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

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Python
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# Copyright (c) 2018 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 argparse
import ast
import os
os.environ['FLAGS_enable_pir_api'] = '0'
import pickle
import random
import socket
import subprocess
import sys
import tempfile
import time
import unittest
from contextlib import closing
import numpy as np
import paddle
from paddle import base
from paddle.base import compiler
from paddle.distributed.fleet.meta_optimizers import (
RawProgramOptimizer as RawProgram,
)
from paddle.incubate.distributed.fleet import role_maker
from paddle.incubate.distributed.fleet.collective import (
DistributedStrategy,
fleet,
)
RUN_STEP = 5
DEFAULT_BATCH_SIZE = 2
DIST_UT_PORT = 0
def remove_glog_envs(envs):
if not envs:
return envs
glog_envs = ['GLOG_v', 'GLOG_logtostderr', 'GLOG_vmodule']
envs = dict(envs)
for env in glog_envs:
if env in envs:
del envs[env]
return envs
def get_dump_file(rank):
return f"./out_dump_{os.getpid()}_{rank}.pickled"
def modify_envs(envs, rank=0):
if not envs:
envs = {}
envs = remove_glog_envs(envs)
dump_file = get_dump_file(rank)
envs['DUMP_FILE'] = dump_file
if os.path.exists(dump_file):
os.remove(dump_file)
return envs
def dump_output(x):
path = os.environ['DUMP_FILE']
with open(path, 'wb') as f:
pickle.dump(x, f)
def load_and_remove_dump_file(rank=0):
path = get_dump_file(rank)
with open(path, 'rb') as f:
out = pickle.load(f)
os.remove(path)
return out
def print_to_err(class_name, log_str):
localtime = time.asctime(time.localtime(time.time()))
print_str = localtime + "\t" + class_name + "\t" + log_str
sys.stderr.buffer.write(pickle.dumps(print_str))
def eprint(*args, **kwargs):
print(*args, file=sys.stderr, **kwargs)
def _insert_comm_op(opt, loss, build_strategy=None):
opt = RawProgram(opt)
role = paddle.distributed.fleet.base.role_maker.PaddleCloudRoleMaker(
is_collective=True
)
strategy = paddle.distributed.fleet.DistributedStrategy()
if build_strategy is not None:
strategy.build_strategy = build_strategy
opt._set_basic_info(loss, role, opt, strategy)
# following code is a copy of RawProgramOptimizer.minimize except init_comm_group
opt.endpoints = opt.role_maker._get_trainer_endpoints()
opt.current_endpoint = opt.endpoints[opt.role_maker._worker_index()]
opt.rank = opt.role_maker._worker_index()
opt.nranks = opt.role_maker._worker_num()
startup_program = paddle.static.default_startup_program()
opt.startup_program = startup_program
block = loss.block
program = block.program
opt.main_program = program
optimize_ops, params_grads = opt.inner_opt.minimize(loss, startup_program)
opt.main_program = program
if opt.nranks > 1:
opt._transpile_main_program(loss)
class TestDistRunnerBase:
def get_model(
self,
batch_size=DEFAULT_BATCH_SIZE,
lr=0.1,
single_device=False,
use_dgc=False,
dist_strategy=None,
):
raise NotImplementedError(
"get_model should be implemented by child classes."
)
@staticmethod
def get_transpiler(
trainer_id,
main_program,
pserver_endpoints,
trainers,
sync_mode,
dc_asgd=False,
current_endpoint=None,
nccl_comm_num=1,
hogwild_mode=False,
):
# NOTE: import base until runtime, or else forking processes will cause error.
config = paddle.distributed.transpiler.DistributeTranspilerConfig()
config.enable_dc_asgd = dc_asgd
config.sync_mode = sync_mode
config.runtime_split_send_recv = hogwild_mode
if nccl_comm_num > 1:
config.nccl_comm_num = nccl_comm_num
# config.runtime_split_send_recv = True
t = paddle.distributed.transpiler.DistributeTranspiler(config=config)
t.transpile(
trainer_id=trainer_id,
program=main_program,
pservers=pserver_endpoints,
trainers=trainers,
sync_mode=sync_mode,
current_endpoint=current_endpoint,
)
return t
@staticmethod
def get_lr_scheduler(program):
lr_scheduler = None
if hasattr(program, 'lr_scheduler'):
from paddle.optimizer.lr import LRScheduler
lr_scheduler = program.lr_scheduler
assert isinstance(lr_scheduler, LRScheduler), "must be LRScheduler"
return lr_scheduler
def run_pserver(self, args):
self.lr = args.lr
self.get_model(batch_size=args.batch_size)
# NOTE: pserver should not call memory optimize
t = self.get_transpiler(
trainer_id=args.trainer_id,
main_program=base.default_main_program(),
pserver_endpoints=args.endpoints,
trainers=args.trainers,
sync_mode=args.sync_mode,
dc_asgd=args.dc_asgd,
hogwild_mode=args.hogwild,
)
pserver_prog = t.get_pserver_program(args.current_endpoint)
startup_prog = t.get_startup_program(
args.current_endpoint, pserver_prog
)
place = base.CPUPlace()
exe = base.Executor(place)
exe.run(startup_prog)
print_to_err(type(self).__name__, "run pserver startup program done.")
exe.run(pserver_prog)
print_to_err(type(self).__name__, "run pserver main program done.")
def run_pipeline_trainer(self, args):
self.lr = args.lr
dist_strategy = DistributedStrategy()
(
test_program,
avg_cost,
train_reader,
test_reader,
batch_acc,
predict,
data_loader,
) = self.get_model(
batch_size=args.batch_size, dist_strategy=dist_strategy
)
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
eprint(type(self).__name__, f"device_id: {device_id}.")
place = base.CUDAPlace(device_id)
exe = base.Executor(place)
exe.run(base.default_startup_program())
eprint(type(self).__name__, "run worker startup program done.")
data_loader.set_sample_list_generator(train_reader, place)
data_loader.start()
print_to_err(type(self).__name__, "begin to train on trainer")
out_losses = []
main_program = base.default_main_program()
lr_scheduler = self.get_lr_scheduler(main_program)
for i in range(RUN_STEP):
loss = exe.run(main_program, fetch_list=[avg_cost])
loss = loss[0] if loss else None
out_losses.append(loss)
print_to_err(type(self).__name__, f"run step {i} finished")
if lr_scheduler is not None:
lr_scheduler.step()
data_loader.reset()
print_to_err(type(self).__name__, "trainer run finished")
dump_output(out_losses)
def run_use_fleet_api_20_trainer(self, args):
"""
1. remove codes for DistributedStrategy and leave the DistributedStrategy part to get_model()
2. to run with fleet 2.0 api, set flags _use_fleet_api and _use_fleet_api_20 to True
3. for now, not support test for model save
"""
assert args.update_method == "nccl2" or "bkcl"
self.lr = args.lr
print_to_err("use_fleet 2.0", "fleet.node_num:")
(
test_program,
avg_cost,
train_reader,
test_reader,
batch_acc,
predict,
) = self.get_model(batch_size=args.batch_size)
if base.core.is_compiled_with_cuda():
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
place = base.CUDAPlace(device_id)
elif base.core.is_compiled_with_xpu():
device_id = int(os.getenv("FLAGS_selected_xpus", "0"))
place = base.XPUPlace(device_id)
else:
raise ValueError(
"fleet dygraph api must in paddlepaddle-xpu or paddlepaddle-gpu."
