gevisz wrote:
вс, 3 янв. 2021 г. в 14:09, meine <[email protected]>:
Does anyone know if installed plugins affect the speed of Vim
when they are not used?
It is not clear what you mean by "not used plugins".
If "not used" here means that these plugins are not loaded
into the memory while Vims starts, I cannot see any reason
why they should have any influence on its performance.
If, however, "not used" means that they are loaded into
the memory while Vim starts but eventually are not used
by the user, then of course they can affect its performance,
for example, by constantly checking if the user has not
entered a sequence of symbols that should be processed
by them.
I agree with gevisz: a plugin could have an impact on performance even
if not used. Just imagine that there's a busy wait loop that fires up
when the plugin is loaded -- it would just hog the machine (well, at
least a core).
Nonetheless, mostly what plugins do upon startup is:
define functions
define various mappings, commands
Vim, of course, does have to determine whether or not a given sequence
of symbols invokes a command, function, or mapping. There are a number
of ways to do this; some are log-m (m=qty characters in the string,
n=qty of strings), so adding in extra mappings, commands, and functions
should be negligible cost in time.
So, I would not expect unused plugins to exact a performance cost.
Regards,
Chip Campbell
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