
...
- 1,264
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21
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Are there any performance issues with allowing a hard drive to become full if the drive is effectively read-only?
I'm fairly confident that the answer is "no issues," but I'm asking here in case there are any quirks that I'm failing to consider.
Context
I have a large storage array (on a Linux system) ...
- 202