| Abstract | .... 2 | |
| 1 | Introduction | .... 2 |
| 2 | Motive for applying cache hierarchy to PIM/k | .... 3 |
| 2.1 | KL1 parallel execution on a shared memory | .... 3 |
| 2.2 | Applying a cache hierarchy to PIM/k | .... 4 |
| 3 | Memory architecture | .... 4 |
| 3.1 | Overview | .... 4 |
| 3.2 | Design consideration of a hierarchial cache protocol | .... 5 |
| 3.3 | Replacement algorithm for the second-level cache | .... 8 |
| 3.4 | Debbuging support | .... 9 |
| 4 | The effect on the KL1 system software | .... 10 |
| 4.1 | Overview on the standard KL1 system | .... 10 |
| 4.2 | Turned KL1 system software | .... 11 |
| 5 | Current status and preliminary evaluation | .... 12 |
| 6 | Conclusion | .... 13 |
| 7 | Acknowledgement | .... 13 |
| 8 | References | .... 14 |
| End | .... 15 |
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