| Patent Number |
Title Of Patent |
Date Issued |
| 6549930 |
Method for scheduling threads in a multithreaded processor |
April 15, 2003 |
| A method is provided for scheduling execution of a plurality of threads executed in a multithreaded processor. Resource utilizations of each of the plurality of threads are measured while the plurality of threads are concurrently executing in the multithreaded processor. Each of the |
| 6374367 |
Apparatus and method for monitoring a computer system to guide optimization |
April 16, 2002 |
| A method for sampling the performance of a computer system is provided. The computer system includes a plurality of functional units. The method selects transactions to be processed by a particular functional unit of the computer system. State information is stored while the selected |
| 6195748 |
Apparatus for sampling instruction execution information in a processor pipeline |
February 27, 2001 |
| An apparatus is provided for sampling instructions in a processor pipeline of a computer system. The pipeline has a plurality of processing stages. Instructions are fetched into a first stage of the pipeline. A subset of the fetched instructions are identified as selected instructions. E |
| 6175814 |
Apparatus for determining the instantaneous average number of instructions processed |
January 16, 2001 |
| An apparatus is provided for determining an average number of instructions entering a stage of a processor pipeline of a computer system during a clock cycle of a processor clock. The number of instructions entering a particular stage of the pipeline are stored in a queue during each of |
| 6163840 |
Method and apparatus for sampling multiple potentially concurrent instructions in a processor pi |
December 19, 2000 |
| An apparatus is provided for sampling multiple concurretly executing instructions in a processor pipeline of a system. The pipeline has a plurality of processing stages. The apparatus identifies multiple selected when the instructions are fetched into a first stage of the pipeline. A |
| 6148396 |
Apparatus for sampling path history in a processor pipeline |
November 14, 2000 |
| An apparatus is provided for collecting state information associated with an execution path of recently processed instructions in a processor pipeline of a computer system. The apparatus identifies a class of instructions to be sampled. Path-identifying state information of a current |
| 6000044 |
Apparatus for randomly sampling instructions in a processor pipeline |
December 7, 1999 |
| An apparatus is provided for sampling instructions in a processor pipeline of a system. The pipeline has a plurality of processing stages. The apparatus includes a fetch unit for fetching instructions into a first stage of the pipeline. Certain randomly selected instructions are iden |
| 5923872 |
Apparatus for sampling instruction operand or result values in a processor pipeline |
July 13, 1999 |
| An apparatus is provided for sampling values of operands of instructions in a processor pipeline of a system, the pipeline having a plurality of processing stages. Instructions are fetched into a first stage of the pipeline. Any one of the fetched instructions are identified as a par |
| 5809450 |
Method for estimating statistics of properties of instructions processed by a processor pipeline |
September 15, 1998 |
| A method is provided for estimating statistics of properties of instructions processed in a pipeline of a computer system, the pipeline having a plurality of processing stages. Instructions are fetched into a first stage of the pipeline. Some of the fetched instructions are randomly |
