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Method for identifying reasons for dynamic stall cycles during the execution of a program

  • US 5,857,097 A
  • Filed: 03/10/1997
  • Issued: 01/05/1999
  • Est. Priority Date: 03/10/1997
  • Status: Expired due to Term
First Claim
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1. A computerized method for analyzing performance data of a computer system executing instructions of a program, comprising the steps of:

  • analyzing the program to determine equivalence classes of instructions, each equivalence class containing instructions that have the same execution frequency as each other instruction in that equivalence class;

    collecting performance data while executing the instructions of the program; and

    estimating an execution frequency for each instruction in the program based on the collected performance data and the determined equivalence classes.

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