# Copyright (c) 2019 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. from __future__ import print_function import numpy as np import unittest import time import argparse import os import six import sys import subprocess import traceback import functools import pickle from contextlib import closing from six import string_types import paddle.fluid as fluid import paddle.fluid.unique_name as nameGen from paddle.fluid import core class TestCollectiveAPIRunnerBase(object): def get_model(self, train_prog, startup_prog, rank): raise NotImplementedError( "get model should be implemented by child class.") def wait_server_ready(self, endpoints): assert not isinstance(endpoints, string_types) while True: all_ok = True not_ready_endpoints = [] for ep in endpoints: ip_port = ep.split(":") with closing( socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock: sock.settimeout(2) result = sock.connect_ex((ip_port[0], int(ip_port[1]))) if result != 0: all_ok = False not_ready_endpoints.append(ep) if not all_ok: sys.stderr.write("server not ready, wait 3 sec to retry...\n") sys.stderr.write("not ready endpoints:" + str( not_ready_endpoints) + "\n") sys.stderr.flush() time.sleep(3) else: break def initCommunicator(self, program, rank, nranks, wait_port, current_endpoint, endpoints): other_endpoints = endpoints[:] other_endpoints.remove(current_endpoint) if rank == 0 and wait_port: self.wait_server_ready(other_endpoints) block = program.global_block() nccl_id_var = block.create_var( name=nameGen.generate('nccl_id'), persistable=True, type=core.VarDesc.VarType.RAW) block.append_op( type='c_gen_nccl_id', inputs={}, outputs={'Out': nccl_id_var}, attrs={ 'rank': rank, 'endpoint': current_endpoint, 'other_endpoints': other_endpoints }) block.append_op( type='c_comm_init', inputs={'X': nccl_id_var}, outputs={}, attrs={ 'nranks': nranks, 'rank': rank, 'ring_id': self.global_ring_id }) def run_trainer(self, args): train_prog = fluid.Program() startup_prog = fluid.Program() endpoints = args["endpoints"].split(",") rank = args["trainerid"] current_endpoint = args["currentendpoint"] nranks = 2 result = self.get_model(train_prog, startup_prog, rank) if args['backend'] == 'nccl': self.initCommunicator(startup_prog, rank, nranks, True, current_endpoint, endpoints) device_id = int(os.getenv("FLAGS_selected_gpus", "0")) place = fluid.CUDAPlace( device_id) #if args.use_gpu else fluid.CPUPlace() else: strategy = fluid.core.GlooParallelStrategy() strategy.rank = rank strategy.rank_num = nranks strategy.prefix = "" strategy.iface = "lo" strategy.init_seconds = 999999 strategy.run_seconds = 999999 strategy.path = "/tmp/tmp%d" % args['path_id'] gloo = fluid.core.GlooParallelContext(strategy) gloo.init() place = fluid.CPUPlace() exe = fluid.Executor(place) exe.run(startup_prog) np.random.seed(os.getpid()) indata = np.random.random((10, 1000)) fetch_list = [] for elem in result: fetch_list.append(elem.name) out = exe.run(train_prog, feed={'tindata': indata}, fetch_list=fetch_list) if six.PY2: print(pickle.dumps(out)) else: sys.stdout.buffer.write(pickle.dumps(out)) def runtime_main(test_class, col_type): args = {} model = test_class() args["deviceid"] = os.getenv("FLAGS_selected_gpus") args["trainerid"] = int(os.getenv("PADDLE_TRAINER_ID")) args["trainernum"] = int(os.getenv("PADDLE_TRAINERS_NUM")) args["endpoints"] = os.getenv('PADDLE_TRAINER_ENDPOINTS') args["currentendpoint"] = os.getenv("PADDLE_CURRENT_ENDPOINT") args["col_type"] = col_type args["backend"] = os.getenv("BACKEND") args["path_id"] = int(os.getenv("PATH_ID")) model.run_trainer(args) import paddle.compat as cpt import socket from