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paddlepaddle--paddle/python/paddle/base/trainer_desc.py
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2026-07-13 12:40:42 +08:00

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Python

# Copyright (c) 2019 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.
"""Definition of trainers."""
__all__ = []
class TrainerDesc:
'''
Set proto from python to c++.
Can be initialized from train_desc.
'''
def __init__(self):
'''
self.proto_desc = data_feed_pb2.DataFeedDesc()
with open(proto_file, 'r') as f:
text_format.Parse(f.read(), self.proto_desc)
'''
from .proto import trainer_desc_pb2
self.proto_desc = trainer_desc_pb2.TrainerDesc()
import multiprocessing as mp
# set default thread num == cpu count
self.proto_desc.thread_num = mp.cpu_count()
self._fleet_desc = None
self._device_worker = None
self._program = None
self._infer = False
def _set_fetch_var_and_info(self, fetch_vars, fetch_info, print_period):
# convert fetch_info to list
fetch_info = list(fetch_info)
for i, v in enumerate(fetch_vars):
self.proto_desc.fetch_config.fetch_var_names.extend([v.name])
self.proto_desc.fetch_config.fetch_var_str_format.extend(
[fetch_info[i]]
)
self.proto_desc.fetch_config.print_period = print_period
def _set_debug(self, debug):
self.proto_desc.debug = debug
def _set_thread(self, thread_num):
self.proto_desc.thread_num = thread_num
def _set_device_worker(self, device_worker):
self._device_worker = device_worker
def _set_infer(self, infer):
self._infer = infer
def _set_fleet_desc(self, fleet_desc):
self._fleet_desc = fleet_desc
# serialize fleet_desc
from google.protobuf import text_format
fleet_desc_str = text_format.MessageToString(fleet_desc)
self.proto_desc.fleet_desc = fleet_desc_str
def _gen_trainer_desc(self):
pass
def _set_program(self, program):
self._program = program
def _set_trainer_id(self, trainer_id):
self.proto_desc.trainer_id = trainer_id
def _set_trainers(self, trainers):
for trainer_num in trainers:
self.proto_desc.trainers.append(trainer_num)
def _set_use_cvm(self, use_cvm=False):
self.proto_desc.use_cvm = use_cvm
def _set_no_cvm(self, no_cvm=False):
self.proto_desc.no_cvm = no_cvm
def _set_scale_sparse_grad_with_batch_size(
self, scale_sparse_gradient_with_batch_size=True
):
self.proto_desc.scale_sparse_gradient_with_batch_size = (
scale_sparse_gradient_with_batch_size
)
def _set_scale_datanorm(self, scale_datanorm=-1):
self.proto_desc.scale_datanorm = scale_datanorm
def _set_dump_slot(self, dump_slot):
self.proto_desc.dump_slot = dump_slot
def _set_mpi_rank(self, mpi_rank):
self.proto_desc.mpi_rank = mpi_rank
def _set_mpi_size(self, mpi_size):
self.proto_desc.mpi_size = mpi_size
def _set_dump_fields(self, dump_fields):
for field in dump_fields:
self.proto_desc.dump_fields.append(field)
def _set_is_dump_in_simple_mode(self, is_dump_in_simple_mode):
self.proto_desc.is_dump_in_simple_mode = is_dump_in_simple_mode
def _set_dump_num_decimals(self, dump_num_decimals):
self.proto_desc.dump_num_decimals = dump_num_decimals
def _set_dump_fields_path(self, path):
self.proto_desc.dump_fields_path = path
def _set_dump_file_num(self, dump_file_num):
self.proto_desc.dump_file_num = dump_file_num
def _set_user_define_dump_filename(self, user_define_dump_filename):
self.proto_desc.user_define_dump_filename = user_define_dump_filename
def _set_dump_converter(self, converter):
self.proto_desc.dump_converter = converter
def _set_enable_random_dump(self, enable_random_dump):
self.proto_desc.enable_random_dump = enable_random_dump
def _set_dump_interval(self, dump_interval):
self.proto_desc.dump_interval = dump_interval
def _set_random_with_lineid(self, random_with_lineid):
self.proto_desc.random_with_lineid = random_with_lineid
def _set_dump_param(self, dump_param):
for param in dump_param:
self.proto_desc.dump_param.append(param)
def _set_dump_fields_mode(self, mode):
self.proto_desc.dump_fields_mode = mode
def _set_worker_places(self, worker_places):
for place in worker_places:
self.proto_desc.worker_places.append(place)
def _set_use_ps_gpu(self, use_ps_gpu=False):
self.proto_desc.use_ps_gpu = use_ps_gpu