)
exe = base.Executor(place)
exe.run(base.default_startup_program())
eprint(type(self).__name__, "run worker startup program done.")
feed_var_list = [
var
for var in base.default_main_program().global_block().vars.values()
if var.is_data
]
eprint("feed_var_list:", feed_var_list)
if feed_var_list[0].name == 'label':
feed_var_list.reverse()
feeder = base.DataFeeder(feed_var_list, place)
reader_generator = train_reader()
def get_data():
origin_batch = next(reader_generator)
if (
paddle.distributed.get_world_size() == 1
and args.update_method == 'gloo'
): # Gloo single mode
return origin_batch
elif args.update_method != "local" and args.use_reader_alloc:
new_batch = []
for offset, item in enumerate(origin_batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return origin_batch
print_to_err(type(self).__name__, "begin to train on trainer")
out_losses = []
for i in range(RUN_STEP):
(loss,) = exe.run(
base.default_main_program(),
fetch_list=[avg_cost.name],
feed=feeder.feed(get_data()),
)
out_losses.append(float(loss))
print_to_err(type(self).__name__, f"run step {i} finished")
print_to_err(type(self).__name__, "trainer run finished")
print_to_err(type(self).__name__, f"dist losses: {out_losses}")
dump_output(out_losses)
def run_use_fleet_api_trainer(self, args):
assert args.update_method == "nccl2" or "bkcl"
backend = "bkcl" if args.update_method == "bkcl" else "nccl"
paddle.distributed.collective._init_parallel_env(backend)
self.lr = args.lr
dist_strategy = DistributedStrategy()
dist_strategy.fuse_memory_size = 1 # MB
dist_strategy.fuse_laryer_size = 1
if args.use_local_sgd:
dist_strategy.use_local_sgd = True
if args.ut4grad_allreduce:
dist_strategy._ut4grad_allreduce = True
if args.sync_batch_norm:
dist_strategy.sync_batch_norm = True
role = role_maker.PaddleCloudRoleMaker(is_collective=True)
fleet.init(role)
print_to_err("use_fleet", "fleet.node_num:")
# "fleet.node_id:", fleet.node_id(),
# "fleet.trainer_num:", fleet.worker_num())
(
test_program,
avg_cost,
train_reader,
test_reader,
batch_acc,
predict,
) = self.get_model(
batch_size=args.batch_size, dist_strategy=dist_strategy
)
trainer_prog = fleet._origin_program
dist_prog = fleet.main_program
if base.core.is_compiled_with_cuda():
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
place = base.CUDAPlace(device_id)
elif base.core.is_compiled_with_xpu():
device_id = int(os.getenv("FLAGS_selected_xpus", "0"))
place = base.XPUPlace(device_id)
else:
raise ValueError(
"fleet dygraph api must in paddlepaddle-xpu or paddlepaddle-gpu."
)
exe = base.Executor(place)
exe.run(base.default_startup_program())
eprint(type(self).__name__, "run worker startup program done.")
feed_var_list = [
var
for var in trainer_prog.global_block().vars.values()
if var.is_data
]
eprint("feed_var_list:", feed_var_list)
# tmp add this code to pass python35 gcc8 CI
# Fixme(gongweibao, wangxi), need fix fleet api program order
if feed_var_list[0].name == 'label':
feed_var_list.reverse()
feeder = base.DataFeeder(feed_var_list, place)
reader_generator = train_reader()
def get_data():
origin_batch = next(reader_generator)
if args.update_method != "local" and args.use_reader_alloc:
new_batch = []
for offset, item in enumerate(origin_batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return origin_batch
print_to_err(type(self).__name__, "begin to train on trainer")
out_losses = []
for i in range(RUN_STEP):
(loss,) = exe.run(
dist_prog,
fetch_list=[avg_cost.name],
feed=feeder.feed(get_data()),
)
out_losses.append(float(loss))
print_to_err(type(self).__name__, f"run step {i} finished")
print_to_err(type(self).__name__, "trainer run finished")
dump_output(out_losses)
if args.save_model:
model_save_dir = "/tmp"
if fleet.worker_index() == 0:
model_save_dir_base = os.path.join(
model_save_dir, "base_persistables"
)
model_save_dir_fleet = os.path.join(
model_save_dir, "fleet_persistables"
)
infer_save_dir_base = os.path.join(
model_save_dir, "base_infer/infer"
)
infer_save_dir_fleet = os.path.join(
model_save_dir, "fleet_infer/infer"
)
else:
model_save_dir_base = os.path.join(
model_save_dir, "base_persistables_2"
)
model_save_dir_fleet = os.path.join(
model_save_dir, "fleet_persistables_2"
)
infer_save_dir_base = os.path.join(
model_save_dir, "base_infer_2/infer_2"
)
infer_save_dir_fleet = os.path.join(
model_save_dir, "fleet_infer_2/infer_2"
)
paddle.distributed.io.save_persistables(
exe, model_save_dir_base, fleet._origin_program
)
fleet.save_persistables(executor=exe, dirname=model_save_dir_fleet)
paddle.static.io.save_inference_model(
path_prefix=infer_save_dir_base,
feed_vars=feed_var_list,
fetch_vars=[avg_cost],
executor=exe,
program=fleet._origin_program,
)
fleet.save_inference_model(
exe, infer_save_dir_fleet, feed_var_list, [avg_cost]
)
def run_trainer(self, args):
from io import StringIO
old_stdout = sys.stdout
sys.stdout = StringIO()
build_stra = base.BuildStrategy()
# FIXME force disable enable_inplace and memory_optimize
build_stra.enable_inplace = False
build_stra.memory_optimize = False
if args.fuse_all_reduce is not None:
sys.stderr.write(f'fuse_all_reduce={args.fuse_all_reduce}')
build_stra.fuse_all_reduce_ops = args.fuse_all_reduce
if args.hogwild:
build_stra.async_mode = True
if args.enable_backward_deps:
build_stra.enable_backward_optimizer_op_deps = True
if args.use_reduce:
build_stra.reduce_strategy = (
base.BuildStrategy.ReduceStrategy.Reduce
)
else:
build_stra.reduce_strategy = (
base.BuildStrategy.ReduceStrategy.AllReduce
)
pass_builder = None
if args.batch_merge_repeat > 1:
pass_builder = build_stra._finalize_strategy_and_create_passes()
