fix dist ut with place, test=develop (#13647)

python/paddle/fluid/tests/unittests/dist_se_resnext.py

@@ -247,7 +247,7 @@ class DistSeResneXt2x2(TestDistRunnerBase):
 
         # Reader
         train_reader = paddle.batch(
-            paddle.dataset.flowers.train(), batch_size=batch_size)
+            paddle.dataset.flowers.test(use_xmap=False), batch_size=batch_size)
         test_reader = paddle.batch(
             paddle.dataset.flowers.test(use_xmap=False), batch_size=batch_size)
 

python/paddle/fluid/tests/unittests/test_dist_base.py

@@ -166,6 +166,17 @@ class TestDistBase(unittest.TestCase):
     def _setup_config(self):
         raise NotImplementedError("tests should have _setup_config implemented")
 
+    def _after_setup_config(self):
+        if self._enforce_place == "CPU":
+            self.__use_cuda = False
+        elif self._enforce_place == "GPU":
+            self.__use_cuda = True
+        else:
+            if fluid.core.is_compiled_with_cuda():
+                self.__use_cuda = True
+            else:
+                self.__use_cuda = False
+
     def setUp(self):
         self._trainers = 2
         self._pservers = 2
@@ -173,11 +184,12 @@ class TestDistBase(unittest.TestCase):
             self._find_free_port(), self._find_free_port())
         self._python_interp = "python"
         self._sync_mode = True
-        self._use_cuda = True
+        self._enforce_place = None
         self._mem_opt = False
         self._use_reduce = False
         self._use_reader_alloc = True
         self._setup_config()
+        self._after_setup_config()
 
     def _find_free_port(self):
         with closing(socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as s:
@@ -201,9 +213,6 @@ class TestDistBase(unittest.TestCase):
             ps0_cmd += " --mem_opt"
             ps1_cmd += " --mem_opt"
 
-        ps0_pipe = subprocess.PIPE
-        ps1_pipe = subprocess.PIPE
-        if check_error_log:
         print(ps0_cmd)
         print(ps1_cmd)
         ps0_pipe = open("/tmp/ps0_err.log", "wb")
@@ -220,9 +229,6 @@ class TestDistBase(unittest.TestCase):
             stderr=ps1_pipe,
             env=required_envs)
 
-        if not check_error_log:
-            return ps0_proc, ps1_proc, None, None
-        else:
         return ps0_proc, ps1_proc, ps0_pipe, ps1_pipe
 
     def _wait_ps_ready(self, pid):
@@ -244,7 +250,7 @@ class TestDistBase(unittest.TestCase):
 
         cmd = "%s %s --role trainer" % (self._python_interp, model)
 
-        if self._use_cuda:
+        if self.__use_cuda:
             cmd += " --use_cuda"
             env_local = {"CUDA_VISIBLE_DEVICES": "0"}
         else:
@@ -252,7 +258,7 @@ class TestDistBase(unittest.TestCase):
 
         envs.update(env_local)
 
-        if not check_error_log:
+        if check_error_log:
             err_log = open("/tmp/trainer.err.log", "wb")
             local_proc = subprocess.Popen(
                 cmd.split(" "),
@@ -266,7 +272,6 @@ class TestDistBase(unittest.TestCase):
                 stderr=subprocess.PIPE,
                 env=envs)
 
-        local_proc.wait()
         local_out, local_err = local_proc.communicate()
         local_ret = cpt.to_text(local_out)
 
@@ -307,7 +312,7 @@ class TestDistBase(unittest.TestCase):
         if self._use_reader_alloc:
             tr0_cmd += " --use_reader_alloc"
             tr1_cmd += " --use_reader_alloc"
-        if self._use_cuda:
+        if self.__use_cuda:
             tr0_cmd += " --use_cuda"
             tr1_cmd += " --use_cuda"
             env0 = {"CUDA_VISIBLE_DEVICES": "0"}
@@ -319,11 +324,6 @@ class TestDistBase(unittest.TestCase):
         env0.update(envs)
         env1.update(envs)
 
