What about the number of buffers?

Holger Marzen <[email protected]> Wed, 7 Aug 2019 16:59:20 +0200 (CEST)
Newsgroups gmane.comp.audio.jackit
Message-ID <[email protected]>
What is the difference between
  jackd -n2 -p192
and
  jackd -n3 -p128

Both give a total of 384 samples in buffers.
What's the difference for jackd?

Regards
Holger