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# Copyright 2021 Huawei Technologies Co., Ltd
#
# 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.
# ============================================================================
"""
PanguAlpha train script
"""
import datetime
import math
import os
import time
import mindspore.common.dtype as mstype
import mindspore.communication.management as D
import mindspore.nn as nn
import moxing as mox
from mindspore import context
from mindspore.context import ParallelMode
from mindspore.nn.wrap.cell_wrapper import _VirtualDatasetCell, MicroBatchInterleaved
from mindspore.nn.wrap.loss_scale import DynamicLossScaleUpdateCell
from mindspore.parallel import set_algo_parameters
from mindspore.parallel._cost_model_context import _set_multi_subgraphs
from mindspore.parallel.nn import TransformerOpParallelConfig, CrossEntropyLoss
from mindspore.profiler import Profiler
from mindspore.train.callback import ModelCheckpoint, CheckpointConfig
from mindspore.train.callback import TimeMonitor
from mindspore.train.model import Model
from mindspore.train.serialization import load_distributed_checkpoint, load_checkpoint, load_param_into_net
from tensorboardX import SummaryWriter
from src.adam import AdamWeightDecayOp
from src.callbacks import EvalCallBack, LossCallBack, SaveCheckpointCallback
from src.dataset_finetune import create_dataset
from src.metrics import PPLMetric, ValidationLoss
from src.pangu_alpha import PanguAlphaModel, PanGUAlphaWithFinetuneLoss
from src.pangu_alpha_config import set_parse, PanguAlphaConfig
from src.pangu_alpha_wrapcell_finetune import PanguAlphaTrainOneStepWithLossScaleCell
from src.utils import LearningRate, get_args, FP32StateAdamWeightDecay
from src.utils import download_data
project_root = os.path.abspath(
os.path.dirname(os.path.realpath(__file__)) + os.path.sep + "..")
print('project_root:', project_root)
def set_weight_decay(params):
"""
Set weight decay coefficient, zero for bias and layernorm, 1e-1 for rest
"""
decay_filter = lambda x: 'layernorm' not in x.name.lower() and "bias" not in x.name.lower()
decay_params = list(filter(decay_filter, params))
other_params = list(filter(lambda x: not decay_filter(x), params))
group_params = [
{"params": decay_params, "weight_decay": 1e-1},
{"params": other_params, "weight_decay": 0.0},
{"order_params": params},
]
return group_params
def add_checkpoint_callback_policy(args_param, callback, rank_id):
r"""
Add checkpoint policy to callback.
"""
if args_param.save_checkpoint:
# checkpoint store epoch_num and step_num info
ckpt_append_info = [{"epoch_num": args_param.has_trained_epoches, "step_num": args_param.has_trained_steps}]
ckpt_config = CheckpointConfig(
save_checkpoint_steps=args_param.save_checkpoint_steps,
keep_checkpoint_max=args_param.keep_checkpoint_max,
integrated_save=False,
append_info=ckpt_append_info,
)
# save checkpoint into rank directory
ckpoint_cb = ModelCheckpoint(prefix=args_param.ckpt_name_prefix + str(rank_id),
directory=os.path.join(args_param.save_checkpoint_path, f"rank_{rank_id}"),
config=ckpt_config)
callback.append(ckpoint_cb)
saveckpt_cb = SaveCheckpointCallback(cache_dir=args_param.save_checkpoint_path,
bucket=args_param.save_checkpoint_obs_path,
local_rank=rank_id,
has_trained_epoch=args_param.has_trained_epoches,
has_trained_step=args_param.has_trained_steps,
syn_times=args_param.save_checkpoint_steps)
callback.append(saveckpt_cb)
def set_parallel_context(args_opt):
r"""Set parallel context"""
D.init()
device_num = D.get_group_size()
rank = D.get_rank()
print("rank_id is {}, device_num is {}".format(rank, device_num))
if device_num < 128:
args_opt.optimizer_shard = 0
context.reset_auto_parallel_context()
context.set_auto_parallel_context(
parallel_mode=ParallelMode.SEMI_AUTO_PARALLEL, gradients_mean=False,
full_batch=bool(args_opt.full_batch), strategy_ckpt_load_file=args_opt.strategy_load_ckpt_path,
enable_parallel_optimizer=bool(args_opt.optimizer_shard), strategy_ckpt_save_file='strategy.ckpt',
)
set_algo_parameters(elementwise_op_strategy_follow=True)
_set_multi_subgraphs()
return rank, device_num
def run_train(args_opt):
r"""The main training process."""
