Files
2026-07-13 12:40:42 +08:00

388 lines
13 KiB
Python

# Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
from itertools import chain
import paddle
from paddle.utils import flatten
from ..utils import ConstTypes, ExportError, NameGenerator, get_api_fullname
from .statement_ir import Symbol
class PyStatement:
tab = " " * 4
def __init__(self, *lines):
self.sub_statement = []
self.lines = lines
def get_lines(self, prefix=""):
lines = [prefix + line for line in self.lines]
for statement in self.sub_statement:
lines.extend(statement.get_lines(self.tab + prefix))
return lines
def add_sub(self, *lines):
sub = PyStatement(*lines)
self.sub_statement.append(sub)
return sub
def __str__(self):
return "\n".join(self.get_lines())
class NameGener:
def __init__(self, SIR):
self.SIR = SIR
self.name_map = {}
self.param_name_generator = NameGenerator("self.parameter_")
self.non_param_name_generator = NameGenerator("var_")
def __call__(self, var):
return self.get_str(var)
def get_str(self, var):
if isinstance(var, list):
return self.get_list_str(var)
elif isinstance(var, tuple):
return self.get_tuple_str(var)
elif isinstance(var, dict):
return self.get_dict_str(var)
elif isinstance(var, set):
return self.get_set_str(var)
else:
return self.get_obj_str(var)
def get_list_str(self, list_):
return "[{}]".format(", ".join(self.get_str(var) for var in list_))
def get_tuple_str(self, tuple_):
return "({},)".format(", ".join(self.get_str(var) for var in tuple_))
def get_dict_str(self, dict_):
return "{{{},}}".format(
", ".join(
f"{self.get_str(k)}: {self.get_str(v)}"
for k, v in dict_.items()
)
)
def get_set_str(self, set_):
return "{{{},}}".format(", ".join(self.get_str(var) for var in set_))
def get_obj_str(self, var):
if isinstance(var, Symbol):
if var not in self.name_map:
self.register_symbol(var)
return self.name_map[var]
elif isinstance(var, str):
return f"'{var}'"
else:
return str(var)
def register_symbol(self, symbol):
if symbol in self.SIR.param_symbol:
name = self.param_name_generator.next()
else:
name = self.non_param_name_generator.next()
self.name_map[symbol] = name
class PyFileGen:
def __init__(self, SIR):
self.SIR = SIR
self.roots = []
self.name_gener = NameGener(self.SIR)
self.SIR_sig = "||".join(
f"{stmt.type}:{stmt.name}" for stmt in SIR.statements
)
def new_root(self, *args):
stmt = PyStatement(*args)
self.roots.append(stmt)
return stmt
def roots_to_string(self):
lines = []
for root in self.roots:
lines.extend(root.get_lines())
return "\n".join(lines)
def gen_py_codes(self):
self.check_exportable()
self.create_header()
self.new_root("\n")
self.create_layer()
self.new_root("\n")
self.create_inputs()
self.new_root("\n")
self.create_test()
self.new_root("\n")
self.create_tail()
return self.roots_to_string()
def is_exportable_type(self, value):
if (
isinstance(value, (ConstTypes, Symbol, paddle.dtype))
or value is Ellipsis # NOINT
):
return True
if isinstance(value, slice):
return (
self.is_exportable_type(value.start)
and self.is_exportable_type(value.stop)
and self.is_exportable_type(value.step)
)
return False
def check_exportable(self):
for stmt in self.SIR.statements:
for inp in flatten(stmt.inputs):
if not self.is_exportable_type(inp):
raise ExportError(
f"Not support create python file with input: {inp}"
)
def create_header(self):
self.new_root(
f"# {self.SIR_sig}",
"import paddle",
"import unittest",
"import numpy as np",
)
def create_layer(self):
layer_class = self.new_root("class LayerCase(paddle.nn.Layer):")
init_fn = layer_class.add_sub("def __init__(self):")
init_fn.add_sub("super().__init__()")
for param in self.SIR.param_symbol:
meta = self.SIR.symbol_meta_map[param].unwrap_unsafe()
init_fn.add_sub(
f"{self.name_gener(param)} = self.create_parameter(",
f" shape={meta.shape},",
f" dtype={meta.dtype},",
")",
)
for stmt in self.SIR.statements:
if stmt.type == "layer":
layer = stmt.layer()
init_fn.add_sub(self.init_sub_layer(layer))
forward_definition = ["def forward(", " self,"]
for inp in self.SIR.inputs:
if inp in self.SIR.non_param_symbol:
meta = self.SIR.symbol_meta_map[inp]
forward_definition.append(
f" {self.name_gener(inp)}, # {meta}"
)
forward_definition.append("):")
forward_fn = layer_class.add_sub(*forward_definition)
for stmt in self.SIR.statements:
forward_fn.add_sub(*self.create_stmt_line(stmt))
forward_fn.add_sub(
"return {}".format(
", ".join(self.name_gener(out) for out in self.SIR.outputs)
)
)
def create_inputs(self):
create_paddle_inputs = self.new_root("def create_paddle_inputs():")
self.new_root("\n")
create_numpy_inputs = self.new_root("def create_numpy_inputs():")
paddle_inputs = ["inputs = ("]
numpy_inputs = ["inputs = ("]
for inp in self.SIR.inputs:
if inp in self.SIR.non_param_symbol:
