Scenes using Houdini Alembic packed primitives now generate much smaller amounts of data in Arnold, creating a single alembic node to represent multiple packed primitives. This reduces the time to process the generated secne significantly, in some cases giving a 64x speed up on scene translation, and an exponentional reduction in file sizes. See table below. (HTOA-1920)
| Number of Instances | Scene Translation Time Before | Scene Translation Time After | Scene Creation Time Before | Scene Creation Time After | Scene File Size Before | Scene File Size After |
|---|---|---|---|---|---|---|
| 2500 | 1m43s | 1.64s | 14.30s | 00.13s | 243M | 926K |
| 500 | 19.6s | 0.45s | 02.92s | 00.11s | 48M | 199K |
| 100 | 8.22 | 0.25s | 00.64s | 00.09s | 9.7M | 56K |
HtoA 6.2.5 (Arnold 7.2.5.0)
13 December 2023