# \donttest{
if (ggml_vulkan_available() && ggml_vulkan_device_count() > 0) {
vk_backend <- ggml_vulkan_init(0)
cpu_backend <- ggml_backend_cpu_init()
ggml_vulkan_is_backend(vk_backend) # TRUE
ggml_vulkan_is_backend(cpu_backend) # FALSE
ggml_vulkan_free(vk_backend)
ggml_backend_free(cpu_backend)
}
# }
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