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cutlass/python/cutlass_cppgen/backend/evt/passes/graph_drawer.py
2025-09-18 14:26:57 -04:00

144 lines
5.4 KiB
Python

#################################################################################################
#
# 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
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#################################################################################################
from __future__ import annotations
import subprocess
from cutlass_library import DataTypeTag
from cutlass_cppgen.backend.evt.ir.dag_ir import DAGIR
_COLOR_MAP = {
"load": '"AliceBlue"',
"compute": "LemonChiffon1",
"accumulator": "LightGrey",
"store": "PowderBlue",
"layout": "lightseagreen",
"dag": "darkorange"
}
class EVTGraphDrawer:
"""
Visualize a EVT DAGIR with graphviz
"""
def __init__(
self,
graph: DAGIR,
name: str
):
self._name = name
self._dot_graphs = {}
self._dot_graphs[name] = self._to_dot(graph, name)
def _get_node_style(self, node):
template = {
"shape": "record",
"fillcolor": "#CAFFE3",
"style": '"filled,rounded"',
"fontcolor": "#000000",
}
if node.op in _COLOR_MAP:
template["fillcolor"] = _COLOR_MAP[node.op]
else:
raise NotImplementedError("unknown node op")
if node.disabled:
template["fontcolor"] = "grey"
template["fillcolor"] = "white"
return template
def _get_node_label(self, node):
label = "{" + f"name={node.name}|op={node.op}"
if node.op == "layout":
label += f"|fn={node.fn.__name__}"
for key in node.kwargs:
label += f"|{key}={node.kwargs[key]}"
if node.underlying_impl is not None:
label += f"|impl={type(node.underlying_impl).__name__}"
if node.op == "load":
label += f"|element_output={DataTypeTag[node.underlying_impl.element]}"
elif node.op == "compute":
label += f"|element_compute={DataTypeTag[node.underlying_impl.element_compute]}|element_output={DataTypeTag[node.underlying_impl.element_output]}"
elif node.op == "store":
label += f"|element_store={DataTypeTag[node.underlying_impl.element]}|element_output={DataTypeTag[node.underlying_impl.element_output]}"
elif node.op == "dag":
label += f"|element_output={DataTypeTag[node.underlying_impl.element_output]}"
if node.tensor is not None:
shape = node.tensor.shape
stride = node.tensor.stride
label += f"|shape={shape}|stride={stride}"
if hasattr(node, "store_tensor"):
if node.store_tensor is not None:
store_shape = node.store_tensor.shape
store_stride = node.store_tensor.stride
label += f"|store_shape={store_shape}|stride_stride={store_stride}"
label += "}"
return label
def _to_dot(
self,
graph: DAGIR,
name: str
):
import pydot
dot_graph = pydot.Dot(name, randir="TB")
for node in graph.nodes_meta:
style = self._get_node_style(node)
label = self._get_node_label(node)
dot_node = pydot.Node(
node.name, label=label, **style
)
dot_graph.add_node(dot_node)
if node.op == "dag":
dot_subgraph = self._to_dot(node.subgraph, name=node.name)
self._dot_graphs[node.name] = dot_subgraph
# Add edges
for src, dst in graph.edges:
weight = graph.get_edge_weight(src, dst)
dot_graph.add_edge(pydot.Edge(src, dst, label=weight))
return dot_graph
def get_dot_graph(self) -> pydot.Dot:
return [(key, self.get_dot_graph_by_name(key)) for key in self._dot_graphs.keys()]
def get_dot_graph_by_name(self, name) -> pydot.Dot:
return self._dot_graphs[name]
def get_main_dot_graph(self) -> pydot.Dot:
return self._dot_graphs[self._name]