One-sided vs. Two-sided Communication Paradigms on Relaxed ...

window sizwindowwindow sizewindow size71.9%425.0%450.0%481.3% 4 43.8% 412.5%71.9%62.5% 496.8%37.5%53.1%25.0%43.8%62.5%12.5%MPI <strong>vs</strong>. UPC 2MB Transactions34.4%0.00%25.0%11F U T U R E T E C H1N 1O L O G I E S G R O U P11 1224488161624 124 1 22 444 888 161616 242424 1 21642 8KB16 MBMPI Default81.3%453.1% 71.9%71.9%window siz16window size4216MB28KBMB16UPC shared dest2 MB100% 100%90.6% 90.6%81.3% 81.3%43.8%71.9% 71.9%4 34.4% 34.4% 53.1%96.8%71.9% 62.5% 4 62.5%53.1% 53.1%96.8%43.8% 43.8%34.4% 34.4%25.0% 25.0%11112 4 8 16 24 1 112 4 8 8 16 16 241 2 4 8 16 24 1 2 4 8 16 24 241 2ConcurrencyConcurrencyConcurrency256 KB256 KB161616100%90.6%81.3%window size481.3% 4 43.8%71.9%LAWRENCE BERKELEY NATIONAL LABORATORY62.5%71.9%62.5%53.1%43.8%34.4%