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Changing the max_radius to 4 and switching on light backtracking for NDLAr.

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Looks good to me. How concerned are you about running out of GPU memory with the light backtracking and increased max radius? I'm nearly done with halving the light LUT memory size (famous last words) which would cut ~9.5 GB from the simulation.

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alexbooth92 commented Nov 21, 2025

Thanks Andrew! Matt was able to run a successful test with a single file. I guess we'll get a handle on the failure rate due to memory as we scale up 😅

An extra 10 GB of headroom would be very nice!

@alexbooth92 alexbooth92 merged commit e10defa into develop Nov 24, 2025
@alexbooth92 alexbooth92 deleted the minor/abooth-max_radius branch November 27, 2025 04:31
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4 participants