Gregory D. Benson Cho-Wai Chu Qing Huang Sadik G. Caglar A Comparison of MPICH Allgather Algorithms on Switched Networks. 335-343 http://dx.doi.org/10.1007/978-3-540-39924-7_47 2003 conf/pvm/2003 PVM/MPI db/conf/pvm/pvm2003.html#BensonCHC03