cutlass/python/cutlass_api/cutlass_api/fusion/backend/sm100_nodes.py

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from cutlass_api.fusion.ir import AuxLoadImpl, AuxStoreImpl
from cutlass_api.fusion.library import DataTypeSize, DataTypeTag, FloatRoundStyleTag
import cutlass_api.fusion.backend.sm90_nodes as sm90_nodes
from cutlass_api.fusion.pycute import product


Sm100AccumulatorImpl = sm90_nodes.Sm90AccumulatorImpl
Sm100LoadSrcImpl = sm90_nodes.Sm90LoadSrcImpl
Sm100ScalarBroadcastImpl = sm90_nodes.Sm90ScalarBroadcastImpl
Sm100RowBroadcastImpl = sm90_nodes.Sm90RowBroadcastImpl
Sm100ColumnBroadcastImpl = sm90_nodes.Sm90ColumnBroadcastImpl
Sm100ComputeImpl = sm90_nodes.Sm90ComputeImpl
Sm100StoreDImpl = sm90_nodes.Sm90StoreDImpl
Sm100ColumnReductionImpl = sm90_nodes.Sm90ColumnReductionImpl
Sm100RowReductionImpl = sm90_nodes.Sm90RowReductionImpl
Sm100ScalarReductionImpl = sm90_nodes.Sm90ScalarReductionImpl


class Sm100AuxLoadImpl(AuxLoadImpl):
    @property
    def descriptor(self) -> str:
        """
        Descriptor for Aux Load
        """
        return f"{self.name_camel}Descriptor"

    def decl_descriptor(self) -> str:
        """
        Declare the descriptor type
        """
        return f"\nusing {self.descriptor} = cutlass::epilogue::collective::detail::Sm100AuxLoadDescriptor<EpilogueDescriptor, {self.stride_mnl}, {DataTypeTag[self.element]}>;\n"

    @property
    def type_decl(self):
        """
        Return the string defining the type
        """
        if self._type_decl is not None:
            return self._type_decl

        self._type_decl = self.decl_descriptor()
        self._type_decl += f"""
using {self.name_camel} = cutlass::epilogue::fusion::Sm90AuxLoad<
    {self.descriptor}::Stages, typename {self.descriptor}::EpilogueTile, {DataTypeTag[self.element]},
    {self.stride_mnl}, typename {self.descriptor}::SmemLayoutAtom, typename {self.descriptor}::CopyOpS2R
>;
"""
        return self._type_decl

    def get_smem_size(
        self, cta_tile_mnk, epilogue_tile_mn, stages_c, stages_d, epi_tiles
    ):
        """
        Get the shared memory size based on epilogue_tile_mn, stages_c, and stages_d
        """
        return (
            DataTypeSize[self.element] * stages_c * product(epilogue_tile_mn) // 8,
            128,
        )


class Sm100AuxStoreImpl(AuxStoreImpl):
    @property
    def descriptor(self) -> str:
        """
        Descriptor for Aux Load
        """
        return f"{self.name_camel}Descriptor"

    def decl_descriptor(self) -> str:
        """
        Declare the descriptor type
        """
        return f"""
using {self.descriptor} = cutlass::epilogue::collective::detail::Sm100AuxStoreDescriptor<
    EpilogueDescriptor, {self.stride_mnl}, {DataTypeTag[self.element]}
>;
"""

    @property
    def type_decl(self):
        """
        Return the string defining the type
        """
        if self._type_decl is not None:
            return self._type_decl

        self._type_decl = self.decl_descriptor()
        self._type_decl += f"""
using {self.name_camel} = cutlass::epilogue::fusion::Sm90AuxStore<
    {self.descriptor}::Stages, typename {self.descriptor}::EpilogueTile, {DataTypeTag[self.element]},
    {FloatRoundStyleTag[self.round_style]}, {self.stride_mnl}, typename {self.descriptor}::SmemLayoutAtom,
    typename {self.descriptor}::CopyOpR2S
>;
"""
        return self._type_decl

    def get_smem_size(
        self, cta_tile_mnk, epilogue_tile_mn, stages_c, stages_d, epi_tiles
    ):
        """
        Get the shared memory size based on epilogue_tile_mn, stages_c, and stages_d
        """
        return (
            DataTypeSize[self.element] * stages_d * product(epilogue_tile_mn) // 8,
            128,
        )