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by vladvasiliu
1871 days ago
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Well, you're right, technically. But in that case, all terminal applications have latency, so is your point that the parent's complaint is unfounded? In these kinds of discussions, the talk is usually about perceived latency not absolute latency. If it feels like there's basically none, then it's good enough. It doesn't mean there's absolutely 0.0 ns latency. > Different people have different sensitivity to latency This I can get behind. But I doubt that what seems instantaneous to me would seem "terribly long a time" to someone else, especially since I look specifically for this. As you pointed out, no terminal app has absolute 0 latency, so if one particular software has terrible latency compared to another one, the difference would have to be pretty huge. Do note that I'm not talking about being bothered by the latency. I know a lot of people who will notice the latency when pointed out to them, but they don't really care. Personally, I hate when things lag, even if I may happen to have a worse perception than average (don't actually know if that's the case). |
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All terminals have latency, but that doesn't mean that all terminals have equal latency. Point was that anecdotes about subjective instantaneity are pretty meaningless, especially without any reference point.
It would be much more meaningful to substantiate the discussion with actual data; the measurements done by danluu are one example https://danluu.com/term-latency/
Of course there can be quibbles about the specific methodology, but its still much better than having no data at all. Especially for something that is as measurable as latency is.
In general if you claim something is fast, back that claim up with some numbers.