Table 4 The comparison between multi-scale RTM and traditional RTM
From: Multi-scale high order finite different reverse time migration imaging
Item | Calculation time | Memory consumption | ||
|---|---|---|---|---|
1 shot | 325 shots | 1 shots | 325 shots | |
Traditional RTM | 156.33 s | 13.76 h | 8.21 M | 2.60 G |
Multi-scale RTM | 109.87 s | 9.48 h | 5.83 M | 1.85 G |
Efficiency promotion | 29.72% | 31.10% | 28.99% | 28.85% |