-        FNULL = open(os.devnull, 'w')
-
-        tr0_pipe = subprocess.PIPE
-        tr1_pipe = subprocess.PIPE
-        if check_error_log:
         print("tr0_cmd:{}, env0: {}".format(tr0_cmd, env0))
         print("tr1_cmd:{}, env1: {}".format(tr1_cmd, env1))
         tr0_pipe = open("/tmp/tr0_err.log", "wb")
@@ -340,16 +340,12 @@ class TestDistBase(unittest.TestCase):
             stderr=tr1_pipe,
             env=env1)
 
-        tr0_proc.wait()
-        tr1_proc.wait()
-
         tr0_out, tr0_err = tr0_proc.communicate()
         tr0_loss_text = cpt.to_text(tr0_out)
         tr1_out, tr1_err = tr1_proc.communicate()
         tr1_loss_text = cpt.to_text(tr1_out)
 
         # close trainer file
-        if check_error_log:
         tr0_pipe.close()
         tr1_pipe.close()
 
@@ -360,9 +356,6 @@ class TestDistBase(unittest.TestCase):
         os.kill(ps1.pid, signal.SIGKILL)
         ps0.terminate()
         ps1.terminate()
-        ps0.wait()
-        ps1.wait()
-        FNULL.close()
 
         # print log
         sys.stderr.write('trainer 0 stdout:\n %s\n' % tr0_loss_text)
@@ -387,6 +380,7 @@ class TestDistBase(unittest.TestCase):
             "LD_LIBRARY_PATH": os.getenv("LD_LIBRARY_PATH", ""),
             "FLAGS_fraction_of_gpu_memory_to_use": "0.15",
             "FLAGS_cudnn_deterministic": "1",
+            "http_proxy": ""
         }
 
         required_envs.update(need_envs)

python/paddle/fluid/tests/unittests/test_dist_ctr.py

@@ -21,9 +21,10 @@ from test_dist_base import TestDistBase
 class TestDistCTR2x2(TestDistBase):
     def _setup_config(self):
         self._sync_mode = True
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
-    def test_dist_ctr(self):
+
+def test_dist_ctr(self):
     self.check_with_place("dist_ctr.py", delta=1e-7, check_error_log=False)
 
 

python/paddle/fluid/tests/unittests/test_dist_simnet_bow.py

@@ -22,7 +22,7 @@ from test_dist_base import TestDistBase
 class TestDistSimnetBowDense2x2(TestDistBase):
     def _setup_config(self):
         self._sync_mode = True
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
     def test_simnet_bow(self):
         need_envs = {"IS_DISTRIBUTED": '0', "IS_SPARSE": '0'}
@@ -36,7 +36,7 @@ class TestDistSimnetBowDense2x2(TestDistBase):
 class TestDistSimnetBow2x2DenseAsync(TestDistBase):
     def _setup_config(self):
         self._sync_mode = False
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
     def test_simnet_bow(self):
         need_envs = {"IS_DISTRIBUTED": '0', "IS_SPARSE": '0'}
@@ -50,7 +50,7 @@ class TestDistSimnetBow2x2DenseAsync(TestDistBase):
 class TestDistSimnetBowSparse2x2(TestDistBase):
     def _setup_config(self):
         self._sync_mode = True
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
     def test_simnet_bow(self):
         need_envs = {"IS_DISTRIBUTED": '0', "IS_SPARSE": '1'}
@@ -64,7 +64,7 @@ class TestDistSimnetBowSparse2x2(TestDistBase):
 class TestDistSimnetBow2x2SparseAsync(TestDistBase):
     def _setup_config(self):
         self._sync_mode = False
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
     def test_simnet_bow(self):
         need_envs = {"IS_DISTRIBUTED": '0', "IS_SPARSE": '1'}

python/paddle/fluid/tests/unittests/test_dist_text_classification.py

@@ -21,7 +21,7 @@ from test_dist_base import TestDistBase
 class TestDistTextClassification2x2(TestDistBase):
     def _setup_config(self):
         self._sync_mode = True
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
     def test_text_classification(self):
         self.check_with_place("dist_text_classification.py", delta=1e-6)
@@ -30,7 +30,7 @@ class TestDistTextClassification2x2(TestDistBase):
 class TestDistTextClassification2x2Async(TestDistBase):
     def _setup_config(self):
         self._sync_mode = False
-        self._use_cuda = False
+        self._enforce_place = "CPU"
 
     def test_se_resnext(self):
         self.check_with_place("dist_text_classification.py", delta=100)