Function compute_backend_graph

src/framework/core/backend.cpp:377–397

}

void release_backend_graph_resources(BackendType backend_type, ggml_backend_t backend, ggml_cgraph * graph, bool evict_cuda_graph_cache) {
    if (!evict_cuda_graph_cache) return;  // existing callsite/behavior unchanged
    if (backend_type == BackendType::Cuda || backend_type == BackendType::Hip) cuda_clear_graph(backend, graph);
}

void validate_backend_graph_supported(ggml_backend_t backend, ggml_cgraph * graph, const char * label) {
    if (backend == nullptr || graph == nullptr) {
        throw std::runtime_error("Cannot validate backend graph support for null backend or graph");
    }
    const int nodes = ggml_graph_n_nodes(graph);
    for (int i = 0; i < nodes; ++i) {
        ggml_tensor * node = ggml_graph_node(graph, i);
        if (node != nullptr && !ggml_backend_supports_op(backend, node)) {
            const char * graph_label = label != nullptr ? label : "graph";
            std::string op_name = ggml_op_name(node->op);
            if (node->op == GGML_OP_UNARY) {
                op_name += "/";
                op_name += ggml_unary_op_name(ggml_get_unary_op(node));
            }
            throw std::runtime_error(
                std::string(graph_label) +
                " contains unsupported backend op '" +
                op_name +
                "' at node " +