Hi, I am experiencing some bottleneck with allgatherv routine in one of our programs and wonder how it works internally. Could you please share some details on this?
I found this [1] paper from Gropp discussing an efficient implementation. Is this similar to what we get in OpenMPI? [1] http://www.researchgate.net/profile/William_Gropp/publication/221597354_A_Simple_Pipelined_Algorithm_for_Large_Irregular_All-gather_Problems/links/00b49525d291830c67000000.pdf Thank you, Saliya -- Saliya Ekanayake Ph.D. Candidate | Research Assistant School of Informatics and Computing | Digital Science Center Indiana University, Bloomington Cell 812-391-4914 http://saliya.org
