you can take a look into
it has a different aproach. your code is scanned for printfs and then there are just ids written + the values itself and not all of the additional texts etc. so it is much faster than a normal printf as there is no printf formating etc done on the mcu
The author can explain it better than me:
trice- how it works
trice- speed
eyalroz printf is good and it works flawlessly but as said: not suitable for every use case