def _set_use_gpu_graph(self, use_gpu_graph=False):
self.proto_desc.use_gpu_graph = use_gpu_graph
def _set_thread_barrier(self, thread_barrier):
self.proto_desc.thread_barrier = thread_barrier
def _set_check_nan_var_names(self, check_nan_var_names):
for var in check_nan_var_names:
self.proto_desc.check_nan_var_names.append(var)
def _set_loss_names(self, loss_names):
for loss in loss_names:
self.proto_desc.loss_names.append(loss)
def _set_adjust_ins_weight(self, config_dict):
self.proto_desc.adjust_ins_weight_config.need_adjust = config_dict.get(
"need_adjust", False
)
self.proto_desc.adjust_ins_weight_config.nid_slot = config_dict.get(
"nid_slot", ""
)
self.proto_desc.adjust_ins_weight_config.nid_adjw_threshold = (
config_dict.get("nid_adjw_threshold", 0.0)
)
self.proto_desc.adjust_ins_weight_config.nid_adjw_ratio = (
config_dict.get("nid_adjw_ratio", 0.0)
)
self.proto_desc.adjust_ins_weight_config.ins_weight_slot = (
config_dict.get("ins_weight_slot", "")
)
def _set_copy_table_config(self, config_dict):
config = self.proto_desc.copy_table_config
config.need_copy = config_dict.get("need_copy", False)
config.batch_num = config_dict.get("batch_num", 100)
src_sparse_tables = config_dict.get("src_sparse_tables", [])
if not isinstance(src_sparse_tables, list):
src_sparse_tables = [src_sparse_tables]
dest_sparse_tables = config_dict.get("dest_sparse_tables", [])
if not isinstance(dest_sparse_tables, list):
dest_sparse_tables = [dest_sparse_tables]
if len(src_sparse_tables) != len(dest_sparse_tables):
raise ValueError(
"len(src_sparse_tables) != len(dest_sparse_tables),"
f" {len(src_sparse_tables)} vs {len(dest_sparse_tables)}"
)
for i in src_sparse_tables:
config.src_sparse_tables.append(i)
for i in dest_sparse_tables:
config.dest_sparse_tables.append(i)
src_dense_tables = config_dict.get("src_dense_tables", [])
if not isinstance(src_dense_tables, list):
src_dense_tables = [src_dense_tables]
dest_dense_tables = config_dict.get("dest_dense_tables", [])
if not isinstance(dest_dense_tables, list):
dest_dense_tables = [dest_dense_tables]
if len(src_dense_tables) != len(dest_dense_tables):
raise ValueError(
"len(src_dense_tables) != len(dest_dense_tables),"
f" {len(src_dense_tables)} vs {len(dest_dense_tables)}"
)
for i in src_dense_tables:
config.src_dense_tables.append(i)
for i in dest_dense_tables:
config.dest_dense_tables.append(i)
# user can also specify dense variables to copy,
# instead of copy dense table
src_var_list = config_dict.get("src_var_list", [])
if not isinstance(src_var_list, list):
src_var_list = [src_var_list]
dest_var_list = config_dict.get("dest_var_list", [])
if not isinstance(dest_var_list, list):
dest_var_list = [dest_var_list]
if len(src_var_list) != len(dest_var_list):
raise ValueError(
f"len(src_var_list) != len(dest_var_list), {len(src_var_list)} vs"
f" {len(dest_var_list)}"
)
for i in src_var_list:
config.src_var_list.append(i)
for i in dest_var_list:
config.dest_var_list.append(i)
dependency_map = config_dict.get("dependency_map", {})
for key in dependency_map:
m = config.table_dependency_map.add()
m.key = key
values = dependency_map[key]
if not isinstance(values, list):
values = [values]
if len(values) != 1:
raise ValueError(f"dependency len {len(values)} != 1")
for value in values:
m.values.append(value)
config.dense_pull_after_copy = config_dict.get(
"dense_pull_after_copy", True
)
config.enable_dependency = config_dict.get("enable_dependency", False)
config.sparse_copy_by_feasign = config_dict.get(
"sparse_copy_by_feasign", True
)
def _desc(self):
return self.proto_desc.SerializeToString()
def __str__(self):
from google.protobuf import text_format
return text_format.MessageToString(self.proto_desc)
class MultiTrainer(TrainerDesc):
'''
Implement of MultiTrainer.
Can be init from TrainerDesc.
'''
def __init__(self):
super().__init__()
pass
def _set_program(self, program):
super()._set_program(program)
self._program = program
def _gen_trainer_desc(self):
super()._gen_trainer_desc()
self.proto_desc.class_name = "MultiTrainer"
self._device_worker._set_infer(self._infer)
self._device_worker._set_program(self._program)
self._device_worker._gen_worker_desc(self.proto_desc)