Research Article
Characterizing the Effects of Intermittent Faults on a Processor for Dependability Enhancement Strategy
Table 12
Protect effects breakup per trap type.
| (a) For NET |
| | Units | Module | Priority | Trap contribution | Capability | | Trap type and relative priority | Coverage | Recovery rate |
| | PKU | PCK | 10.3 | 0x10 10.3 | 8.9% | 100.0% | | PKD | 47.3 | 0x10 47.3 | 8.1% | 100.0% | | SWL | 0.9 | 0x10 0.9 | 0.3% | 100.0% | | Average | 58.6 | 0x10 58.6 | 6.4% | 100.0% |
| | AGEN | AGD | 7.9 | 0x10 7.9 | 3.9% | 100.0% | | AGC | 8.5 | 0x10 4.3 0x0a 2.1 0x71 2.1 | 3.2% | 100.0% | | Average | 16.4 | 0x10 12.1 0x0a 2.1 0x71 2.1 | 3.5% | 100.0% |
| | Decoder | DED | 1.9 | 0x0a 0.9 0x3e 0.9 | 0.9% | 100.0% | | DCD | 5.3 | 0x10 4.7 0x04 0.7 | 6.1% | 100.0% | | DEL | 3.0 | 0x10 2.0 0x04 1.0 | 1.0% | 100.0% | | Average | 10.3 | 0x10 6.7 0x04 1.7 0x0a 0.9 0x3e 0.9 | 2.0% | 100% |
| | ALU | ECT | 4.9 | 0x10 3.9 0x1fa 1.0 | 2.4% | 20.0% | | EDP | 4.1 | 0x10 4.1 | 2.1% | 25.0% | | Average | 9.0 | 0x10 8.0 0x1fa 1.0 | 2.3% | 22.2% |
| | IRF | IRF | 1.0 | 0x10 1.0 | 0.4% | 0.0% | | RML | 1.1 | 0xc0 1.1 | 0.6% | 100.0% | | ECC | 1.0 | 0x29 1.0 | 1.1% | 100.0% | | Average | 3.1 | 0xc0 1.1 0x10 1.0 0x29 1.0 | 0.6% | 66.7% |
| | NET | | 97.3 | 0x10 86.4 0xa 3.1 0x71 2.1 0x04 1.7
0xc0 1.1 0x29 1.0 0x1fa 1.0 0x3e 0.9 | 3.7% | 93.5% |
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| (b) For REG |
| | Units | Module | Priority | Trap contribution | Capability | | Trap type and relative priority | Coverage | Recovery rate |
| | PKU | PCK | 0.0 | | 0.0% | 0.0% | | PKD | — | — | — | — | | SWL | 0.0 | | 0.0% | 0.0% | | Average | 0.0 | | 0.0% | 0.0% |
| | AGEN | AGD | 43.4 | 0x10 43.4 | 38.2% | 100.0% | | AGC | 23.2 | 0x10 17.8 0x0d 5.3 | 26.0% | 100.0% | | Average | 66.5 | 0x10 61.2 0x0d 5.3 | 32.4% | 100.0% |
| | Decoder | DED | 45.3 | 0x0a 24.9 0x3e 9.1 0x64 4.5 | 26.7% | 95.0% | | DCD | — | — | — | — | | DEL | 64.7 | 0x10 23.5 0x20 21.6 0x11 19.6 | 57.9% | 100.0% | | Average | 110.0 | 0x0a 24.9 0x10 23.5 0x20 21.6 0x11 19.6 0x3e 9.1 | 40.2% | 98.1% |
| | ALU | ECT | 0.0 | | 0.0% | 0.0% | | EDP | 0.0 | | 0.0% | 0.0% | | Average | 0.0 | | 0.0% | 0.0% |
| | IRF | IRF | 0.0 | | 0.0% | 0.0% | | RML | 19.4 | 0x24 19.4 | 6.8% | 100.0% | | ECC | 72.9 | 0x29 72.9 | 89.7% | 100.0% | | Average | 92.4 | 0x29 72.9 0x24 19.4 | 12.4% | 100.0% |
| | REG | | 268.9 | 0x10 84.7 0x29 72.9 0x0a 24.9 0x20 21.6 0x11 19.6 0x24 19.4 0x3e 9.1 0xd 5.3 | 13.9% | 99.2% |
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