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  • Design and implementation of a HELM user interface

    Creator:
    Singh, Bopinderjit (Bob), Brown, Carol E., and Lewis, Ted G.
    Abstract:
    This research paper is limited to the User Interface of the modeling language of HELM (Hierarchical Environment for Linear Modeling). In attempt to better describe the user interface for HELM, some examples and portions of Carol Brown's report are included for ease of reading and a brief overview of the...
    Resource Type:
    Capstone Project and Technical Report
    Full Text:
    ± CjXj JeG jeJ M e {maximize, minimize} ± e {+, -} Subject to: l: l: ± J aijXj =*i bi JeG jeJ

  • Hashing and its applications

    Creator:
    Lewis, Ted G. and Cook, Curtis R.
    Abstract:
    This tutorial discusses one of the oldest problems in computing: how to search and retrieve keyed information from a list in the least amount of time. Hashing -- a technique that mathematically converts a key into a storage address -- is one of the best methods of finding and retrieving...
    Resource Type:
    Technical Report
    Full Text:
    2 E 5 MARCH 10 F -6 APRIL 11 H 5 MAY 3 J 0 JUNE 9 L 6 JULY 4 M 0 AUGUST 12 N -3 SEPTEMBER 8

  • Internal hashing for dynamic and static tables

    Creator:
    Lewis, Ted G. and Cook, Curtis R.
    Abstract:
    This tutorial discusses one of the oldest problems in computing: how to search and retrieve keyed information from a list in the least amount of time. Hashing - a technique that mathematically converts a key into a storage address - is one of the best methods of finding and retrieving...
    Resource Type:
    Technical Report
    Full Text:
    JULY (U,L) 12 AUGUST (U,G) 11 SEPTEMBER (E,P) 7 . OCTOBER (C,T) 4 . NOVEMBER (E,V) 8 DECEMBER

  • Parallelism encapsulation in C++

    Creator:
    Wu, Youfeng and Lewis, Ted G.
    Abstract:
    Object oriented programming features information hiding and encapsulation, meaning that 1) each object hides the the implementation details tram access from outside and only a set of methods (interface routines) are visible outside of the object, and 2) changes to the implementation of the object do not require changes to...
    Resource Type:
    Technical Report
    Full Text:
    the object do not require changes to the code that uses the object, so long as the interface is

  • Artimis : a module indexing and source program reading and understanding environment

    Creator:
    Birjandi, Abbas and Lewis, Ted G.
    Abstract:
    Artimis is part of an environment for software reuse consisting of two logically independent portions, 1) the indexing and retrieval facility called, GrabBag, for storage and subsequent retrieval of reusable modules, and 2) a set of tools called Browsers, which aid reading and understanding of source programs. GrabBag creates a...
    Resource Type:
    Technical Report
    Full Text:
    Delete l[,--C-an_c_e_l-. Figure 4 ,, •i~~--,..--~ i I: 0 I Help Neu• 011111 D11~e ... Open

  • A benchmark suite for parallel computers : part II

    Creator:
    Shen, Jisheng and Lewis, Ted G.
    Resource Type:
    Technical Report
    Full Text:
    automatically schedule themselves to ensure that all processors are kept busy as long as page 14 l n n

  • System Performance Displayer : a performance monitoring tool

    Creator:
    Po, Wang-ping, Lewis, Ted G., and Thakkar, Shreekant
    Abstract:
    As UNIX operating system's popularity increases, so arises the greater need for performance data gathering and resources management of the systems. Contrary to the expectation of UNIX users, however, there is only a limited set of tools available, and these tools are difficult to correlate data from different sources and...
    Resource Type:
    Technical Report
    Full Text:
    rate of disk3 and disk6 m raw data J I I . 0 30 ( Star< E ( Reset 1 n l l D

  • Parallelizing WHILE loops

    Creator:
    Wu, Youfeng and Lewis, Ted G.
    Abstract:
    Two methods for parallelizing WHILE loops are presented. The first method converts a WHILE loop into a FORALL construct, and the second method pipelines a WHILE loop. Each of the methods is based on a transformation that makes explicit the loop counting. Also, we propose two parallel WHILE constructs.
    Resource Type:
    Technical Report
    Full Text:
    fl 1) l I I ll u u u Parallelizing WHILE loops Youfeng Wu T.G. Lewis Oregon State

  • Yashar : a ruled based meta-tool for program development

    Creator:
    Birjandi, Abbas and Lewis, Ted G.
    Abstract:
    Yashar is a rule based meta-tool for rapidly producing tools to increase programming speed through automating restructuring of existing source code modules so they can be reused, generating of syntax-directed tools, language-to-language translation, automated document generation , and various debugging tools. The main significance of Yashar is that it can...
    Resource Type:
    Technical Report
    Full Text:
    Oregon State University Corvallis, Oregon 97331 (503) 754-3273 l l n n n l l 1 I J J

  • Comparison of an algorithm and a heuristic for computing a best perfect hashing function

    Creator:
    Kim, Seang Lin and Lewis, Ted G.
    Abstract:
    Keywords and phrases: hashing function, injective function, simulation, memory access, scatter table, key-to-address transformation, perfect hashing
    Resource Type:
    Research Paper
    Full Text:
    g function E( w. ) l = i \·.ci + SJ M proposed by Spru gnoli [ 1] is shovm to fail to