432 lines
15 KiB
Python
432 lines
15 KiB
Python
# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import argparse
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import yaml
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from api_gen import ForwardAPI
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PREFIX_TENSOR_NAME = 'input_'
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PREFIX_META_TENSOR_NAME = 'meta_'
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class StringsAPI(ForwardAPI):
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def __init__(self, api_item_yaml):
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super().__init__(api_item_yaml)
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def get_api_func_name(self):
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return self.api
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def gene_api_declaration(self):
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return f"""
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// {", ".join(self.outputs['names'])}
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{super().gene_api_declaration(append_predefined_out=False)}
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"""
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def get_kernel_tensor_out_type(self, output_name):
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strings_type = 'TensorType::DENSE_TENSOR'
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if output_name.endswith('@StringTensor'):
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strings_type = 'TensorType::STRING_TENSOR'
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return strings_type
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def get_tensor_type(self, kernel_tensor_out_type):
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tensor_type_dict = {
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"TensorType::DENSE_TENSOR": "phi::DenseTensor",
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"TensorType::STRING_TENSOR": "phi::StringTensor",
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}
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return tensor_type_dict[kernel_tensor_out_type]
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def gene_output(
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self,
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out_dtype_list,
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out_tensor_type_list=None,
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code_indent='',
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inplace_flag=False,
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):
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kernel_output = []
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output_names = []
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output_create = ""
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return_type = self.get_return_type(inplace_flag)
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if len(out_dtype_list) == 1:
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kernel_output.append('kernel_out')
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output_names.append('kernel_out')
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kernel_tensor_out_type = self.get_kernel_tensor_out_type(
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self.outputs['names'][0]
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)
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tensor_type = self.get_tensor_type(kernel_tensor_out_type)
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inplace_assign = (
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" = " + self.inplace_map[self.outputs['names'][0]]
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if inplace_flag
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and self.inplace_map is not None
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and self.outputs['names'][0] in self.inplace_map
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else ""
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)
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output_create = f"""
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{return_type} api_output{inplace_assign};
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{tensor_type}* kernel_out = dynamic_cast<{tensor_type}*>(SetStringsKernelOutput(&api_output, {kernel_tensor_out_type}));"""
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elif len(out_dtype_list) > 1:
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output_create = f"""
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{return_type} api_output;"""
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for i in range(len(out_dtype_list)):
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kernel_output.append(f'kernel_out_{i}')
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output_names.append(f'kernel_out_{i}')
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kernel_tensor_out_type = self.get_kernel_tensor_out_type(
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self.outputs['names'][i]
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)
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tensor_type = self.get_tensor_type(kernel_tensor_out_type)
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if (
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inplace_flag
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and self.inplace_map is not None
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and self.outputs['names'][i] in self.inplace_map
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):
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output_create = (
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output_create
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+ f"""
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std::get<{i}>(api_output) = {self.inplace_map[self.outputs['names'][i]]};"""
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)
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output_create = (
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output_create
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+ f"""
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{tensor_type}* kernel_out_{i} = dynamic_cast<{tensor_type}*>(SetStringsKernelOutput(&std::get<{i}>(api_output), {kernel_tensor_out_type}));"""
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)
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else:
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raise ValueError(
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f"{self.api} : Output error: the output should not be empty."
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)
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return kernel_output, output_names, output_create
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def get_kernel_args(self, code_indent):
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input_trans_map = {
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'const Tensor&': 'const phi::StringTensor&',
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'const std::vector<Tensor>&': 'const std::vector<const phi::StringTensor*>&',
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'const paddle::optional<Tensor>&': 'paddle::optional<const phi::StringTensor&>',
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'const paddle::optional<std::vector<Tensor>>&': 'paddle::optional<const std::vector<phi::StringTensor>&>',
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}
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out_trans_map = {
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'Tensor': 'phi::StringTensor*',
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'std::vector<Tensor>': 'std::vector<phi::StringTensor*>&',
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}
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input_names = self.inputs['names']
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input_infos = self.inputs['input_info']
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kernel_args_type_list = ['const phi::DeviceContext&']
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attr_names = self.attrs['names']
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kernel_param = self.kernel['param']
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if kernel_param is None:
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kernel_param = input_names + attr_names
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input_tensor_code = ""
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# set input_tensor_code
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for i, input_name in enumerate(input_names):
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input_tensor_code = (
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input_tensor_code
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+ f"""
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{code_indent} auto {PREFIX_TENSOR_NAME}{input_name} = TensorToStringTensor({input_name});"""
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)
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# set kernel_args
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kernel_args = "*dev_ctx, "