mypass = pass_builder.insert_pass(0, "multi_batch_merge_pass")
mypass.set("num_repeats", args.batch_merge_repeat)
if (
args.update_method == "nccl2"
or args.update_method == "nccl2_reduce_layer"
):
build_stra.num_trainers = len(args.endpoints.split(","))
build_stra.trainer_id = args.trainer_id
else:
# case args.update_method == "nccl2_reduce_layer":
build_stra.num_trainers = 1
build_stra.trainer_id = 0
self.lr = args.lr
if args.nccl2_reduce_layer_local_run:
(
test_program,
avg_cost,
train_reader,
test_reader,
batch_acc,
predict,
) = self.get_model(batch_size=args.batch_size, single_device=True)
elif args.use_dgc:
(
test_program,
avg_cost,
train_reader,
test_reader,
batch_acc,
predict,
) = self.get_model(
batch_size=args.batch_size,
use_dgc=args.use_dgc,
build_strategy=build_stra,
)
else:
(
test_program,
avg_cost,
train_reader,
test_reader,
batch_acc,
predict,
) = self.get_model(batch_size=args.batch_size)
if args.update_method == "pserver":
print_to_err(
type(self).__name__,
"begin to run transpile on trainer with pserver mode",
)
t = self.get_transpiler(
trainer_id=args.trainer_id,
main_program=base.default_main_program(),
pserver_endpoints=args.endpoints,
trainers=args.trainers,
sync_mode=args.sync_mode,
dc_asgd=args.dc_asgd,
hogwild_mode=args.hogwild,
)
trainer_prog = t.get_trainer_program()
print_to_err(
type(self).__name__,
"get trainer program done with pserver mode.",
)
elif (
args.update_method == "nccl2"
or args.update_method == "nccl2_reduce_layer"
):
# transpile for nccl2
config = paddle.distributed.transpiler.DistributeTranspilerConfig()
config.mode = "nccl2"
config.nccl_comm_num = args.nccl_comm_num
if args.use_hallreduce:
config.use_hierarchical_allreduce = True
config.hierarchical_allreduce_inter_nranks = (
args.hallreduce_inter_nranks
)
print_to_err(
type(self).__name__,
"begin to run transpile on trainer with nccl2 mode",
)
nccl2_t = paddle.distributed.transpiler.DistributeTranspiler(
config=config
)
nccl2_t.transpile(
args.trainer_id,
program=base.default_main_program(),
startup_program=base.default_startup_program(),
trainers=args.endpoints,
current_endpoint=args.current_endpoint,
)
print_to_err(
type(self).__name__, "get trainer program done. with nccl2 mode"
)
trainer_prog = base.default_main_program()
else:
print_to_err(
type(self).__name__,
"do nothing about main program, just use it",
)
trainer_prog = base.default_main_program()
print_to_err(type(self).__name__, "use main program done.")
# FIXME(gongwb):wait pserver initialization.
time.sleep(1)
if args.use_cuda:
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
place = base.CUDAPlace(device_id)
else:
place = base.CPUPlace()
exe = base.Executor(place)
exe.run(base.default_startup_program())
print_to_err(type(self).__name__, "run worker startup program done.")
print_to_err(type(self).__name__, "begin to compile with data parallel")
binary = compiler.CompiledProgram(
trainer_prog, build_strategy=build_stra
)
print_to_err(type(self).__name__, "program compiled with data parallel")
feed_var_list = [
var
for var in trainer_prog.global_block().vars.values()
if var.is_data
]
feeder = base.DataFeeder(feed_var_list, place)
reader_generator = train_reader()
def get_data():
origin_batch = next(reader_generator)
if args.update_method != "local" and args.use_reader_alloc:
new_batch = []
for offset, item in enumerate(origin_batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return origin_batch
lr_scheduler = self.get_lr_scheduler(trainer_prog)
print_to_err(type(self).__name__, "begin to train on trainer")
out_losses = []
for i in range(RUN_STEP):
(loss,) = exe.run(
binary, fetch_list=[avg_cost.name], feed=feeder.feed(get_data())
)
out_losses.append(float(loss))
print_to_err(type(self).__name__, f"run step {i} finished")
if lr_scheduler is not None:
lr_scheduler.step()
print_to_err(type(self).__name__, "trainer run finished\n")
# print_to_err(type(self).__name__, "out_losses")
sys.stdout = old_stdout
dump_output(out_losses)
class TestParallelDyGraphRunnerBase:
def get_model(self):
raise NotImplementedError(
"get_model should be implemented by child classes."
)
def run_one_loop(self, model, opt, data):
raise NotImplementedError(
"train_one_loop should be implemented by the child classes."
)
def _get_data(self, batch, args):
if (
paddle.distributed.get_world_size() == 1
and args.update_method == 'gloo'
): # Gloo single mode
return batch
elif args.update_method != "local":
new_batch = []
# NOTE(@xiongkun03) args.diff_batch means batch length is different:
# such as : batch = [2,3,4,5], then the first rank will get [2] and
# the second rank will get [3,4,5].
# this function is for test sparse_embedding_differ_length
if hasattr(args, "diff_batch") and args.diff_batch:
assert len(batch) > 2, (
"in differ_batch mode, len(batch) must > 2."
)
if paddle.distributed.get_rank() == 0:
new_batch.append(batch[0])
elif paddle.distributed.get_rank() == 1:
new_batch.extend(list(batch[1:]))
else:
raise NotImplementedError(
"Current TestParallelDyGraphRunnerBase don't support world_size > 2"
)
return new_batch
else:
for offset, item in enumerate(batch):
if offset % 2 == args.trainer_id:
new_batch.append(item)
return new_batch
else:
return batch
def run_trainer(self, args):
seed = 90
if args.update_method == 'gloo':
place = base.CPUPlace()
elif base.core.is_compiled_with_cuda():
device_id = int(os.getenv("FLAGS_selected_gpus", "0"))
place = base.CUDAPlace(device_id)
elif base.core.is_compiled_with_xpu():
device_id = int(os.getenv("FLAGS_selected_xpus", "0"))
place = base.XPUPlace(device_id)
else:
assert "Only support CUDAPlace or XPUPlace or CPU(Gloo) for now."
