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High performance VLSI data filter

  • US 5,050,075 A
  • Filed: 10/04/1988
  • Issued: 09/17/1991
  • Est. Priority Date: 10/04/1988
  • Status: Expired due to Term
First Claim
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1. A data filter for performing queries on a high speed data stream organized into a sequence of records which form a database, said data filter comprisingbuffer means for receiving and buffering each of said records forming the high speed data stream in sequence,memory means for storing a batch of instructions arranged in a specific order for carrying out a query in response to a request for information from the database,pipelined processing means in communication with said buffer means and said memory means for executing said instructions stored in said memory in said specific order for each of said records while each record is buffered in said buffer means, andintermediate result accumulation means in communication with said processing means for storing an output of said processing means resulting from the execution of particular ones of said instructions by said processing means and for providing an input to said processing means for enabling said processing means to execute subsequent ones of said instructions depending on the contents of the intermediate result accumulation means.

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