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for param in kernel_param:
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if param in input_names:
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if param in self.optional_vars:
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kernel_args = (
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kernel_args + PREFIX_TENSOR_NAME + param + ", "
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)
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else:
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if self.inputs['input_info'][param] == "const Tensor&":
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kernel_args = (
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kernel_args
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+ "*"
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+ PREFIX_TENSOR_NAME
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+ param
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+ ", "
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)
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elif (
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self.inputs['input_info'][input_name]
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== "const std::vector<Tensor>&"
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):
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kernel_args = (
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kernel_args + PREFIX_TENSOR_NAME + param + ", "
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)
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else:
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# do nothing
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pass
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kernel_in_type = input_trans_map[input_infos[param]]
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kernel_args_type_list.append(kernel_in_type)
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elif param in attr_names:
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# set attr for kernel_context
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if 'IntArray' in self.attrs['attr_info'][param][0]:
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kernel_args_type_list.append('const phi::IntArray&')
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param = 'phi::IntArray(' + param + ')'
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elif 'Scalar' in self.attrs['attr_info'][param][0]:
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kernel_args_type_list.append('const phi::Scalar&')
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param = 'phi::Scalar(' + param + ')'
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else:
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kernel_args_type_list.append(
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self.attrs['attr_info'][param][0]
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)
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kernel_args = kernel_args + param + ", "
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elif isinstance(param, bool):
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kernel_args = kernel_args + str(param).lower() + ", "
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else:
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kernel_args = kernel_args + str(param) + ", "
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for out_type in self.outputs['types']:
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kernel_args_type_list.append(out_trans_map[out_type])
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# set kernel_signature
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kernel_signature = "void(*)(" + ", ".join(kernel_args_type_list) + ")"
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return input_tensor_code, kernel_args[:-2], kernel_signature
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def gen_string_tensor_kernel_code(self, inplace_flag=False, code_indent=""):
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input_tensors, kernel_args, kernel_signature = self.get_kernel_args(
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code_indent
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)
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outputs_args, kernel_output_names, output_create = self.gene_output(
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self.outputs['types'], None, '', inplace_flag
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)
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return f"""
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// 1. Get kernel signature and kernel
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VLOG(6) << "{self.api} api strings kernel key: [" << kernel_backend << ", " << kernel_layout << ", "<< kernel_data_type << "]";
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auto kernel_result = phi::KernelFactory::Instance().SelectKernelOrThrowError(
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"{self.kernel['func'][0]}", {{kernel_backend, kernel_layout, kernel_data_type}});
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if (FLAGS_low_precision_op_list) {{
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phi::KernelFactory::Instance().AddToLowPrecisionKernelList("{self.api}", kernel_data_type);
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}}
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const auto& kernel = kernel_result.kernel;
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VLOG(6) << "{self.api} api strings kernel: " << kernel;
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// 2. Get Device Context and input
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auto* dev_ctx = GetDeviceContextByBackend(kernel_result.has_fallback_cpu ? Backend::CPU : kernel_backend);
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{input_tensors}
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// 3. Set output
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{output_create}
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{self.gene_infer_meta(kernel_output_names, code_indent)}
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// 4. run kernel
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{code_indent} using kernel_signature = {kernel_signature};
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{code_indent} auto* kernel_fn = kernel.GetVariadicKernelFn<kernel_signature>();
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{code_indent} (*kernel_fn)({kernel_args}, {", ".join(outputs_args)});
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{code_indent} if (FLAGS_benchmark) {{
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{code_indent} dev_ctx->Wait();
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{code_indent} std::cout << \"{self.api} kernel run finish.\" << std::endl;
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{code_indent} }}
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{code_indent} {self.gene_return_code()}"""
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def gene_kernel_select(self) -> str:
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api = self.api
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input_names = self.inputs['names']
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attrs = self.attrs
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kernel = self.kernel
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kernel_key_item_init = """
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Backend kernel_backend = Backend::UNDEFINED;
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DataLayout kernel_layout = DataLayout::PSTRING_UNION;
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DataType kernel_data_type = DataType::PSTRING;
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"""
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# Check the tensor options
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attr_backend_count = 0
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attr_layout_count = 0
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attr_data_type_count = 0
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for attr_name in attrs['names']:
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if attrs['attr_info'][attr_name][0] == 'Backend':
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assert kernel['backend'] is not None, (
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f"{api} api: When there is a parameter with 'Backend' type in attributes, you must set backend of kernel manually."
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)
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attr_backend_count = attr_backend_count + 1
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# preprocess kernel configures
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kernel_select_code = ""
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if kernel['backend'] is not None:
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if '>' in kernel['backend']:
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vars_list = kernel['backend'].split('>')
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assert len(vars_list) == 2, (
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f"{api} api: The number of params to set backend with '>' only allows 2, but received {len(vars_list)}."
