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"""
Low-level functionality tests for GEMM with F64 operands on SM80
"""

from functools import partial
import logging
import unittest

import cutlass
from cutlass.backend.utils.device import device_cc

from utils import LayoutCombination, add_test_gemm


cutlass.set_log_level(logging.WARNING)
cc = 80
dtype = cutlass.DataType.f64


@unittest.skipIf(device_cc() < cc, 'Device compute capability is insufficient for SM80 tests.')
@unittest.skipIf(cutlass.utils.datatypes.torch_type(dtype) is None, f'Version of torch installed does not contain a datatype match for {dtype}')
class GemmF64Sm80(unittest.TestCase):
    """
    Wrapper class to which tests will be added dynamically in __main__
    """
    pass


@unittest.skipIf(device_cc() < cc, 'Device compute capability is insufficient for SM80 tests.')
@unittest.skipIf(cutlass.utils.datatypes.torch_type(dtype) is None, f'Version of torch installed does not contain a datatype match for {dtype}')
class GemmF64Sm80StreamK(unittest.TestCase):
    """
    Wrapper class to which tests will be added dynamically in __main__
    """
    pass


add_test_specialized = partial(add_test_gemm, element=dtype, cc=cc, cluster_shape=[1, 1, 1])

# Tests using TensorOp
add_test_tensorop = partial(add_test_specialized, opclass=cutlass.OpcodeClass.TensorOp)

add_test_tensorop(cls=GemmF64Sm80, layouts=LayoutCombination.NNN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
                  element_accumulator=dtype, threadblock_shape=[128, 128, 16], warp_count=[4, 2, 1], stages=3)
add_test_tensorop(cls=GemmF64Sm80, layouts=LayoutCombination.NTN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
                  element_accumulator=dtype, threadblock_shape=[ 64,  64, 16], warp_count=[2, 2, 1], stages=4)
add_test_tensorop(cls=GemmF64Sm80, layouts=LayoutCombination.TTN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
                  element_accumulator=dtype, threadblock_shape=[ 32,  32, 16], warp_count=[2, 1, 1], stages=5)

# Tests using SIMT
add_test_simt = partial(add_test_specialized, opclass=cutlass.OpcodeClass.Simt)

add_test_simt(cls=GemmF64Sm80, layouts=LayoutCombination.NNN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
              element_accumulator=dtype, threadblock_shape=[128, 128, 8], warp_count=[2, 2, 1], stages=2)
add_test_simt(cls=GemmF64Sm80, layouts=LayoutCombination.TNN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
              element_accumulator=dtype, threadblock_shape=[ 64, 128, 8], warp_count=[1, 2, 1], stages=2)
add_test_simt(cls=GemmF64Sm80, layouts=LayoutCombination.NTN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
              element_accumulator=dtype, threadblock_shape=[128,  64, 8], warp_count=[2, 1, 1], stages=2)
add_test_simt(cls=GemmF64Sm80, layouts=LayoutCombination.TTN, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
              element_accumulator=dtype, threadblock_shape=[ 64,  64, 8], warp_count=[1, 1, 1], stages=2)
add_test_simt(cls=GemmF64Sm80, layouts=LayoutCombination.NNT, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
              element_accumulator=dtype, threadblock_shape=[128, 128, 8], warp_count=[2, 2, 1], stages=2)

# Stream K tests
add_test_streamk = partial(add_test_specialized, opclass=cutlass.OpcodeClass.TensorOp, swizzle=cutlass.swizzle.ThreadblockSwizzleStreamK)
add_test_streamk(cls=GemmF64Sm80StreamK, layouts=LayoutCombination.NTT, alignments=[1, 1, 1], element_output=dtype, element_C=dtype,
                 element_accumulator=dtype, threadblock_shape=[128, 128, 16], warp_count=[4, 2, 1], stages=3)


if __name__ == '__main__':
    unittest.main()
