Questions tagged [latency]
Latency is the time difference between the start of an event and the time that the effects become noticeable.
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Fix high DPC latency for stornvme.sys (NVM Express controller)
I have a PC with Windows 11 (I had windows 10 and updated when it came out the 11) and it frequently get unusable because of very long freezes. After investigating for a while it seems that the ...
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Windows DPC latency increasing over time, despite different hardware configurations
Here's the scenario: I recently completed a new AM5 build consisting of the following components:
B650M Aorus Elite AX motherboard
Ryzen 7950X processor
Corsair Vengeance DDR5 memory (2x32GB)
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Sudden jumps in internet latency
For the past 2 months I've had some weird hitches on my internet.
Every so often (about 5-15 minutes) I get a single short spike of high latency. Below is a capture of the previous 200 ping results.
(...
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How to optimize VPN connection for low latency / ping
I am using a VPN (IPSec) connection to my home router to work on the road and access my home network. Now while having most times a good bandwidth, latency/ping isnt always great. Hence I was ...
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How to objectively measure RAM latency impact on performance
I'm already aware of these questions:
how to know if RAM is my bottleneck
How to determine if CPU or RAM or DISK is the bottleneck on Windows 7
How can I know if the speed of RAM is the bottleneck ...
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Jitter/High Latency in Windows UDP Stream
I have been using UDP/WiFi to pipe data between an embedded device (ESP32 acting as a UDP server) and my Windows machine. My objective is to send as many short packets (8-64byte payloads) as ...
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Identify latency problems to gaming server
I am playing an online game where the server is physically located in the same city (~10km=6miles). I have cabled internet with WiFi and have a ping around 170-200ms with severe spikes. From my phone ...
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SODIMM timings vs DIMM timigs
I try to google it but there is no information about why timings of DIMM DDR4 3200MHz is better (lower) than timings of SODIMM DDR4 3200MHz ?
I just found that fact on marketplaces, but there is no ...
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Reroute and tunnel udp connection to another server
I have been trying to establish a connection between a vps and a dedicated bare metal server for a month now. Basically, vps will act as a tunnel to connect to my dedicated server, I'm doing this to ...
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Curl Vs Spring RestTemplate.exchange - huge performance diffrence
Under what circumstances a Restful call made with curl would be much faster than Spring's RestTemplate
I have to use Spring's RestTemplate's exchange methods as I am sending a JWT token as an Http ...
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Is this keyboard latency test accurate for both PS/2 and USB keyboards? How can I test the latencies of keyboards?
I plugged in my old PS/2 keyboard while getting my USB keyboard clean and dry, and I think I feel it has lower latency, and I want to test the latencies of the keyboards now.
According to the test at ...
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Single channel CL9 vs dual channel CL11
I have to upgrade the DDR3 RAM of an old PC. At the same price, do I get the best performance with a single channel cl9 or a dual channel cl11? Both 1600MHz
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SSD Latency over USB
I've just learned that (internal) SSD latency is in the ballpark of some microseconds (1/1000th a millisecond) and HDD latency is in the range of milliseconds.
I went out and bought a USB-C 3.2 Gen 2 ...
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CL9 dual channel vs CL11 quad channel
I have to upgrade the RAM of an old PC, for the same price I can buy two kits: four 4GB CL11 modules or two 8GB CL9 modules, both at 1600MHz. which of the two options gives the best performance?
The ...
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SATA SSD Latency using ioping
SATA SSDs are expected to have latency in the range of a few hundred microseconds, but when I measure it using ioping, the latency is around 2ms.
Is there any reason for such high latency in SATA SSDs?...
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