Fastest possible way to delete large number of files/folders for MS Win (thousands to millions of folders)

stuff_to_del.bat

@echo off
cd /d %~dp0
set /p Input=Enter Folder name to delete: 
:ConfPromt
set /p Confirm=Are you sure you want to delete "%CD%\%Input%"?(y/n):
IF /I "%Confirm%" == "n" (
	Echo Canceling.
	pause
	EXIT /b
)
IF /I NOT "%Confirm%" == "y" (
	GOTO ConfPromt
)
Echo Delete Start
set "startTime=%time%"
del /f/s/q "%Input%" > nul
rmdir /s/q "%Input%"

Echo "Deleted %CD%\%Input% in [%startTime% > %time%]"
pause