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The link should be of every possible definition of a ... This is fine and dandy for straight line code, but what if you have: a = f * i b = f * i ...
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Factoring and Eliminating Common Subexpressions in Polynomial Expressions ... Expression Factorization (M.A.Breuer JACM'69) Allows only one kind of operator at a time ...
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... touch the DOM tree. Each touch can result in a reflow computation, which is expensive. Touch lightly ... Common subexpression removal. Loop invariant removal. ...
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Content delivery: CDNs, P2P file sharing, DHTs. Enterprise systems: MS Exchange ... Multi-query sharing: Common 'subexpression' elimination ...
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By induction, the remaining subexpression returns the value of n! ... By induction, this code will always compute what we expected, provided the input ...
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Machine-Independent Optimizations ... Machine-Independent Opts. ( Cont.) Share Common Subexpressions. Reuse portions of expressions ...
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Reducing Hardware Complexity of Linear DSP Systems by Iteratively Eliminating ... Upto 50% reduction (R.Hartley TCS'96) Introduction. Common subexpressions ...
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Keep adding till only two numbers remain. Add the numbers using fast adder (CLA) 4. Carry ... Sharing subexpressions can increase the total delay. Traditional high level synthesis ...
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Common-subexpression elimination. Dead code elimination. 14 /29. refactoring ... Renovation repairs an error or bring the program up to date with changed requirements ...
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How can the compiler determine whether a will always be 3 in ... We can now reapply common subexpression elimination! Scalar Flow Analysis I: Control Flow Graph ...
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Regular Expressions, most often known as “RegEx” is one of the most popular and widely accepted technology used for parsing the specific data contents from large text.
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Department of Computer Science and Information Engineering ... The partial expression 'net' is a prefix, 'work' is an infix, and 'ing' is a suffix ...
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Reducing an expression e. Locate an appropriate ... Still Cryptic? 17. Outline. Evaluation contexts V. Abstract machine C. 18. This Rule is a Sagi. ...
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Tries either to improve the program performance or to reduce the space it occupies ... redundancy elimination inserts and deletes computations in the flowgraph in ...
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Boolean values true and false map to binary values 1 and 0 ... Next, put a NOT gate in for each variable that appears negated in the expression. ...
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Multi-Query Optimization Prasan Roy Indian Institute of Technology - Bombay Overview Multi-Query Optimization: What? Problem statement Multi-Query Optimization: Why?
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Code Generation Beyond basic blocks: data flow analysis Basic blocks are nodes in the flow graph Can compute global properties of program as iterative algorithms on ...
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Can we eliminate equivalent expressions without constants? ... EVAL(b) = expressions defined in b and not subsequently killed in b ...
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... one, either by appealing to a function definition (like for square) or by using ... where both id and twice are only defined with one argument. ...
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XML has tree structured data model. ... And Attributes in the. Same Document. nid, order,size , Parent order, Child order, Sibling order, ...
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order to detect composite events that. correspond to event patterns in the event. stream. ... The detection of composite events (ab) Done according to event ...
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Approach 1: Create Intermediate Equations ... Out = ABC C'(A B) = ABC AC' BC' A. C' Out. B. C' A. B. C ... Approach 2: Create a truth table which shows ...
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Multi-Query Optimization and Applications Prasan Roy Indian Institute of Technology - Bombay Motivation Queries often involve repeated computation Queries on ...
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Physical Register Reuse (Jourdan et al. 98) Trace Reuse. Basic ... RCB (Working Example) U. P. C. Enhanced Result Cache. Mtable. address tag. result. Atable ...
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Convolution of the latest L input samples. ... DA (Distributed Arithmetic) Implementation ... A Serial DA Filter Block Diagram. ICCD 2006. n 1 clock cycles are ...
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Expressions and Statements
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Stores operators and left-parenthesis symbols as soon as. they appear. Operator stack ... Processing a Right Parenthesis. else if (ch == rParen) ...
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Multi-Query Optimization and. Applications. Prasan Roy. Indian Institute of Technology - Bombay ... Heuristically avoid computing Benefit for some nodes. May 2000 ...
