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# test/unit/conv/device/conv2d_fprop_implicit_gemm_f16nhwc_f16nhwc_f32nhwc_tensor_op_f32_sm80.cu
import pycutlass
from pycutlass import *
from pycutlass.test import *
from pycutlass.utils.device import device_cc
import unittest


@unittest.skipIf(device_cc() < 80, "Device compute capability is insufficient for SM80 tests.")
class Conv2dDgradImplicitGemmF16nhwcF16nhwcF32nhwcTensorOpF32SM80(unittest.TestCase):
    def test_SM80_Device_Conv2d_Dgrad_Optimized_ImplicitGemm_f16nhwc_f16nhwc_f32nhwc_tensor_op_f32_unity_stride_stage3(self):
        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=4)

        tile_description = TileDescription(
            threadblock_shape=[128, 128, 32], stages=3, 
            warp_count=[2, 2, 1],
            math_instruction=math_inst
        )

        epilogue_functor = LinearCombination(
            C.element, C.alignment, 
            math_inst.element_accumulator, cutlass.float32)

        operation = Conv2dOperation(
            conv_kind=cutlass.conv.Operator.dgrad, iterator_algorithm=cutlass.conv.IteratorAlgorithm.optimized,
            arch=80, tile_description=tile_description, A=A, B=B, C=C, 
            stride_support=StrideSupport.Unity,
            epilogue_functor=epilogue_functor,
            swizzling_functor=cutlass.IdentitySwizzle1
        )
        
        self.assertTrue(test_all_conv2d(operation))

    def test_SM80_Device_Conv2d_Dgrad_Optimized_ImplicitGemm_f16nhwc_f16nhwc_f32nhwc_tensor_op_f32_unity_stride_stage4(self):
        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=4)

        tile_description = TileDescription(
            threadblock_shape=[128, 128, 32], stages=4, 
            warp_count=[2, 2, 1],
            math_instruction=math_inst
        )

        epilogue_functor = LinearCombination(
            C.element, C.alignment, 
            math_inst.element_accumulator, cutlass.float32)

        operation = Conv2dOperation(
            conv_kind=cutlass.conv.Operator.dgrad, iterator_algorithm=cutlass.conv.IteratorAlgorithm.optimized,
            arch=80, tile_description=tile_description, A=A, B=B, C=C, 
            stride_support=StrideSupport.Unity,
            epilogue_functor=epilogue_functor,
            swizzling_functor=cutlass.IdentitySwizzle1
        )
        
        self.assertTrue(test_all_conv2d(operation))
    
    def test_SM80_Device_Conv2d_Dgrad_Optimized_ImplicitGemm_f16nhwc_f16nhwc_f32nhwc_tensor_op_f32_unity_stride_stage3_64(self):
        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=4)

        tile_description = TileDescription(
            threadblock_shape=[128, 128, 64], stages=3, 
            warp_count=[2, 2, 1],
            math_instruction=math_inst
        )

        epilogue_functor = LinearCombination(
            C.element, C.alignment, 
            math_inst.element_accumulator, cutlass.float32)

        operation = Conv2dOperation(
            conv_kind=cutlass.conv.Operator.dgrad, iterator_algorithm=cutlass.conv.IteratorAlgorithm.optimized,
            arch=80, tile_description=tile_description, A=A, B=B, C=C, 
            stride_support=StrideSupport.Unity,
            epilogue_functor=epilogue_functor,
            swizzling_functor=cutlass.IdentitySwizzle1
        )
        
        self.assertTrue(test_all_conv2d(operation))
    
    def test_SM80_Device_Conv2d_Dgrad_Optimized_ImplicitGemm_f16nhwc_f16nhwc_f32nhwc_tensor_op_f32_unity_stride_stage4_64(self):
        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=4)

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

        epilogue_functor = LinearCombination(
            C.element, C.alignment, 
            math_inst.element_accumulator, cutlass.float32)

        operation = Conv2dOperation(
            conv_kind=cutlass.conv.Operator.dgrad, iterator_algorithm=cutlass.conv.IteratorAlgorithm.optimized,
            arch=80, tile_description=tile_description, A=A, B=B, C=C, 
            stride_support=StrideSupport.Unity,
            epilogue_functor=epilogue_functor,
            swizzling_functor=cutlass.IdentitySwizzle1
        )
        
        self.assertTrue(test_all_conv2d(operation))

if __name__ == '__main__':
    pycutlass.get_memory_pool(2**26, 2**26)
    unittest.main()