with base.dygraph.guard(place):
paddle.seed(seed)
np.random.seed(seed)
import random
random.seed(seed)
model, train_reader, opt = self.get_model()
nranks = len(args.endpoints.split(",")) if args.endpoints else 1
# if args.update_method == "nccl2":
if args.update_method == "nccl2" or args.update_method == "bkcl":
strategy = paddle.distributed.parallel.ParallelStrategy()
strategy.nranks = nranks
strategy.local_rank = args.trainer_id
strategy.trainer_endpoints = args.endpoints.split(",")
strategy.current_endpoint = args.current_endpoint
paddle.distributed.init_parallel_env()
print_to_err(
type(self).__name__,
"begin to prepare context in dygraph with nccl2",
)
if not args.find_unused_parameters:
model = paddle.DataParallel(
model, strategy, find_unused_parameters=False
)
else:
model = paddle.DataParallel(
model, strategy, find_unused_parameters=True
)
print_to_err(type(self).__name__, "model built in dygraph")
elif args.update_method == "gloo":
paddle.distributed.init_parallel_env()
if not args.find_unused_parameters:
model = paddle.DataParallel(
model, find_unused_parameters=False
)
else:
model = paddle.DataParallel(
model, find_unused_parameters=True
)
out_losses = []
print_to_err(type(self).__name__, "begin to run dygraph training")
for step_id, data in enumerate(train_reader()):
data = self._get_data(data, args)
if step_id == RUN_STEP:
break
loss = self.run_one_loop(model, opt, data)
if step_id % 10 == 0:
print_to_err(
type(self).__name__,
f"loss at step {step_id}: {loss.numpy().item():f}",
)
out_losses.append(loss.numpy())
loss.backward()
opt.minimize(loss)
if not args.accumulate_gradient:
model.clear_gradients()
dump_output(out_losses)
def run_trainer_with_spawn(self, args):
# 1. enable dygraph
paddle.disable_static()
# 2. init seed
seed = 90
paddle.seed(seed)
np.random.seed(seed)
random.seed(seed)
# get trainer id
paddle.distributed.parallel._get_global_parallel_env()
args.trainer_id = int(os.getenv("PADDLE_TRAINER_ID", "0"))
# 3. init parallel env
if args.update_method in ["nccl2", "gloo"]:
paddle.distributed.init_parallel_env()
# 4. train model
model, train_reader, opt = self.get_model()
if args.update_method in ["nccl2", "gloo"]:
model = paddle.DataParallel(
model, find_unused_parameters=args.find_unused_parameters
)
out_losses = []
for step_id, data in enumerate(train_reader()):
data = self._get_data(data, args)
if step_id == RUN_STEP:
break
loss = self.run_one_loop(model, opt, data)
out_losses.append(loss.numpy())
loss.backward()
opt.minimize(loss)
model.clear_gradients()
return out_losses
def run_use_fleet_api_trainer(self, args):
from paddle.distributed import fleet
# 1. enable dygraph
paddle.disable_static()
# 2. init seed
seed = 90
paddle.seed(seed)
np.random.seed(seed)
random.seed(seed)
# get trainer id
paddle.distributed.parallel._get_global_parallel_env()
args.trainer_id = int(os.getenv("PADDLE_TRAINER_ID", "0"))
# set strategy
strategy = fleet.DistributedStrategy()
if args.find_unused_parameters:
strategy.find_unused_parameters = True
# 3. init parallel env
if args.update_method == "nccl2" or "bkcl":
fleet.init(is_collective=True, strategy=strategy)
# 4. train model
model, train_reader, opt = self.get_model()
if args.update_method == "nccl2" or "bkcl":
opt = fleet.distributed_optimizer(opt)
model = fleet.distributed_model(model)
out_losses = []
for step_id, data in enumerate(train_reader()):
data = self._get_data(data, args)
if step_id == RUN_STEP:
break
loss = self.run_one_loop(model, opt, data)
out_losses.append(loss.numpy())
loss.backward()
opt.step()
if not args.accumulate_gradient:
opt.clear_grad()
dump_output(out_losses)
def runtime_main(test_class):
parser = argparse.ArgumentParser(description='Run dist test.')
parser.add_argument(
'--role', type=str, required=True, choices=['pserver', 'trainer']
)
parser.add_argument('--endpoints', type=str, required=False, default="")
parser.add_argument(
'--update_method',
type=str,
default="local",
choices=[
"pserver",
"nccl2",
"bkcl",
"local",
"nccl2_reduce_layer",
"gloo",
],
)
parser.add_argument('--trainer_id', type=int, required=False, default=0)
parser.add_argument('--trainers', type=int, required=False, default=1)
parser.add_argument('--nccl_comm_num', type=int, required=False, default=1)
parser.add_argument('--enable_backward_deps', action='store_true')
parser.add_argument('--use_hallreduce', action='store_true')
parser.add_argument('--use_pipeline', action='store_true')
parser.add_argument('--use_fleet_api', action='store_true')
parser.add_argument('--use_fleet_api_20', action='store_true')
parser.add_argument('--use_local_sgd', action='store_true')
parser.add_argument('--diff_batch', action='store_true')
parser.add_argument('--ut4grad_allreduce', action='store_true')
parser.add_argument(
'--hallreduce_inter_nranks', type=int, required=False, default=2
)
parser.add_argument(
'--current_endpoint', type=str, required=False, default=""
)
parser.add_argument('--sync_mode', action='store_true')
parser.add_argument('--use_cuda', action='store_true')
parser.add_argument('--use_cpu', action='store_true')
parser.add_argument('--use_xpu', action='store_true')
parser.add_argument('--use_dgc', action='store_true')
parser.add_argument('--accumulate_gradient', action='store_true')
parser.add_argument('--find_unused_parameters', action='store_true')
parser.add_argument('--use_reduce', action='store_true')
parser.add_argument('--dc_asgd', action='store_true')
parser.add_argument('--hogwild', action='store_true')
parser.add_argument('--save_model', action='store_true')
parser.add_argument(
'--use_reader_alloc', action='store_true', required=False
)
parser.add_argument('--batch_size', required=False, type=int, default=2)
parser.add_argument('--lr', required=False, type=float, default=0.001)
parser.add_argument(
'--batch_merge_repeat', required=False, type=int, default=1
)
parser.add_argument(
'--nccl2_reduce_layer_local_run',
required=False,
type=bool,
default=False,
)
parser.add_argument('--sync_batch_norm', action='store_true')
parser.add_argument(
'--fuse_all_reduce', required=False, type=ast.literal_eval, default=None
)
args = parser.parse_args()
if args.update_method == 'gloo':
paddle.set_device("cpu")
model = test_class()
if args.role == "pserver" and args.update_method == "pserver":
model.run_pserver(args)
elif args.use_fleet_api:
model.run_use_fleet_api_trainer(args)
elif args.use_fleet_api_20:
model.run_use_fleet_api_20_trainer(args)
elif args.use_pipeline:
model.run_pipeline_trainer(args)
else:
model.run_trainer(args)
class TestDistBase(unittest.TestCase):
def _setup_config(self):
raise NotImplementedError("tests should have _setup_config implemented")
def _after_setup_config(self):
if self._enforce_place == "CPU":
self.__use_cuda = False
self.__use_xpu = False
self._use_dgc = False
elif self._enforce_place == "GPU":
self.__use_cuda = True
self.__use_xpu = False
elif self._enforce_place == "XPU":
self.__use_cuda = False
self.__use_xpu = True
self._use_dgc = False
else:
if base.core.is_compiled_with_cuda():
self.__use_cuda = True
else:
self.__use_cuda = False
self._use_dgc = False
if self._use_reduce:
assert not self._use_dgc
def setUp(self):
self._trainers = 2
self._pservers = 2
self._port_set = set()
