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7370150 |
System and method for managing a cache memory
A processing system optimized for data string manipulations includes data string execution circuitry associated with a bus interface unit or memory controller. Cache coherency is maintained, and...
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7299282 |
State processor for pattern matching in a network monitor device
A processor for processing contents of packets passing through a connection point on a computer network. The processor includes a searching apparatus having one or more comparators for searching...
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7257697 |
Processing system with general purpose execution unit and separate independently operating data string manipulation unit
A processing system optimized for data string manipulations includes data string execution circuitry associated with a bus interface unit or memory controller. Cache coherency is maintained, and...
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7165143 |
System and method for manipulating cache data
A processing system optimized for data string manipulations includes data string execution circuitry associated with a bus interface unit or memory controller. Cache coherency is maintained, and...
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7120744 |
System and method for managing a cache memory
A processing system optimized for data string manipulations includes data string execution circuitry associated with a bus interface unit or memory controller. Cache coherency is maintained, and...
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7103719 |
System and method for managing a cache memory
A processing system optimized for data string manipulations includes data string execution circuitry associated with a bus interface unit or memory controller. Cache coherency is maintained, and...
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7093093 |
Cache management system
A processing system optimized for data string manipulations includes data string execution circuitry associated with a bus interface unit or memory controller. Cache coherency is maintained, and...
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6725216 |
Partitioning search key thereby distributing table across multiple non-contiguous memory segments, memory banks or memory modules
A system and method for retrieving information in a distributed table by partitioning a search key. A packet processor may generate a search key for a received packet of data. The packet processor...
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6587852 |
Processing circuit and a search processor circuit
A non-numeric coprocessor for fuzzy information retrieval and pattern recognition has means for information processing and is connectable to a host computer and a data source. A plurality of...
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EP1196856A2 |
METHOD AND APPARATUS FOR MONITORING TRAFFIC IN A NETWORK
Abstract not available for EP1196856 Abstract of corresponding document: WO0101272 A monitor for and a method of examining packets passing through a connection point on a computer network. Each...
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5978797 |
Multistage intelligent string comparison method
A multistage database search method includes a first stage that only considers textual polygraphic frequencies and a second stage that considers the location of the polygraphs and coarsely...
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5831877 |
Bit searching through 8, 16, or 32 bit operands using a 32 bit data path
A bit searching method shifts an operand and counts the number of shifts it takes to shift out the value one, thereby identifying the bit position in operand containing the value one. The operand...
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5742806 |
Apparatus and method for decomposing database queries for database management system including multiprocessor digital data processing system
An improved system for database query processing by means of "query decomposition" intercepts database queries prior to processing by a database management system ("DBMS"). The system decomposes at...
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5742706 |
Method and apparatus for comparison of data strings
The present invention is a method and apparatus that measures the similarity of two images. Any information that can be discretely symbolized can be transformed into an image through so-called...
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5724572 |
Method and apparatus for processing null terminated character strings
A method and apparatus for detecting the null byte at the end of a character string. The method and apparatus first logically concatenates two 32-bit input values into a single 64 bit value. Next,...
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5657484 |
Method for carrying out a boolean operation between any two bits of any two registers
A method for loading the content of any selected cell of a source register to any selected cell of a destination register. The value in the selected source cell is tested for a value of zero. The...
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5604910 |
Method of and vector processor for searching text for key words based on candidate character strings obtained from the text using parallel processing
The present invention relates to a method of search in which a plurality of candidate of character strings likely to coincide with a designated key word are detected from a text character string,...
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5497488 |
System for parallel string search with a function-directed parallel collation of a first partition of each string followed by matching of second partitions
A character string search arithmetic operation is performed at high speed with a small hardware scale processing module, such as a symbol string search module. The search module is connected to a...
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5497468 |
Data processor that utilizes full data width when processing a string operation
A data processor which performs in parallel a comparison process of n (which is an integer 2 or more)--sets first size data a elements by logical add operation between data elements in executing a...
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5495592 |
System for finding and setting address portion of variable-length character string by XOR-ing portion in number of bytes within single instruction
The invention is an instruction for locating the address of a specific character or value within a byte string of variable length. An offset into a portion of the string is specified and the...
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5452451 |
System for plural-string search with a parallel collation of a first partition of each string followed by finite automata matching of second partitions
A parallel comparator for performing a parallel and high-speed processing for collation of partial character strings which are partially taken out of a plurality of character strings of interest to...
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5379420 |
High-speed data searching apparatus and method capable of operation in retrospective and dissemination modes
A highly versatile data search engine in which multiple search cells are connected together in a pipeline through which data can be streamed. Each cell has multiple registers, and corresponding...
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5357236 |
Parallelized difference flag logic
Difference flag logic suitable for use in a FIFO memory is modified to quickly generate FIFO flag status without the use of subtractor circuitry. Bit comparators, which determine if a first bit is...
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5349681 |
Bit searching circuit and data processor including the same
A bit searching circuit includes an offset value designating circuit, a bit position detecting circuit, a count circuit, and a search-end detecting circuit. The offset value designating circuit...
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5175860 |
System string search system using matrix memory?comparator with columns simultaneously comparing with symbols of string supplied in parallel from a column of input shift registers
A symbol string collating apparatus includes a memory unit, a shift register, a collating unit, and an encoder. The memory unit includes memory circuits arranged in a matrix, stores a series of...
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5166660 |
Random access compare array
A random access compare array, on an integrated circuit chip is comprised of a plurality of multi-bit comparator circuits. Each comparator circuit is coupled to a respective multi-bit register;...
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