Support scalar array Input/Output

[iitaku]

No description provided.

[xinyuli1204]

C++ USAGE

std::array

option1

........
        std::array<int, 4> offsets = {1, 2, 3, 4};
        auto n = b.add("test_scalar_array")(in, &offsets).set_params(Param("input_offsets.size", 4));
        n["output"].bind(outs);
        b.run();

option2

........
        Port offsets_p{"input_offsets", Halide::type_of<int32_t>(), 0};
        std::array<int, 4> offsets = {1, 2, 3, 4};
        auto n = b.add("test_scalar_array")(in, offsets_p).set_params(Param("input_offsets.size", 4));
        offsets_p.bind(&offsets)
        n["output"].bind(outs);
        b.run();

[xinyuli1204]

Python USAGE

test case

def test_all():
    # Test new Buffer API

    input_port = Port(name='input', type=Type.from_dtype(np.dtype(np.int32)), dim=2)

    offsets_port = Port(name='input_offsets', type=Type.from_dtype(np.dtype(np.int32)), dim=0)
    builder = Builder()
    builder.set_target(target='host')
    builder.with_bb_module(path='ion-bb-test')

    node = (builder.add('test_scalar_array').set_iports([input_port,offsets_port])
            .set_params(params=[ Param(key='input_offsets.size', val='4') ]))

    idata = np.full((4, 4), fill_value=42, dtype=np.int32)
    ibuf = Buffer(array=idata)
    offsets_ = [1, 2, 3, 4]


    odata = []
    obufs = []
    for i in range(4):
        odata.append(np.full((4, 4), fill_value=0, dtype=np.int32))
        obufs.append(Buffer(array=odata[i]))

    input_port.bind(ibuf)
    offsets_port.bind(offsets_)
    output_port = node.get_port(name='output')
    output_port.bind(obufs)

    # First run
    builder.run()

    for i in range(4):
        print (odata[i][0][0])

    print("passed")

test_all()

offsets_port = Port(name='input_offsets', type=Type(code_=TypeCode.Int, bits_=32, lanes_=1), dim=0)
...................
offsets_ = [1, 2, 3, 4]
offsets_port.bind(offsets_)

[xinyuli1204]

pr here #335