self._python_interp = sys.executable
self._sync_mode = True
self._hogwild_mode = False
self._enforce_place = None
self._use_reduce = False
self._dc_asgd = False # must use with async mode
self._use_reader_alloc = True
self._nccl2_mode = False
self._bkcl_mode = False
self._gloo_mode = False # now, support gloo backend
self._pipeline_mode = False
self._mp_mode = False
self._diff_batch = False
# FIXME(typhoonzero): I added this stupid argument to enable
# testing allreduce layers, which users can call layers.allreduce
# to accumulate tensors at anywhere. Find a better way to do this
# test, reduce check this argument everywhere.
self._nccl2_reduce_layer = False
self._lr = 0.001
self._use_dgc = False
self._dygraph = False
self._nccl_comm_num = 1
self._enable_backward_deps = False
self._use_fleet_api = False
self._use_fleet_api_20 = False
self._use_local_sgd = False
self._ut4grad_allreduce = False
self._use_hallreduce = False
self._save_model = False
self._fuse_all_reduce = None
self._accumulate_gradient = False
self._find_unused_parameters = False
self._setup_config()
global DIST_UT_PORT
if DIST_UT_PORT == 0 and os.getenv("PADDLE_DIST_UT_PORT"):
DIST_UT_PORT = int(os.getenv("PADDLE_DIST_UT_PORT"))
if DIST_UT_PORT == 0:
self._ps_endpoints = f"127.0.0.1:{self._find_free_port()},127.0.0.1:{self._find_free_port()}"
else:
self._ps_endpoints = (
f"127.0.0.1:{DIST_UT_PORT},127.0.0.1:{DIST_UT_PORT + 1}"
)
DIST_UT_PORT += 2
self._dist_port = DIST_UT_PORT
self._after_setup_config()
self.temp_dir = tempfile.TemporaryDirectory()
def tearDown(self):
self.temp_dir.cleanup()
def _find_free_port(self):
def __free_port():
with closing(
socket.socket(socket.AF_INET, socket.SOCK_STREAM)
) as s:
s.bind(('', 0))
print_to_err(
type(self).__name__, f"socket name: {s.getsockname()[1]}"
)
return s.getsockname()[1]
while True:
port = __free_port()
if port not in self._port_set:
self._port_set.add(port)
return port
def start_pserver(
self, model_file, check_error_log, required_envs, log_name=""
):
ps0_ep, ps1_ep = self._ps_endpoints.split(",")
ps_cmd = "%s"
if os.getenv('WITH_COVERAGE', 'OFF') == 'ON':
required_envs['COVERAGE_FILE'] = os.getenv('COVERAGE_FILE', '')
ps_cmd += " -m coverage run --branch -p"
ps_cmd += " %s --role pserver --endpoints %s --trainer_id 0 --current_endpoint %s --trainers %d --update_method pserver"
ps0_cmd = ps_cmd % (
self._python_interp,
model_file,
self._ps_endpoints,
ps0_ep,
self._trainers,
)
ps1_cmd = ps_cmd % (
self._python_interp,
model_file,
self._ps_endpoints,
ps1_ep,
self._trainers,
)
if self._sync_mode:
ps0_cmd += " --sync_mode"
ps1_cmd += " --sync_mode"
path0 = os.path.join(self.temp_dir.name, log_name + "_ps0_err.log")
path1 = os.path.join(self.temp_dir.name, log_name + "_ps1_err.log")
ps0_pipe = open(path0, "wb")
ps1_pipe = open(path1, "wb")
ps0_proc = subprocess.Popen(
ps0_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=ps0_pipe,
env=modify_envs(required_envs),
)
ps1_proc = subprocess.Popen(
ps1_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=ps1_pipe,
env=modify_envs(required_envs),
)
return ps0_proc, ps1_proc, ps0_pipe, ps1_pipe
def _run_local(
self,
model,
envs,
check_error_log=False,
batch_size=DEFAULT_BATCH_SIZE,
batch_merge_repeat=1,
log_name="",
devices="1",
):
cmd = self._python_interp
envs['PADDLE_TRAINER_ENDPOINTS'] = self._ps_endpoints
if os.getenv('WITH_COVERAGE', 'OFF') == 'ON':
envs['COVERAGE_FILE'] = os.getenv('COVERAGE_FILE', '')
cmd += " -m coverage run --branch -p"
cmd += (
f" {model} --role trainer --update_method local --lr {self._lr:f}"
)
if batch_size != DEFAULT_BATCH_SIZE:
cmd += f" --batch_size {batch_size}"
if batch_merge_repeat > 1:
cmd += f" --batch_merge_repeat {batch_merge_repeat}"
if self._nccl2_reduce_layer:
cmd += " --nccl2_reduce_layer_local_run 1"
if self.__use_cuda:
cmd += " --use_cuda"
env_local = {
"CUDA_VISIBLE_DEVICES": devices,
"PADDLE_TRAINERS_NUM": "1",
"PADDLE_TRAINER_ID": "0",
}
elif self.__use_xpu:
cmd += " --use_xpu"
env_local = {
"FLAGS_selected_xpus": devices,
"PADDLE_TRAINERS_NUM": "1",
"PADDLE_TRAINER_ID": "0",
}
else:
env_local = {'CPU_NUM': '1'}
# not use dgc in single card
if len(devices) > 1 and self._use_dgc:
cmd += " --use_dgc"
if self._accumulate_gradient:
cmd += " --accumulate_gradient"
if self._find_unused_parameters:
cmd += " --find_unused_parameters"
env_local.update(envs)
# print(f"local_cmd: {cmd}, env: {env_local}")
if check_error_log:
path = os.path.join(self.temp_dir.name, log_name + "_local.log")
err_log = open(path, "wb")
local_proc = subprocess.Popen(
cmd.split(" "),
stdout=subprocess.PIPE,
stderr=err_log,
env=modify_envs(env_local),
)
else:
local_proc = subprocess.Popen(
cmd.split(" "),
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
env=modify_envs(env_local),
)
local_out, local_err = local_proc.communicate()
if check_error_log:
err_log.close()
# sys.stderr.write('local_stderr: %s\n' % local_err)
return load_and_remove_dump_file()
def _run_local_gloo(
self,
model,
envs,
check_error_log=False,
batch_size=DEFAULT_BATCH_SIZE,
batch_merge_repeat=1,
log_name="",
devices="0",
):
saved_endpoints = self._ps_endpoints
self._ps_endpoints = self._ps_endpoints.split(',')[0]
