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Fix V100 CUDA compatibility for demeter4 runners#214

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ChrisRackauckas merged 1 commit intoSciML:masterfrom
ChrisRackauckas-Claude:fix/demeter4-v100-cuda-compat
Mar 19, 2026
Merged

Fix V100 CUDA compatibility for demeter4 runners#214
ChrisRackauckas merged 1 commit intoSciML:masterfrom
ChrisRackauckas-Claude:fix/demeter4-v100-cuda-compat

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Summary

Adds LocalPreferences.toml to pin CUDA runtime 12.6 and disable forward-compat driver for V100 GPU compatibility on demeter4 self-hosted runners.

Changes

  • test/gpu/LocalPreferences.toml: Pin CUDA_Runtime_jll to 12.6 and set CUDA_Driver_jll compat="false"
  • test/gpu/Project.toml: Add CUDA_Driver_jll and CUDA_Runtime_jll deps, update CUDA compat to "4, 5"

Background

V100 GPUs (compute capability 7.0) require the system driver since CUDA_Driver_jll v13+ drops cc7.0 support. This matches the pattern established in OrdinaryDiffEq.jl#3162.

Ref: ChrisRackauckas/InternalJunk#19

Add LocalPreferences.toml to pin CUDA runtime 12.6 and disable
forward-compat driver. V100 GPUs (compute capability 7.0) require
system driver since CUDA_Driver_jll v13+ drops cc7.0 support.

Ref: ChrisRackauckas/InternalJunk#19
@ChrisRackauckas ChrisRackauckas merged commit 4aa32da into SciML:master Mar 19, 2026
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2 participants