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yule_gpu/
backend.rs

1use crate::BackendKind;
2
3pub fn select_best_backend(available: &[BackendKind]) -> BackendKind {
4    // priority: CUDA > Metal > Vulkan > CPU
5    for &preferred in &[BackendKind::Cuda, BackendKind::Metal, BackendKind::Vulkan, BackendKind::Cpu] {
6        if available.contains(&preferred) {
7            return preferred;
8        }
9    }
10    BackendKind::Cpu
11}