neovimのos特定の速度のベンチ

os-detect-neovim-benchmarks.lua

-- 測定回数
local iterations = 100000

-- ヘルパー関数で時間を計測
local function measure_time(fn)
  local start = vim.uv.hrtime()
  for _ = 1, iterations do
    fn()
  end
  local duration = vim.uv.hrtime() - start
  return duration / 1e6 -- ナノ秒をミリ秒に変換
end

local function detect_with_fn_has()
  return vim.fn.has('Linux') == 1
end

-- vim.uv を使用した macOS 検出
local function detect_with_uv_os_uname()
    return vim.uv.os_uname().sysname == 'Linux'
end

-- vim.fn.has('mac') の実行時間を測定
--local fn_has_time = measure_time(detect_with_fn_has)
local fn_has_time = measure_time(detect_with_fn_has)
print(detect_with_uv_os_uname())
print(string.format("vim.fn.has('mac'): %.2f ms", fn_has_time))

-- vim.uv を使用した実行時間を測定
local uv_time = measure_time(detect_with_uv_os_uname)
print(detect_with_uv_os_uname())
print(string.format('vim.uv.os_uname: %.2f ms', uv_time))

-- 結果を比較
if fn_has_time < uv_time then
  print("vim.fn.has('mac') is faster.")
else
  print('vim.uv.os_uname is faster.')
end

vim.fn.has is faster than vim.uv.os_uname in neovim v 0.11

true
vim.fn.has('mac'): 39.46 ms
true
vim.uv.os_uname: 210.83 ms
vim.fn.has('mac') is faster.