os.environ["HCCL_CONNECT_TIMEOUT"] = "2000"
# Set execution mode
context.set_context(
mode=context.GRAPH_MODE, device_target=args_opt.device_target
)
if args_opt.profiling:
profiler = Profiler(output_path="/cache/profiler_data")
context.set_context(variable_memory_max_size="30GB")
# Set parallel context
rank = 0
device_num = 1
if args_opt.distribute == "true":
rank, device_num = set_parallel_context(args_opt)
context.set_context(
save_graphs=False,
save_graphs_path="/cache/graphs_of_device_id_" + str(rank),
)
# copy data from the cloud to the /cache/Data
cache_url = '/cache/Data/'
eval_cache_url = '/cache/EvalData/'
if not args_opt.offline:
download_data(src_data_url=args_opt.data_url, tgt_data_path=cache_url, rank=rank)
download_data(src_data_url=args_opt.eval_data_url, tgt_data_path=eval_cache_url, rank=rank)
# Set model property
model_parallel_num = args_opt.op_level_model_parallel_num
data_parallel_num = int(device_num / model_parallel_num)
batch_size = args_opt.per_batch_size * data_parallel_num
parallel_config = TransformerOpParallelConfig(data_parallel=data_parallel_num, model_parallel=model_parallel_num,
pipeline_stage=args_opt.stage_num,
micro_batch_num=args_opt.micro_size,
optimizer_shard=bool(args_opt.optimizer_shard),
vocab_emb_dp=bool(args_opt.word_emb_dp), recompute=True,
gradient_aggregation_group=args_opt.gradient_aggregation_group)
micro_interleaved_size = args_opt.micro_interleaved_size
config = PanguAlphaConfig(
batch_size=batch_size // micro_interleaved_size,
num_heads=args_opt.num_heads,
hidden_size=args_opt.embedding_size,
seq_length=args_opt.seq_length,
vocab_size=args_opt.vocab_size,
num_layers=args_opt.num_layers,
ffn_hidden_size=args_opt.embedding_size * 4,
eod_token=args_opt.eod_id,
load_ckpt_path=args_opt.load_ckpt_path,
param_init_type=mstype.float32
if args_opt.param_init_type == "fp32"
else mstype.float16,
dropout_rate=args_opt.dropout_rate,
enable_offload=bool(args_opt.opt_offload),
use_moe=bool(args_opt.use_moe),
per_dp_dim_expert_num=args_opt.per_dp_dim_expert_num,
hidden_act="fast_gelu" if args_opt.device_target != "GPU" else "gelu",
parallel_config=parallel_config,
)
print("===config is: ", config, flush=True)
# Define network
pangu_alpha = PanguAlphaModel(config=config)
loss = CrossEntropyLoss(config.parallel_config.dp_mp_config)
if micro_interleaved_size > 1:
print("===using MicroBatchInterleaved", flush=True)
pangu_alpha_with_loss_net = MicroBatchInterleaved(PanGUAlphaWithFinetuneLoss(config, pangu_alpha, loss),
micro_interleaved_size)
else:
pangu_alpha_with_loss_net = PanGUAlphaWithFinetuneLoss(config, pangu_alpha, loss)
pangu_alpha_with_loss = _VirtualDatasetCell(pangu_alpha_with_loss_net)
print("=====args_opt is: ", args_opt, flush=True)
# Warm-up and cosine decay learning rate
lr = LearningRate(learning_rate=args_opt.start_lr, end_learning_rate=args_opt.end_lr,
warmup_steps=args_opt.warmup_step, decay_steps=args_opt.decay_steps)
params = pangu_alpha_with_loss.trainable_params()
group_params = set_weight_decay(params)
