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# Copyright (c) 2024, EleutherAI
#
# 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.
"""
verify parsing and handover of command line arguments
"""
import pytest
import sys
from unittest.mock import patch
from ..common import get_root_directory, get_config_directory, get_configs_with_path
@pytest.mark.cpu
def test_neoxargs_consume_deepy_args_with_config_dir():
"""
verify consume_deepy_args processes command line arguments without config dir
"""
from megatron.neox_arguments import NeoXArgs
# load neox args with command line
with patch(
"sys.argv",
[str(get_root_directory() / "deepy.py"), "train.py"]
+ get_configs_with_path(["125M.yml", "local_setup.yml"]),
):
args_loaded_consume = NeoXArgs.consume_deepy_args()
# load neox args directly from yaml files
args_loaded_yamls = NeoXArgs.from_ymls(
get_configs_with_path(["125M.yml", "local_setup.yml"])
)
# update values from yaml files that cannot otherwise be matched
args_loaded_yamls.update_value("user_script", "train.py")
args_loaded_yamls.wandb_group = args_loaded_consume.wandb_group
assert args_loaded_yamls == args_loaded_consume
@pytest.mark.cpu
def test_neoxargs_consume_deepy_args_without_yml_suffix():
"""
verify consume_deepy_args processes command line arguments without yaml suffix
"""
from megatron.neox_arguments import NeoXArgs
# load neox args with command line
with patch(
"sys.argv",
[str(get_root_directory() / "deepy.py"), "train.py"]
+ get_configs_with_path(["125M", "local_setup", "cpu_mock_config.yml"]),
):
args_loaded_consume = NeoXArgs.consume_deepy_args()
# load neox args directly from yaml files
args_loaded_yamls = NeoXArgs.from_ymls(
get_configs_with_path(["125M.yml", "local_setup.yml", "cpu_mock_config.yml"])
)
# update values from yaml files that cannot otherwise be matched
args_loaded_yamls.update_value("user_script", "train.py")
args_loaded_yamls.wandb_group = args_loaded_consume.wandb_group
assert args_loaded_yamls == args_loaded_consume
@pytest.mark.cpu
def test_neoxargs_consume_deepy_args_with_hostfile_param():
"""
Verify consume_deepy_args processes command line arguments without yaml suffix.
Also test the hostfile CLI arg
"""
from megatron.neox_arguments import NeoXArgs
# load neox args with command line
with patch(
"sys.argv",
[str(get_root_directory() / "deepy.py"), "train.py"]
+ get_configs_with_path(["125M", "local_setup", "cpu_mock_config.yml"])
+ ["--hostfile=/mock_path"],
):
args_loaded_consume = NeoXArgs.consume_deepy_args()
# load neox args directly from yaml files
args_loaded_yamls = NeoXArgs.from_ymls(
get_configs_with_path(["125M.yml", "local_setup.yml", "cpu_mock_config.yml"])
)
# update values from yaml files that cannot otherwise be matched
args_loaded_yamls.update_value("user_script", "train.py")
args_loaded_yamls.wandb_group = args_loaded_consume.wandb_group
assert args_loaded_yamls == args_loaded_consume
@pytest.mark.cpu
def test_neoxargs_consume_deepy_args_with_config_dir():
"""
verify consume_deepy_args processes command line arguments including config dir
"""
from megatron.neox_arguments import NeoXArgs
# load neox args with command line
with patch(
"sys.argv",
[
str(get_root_directory() / "deepy.py"),
"train.py",
"-d",
str(get_config_directory()),
]
+ ["125M.yml", "local_setup.yml", "cpu_mock_config.yml"],
):
args_loaded_consume = NeoXArgs.consume_deepy_args()
# load neox args directly from yaml files
args_loaded_yamls = NeoXArgs.from_ymls(
get_configs_with_path(["125M.yml", "local_setup.yml", "cpu_mock_config.yml"])
)
# update values from yaml files that cannot otherwise be matched
args_loaded_yamls.update_value("user_script", "train.py")
args_loaded_yamls.wandb_group = args_loaded_consume.wandb_group
assert args_loaded_yamls == args_loaded_consume
@pytest.mark.cpu
def test_neoxargs_consume_neox_args():
"""
verify megatron args are correctly consumed after sending via deepspeed
"""
from megatron.neox_arguments import NeoXArgs
# intitially load config from files as would be the case in deepy.py
yaml_list = get_configs_with_path(
["125M.yml", "local_setup.yml", "cpu_mock_config.yml"]
)
args_baseline = NeoXArgs.from_ymls(yaml_list)
args_baseline.update_value("user_script", str(get_root_directory() / "train.py"))
deepspeed_main_args = args_baseline.get_deepspeed_main_args()
# patch sys.argv so that args can be access by set_global_variables within initialize_megatron
with patch("sys.argv", deepspeed_main_args):
args_loaded = NeoXArgs.consume_neox_args()
# TODO is the wandb group really to be changed?
args_loaded.wandb_group = args_baseline.wandb_group
assert args_baseline.megatron_config == args_loaded.megatron_config
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