Class ggml_init_params

tests/test_metal_conv_dw.cpp:28–28

                                          int* out_w, int* out_h) {
    size_t ctx_size = ggml_tensor_overhead() * 16 + ggml_graph_overhead();
    struct ggml_init_params params = {ctx_size, nullptr, true};
    struct ggml_context* ctx = ggml_init(params);

    // Kernel: [KW, KH, 1, C]