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

python/cutlass_cppgen/backend/evt/ir/compute_nodes.py

@@ -0,0 +1,91 @@
+#################################################################################################
+#
+# 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.
+#
+#################################################################################################
+
+"""
+Python registration for compute nodes in EVT
+"""
+
+from cutlass_cppgen.backend.evt.ir.node import NodeBase, ImplBase
+from cutlass_cppgen.backend.library import FloatRoundStyle
+
+
+class ComputeImplBase(ImplBase):
+    """
+    Base class for compute implementation
+    """
+    def __init__(self, node) -> None:
+        super().__init__(node)
+
+
+class ComputeImpl(ComputeImplBase):
+    """
+    Implementation for Compute Node
+    """
+    def __init__(self, node) -> None:
+        super().__init__(node)
+
+        self.fn = node.fn
+        self.element_output = node.element_output
+        self.element_compute = node.element_compute
+        self.round_style = node.round_style
+
+    @staticmethod
+    def match(node, problem_size: tuple):
+        return True
+
+
+class ComputeNode(NodeBase):
+    """
+    Compute Node in DAG IR
+    """
+    possible_impls = [
+        ComputeImpl
+    ]
+    def __init__(
+        self, name: str, fn, element_output,
+        element_compute,
+        round_style=FloatRoundStyle.ToNearest) -> None:
+        super().__init__(name)
+        self.op = "compute"
+        self.fn = fn
+        self.element_compute = element_compute
+        self.round_style = round_style
+
+    def type_propagation(self, *args, **kwargs):
+        """
+        Load node loads tensor under type `tensor.element` and returns an array of type `tensor.element`.
+        """
+        self.element = self.element_compute
+        # In general, the compute nodes have element_output = element_compute
+        # In certain cases like producer of D it is overwritten by other passes
+        if not hasattr(self, "element_output"):
+            self.element_output = self.element