result = self._run_cluster_gloo(model, envs, 'gloo', False, log_name)
self._ps_endpoints = saved_endpoints
return result
def _run_cluster(self, model, envs, check_error_log, log_name):
# Run dist train to compare with local results
ps0, ps1, ps0_pipe, ps1_pipe = self.start_pserver(
model, check_error_log, envs, log_name=log_name
)
ps0_ep, ps1_ep = self._ps_endpoints.split(",")
tr_cmd = "%s"
if os.getenv('WITH_COVERAGE', 'OFF') == 'ON':
envs['COVERAGE_FILE'] = os.getenv('COVERAGE_FILE', '')
tr_cmd += " -m coverage run --branch -p"
tr_cmd += " %s --role trainer --endpoints %s --trainer_id %d --current_endpoint %s --trainers %d --update_method pserver --lr %f"
tr0_cmd = tr_cmd % (
self._python_interp,
model,
self._ps_endpoints,
0,
ps0_ep,
self._trainers,
self._lr,
)
tr1_cmd = tr_cmd % (
self._python_interp,
model,
self._ps_endpoints,
1,
ps1_ep,
self._trainers,
self._lr,
)
if self._sync_mode:
tr0_cmd += " --sync_mode"
tr1_cmd += " --sync_mode"
if self._hogwild_mode:
tr0_cmd += " --hogwild"
tr1_cmd += " --hogwild"
if self._use_reduce:
tr0_cmd += " --use_reduce"
tr1_cmd += " --use_reduce"
if self._use_reader_alloc:
tr0_cmd += " --use_reader_alloc"
tr1_cmd += " --use_reader_alloc"
if self.__use_cuda:
tr0_cmd += " --use_cuda"
tr1_cmd += " --use_cuda"
env0 = {"CUDA_VISIBLE_DEVICES": "0"}
env1 = {"CUDA_VISIBLE_DEVICES": "1"}
else:
env0 = {'CPU_NUM': '1'}
env1 = {'CPU_NUM': '1'}
env0.update(envs)
env1.update(envs)
# print(f"tr0_cmd: {tr0_cmd}, env: {env0}")
# print(f"tr1_cmd: {tr1_cmd}, env: {env1}")
path0 = os.path.join(self.temp_dir.name, log_name + "_tr0_err.log")
path1 = os.path.join(self.temp_dir.name, log_name + "_tr1_err.log")
tr0_pipe = open(path0, "wb")
tr1_pipe = open(path1, "wb")
print_to_err(type(self).__name__, "going to start trainer process 0")
tr0_proc = subprocess.Popen(
tr0_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=tr0_pipe,
env=modify_envs(env0, 0),
)
print_to_err(type(self).__name__, "going to start trainer process 1")
tr1_proc = subprocess.Popen(
tr1_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=tr1_pipe,
env=modify_envs(env1, 1),
)
# Wait until trainer process terminate
while True:
stat0 = tr0_proc.poll()
time.sleep(0.1)
if stat0 is not None:
break
while True:
stat1 = tr1_proc.poll()
time.sleep(0.1)
if stat1 is not None:
break
tr0_out, tr0_err = tr0_proc.communicate()
tr1_out, tr1_err = tr1_proc.communicate()
# close trainer file
tr0_pipe.close()
tr1_pipe.close()
ps0_pipe.close()
ps1_pipe.close()
ps0.terminate()
ps1.terminate()
return load_and_remove_dump_file(0), load_and_remove_dump_file(1)
def _get_gloo_trainer_cmd(
self, model, ep, update_method, trainer_id, trainer_num
):
env = {}
tr_cmd = "%s -u"
if os.getenv('WITH_COVERAGE', 'OFF') == 'ON':
tr_cmd += " -m coverage run --branch -p"
tr_cmd += " %s --role trainer --endpoints %s --trainer_id %d --current_endpoint %s --update_method %s --lr %f"
tr_cmd = tr_cmd % (
self._python_interp,
model,
self._ps_endpoints,
trainer_id,
ep,
update_method,
self._lr,
)
if self._use_reduce:
tr_cmd += " --use_reduce"
if self._use_reader_alloc:
tr_cmd += " --use_reader_alloc"
# assert self._use_reduce == False, "gloo not support _use_reduce"
# assert self._use_reader_alloc == False, "gloo not support _use_reduce"
if self._save_model:
tr_cmd += " --save_model"
if self._diff_batch:
tr_cmd += " --diff_batch"
self.__use_cuda = False
self.__use_xpu = False
assert not self.__use_cuda, "gloo not support use cuda"
assert not self.__use_xpu, "gloo not support use xpu"
tr_cmd += " --use_cpu"
env.update(
{
"PADDLE_TRAINERS_NUM": f"{trainer_num}",
"PADDLE_TRAINER_ID": f"{trainer_id}",
"PADDLE_TRAINER_ENDPOINTS": self._ps_endpoints,
"PADDLE_CURRENT_ENDPOINT": ep,
"PADDLE_DISTRI_BACKEND": "gloo",
"GLOG_v": "2",
}
)
assert not self._use_dgc, "gloo not support use dgc"
if self._accumulate_gradient:
tr_cmd += " --accumulate_gradient"
if self._find_unused_parameters:
tr_cmd += " --find_unused_parameters"
assert not self._pipeline_mode, "gloo not support use pipeline"
if self._enable_backward_deps: # build strategy, save it
tr_cmd += " --enable_backward_deps"
if self._fuse_all_reduce is not None:
tr_cmd += f" --fuse_all_reduce {self._fuse_all_reduce}"
assert not self._use_fleet_api, "gloo not support use fleet api"
assert not self._use_fleet_api_20, "gloo not support use fleet api"
return tr_cmd, env
def _get_nccl2_trainer_cmd(
self, model, ep, update_method, trainer_id, trainer_num
):
env = {}
tr_cmd = "%s -u"
if os.getenv('WITH_COVERAGE', 'OFF') == 'ON':
tr_cmd += " -m coverage run --branch -p"
tr_cmd += " %s --role trainer --endpoints %s --trainer_id %d --current_endpoint %s --update_method %s --lr %f"
tr_cmd = tr_cmd % (
self._python_interp,
model,
self._ps_endpoints,
trainer_id,
ep,
update_method,
self._lr,
)
if self._use_reduce:
tr_cmd += " --use_reduce"
if self._use_reader_alloc:
tr_cmd += " --use_reader_alloc"
if self._save_model:
tr_cmd += " --save_model"
if self.__use_cuda:
tr_cmd += " --use_cuda"
env.update(
{
"FLAGS_selected_gpus": f"{0}",
"CUDA_VISIBLE_DEVICES": f"{trainer_id}",
"PADDLE_TRAINERS_NUM": f"{trainer_num}",
"PADDLE_TRAINER_ID": f"{trainer_id}",
"PADDLE_TRAINER_ENDPOINTS": self._ps_endpoints,
"PADDLE_CURRENT_ENDPOINT": ep,
}
)
