Top "Latency" questions

This tag implies latency is a significant consideration

How do I simulate a low bandwidth, high latency environment?

I need to simulate a low bandwidth, high latency connection to a server in order to emulate the conditions of …

testing bandwidth latency
Approximate cost to access various caches and main memory?

Can anyone give me the approximate time (in nanoseconds) to access L1, L2 and L3 caches, as well as main …

memory latency cpu-cache low-latency
How does LMAX's disruptor pattern work?

I am trying to understand the disruptor pattern. I have watched the InfoQ video and tried to read their paper. …

concurrency latency actor disruptor-pattern
How to ping IP addresses using JavaScript

I want to run a JavaScript code to ping 4 different IP addresses and then retrieve the packet loss and latency …

javascript ping latency
fastest (low latency) method for Inter Process Communication between Java and C/C++

I have a Java app, connecting through TCP socket to a "server" developed in C/C++. both app & server …

java c++ performance ipc latency
How to calculate packet time from latency and bandwidth

I have a link between a host and a switch. The link has a bandwidth & a latency. How to …

networking communication latency switching packets
How can I reduce input latency in a VirtualBox VM?

I've installed a Ubuntu VM using VirtualBox, but when I start it up the input lag is really noticeable. For …

virtual-machine virtualbox latency
Fastest technique to pass messages between processes on Linux?

What is the fastest technology to send messages between C++ application processes, on Linux? I am vaguely aware that the …

c++ linux performance ipc latency
What do we mean by "top percentile" or TP based latency?

When we discuss performance of a distributed system we use the terms tp50, tp90, tp99.99 TPS. Could someone explain what …

latency distributed-system performance
How can I find the response time (latency) of a client in NodeJS with sockets (socket.io)?

I'm trying to create a multiplayer game with NodeJS and I want to synchronize the action between clients. What would …

node.js websocket socket.io latency