if args_opt.optimizer == "lamb":
optimizer = nn.Lamb(group_params, learning_rate=lr)
elif args_opt.opt_offload:
optimizer = AdamWeightDecayOp(group_params, learning_rate=lr, eps=1e-8, beta1=0.9, beta2=0.95,
param_init_type=config.param_init_type)
else:
optimizer = FP32StateAdamWeightDecay(group_params, learning_rate=lr, eps=1e-8, beta1=0.9, beta2=0.95)
# Initial scaling sens
loss_scale_value = math.pow(2, 32)
epoch_num = args_opt.epoch_size
if args_opt.load_ckpt_epoch > 0:
time.sleep(rank * 0.05)
os.mkdir(os.path.join(args_opt.save_checkpoint_path, f"rank_{rank}"))
ckpt_name = f"code-13B{rank}_21-{args_opt.load_ckpt_epoch}_2.ckpt"
if not mox.file.exists(os.path.join(args_opt.load_ckpt_path, f"rank_{rank}", ckpt_name)):
print(f"Checkpoint from rank {rank} doesn't exist!")
mox.file.copy(os.path.join(args_opt.load_ckpt_path, f"rank_{rank}", ckpt_name),
os.path.join(args_opt.save_checkpoint_path, f"rank_{rank}", ckpt_name))
param_dict = load_checkpoint(os.path.join(args_opt.save_checkpoint_path, f"rank_{rank}", ckpt_name))
# TODO: remove after warming-up!
param_dict.pop('global_step')
# TODO: add them back if not for the 1st run!
# if param_dict.get("epoch_num") and param_dict.get("step_num"):
# args_opt.has_trained_epoches = int(param_dict["epoch_num"].data.asnumpy())
# args_opt.has_trained_steps = int(param_dict["step_num"].data.asnumpy())
# args_opt.has_trained_steps = 9000
os.mkdir(f'/home/work/sfs/cache/{os.environ["BATCH_JOB_ID"]}/1/rank_{rank}')
while True:
num = len(os.listdir(f'/home/work/sfs/cache/{os.environ["BATCH_JOB_ID"]}/1'))
if num == device_num:
break
if rank % 64 == 0:
print("Loaded ckpt in step 1: ", num)
time.sleep(1)
# if args_opt.tb_dir is not None and rank == device_num - 1:
if args_opt.tb_dir is not None and rank == 0:
os.makedirs(args_opt.tb_dir, exist_ok=True)
summary_writer = SummaryWriter(args_opt.tb_dir)
os.system(f'chmod 777 -R {args_opt.tb_dir}')
else:
summary_writer = None
# Dataset loading mindrecord files
ds, ds_eval = create_dataset(config.batch_size * micro_interleaved_size, data_path=args_opt.code_data,
args_opt=args_opt, data_start_index=0,
eod_reset=config.eod_reset, full_batch=bool(args_opt.full_batch),
eod_id=args_opt.eod_id,
device_num=device_num, rank=rank, epoch=epoch_num,
train_and_eval=bool(args_opt.train_and_eval_mode), val_ratio=0.001)
actual_epoch_num = int(ds.get_dataset_size() / args_opt.sink_size)
callback = [
TimeMonitor(args_opt.sink_size),
]
update_cell = DynamicLossScaleUpdateCell(loss_scale_value=loss_scale_value, scale_factor=2, scale_window=1000)
pangu_alpha_with_grads = PanguAlphaTrainOneStepWithLossScaleCell(
pangu_alpha_with_loss, optimizer=optimizer, scale_update_cell=update_cell, enable_global_norm=True,
config=config)
if ds_eval:
ppl_metric = PPLMetric(config.seq_length)
validation_loss = ValidationLoss(config.seq_length)
model = Model(pangu_alpha_with_grads, eval_network=pangu_alpha_with_loss,
metrics={"ppl": ppl_metric, "validation_loss": validation_loss})
callback.append(
EvalCallBack(
model=model,
