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Topic: Serial algorithm


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In the News (Thu 10 Dec 09)

  
  Algorithm - Biocrawler   (Site not responding. Last check: 2007-10-30)
Algorithms can be implemented by computer programs, although often in restricted forms; an error in the design of an algorithm for solving a problem can lead to failures in the implementing program.
Algorithms are essential to the way computers process information, because a computer program is essentially an algorithm that tells the computer what specific steps to perform (in what specific order) in order to carry out a specified task, such as calculating employees’ paychecks or printing students’ report cards.
Algorithms are not only implemented as computer programs, but often also by other means, such as in a biological neural network (for example, the human brain implementing arithmetic or an insect relocating food), or in electric circuits or in a mechanical device.
www.biocrawler.com /encyclopedia/Algorithm   (2263 words)

  
 Algorithm - Wikipedia, the free encyclopedia
Informally, the concept of an algorithm is often illustrated by the example of a recipe, although many algorithms are much more complex; algorithms often have steps that repeat (iterate) or require decisions (such as logic or comparison).
However, algorithms are also implemented by other means, such as in a biological neural network (for example, the human brain implementing arithmetic or an insect relocating food), in electric circuits, or in a mechanical device.
A greedy algorithm is similar to a dynamic programming algorithm, but the difference is that solutions to the subproblems do not have to be known at each stage; instead a "greedy" choice can be made of what looks best for the moment.
en.wikipedia.org /wiki/Algorithm   (6970 words)

  
 Serial number - Wikipedia, the free encyclopedia
A serial number is a unique number that is one of a series assigned for identification which varies from its successor or predecessor by a fixed discrete integer value.
Serial numbers are valuable in quality control, as once a defect is found in the production of a particular batch of product, the serial number will quickly identify which units are affected.
If there are items whose serial numbers is part of a sequence of consecutive numbers and you take n number of random samples of items' serial numbers, you can then estimate the population of items "in the wild" using a maximum likelihood method derived using Bayesian reasoning.
en.wikipedia.org /wiki/Serial_number   (516 words)

  
 Algorithm   (Site not responding. Last check: 2007-10-30)
The concept of an algorithm is illustrated by the example of a recipe although many algorithms are much more algorithms often have steps that repeat (iterate) or require decisions (such as logic or comparison) until the task is completed.
Algorithms are sometimes implemented as computer programs but are more often implemented by means such as in a biological neural (for example the human brain implementing arithmetic or an insect relocating food) or electric circuits or in a mechanical device.
The first case of an algorithm written a computer was Ada Byron 's notes on the analytical engine written in 1842 for which she is considered by to be the world's first programmer.
www.freeglossary.com /Algorithm   (2268 words)

  
 Parallel Implementation of the Filtered Back Projection Algorithm for Tomographic Imaging
The technique of tomography consists of passing a series of rays (in parallel, fan or cone formation) through an object, and measuring the attenuation in these rays by placing a series of detectors on the receiving side of the object.
Serial implementation of the filtered back projection algorithm is time consuming and does not give the images in real time.
Since the serial algorithm carries out the FFT computations row-wise on each of the matrices P(n) and since the FFT operations on one row are independent from the other rows, it was decided to parallelize by distributing an equal number of rows to each processor.
www.sv.vt.edu /xray_ct/parallel/Parallel_CT.html   (6430 words)

  
 Distributed Algorithm Visualization
However, algorithm verification typically works at a higher level than debugging: while debugging visualization displays data which are closely related to the particular implementation of a program, verification visualization generally requires translation of these low-level details into a higher-level representation of the execution of the algorithm.
By contrast, distributed algorithm animation is fundamentally application-dependent: the type of visualizations required to animate a distributed sorting algorithm may be vastly different from those required to illustrate a fast Fourier transform implementation.
The algorithm consists of several stages; in each stage, communication among the surviving nodes in the machine is used to move the system towards a consistent, functioning state.
www-flash.stanford.edu /~bosch/cs348c   (4151 words)

  
 Architecture and Performance of a Parallel Data-Fusion Multi-Target Tracking Code   (Site not responding. Last check: 2007-10-30)
This paper is a study of the application of parallel high performance computing to a candidate serial algorithm for jointly accomplishing data fusion from many sensors and simultaneously tracking multiple targets in real-time.
The serial code that was the starting point for this parallelization effort included functionality for accepting and handling input measurement data, associating input measurement data with proper target track files, managing multiple track files, and maintaining the state vector data base, as listed here.
This association algorithm was selected for the serial code because it has the virtue over more complicated multi-step or scan-based algorithms of being easy to analyze and easy to characterize in terms of a deterministic execution time for a single association.
www.dtc.army.mil /hpcw/1999/pedersen   (4124 words)

  
 Serial Code
An algorithm is a finite set of well-defined instructions for accomplishing some task which, given an initial state, will result in a corresponding recognisable end-state (contrast with heuristic).
A divide-and-conquer algorithm reduces an instance of a problem to one or more smaller instances of the same problem (usually recursively), until the instances are small enough to be directly expressible in the programming language employed (what is 'direct' is often discretionary).
Also there are heuristic algorithms, whose general purpose is not to find a final solution, but an approximate solution where the time or resources to find a perfect solution are not practical.
www.econtentos.com /serial-code.htm   (4080 words)

