pub unsafe extern "C" fn faiss_index_cpu_to_gpu_multiple(
providers_vec: *const *mut FaissGpuResourcesProvider,
devices: *const c_int,
devices_size: usize,
index: *const FaissIndex,
p_out: *mut *mut FaissGpuIndex,
) -> c_intExpand description
converts any CPU index that can be converted to GPU