# TODO(liuyuhui):XPU_VISIBLE_DEVICES is not working right now,
# will update it after Badiu Kunlun partners' support.
elif self.__use_xpu:
tr_cmd += " --use_xpu"
env.update(
{
"FLAGS_selected_xpus": f"{trainer_id}",
# "XPU_VISIBLE_DEVICES": "{}".format(trainer_id + 1),
"PADDLE_TRAINERS_NUM": f"{trainer_num}",
"PADDLE_TRAINER_ID": f"{trainer_id}",
"PADDLE_TRAINER_ENDPOINTS": self._ps_endpoints,
"PADDLE_CURRENT_ENDPOINT": ep,
"GLOG_v": "2",
}
)
else:
env.update({'CPU_NUM': '1'})
if self._use_dgc:
tr_cmd += " --use_dgc"
if self._accumulate_gradient:
tr_cmd += " --accumulate_gradient"
if self._find_unused_parameters:
tr_cmd += " --find_unused_parameters"
if self._pipeline_mode:
tr_cmd += " --use_pipeline"
if self._mp_mode:
env = {"FLAGS_selected_gpus": f"{trainer_id}"}
if self._nccl_comm_num > 1:
tr_cmd += f" --nccl_comm_num {self._nccl_comm_num}"
if self._use_hallreduce:
tr_cmd += " --use_hallreduce --hallreduce_inter_nranks 2"
if self._enable_backward_deps:
tr_cmd += " --enable_backward_deps"
if self._fuse_all_reduce is not None:
tr_cmd += f" --fuse_all_reduce {self._fuse_all_reduce}"
if self._use_fleet_api:
tr_cmd += (
" --use_fleet_api_20"
if self._use_fleet_api_20
else " --use_fleet_api"
)
if self._use_local_sgd:
tr_cmd += " --use_local_sgd"
if self._ut4grad_allreduce:
tr_cmd += " --ut4grad_allreduce"
if hasattr(self, '_sync_batch_norm') and self._sync_batch_norm:
tr_cmd += " --sync_batch_norm"
if os.getenv('WITH_COVERAGE', 'OFF') == 'ON':
env['COVERAGE_FILE'] = os.getenv('COVERAGE_FILE', '')
return tr_cmd, env
def _run_cluster_gloo(
self, model, envs, update_method, check_error_log, log_name
):
assert update_method == "gloo", (
f"_run_cluster_gloo must have update_method: gloo, but get {update_method}"
)
assert not self._use_hallreduce, (
"_run_cluster_gloo must have _use_hallreduce = false"
)
worker_endpoints = self._ps_endpoints.split(",")
trainer_num = len(worker_endpoints)
procs = []
pipes = []
for i in range(0, trainer_num):
tr_cmd, tr_env = self._get_gloo_trainer_cmd(
model, worker_endpoints[i], update_method, i, trainer_num
)
tr_env.update(envs)
tr_env["GLOG_vmodule"] = 'gloo_context=4'
tr_env["GLOG_v"] = '3'
# print(
# f"use_hallreduce:{self._use_hallreduce} tr_cmd:{tr_cmd}, env: {tr_env}"
# )
path = os.path.join(
self.temp_dir.name, log_name + f"_tr{i}_err.log"
)
tr_pipe = open(path, "wb")
print_to_err(
type(self).__name__,
f"going to start process {i} with nccl2",
)
tr_proc = subprocess.Popen(
tr_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=tr_pipe,
env=modify_envs(tr_env, i),
)
procs.append(tr_proc)
pipes.append(tr_pipe)
outs = []
for i in range(0, trainer_num):
tr_out, tr_err = procs[i].communicate()
outs.append(tr_out)
pipes[i].close()
sys.stderr.write(f'trainer {i} stderr: {tr_err}\n')
if trainer_num == 1:
if check_error_log:
print("outs[0]:", outs[0])
return load_and_remove_dump_file(0)
else:
if check_error_log:
print("outs[0]:", outs[0])
print("outs[1]:", outs[1])
return load_and_remove_dump_file(0), load_and_remove_dump_file(1)
def _run_cluster_nccl2(
self, model, envs, update_method, check_error_log, log_name
):
if self._use_hallreduce:
self._ps_endpoints = ""
global DIST_UT_PORT
if DIST_UT_PORT == 0:
# NOTE(wangxi). hallreduce test must use 4cards after nccl>=2.7
for i in range(0, 4):
self._ps_endpoints += f"127.0.0.1:{self._find_free_port()},"
else:
for i in range(0, 4):
self._ps_endpoints += "127.0.0.1:%s," % (DIST_UT_PORT + i)
DIST_UT_PORT += 4
self._ps_endpoints = self._ps_endpoints[:-1]
# NOTE: we reuse ps_endpoints as nccl2 worker endpoints
worker_endpoints = self._ps_endpoints.split(",")
trainer_num = len(worker_endpoints)
procs = []
pipes = []
for i in range(0, trainer_num):
tr_cmd, tr_env = self._get_nccl2_trainer_cmd(
model, worker_endpoints[i], update_method, i, trainer_num
)
tr_env.update(envs)
print(
f"use_hallreduce:{self._use_hallreduce} tr_cmd:{tr_cmd}, env: {tr_env}"
)
path = os.path.join(
self.temp_dir.name, log_name + f"_tr{i}_err.log"
)
tr_pipe = open(path, "wb")
print_to_err(
type(self).__name__,
f"going to start process {i} with nccl2",
)
tr_proc = subprocess.Popen(
tr_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=tr_pipe,
env=modify_envs(tr_env, i),
)
procs.append(tr_proc)
pipes.append(tr_pipe)
outs = []
for i in range(0, trainer_num):
tr_out, tr_err = procs[i].communicate()
outs.append(tr_out)
pipes[i].close()
sys.stderr.write(f'trainer {i} stderr: {tr_err}\n')
if check_error_log:
print("outs[0]:", outs[0])
print("outs[1]:", outs[1])
return load_and_remove_dump_file(0), load_and_remove_dump_file(1)
def _run_pipeline(self, model, envs, check_error_log, log_name):
# NOTE: we reuse ps_endpoints as nccl2 worker endpoints
worker_endpoints = self._ps_endpoints.split(",")
update_method = "nccl2"
trainer_num = len(worker_endpoints)
procs = []
pipes = []
for i in range(0, trainer_num):
tr_cmd, tr_env = self._get_nccl2_trainer_cmd(
model, worker_endpoints[i], update_method, i, trainer_num
)
tr_env.update(envs)
tr_env['CUDA_VISIBLE_DEVICES'] = "0,1"
tr_env['NCCL_SHM_DISABLE'] = '1'
tr_env['FLAGS_selected_gpus'] = str(i)
tr_env['FLAGS_cudnn_deterministic'] = '0'
print(f"tr_cmd:{tr_cmd}, env: {tr_env}")
path = os.path.join(self.temp_dir.name + f"tr{i}_err.log")
tr_pipe = open(path, "wb")
print_to_err(
type(self).__name__,
f"going to start process {i} with nccl2",
)
tr_proc = subprocess.Popen(
tr_cmd.strip().split(" "),
stdout=subprocess.PIPE,
stderr=tr_pipe,
env=modify_envs(tr_env, i),
)
procs.append(tr_proc)
pipes.append(tr_pipe)
outs = []
for i in range(0, trainer_num):
tr_out, tr_err = procs[i].communicate()
outs.append(tr_out)
pipes[i].close()
sys.stderr.write(f'trainer {i} stderr: {tr_err}\n')
if check_error_log:
print("outs[0]:", outs[0])
print("outs[1]:", outs[1])
return load_and_remove_dump_file(0), load_and_remove_dump_file(1)
def _get_required_envs(self, check_error_log=False, need_envs={}):
