2023.01.26
表二从统计学上总结了各个因素对代码密度的影响
| Correlation/ Coefficient | Architectural Parameter |
|---|---|
| 0.9381 | Minimum possible instruction length |
| 0.9116 | Number of integer registers |
| 0.7823 | Virtual address of first instruction |
| 0.6607 | Architecture has a zero register |
| 0.6159 | Bit-width |
| 0.4982 | Number of operands in each instruction |
| 0.3129 | Year the architecture was introduced |
| -0.0021 | Branch delay slot |
| -0.0809 | Machine is big-endian |
| -0.2121 | Auto-incrementing addressing scheme |
| -0.2521 | Hardware status flags (zero/overflow/etc.) |
| -0.3653 | Unaligned load/store available |
| -0.3854 | Hardware divide in ALU |