PPT-Upper and Lower Bounds on the cost of a Map-Reduce Computat

Based on an article by Foto N Afrati Anish Das Sarma Semih Salihoglu Jeffrey D Ullman Images taken from slides by same authors Agenda MapReduce a brief overview Communication Parallelism Tradeoff Model. Our result is modular 1 We describe a carefullychosen dynamic version of set disjointness the multiphase problem and conjecture that it requires 84861 time per operation All our lower bounds follow by easy reduction 2 We reduce 3SUM to the multipha 2015 TOURNAMENTS UPPER STATE LOWER STATE T L Hanna Wando T L Hanna Wando 2 - 1 6 - 5 Northwestern J L Mann South Aiken Wando 7 - 3 2 - 1 Reticulate Network of Multiple . Phylogenetic. Trees. Yufeng. . Wu. Dept. of Computer Science & Engineering. University of Connecticut, USA. ISMB 2010. 1. 1. 2. 3. 4. Keep. two . red. edges. Keep. 2 - . Calculations. www.waldomaths.com. Copyright © . Waldomaths.com. 2010, all rights reserved. Two ropes, . A. and . B. , have lengths:. A = . 36m to the nearest metre . B = . 23m to the nearest metre.. unseen problems. David . Corne. , Alan Reynolds. My wonderful new algorithm, . Bee-inspired Orthogonal Local Linear Optimal . Covariance . K. inetics . Solver. Beats CMA-ES on 7 out of 10 test problems !!. relaxations. via statistical query complexity. Based on:. V. F.. , Will Perkins, Santosh . Vempala. . . On the Complexity of Random Satisfiability Problems with Planted . Solutions.. STOC 2015. V. F.. The Population of Lower and Upper Canada. Population of Lower Canada (1814). 335,000 people. Population of Upper Canada (1814). 95,000 people. *http://www.statcan.gc.ca/pub/98-187-x/4064809-eng.htm. Social Structure of Lower and Upper Canada. WGSS SS10 Mr. Salter. Pre-Rebellion recap. Upper Canada. Family Compact. Mainly English. Run by British governor. Land owned by wealthy and church. Lower Canada. Chateau clique. Mainly French. Run by British governor. Basics. Divide and conquer. Partition large problem into smaller . subproblems. Worker work on . subproblems. in parallel. Threads in a core, cores in multi-core processor, multiple processor in a machine, machines in a cluster. relaxations. via statistical query complexity. Based on:. V. F.. , Will Perkins, Santosh . Vempala. . . On the Complexity of Random Satisfiability Problems with Planted . Solutions.. STOC 2015. V. F.. La gamme de thé MORPHEE vise toute générations recherchant le sommeil paisible tant désiré et non procuré par tout types de médicaments. Essentiellement composé de feuille de morphine, ce thé vous assurera d’un rétablissement digne d’un voyage sur . 1. Word Count Example. We have a large file of words, one word to a line. Count the number of times each distinct word appears in the file. Sample application: analyze web server logs to find popular URLs. Madhu M Nayak Assistant Professor, Department of C SE, GSSSIETW, Mysuru Pradeep.S Assistant Professor, Department of C SE, GEC, Kushal Nagar Abstract - Due to the increasing popularity of cheap dynamic data structures. Shachar. Lovett. IAS. Ely . Porat. Bar-. Ilan. University. Synergies in lower bounds, June 2011. Information theoretic lower bounds. Information theory. is a powerful tool to prove lower bounds, e.g. in data structures.