fix: speed up sparse preparation for GPU arrays #2123
| Job | Run time |
|---|---|
| 2m 50s | |
| 34m 47s | |
| 10m 29s | |
| 17m 8s | |
| 24m 48s | |
| 3m 0s | |
| 34m 35s | |
| 22m 58s | |
| 7m 29s | |
| 3m 26s | |
| 39m 3s | |
| 7m 33s | |
| 15m 35s | |
| 3m 5s | |
| 18m 30s | |
| 36m 42s | |
| 15m 10s | |
| 29m 16s | |
| 24m 58s | |
| 11m 8s | |
| 6m 21s | |
| 11m 4s | |
| 6m 56s | |
| 16m 57s | |
| 5m 37s | |
| 27m 54s | |
| 36m 22s | |
| 53m 50s | |
| 22m 14s | |
| 6m 8s | |
| 26m 12s | |
| 24m 58s | |
| 12m 57s | |
| 10m 30s | |
| 12m 29s | |
| 9m 53s | |
| 40m 57s | |
| 48m 41s | |
| 11m 47s | |
| 35m 14s | |
| 16m 58s | |
| 18m 4s | |
| 21m 6s | |
| 7m 45s | |
| 17m 47s | |
| 14h 31m 11s |