Questions tagged [speed]

Questions about optimizing your computer to take up less boot time, application launch time, download time, etc.

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Wi-Fi speed is substantially less than my router speed

I recently had my speed increased to 250Mbps by my ISP. When I checked it with a number of speed checkers using an Ethernet cable it was indeed correct. However when I tried it on Wi-Fi sitting next ...
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2 x 8gb RAM with 2 x 16 GB ram

The computer came with 2 x 8GB. That works well like that. I Recently upgraded my PC: I replaced the RAM, so now, I have 2 x 16GB ram on the motherboard (Asus ROG Strix B550-E) spaced apart from ...
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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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Is there a way to Manually Control Fan Speed for my HP Pavilion Gaming 15 ec2xxx?

I've a HP Pavilion Gaming 15 ec2xxx with an AMD Ryzen 5600H and a GTX 1650 GDDR6. I'd like to manually control my fan speed but I can't find anything working. I tried with Notebookfancontroller but ...
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Samsung SSD 980 PRO capping out at 510MB/s

I have a Samsung SSD 980 PRO (PCIe 4.0 NVMe M.2) which caps out at ~ 510 MB/s write speed (see test details below) which leads me to the conclusion that it is not attached via the NVMe interface but ...
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Why is transferring a file over LAN so slow?

I have two Windows 10 machines. Both are connected via cable to a hub. The switches are connected by cable and one hub is connected with the router for internet via cable (so no WiFi involved). The ...
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Is my connection speed okay?

I have a so-called ADSL2+ connection with this characteristics displaying in my zyxel modem page: noise margin downstream: 9.6 dB output power upstream: 12.2 dbm attenuation downstream: 34.2 dB Upon ...
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Ethernet connection speed is still the same after a change in speed and duplex option to 1Gbps full duplex

I discovered that the Ethernet speed is only 100Mbps when I checked on “Open Network & Internet Settings > Ethernet > Change adapter options > Double-clicking the Network Connection” I'm ...
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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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Decrease default profile copying time on windows 10

We have ~200 computers running Windows 10 LTSC. Every time new user logs in, Default profile being copied to his newly created profile folder. Every morning those computers being restored and all of ...
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Upgrading RAM, what if mix timings but speed is same?

I want to upgrade my laptop ram, and im not sure what ram should I buy to be compatible with the current one. Currently, I have Kingston 8GB 2666mhz with timings shown on the CPU-Z(19-19-43). I want ...
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What determines the "speed" of current-tech motherboards? [2021]

Back a decade or so, I built my PC while in Uni and the basic limiting factor for a motherboard's internal communication was the Front Side Bus speed. Too low a frequency (i.e. data transfer rate) in ...
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NVMe SSD speed almost doubles in safe mode than in normal Windows

NVMe SSD speed almost doubles in safe mode than in normal Windows. Safe mode: Normal mode: This is the SSD: Kingston’s A2000 NVMe PCIe SSD. Windows is not installed on this drive. Firmware is up to ...
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HDD running at extremely low cache speed

Since a few weeks ago my HDD has been extremely slow when reading and writing data from it. I have an internal SSD that runs the main Fedora 34 root system and home, a 500GB internal HDD that has ...
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Run a RAM speed test

Is there any way to test the actual speed of the RAM to know how many gigabytes per second it transfers data? I'm on a Windows machine, so solutions based on that would be nice, but if there is ...
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Why my ASUS BIOS detects and runs Kingston DDR4 3200MHz memory as 2400MHz?

In my new computer there are 2x8Gb Kingston Fury DDR 4 (Kingston kf432c16bb1k2/16) modules. Still ASUS Prime Z590-A with Intel i5 11600-K detects it as 2400MHz. Modules installed according ASUS ...
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Why does a WD HDD have 12 mb/s random write speed, 24 times as fast as its random read speed?

I used CrystalDiskMark to test an HDD whose model name is WDC WD40NDZW-11A8JS1 4000,7 GB. To my surprise, it's random write speed is whooping 12 mb/s, 24 times as fast as its random read speed. Not ...
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nperf results vs real world

When I test my 4G connection with nperf, I get somewhat good download results, say 40-50 Mbp/s (which is not great, but ok). When I download "something", say SSMS from Microsoft (they must ...
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How do I speed up MAUTIC delivery?

I'm running MAUTIC 4.0.1 on Linux (PHP 7.4... MySQL 8.0...) and sending via SendGrid API (Que). I've noticed that it sends anywhere between 5 to 10 emails a second. Is there any way to increase MAUTIC ...
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My mac and my PC don't show the same download speed

I recently installed fiber optics in my home and when I did some tests with nperf I noticed that while connected to the same wifi and placed next to each other, my Mac and my PC didn't have the same ...
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How to fix playback issues in VLC with a MKV file after slowing it down with ffmpeg

I ripped some extras from a DVD that are basically image galleries to MKV. They play way too fast, so I slowed them down using ffmpeg like this: ffmpeg -i input.mkv -filter:v "setpts=64*PTS"...
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How can I configure TeraCopy 3 so that it copies small (< 10 KB) files faster?

