common : only load backends when required (#22290)
* common : only load backends when required
Signed-off-by: Adrien Gallouët <angt@huggingface.co>
* llama : call ggml_backend_load_all() directly from llama_backend_init()
Signed-off-by: Adrien Gallouët <angt@huggingface.co>
* Add ggml_backend_load_all() where llama_backend_init() is not used
Signed-off-by: Adrien Gallouët <angt@huggingface.co>
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Signed-off-by: Adrien Gallouët <angt@huggingface.co>