File: swizzle.py

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#################################################################################################
#
# Copyright (c) 2023 - 2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: BSD-3-Clause
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#################################################################################################

"""
Registry of swizzling functions
"""

from cutlass_library import SwizzlingFunctor


IdentitySwizzle1 = SwizzlingFunctor.Identity1
IdentitySwizzle2 = SwizzlingFunctor.Identity2
IdentitySwizzle4 = SwizzlingFunctor.Identity4
IdentitySwizzle8 = SwizzlingFunctor.Identity8
HorizontalSwizzle = SwizzlingFunctor.Horizontal
ThreadblockSwizzleStreamK = SwizzlingFunctor.StreamK
StridedDgradIdentitySwizzle1 = SwizzlingFunctor.StridedDgradIdentity1
StridedDgradIdentitySwizzle4 = SwizzlingFunctor.StridedDgradIdentity4
StridedDgradHorizontalSwizzle = SwizzlingFunctor.StridedDgradHorizontal


_swizzling_functors = [
    IdentitySwizzle1,
    IdentitySwizzle2,
    IdentitySwizzle4,
    IdentitySwizzle8,
    HorizontalSwizzle,
    ThreadblockSwizzleStreamK,
    StridedDgradIdentitySwizzle1,
    StridedDgradIdentitySwizzle4,
    StridedDgradHorizontalSwizzle,
]


def get_swizzling_functors():
    return _swizzling_functors