Questions tagged [speed]

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

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27 views

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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38 views

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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Erratic network issue

The issue occurred as I rewired the home network. All wires are CAT6e, Gigabit switches and a Gigabit internet line (940 Mbps...). I am using the same RJ45 plugs for all connections and had before no ...
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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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Which HDD track is the fastest? [duplicate]

I was told by a friend, that the (physically) innermost track on an HDD platter will read and write the fastest. But I think to myself that the outermost track must have more capacity for blocks and ...
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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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1answer
10 views

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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23 views

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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22 views

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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37 views

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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dmidecode: Configured Memory Speed half of Speed [duplicate]

This is related but not completely similar to "Speed" vs "Configured Memory Speed" in dmidecode https://unix.stackexchange.com/questions/521434/dmidecode-for-ram-info-which-speed-...
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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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the RAM is giving me half the speed in the BIOS [duplicate]

I bought 4 DDR4 4000mhz RAM's with profile X.M.P. 2 and when I activate the profile and set the level to 3 the memory still shows me 2139.39 in the bios. my motherboard is a Gigabyte Aorus X570 PRO ...
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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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samba server on linux - w/r speed more slow in ext4

i install a samba server on ubuntu server. i configure by default(but try diferent parameters) .there is two usd drive mount, one with ext4 and other in ntfs the hardware is a minipc: intel celeron 1....
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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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113 views

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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VLC app takes a long time to search folders on nas

Previously, I had a 4 TB external hard drive connected to my router that contained my movie library. I could use the VLC app on my tablet to quickly search the drive, select a film and cast it to my ...
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663 views

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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Is there any way to speed up Windows startup with fast startup disabled?

I had to turn off windows fast startup because it was giving me blackscreens all the time. I read somewhere on the reddit that this is a motherboard issue(x470 and b450 gaming pluses from MSI and I've ...
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38 views

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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18 views

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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1answer
54 views

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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127 views

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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196 views

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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76 views

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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1answer
30 views

What is the speed and detail operation when several devices do a Speedtest in an MU-MIMO router simultaneously?

I have read a lot of articles that try to explain how MU-MIMO works, but I still can't figure out how the below picture works. It shows that MU-MIMO Wi-Fi allows every device to have an ISP speed ...
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3answers
220 views

Is wifi speed different for Mac and Windows?

So I have a PC with Windows 10 and a MacBook Pro. My ISP is FIOS by Verizon with a 200Mbps plan(Not sure if it's Megabytes per sec or megabits per sec... If someone can help me get educated on this I'...
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532 views

Converting pice 3.0 x24 slot to pcie 4.0 x16, possible?

This is for a high bandwidth ssd. I know I can plug the pcie 4.0 card into a pcie 3.0 x16 port directly, but then I would be stuck at the bandwidth of pice 3.0 x16 which wouldn t be able to exploit ...
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1answer
36 views

How do I slow down file transfer between drives?

I recently got a 2tb drive and I made the mistake of assuming the drive was working fine and moving a lot of my files onto it. I tried to move some of the files back to my original drive, but I ...
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477 views

If you run fast RAM at a slower clock speed, will the latency timings improve?

I am buying a motherboard and CPU that support DDR4 2400 memory. For approximately the same cost, I can buy either of the following two types of memory: DDR4 2400 memory with timings of 16-16-16-39. ...
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MATLAB Simulation speed in Simulink Test, when the model contains referenced models

I have a model that contains 20 referenced models. With the MATLAB default settings, it takes about 90 seconds to simulate the model. I've set the Rebuild option in Model Referencing of Configuration ...
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Ram faster than CPU e2620 v3 [duplicate]

What would happen if I put a 2400mhz ram on a E5 2620 v3 which supports only a maximum of 1866 MHz?! I read that that would work but CPU could only reach its maximum, but is there any exception?
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547 views

Google Chrome really slow loading pages (single-threaded blocking process)

Version Performance degradation using Chrome version 84.0.4147.125 and Chromium version 84.0.4147.89 on Fedora 32 (Kernel 5.7.15-200.fc32.x86_64) Problem Realy slow render speed when opening a new tab ...
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1answer
80 views

How much RAM to add t i3-6100 processor to fasten speed?

