Function make_context

subprojects/llama.cpp/tests/test-alloc.cpp:125–134

};

static test_context_with_graph make_context() {
    ggml_init_params params{};
    params.mem_size = 48 * ggml_tensor_overhead() + ggml_graph_overhead();
    params.no_alloc = true;

    ggml_context *   ctx     = ggml_init(params);
    ggml_context_ptr ctx_ptr = ggml_context_ptr(ctx);
    ggml_cgraph *    graph   = ggml_new_graph(ctx);
    return { ctx, graph, std::move(ctx_ptr) };
}

static ggml_tensor * make_input_1d(ggml_context * ctx, int64_t n_elements) {
    ggml_tensor * t = ggml_new_tensor_1d(ctx, GGML_TYPE_F32, n_elements);