CUDA infrastructure in ml-core (cuda_compile, gpu/capabilities, gpu/l2_cache)
previously accessed cudarc types through candle_core::cuda_backend::cudarc --
a transitive re-export that coupled low-level CUDA driver calls to Candle.
Changes:
- Add cudarc 0.17 as direct optional dep (gated behind cuda feature)
- Replace all candle_core::cuda_backend::cudarc paths with direct cudarc::
- Generalize OOM detection to accept &dyn Debug (was &CandleError)
- Add generic computation_error_to_common_error() alongside legacy alias
Candle references: 163 -> 72 (remaining are autograd-dependent: Tensor,
Var, GradStore, VarBuilder -- cannot be replaced with cudarc raw ops)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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