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Cryptomatte support on GPU (Arnold 7.3.5.0)

Arnold now has an internal implementation of Cryptomatte that supports GPUs. On both CPU and GPU, Cryptomatte now also uses much less memory for samples, making it easier to use higher AA settings, progressive rendering, and adaptive rendering (when properly used with FIS). In a simple scene rendered at 640x480 resolution with three cryptomattes we see the following improvements in peak memory. (ARNOLD-11042)

CPU 7.3.4.1 7.3.5.0
fixed-aa 1345.68MB 442.21MB
progressive 3433.39MB 531.63MB
adaptive 8583.79MB 440.93MB
GPU 7.3.4.1 7.3.5.0
fixed-aa - 799.46MB
adaptive - 809.87MB

Release Information

Version:

7.3.5.0

Release Date:

7 November 2024

Release Notes

Review the release notes here.

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