SWAP* enhancement #990
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SWAP* enhancement #990
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Results so far are not overwhelming but still interesting. There are small differences in the solutions since baf8109 cuts some branches assuming the triangular inequality holds on costs. Computing times reported below with a dev build. Computing times (ms) on the usual CVRP benchmarks across
|
x |
master |
baf8109 | Delta (%) |
|---|---|---|---|
| 0 | 349 | 324 | -7.2 |
| 1 | 1267 | 1128 | -11.0 |
| 2 | 2879 | 2672 | -7.2 |
| 3 | 5082 | 4830 | -5.0 |
| 4 | 9803 | 9305 | -5.1 |
| 5 | 15587 | 14916 | -4.3 |
Computing times (ms) on the usual VRPTW benchmarks using x=4:
master |
baf8109 | Delta (%) | |
|---|---|---|---|
| Solomon | 438 | 428 | -2.3 |
| Homberger 200 | 1888 | 1782 | -5.6 |
| Homberger 400 | 8804 | 8465 | -3.9 |
| Homberger 600 | 20964 | 20315 | -3.1 |
| Homberger 800 | 40057 | 39055 | -2.5 |
| Homberger 1000 | 67054 | 66555 | -0.7 |
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Issue
Fixes #987
Tasks
find_top_3_insertionsresults inSolutionStateCHANGELOG.md