contextlib import closing class TestDistBase(unittest.TestCase): def setUp(self): self._port_set = set() self._trainers = 2 self._ps_endpoints = "127.0.0.1:%s,127.0.0.1:%s" % ( self._find_free_port(), self._find_free_port()) self._python_interp = sys.executable def _find_free_port(self): def __free_port(): with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s: s.bind(('', 0)) return s.getsockname()[1] while True: port = __free_port() if port not in self._port_set: self._port_set.add(port) return port def _run_cluster(self, model_file, envs): worker_endpoints = self._ps_endpoints.split(",") w0_ep, w1_ep = worker_endpoints #print("w0_ep:",w0_ep," w1_ep:",w1_ep) env0 = { "FLAGS_selected_gpus": "0", "PADDLE_TRAINER_ID": "0", "PADDLE_TRAINERS_NUM": "2", "PADDLE_TRAINER_ENDPOINTS": self._ps_endpoints, "PADDLE_CURRENT_ENDPOINT": w0_ep } env1 = { "FLAGS_selected_gpus": "1", "PADDLE_TRAINER_ID": "1", "PADDLE_TRAINERS_NUM": "2", "PADDLE_TRAINER_ENDPOINTS": self._ps_endpoints, "PADDLE_CURRENT_ENDPOINT": w1_ep } #update environment env0.update(envs) env1.update(envs) tr_cmd = "%s %s" tr0_cmd = tr_cmd % (self._python_interp, model_file) tr1_cmd = tr_cmd % (self._python_interp, model_file) tr0_pipe = open("/tmp/tr0_err.log", "wb") tr1_pipe = open("/tmp/tr1_err.log", "wb") #print(tr0_cmd) tr0_proc = subprocess.Popen( tr0_cmd.strip().split(), stdout=subprocess.PIPE, stderr=tr0_pipe, env=env0) tr1_proc = subprocess.Popen( tr0_cmd.strip().split(), stdout=subprocess.PIPE, stderr=tr1_pipe, env=env1) tr0_out, tr0_err = tr0_proc.communicate() tr1_out, tr1_err = tr1_proc.communicate() sys.stderr.write('trainer 0 stderr: %s\n' % tr0_err) sys.stderr.write('trainer 1 stderr: %s\n' % tr1_err) # close trainer file tr0_pipe.close() tr1_pipe.close() return pickle.loads(tr0_out), pickle.loads( tr1_out), tr0_proc.pid, tr1_proc.pid def check_with_place(self, model_file, col_type, backend="nccl", path_id="0", check_error_log=False, need_envs={}): required_envs = { "FLAGS_fraction_of_gpu_memory_to_use": "0.15", "FLAGS_eager_delete_tensor_gb": "0.0", "PATH": os.getenv("PATH"), "PYTHONPATH": os.getenv("PYTHONPATH", ""), "LD_LIBRARY_PATH": os.getenv("LD_LIBRARY_PATH", ""), "LD_PRELOAD": os.getenv("LD_PRELOAD", ""), "GLOG_v": "0", "NCCL_P2P_DISABLE": "1", "BACKEND": backend, "PATH_ID": path_id } required_envs.update(need_envs) if check_error_log: required_envs["GLOG_v"] = "3" required_envs["GLOG_logtostderr"] = "1" tr0_out, tr1_out, pid0, pid1 = self._run_cluster(model_file, required_envs) np.random.seed(pid0) input1 = np.random.random((10, 1000)) np.random.seed(pid1) input2 = np.random.random((10, 1000)) if col_type == "allgather": need_result = np.vstack((input1, input2)) tr_out0 = np.vstack((tr0_out[0], tr0_out[1])) tr_out1 = np.vstack((tr1_out[0], tr1_out[1])) self.assertTrue(np.allclose(tr_out0, need_result)) self.assertTrue(np.allclose(tr_out1, need_result)) elif col_type == "broadcast": need_result = input2 self.assertTrue(np.allclose(tr0_out, need_result)) self.assertTrue(np.allclose(tr1_out, need_result)) elif col_type == "reduce": need_result = input1 + input2 self.assertTrue(np.allclose(tr0_out, need_result)) elif col_type == "scatter": need_result = input2 need_result1 = need_result[0:need_result.shape[0] // 2] need_result2 = need_result[need_result.shape[0] // 2:] self.assertTrue(np.allclose(tr0_out, need_result1)) self.assertTrue(np.allclose(tr1_out, need_result2)) elif col_type == "allreduce": need_result = input1 + input2 self.assertTrue( np.allclose( tr0_out, need_result, rtol=1e-05, atol=1e-05)) self.assertTrue( np.allclose( tr1_out, need_result, rtol=1e-05, atol=1e-05)) else: pass