Designing for Performance: Lookup Tables

SQL Server Magazine;  February 1, 2006 ;     700+ words ......contains the Gender item can reference a lookup table to verify that only the value M or F...Most database environments have one lookup table to support each domain-a simple, scalable...approach to lookup tables. Instead of one lookup table to support each domain, some database...

Kentucky Inventor Develops Dithered Quantization Method

US Fed News Service, Including US State News;  October 27, 2006 ;     354 words ......specified values of input data using a sparse lookup table. According to the U.S. Patent & Trademark...down to an adjacent lattice point of the lookup table. Rather than performing multiple lookup table accesses, which are required using conventional...

Canadian Inventors Develop Dense Mode Coding Scheme

US Fed News Service, Including US State News;  April 1, 2008 ;     257 words ......Patent & Trademark Office: "A lookup table for searching for a longest prefix...match for a key is disclosed. The lookup table provides a match for a key in...number of matches stored in the lookup table is maximized by storing each...

Massachusetts, Michigan Inventors Develop Graphical Lookup Table Block

US Fed News Service, Including US State News;  November 22, 2006 ;     300 words ......Dearborn, Mich., have developed a graphical lookup table block that takes into account the time-varyi...that defines the functionality of a lookup table and can be used in a block diagram model...characteristics of a system's behavior in the lookup table is presented. The block uses ...

Canadian Inventor Develops Multi-Probe Lookup Table

US Fed News Service, Including US State News;  October 3, 2007 ;     245 words ......Trademark Office: "A multi-probe lookup table includes an indication of the congestion...plurality of indexed locations in the lookup table. Thrashing is reduced by inserting keys into the lookup table based on the distribution of keys...

French Inventors Develop Computer System Data Memory Space Access Control...

US Fed News Service, Including US State News;  May 12, 2008 ;     261 words ......Yvelines, France, have developed a data memory space access control method. According to...device to control the access to a data memory space of a computer system by an active process...perform an operation on a part of the data memory space the method or device controls the ...

New York Inventors Develop Superconducting Circuit

US Fed News Service, Including US State News;  October 29, 2008 ;     282 words ......of Hawthorne, N.Y., have developed a lookup table. According to the abstract released...amp; Trademark Office: "A high-speed lookup table is designed using Rapid Single Flux...superconducting integrated circuits. The lookup table is composed of an address decoder and...

U.S., Japanese Inventors Develop Direct Digital Synthesis Pulse Generator...

US Fed News Service, Including US State News;  October 20, 2007 ;     360 words ......phase accumulator values, and has a lookup table that contains a digital representation...pulse output signal is produced from the lookup table in response to the phase accumulator...accumulator and address lines of the lookup table to map the rising and falling edge portions...

British Inventors Develop Programmable Chips with Multiplexer

US Fed News Service, Including US State News;  May 5, 2008 ;     227 words ......multiplexers on a programmable chip using a lookup table. A load logic input line associated with a lookup table having limited input lines is used to...that can be handled by a particular lookup table. Load logic and a lookup table having...

Texas Inventor Develops Memory Space Protecting Method

US Fed News Service, Including US State News;  October 19, 2007 ;     264 words ......external access. A method for protecting a memory space from external access is provided. A...with a separate logical portion of the memory space and determinative as to the access thereof...detected for access to a location in the memory space for operating thereon. The requested...

Texas, New York Inventors Develop Shared Memory Space Assignment Method

US Fed News Service, Including US State News;  June 21, 2008 ;     330 words ......processing units (SPUs) and a memory space to the application in the form...private memory. Shared memory is a memory space that is accessible by the SPUs...Private memory, however, is a memory space that is only accessible by the...

British, Canadian Inventors Develop Time Division Multiplex Channel...

US Fed News Service, Including US State News;  October 2, 2007 ;     307 words ......Trademark Office: "A method of updating a lookup table associated with a TDM transmit unit...network to receive data therefrom, the lookup table mapping packet network contexts to TDM...controller with data for updating the lookup table in advance of the receipt of packets...

California Inventor Develops Computer Memory Space Class Preloading System

US Fed News Service, Including US State News;  September 18, 2008 ;     271 words ......developed a method for preloading a memory space class. According to the abstract released...dynamic preloading of classes through memory space cloning of a master runtime system process...instantiated as a class definition in a memory space of the master runtime system process...

California Inventors Develop System-On-Chip Imaging System

US Fed News Service, Including US State News;  May 27, 2008 ;     345 words ......indicative of the pixel data, a programmable lookup table for providing local user terminal (LUT...for receiving LUT codewords from the lookup table and generating output image data. In...the data memory is used to index the lookup table for causing the lookup table to ...

Integrated LDMOS power-amp controller monitor.(Integrated Circuits)

ECN-Electronic Component News;  December 15, 2004 ;     149 words ......power amplifiers. The summation of two lookup table entries controls each potentiometer. The first lookup table adjusts for temperature variation in...Celsius increments, while the second lookup table adjusts for variations in drain voltage...