meta = self.SIR.symbol_meta_map[inp.name].unwrap_unsafe()
shape_str = "[1]" if len(meta.shape) == 0 else str(meta.shape)
if meta.dtype in (
paddle.int8,
paddle.int16,
paddle.int32,
paddle.int64,
):
paddle_inputs.append(
f" paddle.randint(low=0, high=10, shape={shape_str}, dtype={meta.dtype}),"
)
numpy_inputs.append(
" np.random.randint(low=0, high=10, size={}, dtype='{}'),".format(
shape_str, str(meta.dtype).replace('paddle.', '')
)
)
elif meta.dtype is paddle.bool:
paddle_inputs.append(
f" paddle.randint(low=0, high=2, shape={shape_str}, dtype=paddle.int32).cast(paddle.bool),"
)
numpy_inputs.append(
f" np.random.randint(low=0, high=2, size={shape_str}, dtype='int').astype('bool'),"
)
else:
paddle_inputs.append(
f" paddle.rand(shape={shape_str}, dtype={meta.dtype}),"
)
numpy_inputs.append(
" np.random.random(size={}).astype('{}'),".format(
shape_str, str(meta.dtype).replace('paddle.', '')
)
)
paddle_inputs.append(")")
paddle_inputs.append("return inputs")
numpy_inputs.append(")")
numpy_inputs.append("return inputs")
create_paddle_inputs.add_sub(*paddle_inputs)
create_numpy_inputs.add_sub(*numpy_inputs)
def create_test(self):
test_class = self.new_root("class TestLayer(unittest.TestCase):")
setup = test_class.add_sub("def setUp(self):")
setup.add_sub("self.inputs = create_paddle_inputs()")
setup.add_sub("self.net = LayerCase()")
train = test_class.add_sub(
"def train(self, net, to_static, with_prim=False, with_cinn=False):"
)
train.add_sub(
"if to_static:",
" paddle.base.core._set_prim_all_enabled(with_prim)",
" if with_cinn:",
' assert with_prim, "with_cinn=True but with_prim=False is unsupported"',
' net = paddle.jit.to_static(net, backend="CINN", full_graph=True)',
" else:",
" net = paddle.jit.to_static(net, backend=None, full_graph=True)",
"paddle.seed(123)",
"outs = net(*self.inputs)",
"return outs",
)
test_ast_cinn_static = test_class.add_sub(
"def test_ast_prim_cinn(self):"
)
test_ast_cinn_static.add_sub(
"st_out = self.train(self.net, to_static=True)",
"cinn_out = self.train(self.net, to_static=True, with_prim=True, with_cinn=True)",
"for st, cinn in zip(paddle.utils.flatten(st_out), paddle.utils.flatten(cinn_out)):",
" np.testing.assert_allclose(st.numpy(), cinn.numpy(), atol=1e-8)",
)
def create_tail(self):
self.new_root(
"if __name__ == '__main__':",
" unittest.main()",
)
def init_sub_layer(self, layer, layer_name):
# TODO @wuzhanfei need more efficient way to create a sub layer
# now, we just close call_Layer behavior
raise ExportError("Not support create sub layer now.")
def create_input_string(self, args, kwargs):
return ", ".join(
chain(
(self.name_gener(arg) for arg in args),
(f"{k}={self.name_gener(v)}" for k, v in kwargs.items()),
)
)
def create_unpack_output_string(self, outputs):
path = ["out"]
result = []
def search(outputs, path, result):
if isinstance(outputs, (list, tuple)):
search_sequence(outputs, path, result)
elif isinstance(outputs, dict):
search_dict(outputs, path, result)
elif isinstance(outputs, Symbol):
result.append(self.name_gener(outputs) + " = " + "".join(path))
def search_sequence(outputs, path, result):
for idx, out in enumerate(outputs):
path.append(f"[{idx}]")
search(out, path, result)
path.pop()
def search_dict(outputs, path, result):
for k, out in outputs.items():
path.append(f"[{k}]")
search(out, path, result)
path.pop()
search(outputs, path, result)
return result
def create_stmt_line(self, stmt):
return getattr(self, "create_" + stmt.type + "_stmt")(stmt)
def create_api_stmt(self, stmt):
args, kwargs = stmt.inputs
input_str = self.create_input_string(args, kwargs)
api = stmt.api
api_str = get_api_fullname(api)
if api_str is None:
raise ExportError(f"Can not find module of {api}")
if isinstance(stmt.outputs, Symbol):
return [f"{self.name_gener(stmt.outputs)} = {api_str}({input_str})"]
else:
compute_code = f"out = {api_str}({input_str})"
unpack_codes = self.create_unpack_output_string(stmt.outputs)
return [compute_code, *unpack_codes]
def create_method_stmt(self, stmt):
args, kwargs = stmt.inputs
input_str = self.create_input_string(args[1:], kwargs)
method_str = self.name_gener(args[0]) + "." + stmt.method
if isinstance(stmt.outputs, Symbol):
return [
f"{self.name_gener(stmt.outputs)} = {method_str}({input_str})"
]
else:
compute_code = f"out = {method_str}({input_str})"
unpack_codes = self.create_unpack_output_string(stmt.outputs)
return [compute_code, *unpack_codes]
def export(SIR, path):
try:
pygen = PyFileGen(SIR)
string = pygen.gen_py_codes()
except ExportError as e:
print(f"[SOT] Export {SIR.name} Failed:", e)
return
if not os.path.exists(path):
os.makedirs(path)
with open(os.path.join(path, f"{SIR.name}.py"), "w") as f:
f.write(string)
print(
f"[SOT] Export {SIR.name} Success with size {len(SIR.statements)}"
)