Research Article
Integrated Project Scheduling and Staff Assignment with Controllable Processing Times
Table 3
Comparison of runtimes between models using DTRTP approach and PSSA with CPT approach.
| | Instances | DTRTP and staff assignment | PSSA with CPT | Both optimum | Deviation runtime | | # | # | # | Runtime | # | # | # | Runtime |
| | 30-1.5-0.25-0.2 | 10 | 0 | 0 | 54.0 | 10 | 0 | 0 | 13.1 | 10 | 380% | | 30-1.8-0.50-0.5 | 10 | 0 | 0 | 330.2 | 9 | 0 | 1 | 177.2 | 9 | 266% | | 30-2.1-1.00-1.0 | 0 | 0 | 10 | — | 9 | 0 | 1 | — | 0 | — | | 60-1.5-0.25-0.2 | 8 | 0 | 2 | 708 | 7 | 0 | 3 | 376.6 | 7 | 135% | | 60-1.8-0.50-0.5 | 1 | 0 | 9 | — | 6 | 0 | 4 | — | 0 | — | | 60-2.1-1.00-1.0 | 0 | 0 | 10 | — | 5 | 1 | 4 | — | 0 | — |
| | Global | 363 | 14 | 583 | 376.08 | 567 | 20 | 373 | 165.26 | 345 | 287.1% |
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