Comments (3)
Tuurlijk
commented on August 18, 2024
3
I've been shaving microseconds the last couple of days. And I have found that replacing zgen with a shim function saves time:
# Load zgen only if a user types a zgen command
zgen () {
if [[ ! -s ${ZDOTDIR:-${HOME}}/.zgen/zgen.zsh ]]; then
git clone --recursive https://github.com/tarjoilija/zgen.git ${ZDOTDIR:-${HOME}}/.zgen
fi
source ${ZDOTDIR:-${HOME}}/.zgen/zgen.zsh
zgen "$@"
}
Then in your init check script, you can use:
# check if there's no init script
if [[ ! -s ${ZDOTDIR:-${HOME}}/.zgen/init.zsh ]]; then
echo "Creating a zgen save"
else
source ${ZDOTDIR:-${HOME}}/.zgen/init.zsh
fi
And maybe you want to do:
zcompile ${ZDOTDIR:-${HOME}}/.zgen/init.zsh
After generating the init script. Right after zgen save.
This gives me:
Using zgen
repeat 10 {time zsh -i -c exit}
zsh -i -c exit 0.09s user 0.03s system 98% cpu 0.124 total
zsh -i -c exit 0.09s user 0.03s system 97% cpu 0.118 total
zsh -i -c exit 0.09s user 0.03s system 97% cpu 0.126 total
zsh -i -c exit 0.08s user 0.03s system 98% cpu 0.110 total
zsh -i -c exit 0.08s user 0.03s system 98% cpu 0.117 total
zsh -i -c exit 0.08s user 0.03s system 98% cpu 0.117 total
zsh -i -c exit 0.10s user 0.03s system 98% cpu 0.130 total
zsh -i -c exit 0.09s user 0.03s system 98% cpu 0.122 total
zsh -i -c exit 0.08s user 0.03s system 98% cpu 0.111 total
zsh -i -c exit 0.08s user 0.03s system 98% cpu 0.111 total
Using shim and direct test against and sourcing of init.zsh
repeat 10 {time zsh -i -c exit}
zsh -i -c exit 0.05s user 0.02s system 96% cpu 0.068 total
zsh -i -c exit 0.05s user 0.02s system 97% cpu 0.073 total
zsh -i -c exit 0.05s user 0.02s system 95% cpu 0.072 total
zsh -i -c exit 0.05s user 0.02s system 96% cpu 0.068 total
zsh -i -c exit 0.05s user 0.02s system 96% cpu 0.072 total
zsh -i -c exit 0.05s user 0.02s system 96% cpu 0.071 total
zsh -i -c exit 0.05s user 0.02s system 97% cpu 0.070 total
zsh -i -c exit 0.05s user 0.02s system 96% cpu 0.076 total
zsh -i -c exit 0.05s user 0.02s system 97% cpu 0.068 total
zsh -i -c exit 0.05s user 0.02s system 97% cpu 0.073 total
Does something like that improve loading times for you?
from zgen.
smac89
commented on August 18, 2024
Ironically, not saving the configuration is faster than saving it.
With saving
➜ for i in {1..5}; do /usr/bin/time zsh -i -c exit; done
1.62user 0.28system 0:01.86elapsed 102%CPU (0avgtext+0avgdata 36988maxresident)k
0inputs+48outputs (0major+111549minor)pagefaults 0swaps
1.59user 0.33system 0:01.86elapsed 103%CPU (0avgtext+0avgdata 36936maxresident)k
0inputs+48outputs (0major+111176minor)pagefaults 0swaps
1.59user 0.33system 0:01.87elapsed 102%CPU (0avgtext+0avgdata 37436maxresident)k
0inputs+48outputs (0major+111984minor)pagefaults 0swaps
1.59user 0.32system 0:01.84elapsed 103%CPU (0avgtext+0avgdata 37096maxresident)k
0inputs+48outputs (0major+111236minor)pagefaults 0swaps
1.62user 0.30system 0:01.87elapsed 103%CPU (0avgtext+0avgdata 36984maxresident)k
0inputs+48outputs (0major+111390minor)pagefaults 0swaps
Without saving:
➜ for i in {1..5}; do /usr/bin/time zsh -i -c exit; done
1.45user 0.29system 0:01.75elapsed 99%CPU (0avgtext+0avgdata 33328maxresident)k
0inputs+64outputs (0major+81763minor)pagefaults 0swaps
1.35user 0.25system 0:01.60elapsed 100%CPU (0avgtext+0avgdata 33368maxresident)k
0inputs+64outputs (0major+81667minor)pagefaults 0swaps
1.33user 0.27system 0:01.60elapsed 100%CPU (0avgtext+0avgdata 33280maxresident)k
0inputs+64outputs (0major+81729minor)pagefaults 0swaps
1.39user 0.30system 0:01.69elapsed 100%CPU (0avgtext+0avgdata 33340maxresident)k
0inputs+64outputs (0major+81740minor)pagefaults 0swaps
1.36user 0.27system 0:01.62elapsed 100%CPU (0avgtext+0avgdata 33408maxresident)k
0inputs+64outputs (0major+81695minor)pagefaults 0swaps
🤕
I could do with more time saving, but this is a start
from zgen.
jandamm
commented on August 18, 2024
I've created a maintained fork of zgen - dubbed zgenom - which fixes some bugs as well as introducing new features like lazy loading and compiling the source files which should improve this issue.
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Related Issues (20)
- Support Zsh plugin standard? HOT 2
- Why is $fpath extended after sourcing plugins? HOT 2
- Profiling plugin loads HOT 1
- zsh-vim-mode does not work
- zgen-update fails after latest update HOT 3
- Errors occurred when using oh-my-zsh and prezto together HOT 6
- Is there any sense that zgen loads some default plugins for prezto? HOT 1
- Adding environment variables to specific loaded modules
- Default loading of prezto modules breaks prezto docs
- selfupdate is broken
- Add ability to run makefile in plugin directory after installing.
- this a faster oh-my-zsh plugin manager than zsh itself?
- zplug equivalent HOT 1
- is zgen dead? HOT 9
- Set :prezto:load:pmodule-dirs
- Can't source zgen HOT 1
- Request: new load syntax for _not_ cloning submodules HOT 1
- How to load https://github.com/zimfw/archive? HOT 1
- Remove zgen and revert HOT 4
- bashcompinit
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