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view src/testdir/test_bench_regexp.vim @ 27447:4050f0554902 v8.2.4252

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patch 8.2.4252: generating the normal command table at runtime is inefficient Commit: https://github.com/vim/vim/commit/4dc0dd869972ddafc7d9ee5ea765645b818a6dc9 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Sat Jan 29 13:06:40 2022 +0000 patch 8.2.4252: generating the normal command table at runtime is inefficient Problem: Generating the normal command table at runtime is inefficient. Solution: Generate the table with a Vim script and put it in a header file. (Yegappan Lakshmanan, closes #9648)
author Bram Moolenaar <Bram@vim.org>
date Sat, 29 Jan 2022 14:15:04 +0100
parents 16460964c304
children
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" Test for benchmarking the RE engine

source check.vim
CheckFeature reltime

func Measure(file, pattern, arg)
  for re in range(3)
    let sstart = reltime()
    let before = ['set re=' .. re]
    let after = ['call search("' .. escape(a:pattern, '\\') .. '", "", "", 10000)']
    let after += ['quit!']
    let args = empty(a:arg) ? '' : a:arg .. ' ' .. a:file
    call RunVim(before, after, args)
    let s = 'file: ' .. a:file .. ', re: ' .. re ..
          \ ', time: ' .. reltimestr(reltime(sstart))
    call writefile([s], 'benchmark.out', "a")
  endfor
endfunc

func Test_Regex_Benchmark()
  call Measure('samples/re.freeze.txt', '\s\+\%#\@<!$', '+5')
endfunc

" vim: shiftwidth=2 sts=2 expandtab