eval_dataset=ds_eval,
ppl_metric=ppl_metric,
validation_loss=validation_loss,
print_per_step=20,
has_trained_step=args_opt.has_trained_steps,
local_rank=rank,
rank_size=device_num,
tb_writer=summary_writer
)
)
else:
model = Model(pangu_alpha_with_grads)
if args_opt.load_ckpt_epoch > 0:
print("===build model and load ckpt")
time_stamp = datetime.datetime.now()
print(f"time stamp {time_stamp.strftime('%Y.%m.%d-%H:%M:%S')} before building", flush=True)
model.build(train_dataset=ds, sink_size=args_opt.sink_size, epoch=actual_epoch_num)
time_stamp = datetime.datetime.now()
print(f"time stamp {time_stamp.strftime('%Y.%m.%d-%H:%M:%S')} before loading ckpt", flush=True)
load_param_into_net(pangu_alpha_with_loss, param_dict)
os.mkdir(f'/home/work/sfs/cache/{os.environ["BATCH_JOB_ID"]}/2/rank_{rank}')
while True:
num = len(os.listdir(f'/home/work/sfs/cache/{os.environ["BATCH_JOB_ID"]}/2'))
if num == device_num:
break
if rank % 64 == 0:
print("Loaded ckpt in step 2: ", num)
time.sleep(1)
callback.append(
LossCallBack(
name=args_opt.ckpt_name_prefix,
dataset_size=args_opt.sink_size,
local_rank=rank,
rank_size=device_num,
has_trained_epoch=args_opt.has_trained_epoches,
has_trained_step=args_opt.has_trained_steps,
micro_size=args_opt.micro_size * micro_interleaved_size,
tb_writer=summary_writer,
)
)
if not args_opt.profiling:
add_checkpoint_callback_policy(args_opt, callback, rank)
if args_opt.incremental_training:
strategy = model.infer_train_layout(train_dataset=ds, sink_size=args_opt.sink_size)
print("======start load_distributed checkpoint", flush=True)
# For 2.6B and 13B models, the number of ckpt files is 512.
ckpt_file_list = [os.path.join(args_opt.load_ckpt_path, f"filerted_{ckpt_rank}.ckpt") for ckpt_rank in
range(0, 512)]
print(f"Loading from path {ckpt_file_list[0]}", flush=True)
load_distributed_checkpoint(model.train_network, ckpt_file_list, strategy)
print("Dataset size: {}, actual_epoch_num: {}".format(ds.get_dataset_size(), actual_epoch_num), flush=True)
try:
model.train(10 if args_opt.profiling else actual_epoch_num, ds, callbacks=callback,
sink_size=args_opt.sink_size, dataset_sink_mode=True)
finally:
if args_opt.profiling:
jobid = os.environ["BATCH_JOB_ID"]
profiler.analyse()
rank_id = rank
if context.get_context("save_graphs"):
mox.file.make_dirs("s3://wudao-1/yyf/graphs_" + jobid)
mox.file.copy_parallel(src_url="/cache/graphs_of_device_id_" + str(rank_id),
dst_url="s3://wudao-1/yyf/graphs_" + jobid + "/" + str(rank_id))
if rank_id % 8 == 0:
mox.file.make_dirs("s3://wudao-1/yyf/profiler_" + jobid)
mox.file.copy_parallel(src_url="/cache/profiler_data",
dst_url="s3://wudao-1/yyf/profiler_" + jobid + "/" + str(rank_id))
if __name__ == "__main__":
opt = get_args()
set_parse(opt)
if opt.per_batch_size == 0:
raise ValueError("The per_batch_size has not been configured.")
if opt.stage_num > 1:
if bool(opt.use_moe) or bool(opt.opt_offload):
raise ValueError("Currently, moe and host device mode is not supported in pipeline parallel.")
else:
run_train(opt)