mass eval mertric update.

model_zoo/faster_rcnn/eval.py

@@ -40,7 +40,7 @@ parser.add_argument("--checkpoint_path", type=str, required=True, help="Checkpoi
 parser.add_argument("--device_id", type=int, default=0, help="Device id, default is 0.")
 args_opt = parser.parse_args()
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=True, device_id=args_opt.device_id)
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
 
 def FasterRcnn_eval(dataset_path, ckpt_path, ann_file):
     """FasterRcnn evaluation."""

model_zoo/faster_rcnn/src/FasterRcnn/fpn_neck.py

@@ -22,7 +22,7 @@ from mindspore.common.tensor import Tensor
 from mindspore.common import dtype as mstype
 from mindspore.common.initializer import initializer
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=True)
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
 def bias_init_zeros(shape):
     """Bias init method."""

model_zoo/faster_rcnn/src/FasterRcnn/proposal_generator.py

@@ -22,7 +22,7 @@ from mindspore import Tensor
 from mindspore import context
 
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=True)
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
 
 class Proposal(nn.Cell):

model_zoo/faster_rcnn/src/FasterRcnn/resnet50.py

@@ -22,7 +22,7 @@ from mindspore.ops import functional as F
 from mindspore import context
 
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=True)
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend")
 
 
 def weight_init_ones(shape):

model_zoo/faster_rcnn/train.py

@@ -52,7 +52,7 @@ parser.add_argument("--device_num", type=int, default=1, help="Use device nums,
 parser.add_argument("--rank_id", type=int, default=0, help="Rank id, default is 0.")
 args_opt = parser.parse_args()
 
-context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", save_graphs=True, device_id=args_opt.device_id)
+context.set_context(mode=context.GRAPH_MODE, device_target="Ascend", device_id=args_opt.device_id)
 
 if __name__ == '__main__':
     if not args_opt.do_eval and args_opt.run_distribute:

model_zoo/mass/eval.py

@@ -15,15 +15,13 @@
 """Evaluation api."""
 import argparse
 import pickle
-import numpy as np
 
 from mindspore.common import dtype as mstype
 
 from config import TransformerConfig
-from src.transformer import infer
-from src.utils import ngram_ppl
+from src.transformer import infer, infer_ppl
 from src.utils import Dictionary
-from src.utils import rouge
+from src.utils import get_score
 
 parser = argparse.ArgumentParser(description='Evaluation MASS.')
 parser.add_argument("--config", type=str, required=True,
@@ -32,6 +30,8 @@ parser.add_argument("--vocab", type=str, required=True,
                     help="Vocabulary to use.")
 parser.add_argument("--output", type=str, required=True,
                     help="Result file path.")
+parser.add_argument("--metric", type=str, default='rouge',
+                    help='Set eval method.')
 
 
 def get_config(config):
@@ -45,31 +45,15 @@ if __name__ == '__main__':
     args, _ = parser.parse_known_args()
     vocab = Dictionary.load_from_persisted_dict(args.vocab)
     _config = get_config(args.config)
-    result = infer(_config)
+
+    if args.metric == 'rouge':
+        result = infer(_config)
+    else:
+        result = infer_ppl(_config)
+
     with open(args.output, "wb") as f:
         pickle.dump(result, f, 1)
 
-    ppl_score = 0.
-    preds = []
-    tgts = []
-    _count = 0
-    for sample in result:
-        sentence_prob = np.array(sample['prediction_prob'], dtype=np.float32)
-        sentence_prob = sentence_prob[:, 1:]
-        _ppl = []
-        for path in sentence_prob:
-            _ppl.append(ngram_ppl(path, log_softmax=True))
-        ppl = np.min(_ppl)
-        preds.append(' '.join([vocab[t] for t in sample['prediction']]))
-        tgts.append(' '.join([vocab[t] for t in sample['target']]))
-        print(f" | source: {' '.join([vocab[t] for t in sample['source']])}")
-        print(f" | target: {tgts[-1]}")
-        print(f" | prediction: {preds[-1]}")
-        print(f" | ppl: {ppl}.")
-        if np.isinf(ppl):
-            continue
-        ppl_score += ppl
-        _count += 1
-
-    print(f" | PPL={ppl_score / _count}.")
-    rouge(preds, tgts)
+    # get score by given metric
+    score = get_score(result, vocab, metric=args.metric)
+    print(score)

model_zoo/mass/scripts/run.sh

@@ -18,7 +18,7 @@ export DEVICE_ID=0
 export RANK_ID=0
 export RANK_SIZE=1
 
-options=`getopt -u -o ht:n:i:j:c:o:v: -l help,task:,device_num:,device_id:,hccl_json:,config:,output:,vocab: -- "$@"`
+options=`getopt -u -o ht:n:i:j:c:o:v:m: -l help,task:,device_num:,device_id:,hccl_json:,config:,output:,vocab:,metric: -- "$@"`
 eval set -- "$options"
 echo $options
 
