Asklemmy

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How is Lemmy so fast? (lemmy.ml)

submitted 1 year ago by [email protected] to c/[email protected]

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Reddit lags every time you use it, but Lemmy feels so smooth with the response time. What is the magic of Lemmy's high performance?

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[–] [email protected] 21 points 1 year ago

In order of significance:

Way smaller scale

This is the most significant part, large scale means entirely different problems to tackle.

Less functionality

Seen from the perspective of the codebase. Some of this functionality is not of interest to the users (tracking etc). All code executed takes time in some way, shape or form.

Younger codebase

Lemmy has had less time to accumulate cruft compared to reddit.

Written in Rust vs Written in Python

Not super-significant at the end of the day, but it does make a difference.