One-sided vs. Two-sided Communication Paradigms on Relaxed ...
One-sided vs. Two-sided Communication Paradigms on Relaxed ...
One-sided vs. Two-sided Communication Paradigms on Relaxed ...
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1648Bwindow size1648BF U T U R E T E C H N O L O G I E S G R O U P25.0%11 2 4 8 16 248KB16412.5%25.0%1 111 1 2 2 4 4 8 816 162424 1 2 48KB 16 Experiment: Vary number of messages per rank.81.3%43.8%4 Vary the53.1% 71.9% number of ranks 4per node.434.4%93.2%81.3%43.8%453.1% 71.9%4LAWRENCE BERKELEY NATIONAL 79.5% 34.4%LABORATORYwindow sizeMPI default25.0%MPI <str<strong>on</strong>g>vs</str<strong>on</strong>g>. UPC 8B Transacti<strong>on</strong>s1648B MPI buffers UPC shared (no BTE) dest8B 8Bwindow size16168KB8KB16window size12.5%25.0%25.0%50.0%87.5%100%87.5%75.0%62.5%50.0% 4111 2 C<strong>on</strong>currency4 8 16 24 1 2 4 8 16 248KBMPI default164168KBMPI buffers (no BTE)37.5%25.0%12.5%0.00%100%90.6%81.3%71.9%62.5%453.1%43.8%34.4%25.0%16UPC n<strong>on</strong>-8B100%87.5%75.0%62.5%50.0%37.5%25.0%12.5%0.00%16 8KB100% 86.4%90.6%81.3%79.5%71.9%62.5%53.1%65.9%43.8%25.0%
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