@@ -35,6 +35,7 @@ echo_help()
   echo "        -c --config              set the configuration file"
   echo "        -o --output              set the output file of inference"
   echo "        -v --vocab               set the vocabulary"
+  echo "        -m --metric              set the metric"
 }
 
 set_hccl_json()
@@ -43,8 +44,8 @@ set_hccl_json()
   do
     if [[ "$1" == "-j" || "$1"  == "--hccl_json" ]]
     then
-      export MINDSPORE_HCCL_CONFIG_PATH=$2 #/data/wsc/hccl_2p_01.json
-      export RANK_TABLE_FILE=$2 #/data/wsc/hccl_2p_01.json
+      export MINDSPORE_HCCL_CONFIG_PATH=$2
+      export RANK_TABLE_FILE=$2
       break
     fi
     shift
@@ -119,6 +120,11 @@ do
     vocab=$2
     shift 2
     ;;
+  -m|--metric)
+    echo "metric";
+    metric=$2
+    shift 2
+    ;;
   --)
     shift
     break
@@ -163,7 +169,7 @@ do
     python train.py --config ${configurations##*/} >>log.log 2>&1 &
   elif [ "$task" == "infer" ]
   then
-    python eval.py --config ${configurations##*/} --output ${output} --vocab ${vocab##*/} >>log_infer.log 2>&1 &
+    python eval.py --config ${configurations##*/} --output ${output} --vocab ${vocab##*/} --metric ${metric} >>log_infer.log 2>&1 &
   fi
   cd ../
 done

model_zoo/mass/src/transformer/__init__.py

@@ -19,10 +19,11 @@ from .decoder import TransformerDecoder
 from .beam_search import BeamSearchDecoder
 from .transformer_for_train import TransformerTraining, LabelSmoothedCrossEntropyCriterion, \
     TransformerNetworkWithLoss, TransformerTrainOneStepWithLossScaleCell
-from .infer_mass import infer
+from .infer_mass import infer, infer_ppl
 
 __all__ = [
     "infer",
+    "infer_ppl",
     "TransformerTraining",
     "LabelSmoothedCrossEntropyCriterion",
     "TransformerTrainOneStepWithLossScaleCell",

model_zoo/mass/src/transformer/embedding.py

@@ -41,7 +41,7 @@ class EmbeddingLookup(nn.Cell):
         self.vocab_size = vocab_size
         self.use_one_hot_embeddings = use_one_hot_embeddings
 
-        init_weight = np.random.normal(0, embed_dim ** -0.5, size=[vocab_size, embed_dim])
+        init_weight = np.random.normal(0, embed_dim ** -0.5, size=[vocab_size, embed_dim]).astype(np.float32)
         # 0 is Padding index, thus init it as 0.
         init_weight[0, :] = 0
         self.embedding_table = Parameter(Tensor(init_weight),

model_zoo/mass/src/transformer/infer_mass.py

@@ -17,13 +17,16 @@ import time
 
 import mindspore.nn as nn
 import mindspore.common.dtype as mstype
+from mindspore.ops import operations as P
 from mindspore.common.tensor import Tensor
 from mindspore.train.model import Model
+from mindspore.train.serialization import load_checkpoint, load_param_into_net
 
 from mindspore import context
 
 from src.dataset import load_dataset
 from .transformer_for_infer import TransformerInferModel
+from .transformer_for_train import TransformerTraining
 from ..utils.load_weights import load_infer_weights
 
