René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Get-ChildItem to a file is 2x slower than CMD","articleBody":"# Steps to reproduce\r\n\r\n```powershell\r\n(Measure-Command { dir -Recurse C:\\rnw | Out-File C:\\temp\\1.txt }).TotalSeconds\r\n```\r\ntakes 15.222019 seconds\r\nwhereas CMD:\r\n```txt\r\nC:\\temp\\timecmd.cmd \"dir /s C:\\rnw \u003e C:\\temp\\1.txt\"\r\n```\r\ncommand took 0:0:8.47 (8.47s total)\r\n\r\n# Expected behavior\r\nSame performance as CMD.\r\n\r\n# Actual behavior\r\n2x slower than CMD\r\n\r\n# Environment data\r\n\r\n```none\r\nName                           Value\r\n----                           -----\r\nPSVersion                      7.0.1\r\nPSEdition                      Core\r\nGitCommitId                    7.0.1\r\nOS                             Microsoft Windows 10.0.20133\r\nPlatform                       Win32NT\r\nPSCompatibleVersions           {1.0, 2.0, 3.0, 4.0…}\r\nPSRemotingProtocolVersion      2.3\r\nSerializationVersion           1.1.0.1\r\nWSManStackVersion              3.0\r\n```\r\n","author":{"url":"https://github.com/asklar","@type":"Person","name":"asklar"},"datePublished":"2020-05-27T17:44:19.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":10},"url":"https://github.com/12817/PowerShell/issues/12817"}