I am having desktop with i3-6100 processor with 4GB Ram with 1TB HDD. But it slows down while video editing in Filmora, slows down while opening heavy PPT or Chrome Browser. Can adding 4GB more Ram ...
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553 views

Limit Disk Usage of WSL2

As the title already states, I want to limit the disk usage of the Linux subsystem. I'm trying to build huge projects on the WSL while using Windows normally... I already limited the RAM and CPU usage ...
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29 views

VHDX I/O performance. Is it slower?

Does storing data in a VHDX virtual drive make it slow to read and write? Or is it the same as copying file withing the same physical drive?
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39 views

New Flash SDD is copying as regular USB flash drive

I bought a new Seagate OneTouch SDD of 500Gb. I tried to pass some information, but it copy at regular speed. I ran a benchmark and the result was the same of my small SanDisk USB Flash of 32Gb, both ...
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31 views

USB Drive Writing speed is so slow

I have a 32gb sandisk usb drive. Today when i tried to copy some of the movies to my USB, it was so slow. I mean always the speed goes below 500kb. I used the drive even yesterday. I have faced no ...
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64 views

How To Determine Bottlenecks in a Computer

This question is not for users trying to optimize a toaster, but instead for enthusiasts who build computers, and are looking for some idea of how much an upgrade to specific components may help. ...
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1answer
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Can a Thunderbolt cable be “TB3” is it doesn't support 40GB/s

As I understood, thunderbolt 3 specs include a bitrate of 40Gb/s. How can this startech cable be TB3 if it's only 20Gb/s ? https://www.startech.com/be/nl/Kabels/thunderbolt-3-kabels/thunderbolt-3-...
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7k views

Effects of extending RJ11 cable length to modem

I have a VDSL home network that consists of a tp-link modem-router (Archer VR400), connected to a splitter (filter) by a 1 meter RJ11 cable. My current speed by Ethernet connection is 90-95/100 Mbps, ...
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21 views

Measure WiFi LAN Speeds Windows 10

I measure file transfer speeds when copying files from one W10 machine to another on a private lan home network via WiFi adapters only (no wired ethernet) as displayed by File Explorer (not perfect ...
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68 views

Why is the download speed so slow while sharing a file over my home network?

I am trying to transfer a file having size of 700 MB from one of my PC at home to another PC which are both connected to the same Wi-Fi hotspot. It boasts of having a download speed upto 150 Mbps. But,...
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44 views

Main PC doesn't have the download speed as the other PCs, however, upload speed is normal

So, recently, I've gotten a faster internet connection (80mb/10mb), but I've noticed that on my main PC, the download speed only goes up to about 30-45 mb, however the upload speed is at 9.5 mb. Here ...
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46 views

Why is my internet speed slower on my PC than my Laptop

I have a Gigabit switch and through it i connected Cat6 cable to my laptop and the speedtest gives me around 260mb/s which is the appropriate speed but when i connect the same cable to my PC which ...
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2answers
65 views

Is normal this speed of Reading an Writing in my SSD?

I'd realised that SDD's speed to move or copy folder is too slow (SDD M.2), I installed a software to see the spped that it could have, and ins't the same when for example I moving a folder or coping ...
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1answer
480 views

Gigabit lan has slow speeds

So I am trying to setup gigabit lan and be able to transfer files across computers at over 100 MB/s. But I can only achieve 20-25 MB/s. My setup is the following: - Two machines: a brand new laptop ...
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1answer
111 views

An audio player that changes speed but ALSO affects the Pitch?

Many audio players can simply change playback speed, but the pitch is corrected to keep the music sounding natural. Like VLC or Windows Media Player and many others. My intent is to create in real-...

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