  
 Factors That Limit Speedup
A Parallel Algorithm is an algorithm for the execution of a program which involves the running of two or more processes on two or more processors simultaneously.
The latter is the fairest way to compare parallel algorithms but it is unrealistic in practice, since most people do not have access to the fastest serial machines, making it impossible to make a claim about speedup.
Let S be the amount of time spent (by one processor) on serial parts of the program and P be the amount of time spent (by one processor) on parts of the program that could be done in parallel.
www.cs.cf.ac.uk /Parallel/Year2/section7.html   (1378 words)

  
 ArtSong Music Composition Tools Homepage   (Site not responding. Last check: 2007-10-30)
This algorithm is somewhat analogous to the chaosmapper algorithm but works with note pattern groups instead of individual notes.
The Instrumental Texture algorithm allows you to define and apply instrumental textures; groups of Tracks which can be turn on/off during composition to control generated texture.
The Envelopes Group algorithm is used to impose a definable 3-stage envelope on any composition variable contained within the group.
www.artsong.org /Features.htm   (1289 words)

  
 Reevaluating Amdahl's Law and Gustafson's Law   (Site not responding. Last check: 2007-10-30)
We conclude that the use of the "serial percentage" concept in parallel performance evaluation is misleading.
It requires the serial algorithm to retain its structure such that the same number of instructions are processed by both the serial and the parallel implementations for the same input.
A sequential algorithm is non-structure persistent (NSP) if there exists at least one parallel implementation of the same algorithm, at least one input, that the parallel implementation requires less total number of calculation steps (including those in parallel) than the total pure sequential steps.
joda.cis.temple.edu /~shi/docs/amdahl/amdahl.html   (2909 words)

  
 Journal of Geographic Information and Decision Analysis
We argue that the main reason for the lack of routing algorithms that produce optimal solutions in real time is the use of serial algorithms that execute in scalar computing environments.
It is clear from Table 2 and Figure 2 that the speedup of the parallel algorithm increases as either the number of PEs or the number of nodes increases.
In other words, by demonstrating that the parallel algorithm is able to improve the performance of Dijkstra's algorithm in the worst case, it can be guaranteed that it would definitely improve the performance of routing in all other possible cases.
publish.uwo.ca /~jmalczew/gida_2/Karimi/Karimi.htm   (2599 words)

  
 [starlogo-users] serial CA algorithm   (Site not responding. Last check: 2007-10-30)
A typical problem for systems such as those modeled with starlogo is how to accurately update the "parallel" movement of turtles that have certain physical properties (collision, etc.) so that their movement is local with each time-step.
In other words, a simple serial algorithm runs the risk of moving one turtle from one cell to another -- and then moving it again (so it is now 2 cells from its original location) in the *same* time-step.
I'm looking for pointers to "mark and sweep" algorithms that may not be particularly efficient, but nonetheless guarantee that no turtle is moved more than one physical cell (Moore neighborhood) in a single time-step.
education.mit.edu /pipermail/starlogo-users/2005-October/000421.html   (223 words)

  
 The Serial WR Algorithm
In order to implement the mentioned algorithm, the ACS program had to be modified in several places.
After the initial circuit parsing (see diagram 3.4), the number of total circuit nodes is known and the circuit elements are aligned in a doubly linked ring list, possibly with (nested) subcircuit elements in the list.
In order to establish partitions, each physically existing circuit node and each element (respectively device) are assigned group numbers (integers), that are used as indices to an array of groups containing pointers to elements.
www.exp-math.uni-essen.de /~ajung/diplom/node29.html   (313 words)

  
 [No title]
But he said the algorithms for web log data might be different from the algorithms for transaction data.
So, he asked the group to first test the algorithms on transaction data, since the algorithms we found so far are working on such data.
Apart from that, Dr. Chung also told the group to present the data structures, timing of the algorithms and the parallel model of the proposed parallel FP tree algorithm on the next meting.
www.cse.msu.edu /~wuming/minutes/03-19-03.doc   (302 words)

  
 Serial access
It's faster, it's safer, and shows off the algorithm better
Mathematical algorithm seems to require a direct access to matrices.
The whole deal is just traversing matrices in some specific ways.
okmij.org /MacHack96/serial-access.html   (163 words)

  
 Home Page for CSE 7350
A Formal Method and Efficient Traversal Algorithm for Generating Testbenches for Verification of IEEE Standard Floating Point Division"
"An Expose and Merge Algorithm and the Chromatic Number of a Random Graph", with L. Kucera, in
Graph Theory and Its Applications to Algorithms and Computer Science, Y. Alavi et al., John Wiley, New York, 1985, 543-559.
engr.smu.edu /~matula/publications.html   (1394 words)

  
 Serial Number Algorithm
More information: Attach this Serial Number Engine to your application.
It requires three parameters, Product Name, Product Version, Company Name.
Instructions: Copy the declarations and code below and paste directly into your VB project.
www.freevbcode.com /ShowCode.Asp?ID=8127   (42 words)

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