def _get_by_runner_type(identifier,
user_entry_point=None,
args=None,
env_vars=None,
extra_opts=None):
env = environment.Environment()
user_entry_point = user_entry_point or env.user_entry_point
args = args or env.to_cmd_args()
env_vars = env_vars or env.to_env_vars()
mpi_args = extra_opts or {}
# Default to single process for CPU
default_processes_per_host = int(
env.num_gpus) if int(env.num_gpus) > 0 else 1
processes_per_host = _mpi_param_value(mpi_args, env,
params.MPI_PROCESSES_PER_HOST,
default_processes_per_host)
if identifier is RunnerType.SMDataParallel and env.is_master:
custom_mpi_options = _mpi_param_value(
mpi_args, env, params.SMDATAPARALLEL_CUSTOM_MPI_OPTIONS, "")
return smdataparallel.SMDataParallelRunner(
user_entry_point,
args,
env_vars,
processes_per_host,
env.master_hostname,
env.distribution_hosts,
custom_mpi_options,
env.network_interface_name,
)
elif identifier is RunnerType.SMDataParallel:
return mpi.WorkerRunner(user_entry_point, args, env_vars,
processes_per_host, env.master_hostname)
elif identifier is RunnerType.MPI and env.is_master:
num_processes = _mpi_param_value(mpi_args, env,
params.MPI_NUM_PROCESSES)
custom_mpi_options = _mpi_param_value(mpi_args, env,
params.MPI_CUSTOM_OPTIONS, "")
return mpi.MasterRunner(
user_entry_point,
args,
env_vars,
processes_per_host,
env.master_hostname,
env.distribution_hosts,
custom_mpi_options,
env.network_interface_name,
num_processes=num_processes,
)
elif identifier is RunnerType.MPI:
return mpi.WorkerRunner(user_entry_point, args, env_vars,
processes_per_host, env.master_hostname)
elif identifier is RunnerType.Process:
return process.ProcessRunner(user_entry_point, args, env_vars,
processes_per_host)
else:
raise ValueError("Invalid identifier %s" % identifier)
def test_mpi_master_run_python(training_env, popen, policy, ssh_client,
python_executable, path_exists):
with patch.dict(os.environ, clear=True):
master = mpi.MasterRunner(
user_entry_point="train.py",
args=["-v", "--lr", "35"],
env_vars={"LD_CONFIG_PATH": "/etc/ld"},
master_hostname="algo-1",
hosts=["algo-1", "algo-2"],
process_per_host=2,
custom_mpi_options="-v --lr 35",
network_interface_name="ethw3",
)
process = master.run(wait=False)
ssh_client().load_system_host_keys.assert_called()
ssh_client().set_missing_host_key_policy.assert_called_with(policy())
ssh_client().connect.assert_called_with("algo-2", port=22)
ssh_client().close.assert_called()
popen.assert_called_with(
[
"mpirun",
"--host",
"algo-1:2,algo-2:2",
"-np",
"4",
"--allow-run-as-root",
"--display-map",
"--tag-output",
"-mca",
"btl_tcp_if_include",
"ethw3",
"-mca",
"oob_tcp_if_include",
"ethw3",
"-mca",
"plm_rsh_no_tree_spawn",
"1",
"-bind-to",
"none",
"-map-by",
"slot",
"-mca",
"pml",
"ob1",
"-mca",
"btl",
"^openib",
"-mca",
"orte_abort_on_non_zero_status",
"1",
"-x",
"NCCL_MIN_NRINGS=4",
"-x",
"NCCL_SOCKET_IFNAME=ethw3",
"-x",
"NCCL_DEBUG=INFO",
"-x",
"LD_LIBRARY_PATH",
"-x",
"PATH",
"-x",
"LD_PRELOAD=%s" % inspect.getfile(gethostname),
"-v",
"--lr",
"35",
"-x",
"LD_CONFIG_PATH",
"usr/bin/python3",
"-m",
"mpi4py",
"train.py",
"-v",
"--lr",
"35",
],
cwd=environment.code_dir,
env=ANY,
stderr=None,
)
assert process == popen()
path_exists.assert_called_with("/usr/sbin/sshd")
def test_mpi_master_run(training_env, async_shell, policy, ssh_client,
path_exists, async_gather, event_loop):
with patch.dict(os.environ, clear=True):
os.environ["AWS_ACCESS_KEY_ID"] = "ABCD"
master = mpi.MasterRunner(
user_entry_point="train.sh",
args=["-v", "--lr", "35"],
env_vars={"LD_CONFIG_PATH": "/etc/ld"},
processes_per_host=2,
master_hostname="algo-1",
hosts=["algo-1", "algo-2"],
custom_mpi_options="-v --lr 35",
network_interface_name="ethw3",
)
process = master.run(wait=False)
ssh_client().load_system_host_keys.assert_called()
ssh_client().set_missing_host_key_policy.assert_called_with(policy())
ssh_client().connect.assert_called_with("algo-2", port=22)
ssh_client().close.assert_called()
cmd = [
"mpirun",
"--host",
"algo-1:2,algo-2:2",
"-np",
"4",
"--allow-run-as-root",
"--display-map",
"--tag-output",
"-mca",
"btl_tcp_if_include",
"ethw3",
"-mca",
"oob_tcp_if_include",
"ethw3",
"-mca",
"plm_rsh_no_tree_spawn",
"1",
"-bind-to",
"none",
"-map-by",
"slot",
"-mca",
"pml",
"ob1",
"-mca",
"btl",
"^openib",
"-mca",
"orte_abort_on_non_zero_status",
"1",
"-mca",
"btl_vader_single_copy_mechanism",
"none",
"-x",
"NCCL_MIN_NRINGS=4",
"-x",
"NCCL_SOCKET_IFNAME=ethw3",
"-x",
"NCCL_DEBUG=INFO",
"-x",
"LD_LIBRARY_PATH",
"-x",
"PATH",
"-x",
"LD_PRELOAD=%s" % inspect.getfile(gethostname),
"-v",
"--lr",
"35",
"-x",
"AWS_ACCESS_KEY_ID",
"-x",
"LD_CONFIG_PATH",
"/bin/sh",
"-c",
'"./train.sh -v --lr 35"',
]
extended_cmd = " ".join(cmd)
async_shell.assert_called_with(
extended_cmd,
env=ANY,
cwd=environment.code_dir,
stdout=asyncio.subprocess.PIPE,
stderr=None,
)
async_shell.assert_called_once()
async_gather.assert_called_once()
assert process == async_shell.return_value
path_exists.assert_called_with("/usr/sbin/sshd")