Merge pull request #1096 from guochaorong/language_model_for_ce

language_model_for_ce

fluid/language_model/.run_ce.sh

+#!/bin/bash
+
+export MKL_NUM_THREADS=1
+export OMP_NUM_THREADS=1
+
+cudaid=${language_model:=0} # use 0-th card as default
+export CUDA_VISIBLE_DEVICES=$cudaid
+
+FLAGS_benchmark=true  python train.py | python _ce.py
+
+cudaid=${language_model_m:=0,1,2,3} # use 0,1,2,3 card as default
+export CUDA_VISIBLE_DEVICES=$cudaid
+
+FLAGS_benchmark=true  python train.py | python _ce.py

fluid/language_model/_ce.py

+# this file is only used for continuous evaluation test!
+
+import os
+import sys
+sys.path.append(os.environ['ceroot'])
+from kpi import CostKpi
+from kpi import DurationKpi
+
+imikolov_20_avg_ppl_kpi = CostKpi('imikolov_20_avg_ppl', 0.2, 0)
+imikolov_20_pass_duration_kpi = DurationKpi(
+    'imikolov_20_pass_duration', 0.02, 0, actived=True)
+imikolov_20_avg_ppl_kpi_card4 = CostKpi('imikolov_20_avg_ppl_card4', 0.2, 0)
+imikolov_20_pass_duration_kpi_card4 = DurationKpi(
+    'imikolov_20_pass_duration_card4', 0.03, 0, actived=True)
+
+tracking_kpis = [
+    imikolov_20_avg_ppl_kpi,
+    imikolov_20_pass_duration_kpi,
+    imikolov_20_avg_ppl_kpi_card4,
+    imikolov_20_pass_duration_kpi_card4,
+]
+
+
+def parse_log(log):
+    '''
+    This method should be implemented by model developers.
+
+    The suggestion:
+
+    each line in the log should be key, value, for example:
+
+    "
+    train_cost\t1.0
+    test_cost\t1.0
+    train_cost\t1.0
+    train_cost\t1.0
+    train_acc\t1.2
+    "
+    '''
+    for line in log.split('\n'):
+        fs = line.strip().split('\t')
+        print(fs)
+        if len(fs) == 3 and fs[0] == 'kpis':
+            kpi_name = fs[1]
+            kpi_value = float(fs[2])
+            yield kpi_name, kpi_value
+
+
+def log_to_ce(log):
+    kpi_tracker = {}
+    for kpi in tracking_kpis:
+        kpi_tracker[kpi.name] = kpi
+
+    for (kpi_name, kpi_value) in parse_log(log):
+        print(kpi_name, kpi_value)
+        kpi_tracker[kpi_name].add_record(kpi_value)
+        kpi_tracker[kpi_name].persist()
+
+
+if __name__ == '__main__':
+    log = sys.stdin.read()
+    log_to_ce(log)

fluid/language_model/train.py

+import os
 import sys
 import time
 
 import numpy as np
 import math
-
+import argparse
 import paddle.fluid as fluid
-import paddle.v2 as paddle
+import paddle
 
 import utils
 
+SEED = 102
+
+
+def parse_args():
+    parser = argparse.ArgumentParser("language_model benchmark.")
+    parser.add_argument(
+        '--enable_ce',
+        action='store_true',
+        help='If set, run \
+        the task with continuous evaluation logs.')
+    args = parser.parse_args()
+    return args
+
 
 def network(src, dst, vocab_size, hid_size, init_low_bound, init_high_bound):
     """ network definition """
@@ -63,31 +77,26 @@ def train(train_reader,
           init_low_bound=-0.04,
           init_high_bound=0.04):
     """ train network """
+
+    args = parse_args()
+    if args.enable_ce:
+        # random seed must set before configuring the network.
+        fluid.default_startup_program().random_seed = SEED
     vocab_size = len(vocab)
 
+    #Input data
     src_wordseq = fluid.layers.data(
         name="src_wordseq", shape=[1], dtype="int64", lod_level=1)
     dst_wordseq = fluid.layers.data(
         name="dst_wordseq", shape=[1], dtype="int64", lod_level=1)
 
+    # Train program
     avg_cost = None
-    if not parallel:
-        cost = network(src_wordseq, dst_wordseq, vocab_size, hid_size,
-                       init_low_bound, init_high_bound)
-        avg_cost = fluid.layers.mean(x=cost)
-    else:
-        places = fluid.layers.get_places()
-        pd = fluid.layers.ParallelDo(places)
-        with pd.do():
-            cost = network(
-                pd.read_input(src_wordseq),
-                pd.read_input(dst_wordseq), vocab_size, hid_size,
-                init_low_bound, init_high_bound)
-            pd.write_output(cost)
-
-        cost = pd()
-        avg_cost = fluid.layers.mean(x=cost)
+    cost = network(src_wordseq, dst_wordseq, vocab_size, hid_size,
+                   init_low_bound, init_high_bound)
+    avg_cost = fluid.layers.mean(x=cost)
 
+    # Optimization to minimize lost
     sgd_optimizer = fluid.optimizer.SGD(
         learning_rate=fluid.layers.exponential_decay(
             learning_rate=base_lr,
@@ -96,39 +105,56 @@ def train(train_reader,
             staircase=True))
     sgd_optimizer.minimize(avg_cost)
 
