linuxaudio.org

I think I've got it :-)  Muchas gracias to Joakim Hernberg, who posted

the jack2 profiling document.  I read it about five times, trying to

ponder what my first step might be given that info.  It discusses two

major modes of jack2:  the default, which is asynchronous, and another,

which is synchronous.  Under asynch, my stress-test yields zero xruns

(or close) at 5.3 ms (as reported in Qjackctl); but under synch, my last

two tests say kosher at 0.667 ms *grin*  Shocking.  That synch makes a

whole lot of difference.  I can just imagine jack2 jockeying all four

CPUs to make that happen :-)  I'll be doing a lot more stress-testing to

prove it, but for right now, frames/period are 64, sample rate 192000,

two periods/buffer :-) :-)  I praise the Lord, and I thank everyone for

the help!
J.E.B.

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