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Lecture 4 Regular Expressions grep and sed intro
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Title: CS211 Slides Author: Mike Katchabaw Last modified by: Bin Ma Created Date: 1/23/1996 9:17:46 PM Document presentation format: Custom Other titles
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... machine instruction templates, and linearize the result ... allocation, use pseudo-registers during the linearization ... for the linearized code ...
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Code space. Data space. Profiling. Instrument the code to measure ... dead code elimination. unreachable code elimination. graph coloring register allocation ...
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Eval and Apply execute a cycle that unwinds our abstractions. Reduces to simple applications of ... Led Turing to investigate Hilbert's Entscheidungsproblem ...
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The certificates and signatures are stored in a global table. 10 ... 2. Build a signature for n. 3. If the signature already exists in the global table then ...
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State of ACT-R Research Agenda: Review the ACT-R 5.0/6.0 architecture. Illustrate its application to two experiments on learning to solve equations -- one with ...
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int a = 5, b = 4, c = 3; if (a b c) cout 'YES'; else. cout 'NO'; Output: NO ... enum MonthNumber { JANUARY = 1, FEBRUARY, MARCH, APRIL, MAY, JUNE, ...
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Digital System Design & Synthesis Architectural Synthesis Dr. Aiman H. El-Maleh Computer Engineering Department King Fahd University of Petroleum & Minerals
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(define heron-sqrt (lambda (x) ;Try some guess for sqrt(x)--we always pick 1. (try 1 x) ... (abs (- (square guess) x)) 0.0001))) (define improve ;average guess ...
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Expression and Operator
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High Speed FIR Filter Implementation Using Add and Shift Method ... (Distributed Arithmetic based, adder-shifter based, multiplier-adder based) ...
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Global optimization Data flow analysis To generate better code, need to examine definitions and uses of variables beyond basic blocks. With use-definition information ...
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Hack to System R: treat predicates like joins. not an issue with Volcano ... Query sent only to relevant sites. S. Sudarshan: Recent Advances in Query Optimization ...
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Optimizing high speed arithmetic circuits using threeterm extraction
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Title: Paradigmas y Perspectivas Futuras en Computaci n Author: Manuel Bermudez Last modified by: Manuel E. Bermudez Created Date: 3/29/2000 4:40:24 PM
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Natural language text Formal and detailed meaning representation (MR) Also called logical form ... Cluster of various mentions of Microsoft. 11. USP: Key Idea # 2 ...
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Title: ENGIN112 - lecture 2 Author: Russ Tessier Last modified by: NTS Created Date: 8/19/1997 4:58:46 PM Document presentation format: Letter Paper (8.5x11 in)
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http://www.cs.bu.edu/groups/wing/ Web and InterNetworking Group. If You Build It, They Will Come: ... A common space equipped with video sensors (VS) for ...
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MySQL. Distel. Emacs. ODBC (?) Code , AST. Storing the code in database ... call the MySQL database directly from the Erlang node (a mysql module was ...
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So far, our programs have used only String data. It is common to use computers for ... sqrt, abs, round. sin, cos, asin, ... Math has the constant Math.PI in it ...
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Absolute Path Expression (APE) ... APE queries are translated to prefix to keys and submitted to the index trie ... solve APE by single index lookup ...
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Notes to accompany Beginning Java 2 by Ivor Horton. Relational operators. Standard relational operators for comparing values, return in true or ... deprecated ...
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Parallel Programming & Cluster Computing Stupid Compiler Tricks Henry Neeman, University of Oklahoma Charlie Peck, Earlham College Andrew Fitz Gibbon, Earlham College
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Introduction to Using MathML Presented by: Robert Miner Director of New Product Development Bob Mathews Director of Training What we ll cover Part I ...
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Algorithms : bottom-up evaluation. Design and implementation. Introduction ... By a bottom-up algorithm we mean a method of processing XPath while traversing ...
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The University of New Mexico. Constant Folding and Propagation ... Suppose x[i] and x[i m] maps to same cache location. ( Direct mapped cache) ...
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Statistical Relational Learning for Knowledge Extraction from the Web Hoifung Poon Dept. of Computer Science & Eng. University of Washington * Uncertainty Statistics ...
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