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【paddle.fleet】worker-ports can be set optionally when using fleetrun command #26090

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Merged
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Aug 11, 2020
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【paddle.fleet】worker-ports can be set optionally when using fleetrun command #26090

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37 changes: 28 additions & 9 deletions python/paddle/fleet/launch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
# See the License for the specific language governing permissions and
# limitations under the License.
"""
paddle.distributed.launch is a module that spawns multiple distributed
fleetrun is a module that spawns multiple distributed
process on each training node for gpu training and cpu training.
Usage:
In both of single node training or multiple node training, this module
Expand All @@ -31,16 +31,26 @@
your_training_py (arg1 arg2 and all others)
CPU training:
1. for single node training with multi servers and workers:
fleetrun --server_num=1 --worker_num=4 your_training_py (arg1 arg2 and all others)
fleetrun --server_num=2 --worker_num=2 your_training_py (arg1 arg2 and all others)
2. for multiple node training such as two node:192.168.0.16, 192.168.0.17 \
with 2 servers and 4 workers.
with 2 servers and 4 workers.
on 192.168.0.16:
fleetrun --servers="192.168.0.16:6170,192.168.0.17:6171" \
--workers="192.168.0.16:6172,192.168.0.17:6173,192.168.0.16:6174,192.168.0.17:6175" \
fleetrun --servers="192.168.0.16:6170,192.168.0.17:6170" \
--workers="192.168.0.16,192.168.0.17,192.168.0.16,192.168.0.17" \
your_training_py (arg1 arg2 and all others)
on 192.168.0.17:
fleetrun --servers="192.168.0.16:6170,192.168.0.17:6171" \
--workers="192.168.0.16:6172,192.168.0.17:6173,192.168.0.16:6174,192.168.0.17:6175" \
--workers="192.168.0.16,192.168.0.17,192.168.0.16,192.168.0.17" \
your_training_py (arg1 arg2 and all others)
3. use gloo backend for multiple node training such as two node:192.168.0.16, 192.168.0.17 \
with 2 servers and 4 workers. (workers should set port)
on 192.168.0.16:
fleetrun --servers="192.168.0.16:6170,192.168.0.17:6170" \
--workers="192.168.0.16:6171,192.168.0.17:6171,192.168.0.16:6172,192.168.0.17:6172" \
your_training_py (arg1 arg2 and all others)
on 192.168.0.17:
fleetrun --servers="192.168.0.16:6170,192.168.0.17:6170" \
--workers="192.168.0.16:6171,192.168.0.17:6171,192.168.0.16:6172,192.168.0.17:6172" \
your_training_py (arg1 arg2 and all others)
"""

Expand Down Expand Up @@ -215,6 +225,7 @@ def launch_collective(args):

def launch_ps(args):
ports = None
start_port = 6170
if args.server_num:
server_num = args.server_num
ports = get_ports(server_num, 0)
Expand All @@ -240,11 +251,19 @@ def launch_ps(args):
worker_endpoints_ips = [
x.strip().split(":")[0] for x in worker_endpoints.split(",")
]
worker_endpoints_port = [
x.strip().split(":")[1] for x in worker_endpoints.split(",")
]
worker_num = len(worker_endpoints_ips)
node_ips = list(set(server_endpoints_ips + worker_endpoints_ips))
worker_endpoints_len = [
len(x.strip().split(":")) for x in worker_endpoints.split(",")
]
if 1 in worker_endpoints_len:
# if no port value in worker_endpoints, will set default port values.
worker_endpoints_port = range(start_port + server_num,
start_port + server_num + worker_num, 1)
else:
worker_endpoints_port = [
x.strip().split(":")[1] for x in worker_endpoints.split(",")
]

# local train
if len(set(node_ips)) == 1:
Expand Down
10 changes: 9 additions & 1 deletion python/paddle/fluid/tests/unittests/test_fleet_launch.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,15 @@ function test_launch_ps(){
exit -1
fi

fleetrun --servers="120.0.0.1:6780,120.0.0.1:6781" --workers="120.0.0.1:6782,120.0.0.1:6783" fleet_ps_training.py 2> ut.elog
fleetrun --servers="127.0.0.1:6780,127.0.0.1:6781" --workers="127.0.0.1:6782,127.0.0.1:6783" fleet_ps_training.py 2> ut.elog
if grep -q "server are killed" ut.elog; then
echo "test pserver launch succeed"
else
echo "test pserver launch failed"
exit -1
fi

fleetrun --servers="127.0.0.1:6780,127.0.0.1:6781" --workers="127.0.0.1,127.0.0.1" fleet_ps_training.py 2> ut.elog
if grep -q "server are killed" ut.elog; then
echo "test pserver launch succeed"
else
Expand Down