The new API reads like a query function. Why not MPI_Pbuf_prepare? Ken On 9/11/20, 11:27 AM, "mpiwg-persistence on behalf of Grant, Ryan Eric (-EXP) via mpiwg-persistence" <[email protected] on behalf of [email protected]> wrote: Hi everyone, I’ve worked up changes to the MPI_Psync ticket, including a renaming. Please check out the changes at https://github.com/mpiwg-persistence/mpi-standard/compare/9fa1e9f..6e63e34 I’ve updated the text to reflect suggestions from the last reading and included some other improvements. The goal is to announce this for reading at the next Forum meeting by the deadline this Monday. Thanks, Ryan