Hi All, We updated the items in proposal 1 that we discussed at the last telecon. The updated proposal is attached to the Wiki. There are some open issues: 1) Pavan and I still need to talk about a good strategy to handle the lock-free vs. lock-all/shared naming/syntax issues. 2) Keith and Brian, could you please elaborate on the arguments against allowing multiple elements (count>1) in MPI_Get_accumulate? I remember there was some discussion about buffering and failures if one wanted to support it in hardware but I don't remember what the issues were. It seems like one could simply pipeline the hardware operations or just fall back to a software implementation if count is bigger than a certain threshold. Thanks & All the Best, Torsten -- bash$ :(){ :|:&};: --------------------- http://www.unixer.de/ ----- Torsten Hoefler | Performance Modeling and Simulation Lead Blue Waters Directorate | University of Illinois (UIUC) 1205 W Clark Street | Urbana, IL, 61801 NCSA Building | +01 (217) 244-7736