Re: zcompile bug? zcompile on a single script setting up a chpwd function

[Doron Behar <doron.behar@gmail.com>]

On Wed, Oct 07, 2020 at 10:01:24AM +0200, Roman Perepelitsa wrote:
> On Wed, Oct 7, 2020 at 9:48 AM Doron Behar <doron.behar@gmail.com> wrote:
> >
> > The function `_chpwd_task_contexts_parser` defined in that file slows
> > down the shell startup time, and I was looking for a way to improve the
> > situation. I tried simply zcompiling it
> 
> zcompiling doesn't improve execution speed of functions. It can
> benefit you only if parsing takes a long time. Given the small size of
> file `taskwarrior` (3.5KB), parsing should be almost instantaneous (at
> most 1ms), so the speedup from zcompiling won't be noticeable.
> 
> > I get on startup:
> >
> >         [3] 27780
> >         /home/doron/.zsh/chpwd/taskwarrior.zwc:1: no such file or directory: ^G^F^E^D^A
> 
> Looks like taskwarrior.zwc is corrupted. My practical advice is to
> simply remove this file and not waste time on zcompile as it won't
> help you anyway. Slow shell startup is likely caused by the slow
> execution of _chpwd_set_task_context. You'll need to either avoid
> invoking this function or make it run faster.

The point is that I have done nothing that could corrupt the zwc file -
it's how zcompile generated it.

I won't use it though, listening to your advice, and think how to
improve it's execution.

Thanks, Doron.

> 
> Roman.
>