Vim Startuptime
| Project Name | Stars | Downloads | Repos Using This | Packages Using This | Most Recent Commit | Total Releases | Latest Release | Open Issues | License | Language |
|---|---|---|---|---|---|---|---|---|---|---|
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| Nb | 5,206 | a month ago | 281 | June 12, 2022 | 98 | agpl-3.0 | Shell | |||
| CLI and local web plain text note‑taking, bookmarking, and archiving with linking, tagging, filtering, search, Git versioning & syncing, Pandoc conversion, + more, in a single portable script. | ||||||||||
Better vim --startuptime
vim-startuptime is a small Go program to measure startup time of Vim. This program aims to be an
alternative of --startuptime option of Vim, which measures the startup time metrics to allow vimmers
to optimize Vim's startup.
After warm-up, vim-startuptime runs vim --startuptime multiple times internally and collects the
metrics from the results (e.g. average time for loading each plugin's scripts). The summary calculated
from the measurements is output to stdout.
Tested on Linux, Mac and Windows with both Vim and Neovim.
Installation
Download an executable from a release page.
If you want to install the latest stable version, please run following command. Go toolchain is necessary for running the command.
$ go install github.com/rhysd/[email protected]
Requirements
-
vim7.4.1444 or later (for--not-a-termstartup option) nvim
Usage
Just run the command with no argument.
$ vim-startuptime
By default, it tries to run vim and :quit immediately 10 times, collects the results and outputs
a summary of them to stdout.
Extra options: []
Measured: 10 times
Total Average: 189.954400 msec
Total Max: 198.062000 msec
Total Min: 183.966000 msec
AVERAGE MAX MIN
-------------------------------
98.532900 102.605000 94.275000: $HOME/.vimrc
51.859600 56.937000 49.897000: opening buffers
17.027900 18.810000 16.277000: /Users/rhysd/.vim/bundle/vim-color-spring-night/colors/spring-night.vim
11.878900 13.153000 10.567000: /Users/rhysd/.vim/bundle/vim-smartinput/autoload/smartinput.vim
9.407600 11.710000 8.606000: /usr/local/Cellar/macvim/HEAD-0db36ff_1/MacVim.app/Contents/Resources/vim/runtime/filetype.vim
...(snip)
0.009100 0.012000 0.007000: window checked
0.009000 0.012000 0.008000: inits 3
0.003000 0.005000 0.002000: clipboard setup
0.002600 0.004000 0.002000: editing files in windows
If you want to run with Neovim, please specify -vimpath option as follows:
$ vim-startuptime -vimpath nvim
If you want to give some options to underlying vim command executions, please specify them after
-- argument in command line as follows:
$ vim-startuptime -- --cmd DoSomeCommand
Please see -help option to know the command options.
What's Next after running vim-startuptime?
By running vim-startuptime, now you know which script file takes time to run. What you should do
next is :profile.
$ vim --cmd 'profile start profile.log' --cmd 'profile! file /path/to/slow_script.vim' -c quit
Profiled results are dumped to profile.log. Please check it. In log file, :set ft=vim would help
you analyze the results.
Please see :help profile for more details.
(Maybe) TODO
- Add more metrics like median
- Temporarily isolate CPU for running Vim if possible
License
Distributed under the MIT License.
