[Wien] Info please on largest matrix size people have run

largest matrix size: 75508 (on 64 cpus; i.e. 32 nodes, dual-cpu 3.6 GHz Xeons + Infiniband; i.e. a rather old (more than 3 years) machine. ifort 9.0, clustermkl8.0, mvapich-0.9.8 PS: Our sysadmin installed recently ifort10.1, mkl10.0, mvapich-1.0, but so far we cannot use mpi across nodes (i

[Wien] Info please on largest matrix size people have run

Thanks. Is this with the current version -- just to eliminate some unintended bug in updates. In terms of mvapich not working, three ideas (perhaps not useful): a) My subnet manager (ib) keeps going down and I have to restart it (/etc/init.d/opensmd start) otherwise I lose IB communications b) I h

[Wien] Info please on largest matrix size people have run

I've run into a problem where Iin lapw1 cannot run a matrix of 43695 whereas 36867 works fine. These sizes are getting close to the sqrt of the largest integer, so I suspect a problem in either the intel scalapack libraries I am using or the mpi (mvapich). I'm going to try and narrow this down an