+    # Initialize executor
     place = fluid.CUDAPlace(0) if use_cuda else fluid.CPUPlace()
     exe = fluid.Executor(place)
-
     exe.run(fluid.default_startup_program())
+
+    train_exe = fluid.ParallelExecutor(use_cuda=True, loss_name=avg_cost.name)
+
     total_time = 0.0
+    fetch_list = [avg_cost.name]
     for pass_idx in xrange(pass_num):
         epoch_idx = pass_idx + 1
         print "epoch_%d start" % epoch_idx
 
         t0 = time.time()
         i = 0
+        newest_ppl = 0
         for data in train_reader():
             i += 1
             lod_src_wordseq = utils.to_lodtensor(
                 map(lambda x: x[0], data), place)
             lod_dst_wordseq = utils.to_lodtensor(
                 map(lambda x: x[1], data), place)
-            ret_avg_cost = exe.run(fluid.default_main_program(),
-                                   feed={
-                                       "src_wordseq": lod_src_wordseq,
-                                       "dst_wordseq": lod_dst_wordseq
-                                   },
-                                   fetch_list=[avg_cost],
-                                   use_program_cache=True)
-            avg_ppl = math.exp(ret_avg_cost[0])
+            ret_avg_cost = train_exe.run(feed={
+                "src_wordseq": lod_src_wordseq,
+                "dst_wordseq": lod_dst_wordseq
+            },
+                                         fetch_list=fetch_list)
+            avg_ppl = np.exp(ret_avg_cost[0])
+            newest_ppl = np.mean(avg_ppl)
             if i % 100 == 0:
-                print "step:%d ppl:%.3f" % (i, avg_ppl)
+                print "step:%d ppl:%.3f" % (i, newest_ppl)
 
         t1 = time.time()
         total_time += t1 - t0
         print "epoch:%d num_steps:%d time_cost(s):%f" % (epoch_idx, i,
                                                          total_time / epoch_idx)
 
+        if pass_idx == pass_num - 1 and args.enable_ce:
+            #Note: The following logs are special for CE monitoring.
+            #Other situations do not need to care about these logs.
+            gpu_num = get_cards()
+            if gpu_num == 1:
+                print("kpis	imikolov_20_pass_duration	%s" %
+                      (total_time / epoch_idx))
+                print("kpis	imikolov_20_avg_ppl	%s" % newest_ppl)
+            else:
+                print("kpis	imikolov_20_pass_duration_card%s	%s" % \
+                                (gpu_num, total_time / epoch_idx))
+                print("kpis	imikolov_20_avg_ppl_card%s	%s" %
+                      (gpu_num, newest_ppl))
         save_dir = "%s/epoch_%d" % (model_dir, epoch_idx)
         feed_var_names = ["src_wordseq", "dst_wordseq"]
         fetch_vars = [avg_cost]
@@ -138,11 +164,22 @@ def train(train_reader,
     print("finish training")
 
 
+def get_cards(enable_ce):
+    if enable_ce:
+        cards = os.environ.get('CUDA_VISIBLE_DEVICES')
+        num = len(cards.split(","))
+        return num
+    else:
+        return fluid.core.get_cuda_device_count()
+
+
 def train_net():
     """ do training """
     batch_size = 20
+    args = parse_args()
     vocab, train_reader, test_reader = utils.prepare_data(
-        batch_size=batch_size, buffer_size=1000, word_freq_threshold=0)
+        batch_size=batch_size * get_cards(args.enable_ce), buffer_size=1000, \
+        word_freq_threshold=0, enable_ce = args.enable_ce)
     train(
         train_reader=train_reader,
         vocab=vocab,
@@ -152,7 +189,7 @@ def train_net():
         batch_size=batch_size,
         pass_num=12,
         use_cuda=True,
-        parallel=False,
+        parallel=True,
         model_dir="model",
         init_low_bound=-0.1,
         init_high_bound=0.1)

fluid/language_model/utils.py

@@ -3,7 +3,7 @@ import time
 import numpy as np
 
 import paddle.fluid as fluid
-import paddle.v2 as paddle
+import paddle
 
 
 def to_lodtensor(data, place):
@@ -22,17 +22,28 @@ def to_lodtensor(data, place):
     return res
 
 
-def prepare_data(batch_size, buffer_size=1000, word_freq_threshold=0):
+def prepare_data(batch_size,
+                 buffer_size=1000,
+                 word_freq_threshold=0,
+                 enable_ce=False):
     """ prepare the English Pann Treebank (PTB) data """
     vocab = paddle.dataset.imikolov.build_dict(word_freq_threshold)
-    train_reader = paddle.batch(
-        paddle.reader.shuffle(
+    if enable_ce:
+        train_reader = paddle.batch(
             paddle.dataset.imikolov.train(
                 vocab,
                 buffer_size,
                 data_type=paddle.dataset.imikolov.DataType.SEQ),
-            buf_size=buffer_size),
-        batch_size)
+            batch_size)
+    else:
+        train_reader = paddle.batch(
+            paddle.reader.shuffle(
+                paddle.dataset.imikolov.train(
+                    vocab,
+                    buffer_size,
+                    data_type=paddle.dataset.imikolov.DataType.SEQ),
+                buf_size=buffer_size),
+            batch_size)
     test_reader = paddle.batch(
         paddle.dataset.imikolov.test(
             vocab, buffer_size, data_type=paddle.dataset.imikolov.DataType.SEQ),