As currently designed, it's entirely in-process. Shared memory with buffer lifetime handling is taking care of by something like Plasma.
Regards Antoine. Le 01/10/2019 à 22:22, Jed Brown a écrit : > I'd just like to chime in with the use case of in-situ data analysis for > simulations. This domain tends to be cautious with dependencies and > there is a lot of C and Fortran, but the in-situ analysis tools will > preferably reside in separate processes while sharing memory via shared > memory (/dev/shm or MPI_Win_allocate_shared). An in-memory protocol > that holds raw pointers would be problematic because they are typically > in different virtual address spaces when shared between processes. I > think this is a potential application for a C interface with lean > dependencies, but it wouldn't be useful if it can't be shared > out-of-process.
