Rename python/cutlass to python/cutlass_cppgen (#2652)

python/cutlass_cppgen/swizzle.py

@@ -0,0 +1,65 @@
+#################################################################################################
+#
+# Copyright (c) 2023 - 2025 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
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# 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