[OMPI users] Using MPI in Toro unikernel

2022-07-24 Thread Matias Ezequiel Vara Larsen via users
Hello everyone, I have started to play with MPI and unikernels and I have recently implemented a minimal set of MPI APIs on top of Toro Unikernel (https://github.com/torokernel/torokernel/blob/example-mpi/examples/MPI/MpiReduce.pas). I was wondering if someone may be interested in the use of unike

Re: [OMPI users] Using MPI in Toro unikernel

2022-07-24 Thread Gilles Gouaillardet via users
Matias, Assuming you run one MPI task per unikernel, and two unikernels share nothing, it means that inter-node communication cannot be performed via shared memory or kernel feature (such as xpmem or knem). That also implies communication are likely using the loopback interface which is much slowe

Re: [OMPI users] Using MPI in Toro unikernel

2022-07-24 Thread Matias Vara via users
Hello Gilles, Assuming you run one MPI task per unikernel, and two unikernels share > nothing, > it means that inter-node communication cannot be performed via shared > memory or kernel feature > (such as xpmem or knem). That also implies communication are likely using > the loopback interface > w