int device_ordinal = -1;

    // The name of the compilation device, also referred to as jit_device_type.
    // (e.g., "XLA_CPU_JIT");
    std::string compilation_device_name;

    // A vector of ShapeDeterminationFn (i.e., a bundle of LayoutSelectionFn,
    // ShapeRepresentationFn). Each bundle describes how the on-host shapes of
    // a) argument and return value, for entry computations b) variables, for

    // compute stream. Otherwise each XLA device will having their own compute
    // streams.
    bool use_global_compute_stream = false;

    // A vector of ShapeDeterminationFn (i.e., a bundle of LayoutSelectionFn,
    // ShapeRepresentationFn). Each bundle describes how the on-host shapes of
    // a) argument and return value, for entry computations b) variables, for