# TODO(typhoonzero): should auto adapt GPU count on the machine.
required_envs = {
"PATH": os.getenv("PATH", ""),
"PYTHONPATH": os.getenv("PYTHONPATH", ""),
"LD_LIBRARY_PATH": os.getenv("LD_LIBRARY_PATH", ""),
"FLAGS_fraction_of_gpu_memory_to_use": "0.15",
"FLAGS_rpc_deadline": "30000", # 5sec to fail fast
"FLAGS_rpc_retry_bind_port": "50",
"FLAGS_cudnn_deterministic": "1",
"FLAGS_rpc_disable_reuse_port": "1",
"http_proxy": "",
"NCCL_P2P_DISABLE": "1",
"NCCL_SHM_DISABLE": "1",
"FLAGS_new_executor_static_build": "1",
}
if check_error_log:
required_envs["GLOG_vmodule"] = (
"alloc_continuous_space_op=10,"
"alloc_continuous_space_for_grad_pass=10,fast_threaded_ssa_graph_executor=10,executor=10,operator=10,"
"gen_nccl_id_op=10,gen_nccl_id_op_help=10,nccl_helper=10,grpc_client=10,"
"grpc_server=10,request_handler_impl=10,section_worker=10"
)
required_envs["GLOG_logtostderr"] = "1"
if os.getenv('NVIDIA_TF32_OVERRIDE', '') is not None:
required_envs['NVIDIA_TF32_OVERRIDE'] = os.getenv(
'NVIDIA_TF32_OVERRIDE', ''
)
required_envs.update(need_envs)
return required_envs
def check_with_place(
self,
model_file,
delta=1e-3,
check_error_log=False,
need_envs={},
log_name="",
):
self.check_with_place_func(
model_file=model_file,
delta=delta,
check_error_log=check_error_log,
need_envs=need_envs,
log_name=log_name,
)
def check_with_place_func(
self,
model_file,
delta=1e-3,
check_error_log=False,
need_envs={},
log_name="",
):
required_envs = self._get_required_envs(check_error_log, need_envs)
if self._gloo_mode:
local_losses = self._run_local_gloo(
model_file, required_envs, check_error_log, log_name=log_name
)
else:
local_losses = self._run_local(
model_file, required_envs, check_error_log, log_name=log_name
)
if self._nccl2_mode:
if self._nccl2_reduce_layer:
tr0_losses, tr1_losses = self._run_cluster_nccl2(
model_file,
required_envs,
update_method="nccl2_reduce_layer",
check_error_log=check_error_log,
log_name=log_name,
)
else:
tr0_losses, tr1_losses = self._run_cluster_nccl2(
model_file,
required_envs,
update_method='nccl2',
check_error_log=check_error_log,
log_name=log_name,
)
elif self._bkcl_mode:
tr0_losses, tr1_losses = self._run_cluster_nccl2(
model_file,
required_envs,
update_method='bkcl',
check_error_log=check_error_log,
log_name=log_name,
)
elif self._gloo_mode:
# gloo mode, cpu only parallel train @xiongkun03
tr0_losses, tr1_losses = self._run_cluster_gloo(
model_file,
required_envs,
update_method='gloo',
check_error_log=check_error_log,
log_name=log_name,
)
elif self._pipeline_mode:
tr0_losses, tr1_losses = self._run_pipeline(
model_file, required_envs, check_error_log, log_name=log_name
)
else:
tr0_losses, tr1_losses = self._run_cluster(
model_file, required_envs, check_error_log, log_name=log_name
)
for step_id in range(RUN_STEP):
local_loss = local_losses[step_id]
tr0_loss = tr0_losses[step_id]
tr1_loss = tr1_losses[step_id]
if self._pipeline_mode:
dist_loss = np.array([tr1_loss])
else:
dist_loss = (np.array([tr0_loss]) + np.array([tr1_loss])) / 2
print("=======", local_loss, ":", dist_loss[0], "=======")
self.assertAlmostEqual(local_loss, dist_loss[0], delta=delta)
def check_with_place_multi_cards(
self,
model_file,
delta=1e-3,
check_error_log=False,
need_envs={},
log_name="",
):
# need open p2p or shm otherwise multi cards mode will hang
need_envs.update({"NCCL_P2P_DISABLE": "0", "NCCL_SHM_DISABLE": "0"})
required_envs = self._get_required_envs(check_error_log, need_envs)
if self._use_dgc:
multi_cards_losses = self._run_local(
model_file,
required_envs,
check_error_log,
log_name=log_name + "_dgc_2cards",
devices="0,1",
)
self._use_dgc = False
base_losses = self._run_local(
model_file,
required_envs,
check_error_log,
log_name=log_name + "_base_2cards",
devices="0,1",
)
self._use_dgc = True
for step_id in range(RUN_STEP):
base_loss = base_losses[step_id]
multi_cards_loss = multi_cards_losses[step_id]
print("=======", base_loss, ":", multi_cards_loss, "=======")
self.assertAlmostEqual(base_loss, multi_cards_loss, delta=delta)