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)
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assert (vars_list[0].strip() in attrs['names']) and (
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attrs['attr_info'][vars_list[0].strip()][0]
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== 'const Place&'
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), (
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f"{api} api: When use '>' to set kernel backend, the first param should be an attribute with Place type."
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)
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kernel_select_code = (
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kernel_select_code
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+ f"""
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kernel_backend = ParseBackendWithInputOrder({vars_list[0].strip()}, {vars_list[1].strip()});
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"""
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)
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else:
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args_str = ""
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for ele in kernel['backend'].split(','):
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args_str = args_str + ele.strip() + ', '
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kernel_select_code = (
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kernel_select_code
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+ f"""
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kernel_backend = ParseBackend({args_str[:-2]});
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"""
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)
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kernel_select_args = ""
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for input_name in input_names:
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kernel_select_args = kernel_select_args + input_name + ", "
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if len(kernel_select_args) > 2:
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kernel_select_args = kernel_select_args[:-2]
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kernel_select_code = kernel_key_item_init + kernel_select_code
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if len(input_names) > 0:
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kernel_select_code = (
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kernel_select_code
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+ f"""
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auto kernel_key_set = ParseKernelKeyByInputArgs({kernel_select_args});
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auto kernel_key = kernel_key_set.GetHighestPriorityKernelKey();
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kernel_backend = kernel_key.backend();"""
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)
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return kernel_select_code
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def gene_base_api_code(
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self, inplace_flag=False, grad_flag=False, append_predefined_out=False
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):
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api_func_name = self.get_api_func_name()
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return f"""
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PADDLE_API {self.get_return_type(inplace_flag)} {api_func_name}({self.get_define_args(inplace_flag, grad_flag=grad_flag, append_predefined_out=False)}) {{
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{self.gene_kernel_select()}
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{self.gen_string_tensor_kernel_code(inplace_flag)}
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}}
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"""
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def header_include():
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return """
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#include <tuple>
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#include "paddle/phi/api/include/tensor.h"
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#include "paddle/phi/common/scalar.h"
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#include "paddle/phi/common/int_array.h"
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#include "paddle/utils/optional.h"
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"""
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def source_include(header_file_path):
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return f"""
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#include "{header_file_path}"
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#include "glog/logging.h"
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#include "paddle/common/flags.h"
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#include "paddle/phi/api/lib/api_gen_utils.h"
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#include "paddle/phi/core/kernel_context.h"
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#include "paddle/phi/core/string_tensor.h"
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#include "paddle/phi/infermeta/strings/nullary.h"
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#include "paddle/phi/infermeta/strings/unary.h"
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#include "paddle/phi/api/lib/kernel_dispatch.h"
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#include "paddle/phi/core/kernel_registry.h"
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COMMON_DECLARE_int32(low_precision_op_list);
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COMMON_DECLARE_bool(benchmark);
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"""
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def api_namespace():
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return (
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"""
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namespace paddle {
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namespace experimental {
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namespace strings {
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""",
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"""
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} // namespace strings
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} // namespace experimental
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} // namespace paddle
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""",
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)
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def generate_api(api_yaml_path, header_file_path, source_file_path):
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with open(api_yaml_path, 'r') as f:
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apis = yaml.load(f, Loader=yaml.FullLoader)
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header_file = open(header_file_path, 'w')
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source_file = open(source_file_path, 'w')
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namespace = api_namespace()
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header_file.write("#pragma once\n")
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header_file.write(header_include())
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header_file.write(namespace[0])
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include_header_file = "paddle/phi/api/include/strings_api.h"
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source_file.write(source_include(include_header_file))
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source_file.write(namespace[0])
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for api in apis:
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strings_api = StringsAPI(api)
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header_file.write(strings_api.gene_api_declaration())
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source_file.write(strings_api.gene_api_code())
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header_file.write(namespace[1])
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source_file.write(namespace[1])
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header_file.close()
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source_file.close()
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def main():
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parser = argparse.ArgumentParser(
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description='Generate PaddlePaddle C++ Strings API files'
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)
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parser.add_argument(
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'--api_yaml_path',
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help='path to sparse api yaml file',
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default='paddle/phi/ops/yaml/strings_ops.yaml',
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)
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parser.add_argument(
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'--api_header_path',
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help='output of generated api header code file',
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default='paddle/phi/api/include/strings_api.h',
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)
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parser.add_argument(
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'--api_source_path',
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help='output of generated api source code file',
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default='paddle/phi/api/lib/strings_api.cc',
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)
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options = parser.parse_args()
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api_yaml_path = options.api_yaml_path
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header_file_path = options.api_header_path
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source_file_path = options.api_source_path
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generate_api(api_yaml_path, header_file_path, source_file_path)
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if __name__ == '__main__':
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main()
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