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fix: use getLlamaGpuTypes("supported") to detect actual GPU availability #243

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DanieleSalatti wants to merge 1 commit into from
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fix: use getLlamaGpuTypes("supported") to detect actual GPU availability #243

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8 changes: 4 additions & 4 deletions src/llm.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -498,10 +498,10 @@ export class LlamaCpp implements LLM {
private async ensureLlama(): Promise<Llama> {
if (!this.llama) {
// Detect available GPU types and use the best one.
// We can't rely on gpu:"auto" — it returns false even when CUDA is available
// (likely a binary/build config issue in node-llama-cpp).
// @ts-expect-error node-llama-cpp API compat
const gpuTypes = await getLlamaGpuTypes();
// Use "supported" to only return GPU types with actual drivers/libraries
// installed, rather than the default which returns all valid types for the
// platform (e.g. "cuda" on any Linux box even without NVIDIA hardware).
const gpuTypes = await getLlamaGpuTypes("supported");
// Prefer CUDA > Metal > Vulkan > CPU
const preferred = (["cuda", "metal", "vulkan"] as const).find(g => gpuTypes.includes(g));

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