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from pycutlass import *
import pycutlass
from pycutlass.epilogue import LinearCombination
from pycutlass.test.conv2d_testbed import Conv2dLauncher


if __name__ == "__main__":
    pycutlass.get_memory_pool(2**33, 2**33)
    pycutlass.compiler.nvcc()

    math_inst = MathInstruction(
        instruction_shape=[16, 8, 16],
        element_a=cutlass.float16, element_b=cutlass.float16,
        element_accumulator=cutlass.float32, opcode_class=cutlass.OpClass.TensorOp,
        math_operation=MathOperation.multiply_add
    )

    A = TensorDescription(
        element=math_inst.element_a, 
        layout=cutlass.TensorNHWC,
        alignment=8)
    B = TensorDescription(
        element=math_inst.element_b, 
        layout=cutlass.TensorNHWC, 
        alignment=8)
    C = TensorDescription(
        element=cutlass.float32,
        layout=cutlass.TensorNHWC, 
        alignment=8)

    tile_description = TileDescription(
        threadblock_shape=[128, 128, 64], stages=4, 
        warp_count=[2, 2, 1],
        math_instruction=math_inst
    )

    epilogue_functor = LinearCombination(cutlass.float32, 4, cutlass.float32, cutlass.float32)

    operation = Conv2dOperation(
        conv_kind=cutlass.conv.Operator.fprop, iterator_algorithm=cutlass.conv.IteratorAlgorithm.optimized,
        arch=80, tile_description=tile_description, A=A, B=B, C=C, 
        element_epilogue=cutlass.float32, stride_support=StrideSupport.Strided,
        epilogue_functor=epilogue_functor,
        swizzling_functor=cutlass.IdentitySwizzle1
    )

    profiler = Conv2dLauncher(operation, verification=False, profiling=True)

    python_runtime = profiler.run(
        problem_size = cutlass.conv.Conv2dProblemSize(
            cutlass.Tensor4DCoord(32, 224, 224, 128),
            cutlass.Tensor4DCoord(128, 3, 3, 128),
            cutlass.Tensor4DCoord(1, 1, 1, 1),
            cutlass.MatrixCoord(1, 1),
            cutlass.MatrixCoord(1, 1),
            cutlass.conv.Mode.cross_correlation,
            1, 1
        ), split_k_mode=cutlass.conv.SplitKMode.Serial
    )


    cpp_runtime = profiler.run_cutlass_profiler(
        problem_size = cutlass.conv.Conv2dProblemSize(
            cutlass.Tensor4DCoord(32, 224, 224, 128),
            cutlass.Tensor4DCoord(128, 3, 3, 128),
            cutlass.Tensor4DCoord(1, 1, 1, 1),
            cutlass.MatrixCoord(1, 1),
            cutlass.MatrixCoord(1, 1),
            cutlass.conv.Mode.cross_correlation,
            1, 1
        ), split_k_mode=cutlass.conv.SplitKMode.Serial
    )

    print(cpp_runtime / python_runtime)