QuickBoot for CyanogenMod 12.0 / 12.1 (iris x8)

QuickBoot for CyanogenMod 12.0 / 12.1

/* Installation */

1. Download QuickBoot.zip from XDA attachments section
2. Flash the downloaded zip file from the recovery
3. Enable QuickBoot from Developers options

download link for lava iris x8 here

how it works and what is it exactly
see here