TeraCopy 3.6 copies small (< 10 KB) files very slowly (10 files ~= 3 secs): I didn't have this issue with TeraCopy 2. How can I configure TeraCopy 3 so that it copies small (< 10 KB) files ...
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have a speed issue with two websites [closed]

Two websites I manage https://www.wisepelican.com/ and https://www.kay-grant.com/ Are having speed issues. Wise pelican is a wordpress site that utilizes Divi builder and Kay-Grant Group is built on ...
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My scale factor is affecting my speed on Windows 10

So, whenever I adjust my scale factor, 200% for example. It'll get slower. If it was set to 100%, then it runs perfectly smooth. Im confused as to why this happens. As of writing I'm using VirtualBox ...
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2 laptops slow internet to 0.07 mbps

We have 2 laptops in my house, CenturyLink, 15 mbps plan. When either one is connected to the internet, it's blazingly fast and we get more than what we are paying for. If I connect the other one, it ...
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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 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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I bought a fast, refurbished laptop, but some Windows features are super slow

I've asked Reddit and Quora, but with to prevail. I thought I'd I consult here before I try and talk to Windows tech support or just send it back. Anyways, here's the situation: I recently bought a ...
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How can I decrease the V8 processing time when using ffmpeg?

I am working on a project where a lot of videos need to be converted quickly in a fairly good quality. I decided to use ffmpeg and V8 encoding because of the licensing of the codec. h.264 isn't an ...
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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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WAN is faster than WLAN even though it's an additional step

Yep, the title is right. My WLAN connections are unbearably slow, I'm talking 10 kbps. I have done many tests and tried to find the problem, including trying this on different computers and changing ...
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Upload speed capped at 100 Mbps only in LAN

I have a 500 Mbps Internet plan in Kazakhstan. In the wired connection, I have full 500 Mbps duplex to local (the same city) Speedtest servers: However, testing to servers located outside of my ...
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Download speed is super slow after reinstalling Windows 10

Speeds I used to get before were somewhere around 1,5MB/s. My top speed now is 20KB/s (I tried downloading with multiple browsers). Download speed in various applications has no problem with reaching ...
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Does an extra old internal hard disk drive affect my new PC system’s performance?

I've just recently bought a new PC with a high-speed SSD and a hard disk drive. I do care much about its performance and don't intend to slow it down by any means. I have an old 2 TB Green Western ...
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Internet speed poor in Normal Mode, good in Safe Mode

I am experiencing poor internet speed in Normal Mode and good internet speed in Safe Mode. Others have reported this as well, but in my case internet speed remains good when rebooting into Normal Mode ...
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Internet Speed Tests

I've recently had fibre broadband (FTTP) installed (900mbps/100mbps). One thing I've noticed which doesn't seem to make much sense is the results of speed tests. As above my connection is now 900mbps ...
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How does one test the LAN speed without a server?

When I need to test the intranet speed I typically use iperf3 at both ends (server and client) to check the flow rate between them. However recently when I tried some apps in the Play Store I noticed ...
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Why is my WiFi slow when I send a video using broadcast UDP packets on a different network (albeit sharing the same NIC)?

I have a setup where I send UDP broadcast packet for a video app. I run a VPS on my server and send UDP packets to a Jetson computer. The two are on the 10.0.2.x network. They both use my second ...
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Optimizing the running speed of a large table with many formulae

I have to make an Excel-based calculator for other users. This works really simply, it just has to tell does a cell include certain letters or not. The calculator is basically a large table (...
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OpenSSL 1.1.1f measure the speed of SHA3 series

In my Ubuntu OpenSSL 1.1.1f 31 Mar 2020 is installed. I can measure the SHA256 speed by $ openssl speed sha256 Help list the following as message digest commands Message Digest commands (see the `...
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Why does upload speed get slower the farther I am from the destination server while download speed remains mostly constant?

I recently upgraded from 250/40 cable internet to Gigabit down/up fiber internet and have an interesting finding I found recently. When I'm exchanging traffic from my computer to other remote servers (...
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Significantly lower download speeds than peers while torrenting

As you can see in the picture attached the average download speed I'm getting while downloading a torrent is 1 MB/s while my maximum limit from my ISP is 6.5 MB/s. One of the peers as you can see (...
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Why is my download speed higher than my bandwidth?

iperf3 reports my bandwidth between my laptop and router (openWRT) over WiFi to be 24.2 Mbits/sec. But when I run speedtest on my laptop I get download speed at 49.58 Mbps and upload 35.61 Mbps which ...
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SSD write speed drops at about 82-84% of the way into a file transfer

I am running into an issue where both my SSDs drop to about 1-2% of their write speed. This usually occurs when the file I'm transferring in-between them is about 84% complete. I have two different ...
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How to deterine why an internet connection is atypically faster or slower?

Sometimes, at single location, when nothing has changed with local hardware or software, internet throughput will be notably faster or slower. The first step, I have found, is to test on a wired ...
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How to use a USB Switch effectively? Data Transfer etc

This is my first time posting here, so feel free to correct me if I do something wrong. I am currently trying to optimize my workflow during the time of home office etc. I had the idea to use a usb ...
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Windows 10 "Save As" dialogue takes a long time to come up

I am running Windows 10 on a Dell XPS 17 that's only a couple of months old. Most things run blazingly fast, with one exception: Whenever I try to save a document (either from the web or from within ...
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Will a newer CPU with a few cores or an older CPU with more cores compile code faster? [closed]

I am a university student studying computer science, and I am just starting to explore the world of servers. I currently use a 2018 15" MacBook Pro as my main computer for writing, compiling, ...
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Why RAMDisk file copying of lots of small files slower than on SSD?

I'm very confused with results of copying folder with around 10 000 small files (250 MB total size): Copying from SSD to the same SSD (850 Evo 500GB) took 35 seconds. Also for info CrystalDiskMark ...
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Why the speed of my processor is reduced?

I have a motherboard model D865GLC, it is an old computer that needs an upgrade to use like a office worker or basic school, it has 4gb of ram, graphic tarjet agp8x of 64mb and pentium 4 2.20 ghz, I ...
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