I think it is the result matrix of B and C since the professor mentions it in the lecture.

When I run my program on Setonix, it occasionally gets killed, although sometimes it completes successfully. The logs indicate that the termination is due to an out-of-memory error. Could you provide information on the memory limitations for our progr...

It can be done. XB,XC contain all the information of the matrix X, and the same for Y. So you can get whatever you need from those matrix. I would suggest you to reverse thinking, from what to be calculated to what can be used. It is something like putt...

Maybe you could try "omp set num threads" and have a test.