 context.set_context(
@@ -156,3 +159,129 @@ def infer(config):
                                 shuffle=False) if config.test_dataset else None
     prediction = transformer_infer(config, eval_dataset)
     return prediction
+
+
+class TransformerInferPPLCell(nn.Cell):
+    """
+    Encapsulation class of transformer network infer for PPL.
+
+    Args:
+        config(TransformerConfig): Config.
+
+    Returns:
+        Tuple[Tensor, Tensor], predicted log prob and label lengths.
+    """
+    def __init__(self, config):
+        super(TransformerInferPPLCell, self).__init__()
+        self.transformer = TransformerTraining(config, is_training=False, use_one_hot_embeddings=False)
+        self.batch_size = config.batch_size
+        self.vocab_size = config.vocab_size
+        self.one_hot = P.OneHot()
+        self.on_value = Tensor(float(1), mstype.float32)
+        self.off_value = Tensor(float(0), mstype.float32)
+        self.reduce_sum = P.ReduceSum()
+        self.reshape = P.Reshape()
+        self.cast = P.Cast()
+        self.flat_shape = (config.batch_size * config.seq_length,)
+        self.batch_shape = (config.batch_size, config.seq_length)
+        self.last_idx = (-1,)
+
+    def construct(self,
+                  source_ids,
+                  source_mask,
+                  target_ids,
+                  target_mask,
+                  label_ids,
+                  label_mask):
+        """Defines the computation performed."""
+
+        predicted_log_probs = self.transformer(source_ids, source_mask, target_ids, target_mask)
+        label_ids = self.reshape(label_ids, self.flat_shape)
+        label_mask = self.cast(label_mask, mstype.float32)
+        one_hot_labels = self.one_hot(label_ids, self.vocab_size, self.on_value, self.off_value)
+
+        label_log_probs = self.reduce_sum(predicted_log_probs * one_hot_labels, self.last_idx)
+        label_log_probs = self.reshape(label_log_probs, self.batch_shape)
+        log_probs = label_log_probs * label_mask
+        lengths = self.reduce_sum(label_mask, self.last_idx)
+
+        return log_probs, lengths
+
+
+def transformer_infer_ppl(config, dataset):
+    """
+    Run infer with Transformer for PPL.
+
+    Args:
+        config (TransformerConfig): Config.
+        dataset (Dataset): Dataset.
+
+    Returns:
+        List[Dict], prediction, each example has 4 keys, "source",
+        "target", "log_prob" and "length".
+    """
+    tfm_infer = TransformerInferPPLCell(config=config)
+    tfm_infer.init_parameters_data()
+
+    parameter_dict = load_checkpoint(config.existed_ckpt)
+    load_param_into_net(tfm_infer, parameter_dict)
+
+    model = Model(tfm_infer)
+
+    log_probs = []
+    lengths = []
+    source_sentences = []
+    target_sentences = []
+    for batch in dataset.create_dict_iterator():
+        source_sentences.append(batch["source_eos_ids"])
+        target_sentences.append(batch["target_eos_ids"])
+
+        source_ids = Tensor(batch["source_eos_ids"], mstype.int32)
+        source_mask = Tensor(batch["source_eos_mask"], mstype.int32)
+        target_ids = Tensor(batch["target_sos_ids"], mstype.int32)
+        target_mask = Tensor(batch["target_sos_mask"], mstype.int32)
+        label_ids = Tensor(batch["target_eos_ids"], mstype.int32)
+        label_mask = Tensor(batch["target_eos_mask"], mstype.int32)
+
+        start_time = time.time()
+        log_prob, length = model.predict(source_ids, source_mask, target_ids, target_mask, label_ids, label_mask)
+        print(f" | Batch size: {config.batch_size}, "
+              f"Time cost: {time.time() - start_time}.")
+
+        log_probs.append(log_prob.asnumpy())
+        lengths.append(length.asnumpy())
+
+    output = []
+    for inputs, ref, log_prob, length in zip(source_sentences,
+                                             target_sentences,
+                                             log_probs,
+                                             lengths):
+        for i in range(config.batch_size):
+            example = {
+                "source": inputs[i].tolist(),
+                "target": ref[i].tolist(),
+                "log_prob": log_prob[i].tolist(),
+                "length": length[i]
+            }
+            output.append(example)
+
+    return output
+
+
+def infer_ppl(config):
+    """
+    Transformer infer PPL api.
+
+    Args:
+        config (TransformerConfig): Config.
+
+    Returns:
+        list, result with
+    """
+    eval_dataset = load_dataset(data_files=config.test_dataset,
+                                batch_size=config.batch_size,
+                                epoch_count=1,
+                                sink_mode=config.dataset_sink_mode,
+                                shuffle=False) if config.test_dataset else None
+    prediction = transformer_infer_ppl(config, eval_dataset)
+    return prediction

model_zoo/mass/src/utils/__init__.py

@@ -20,6 +20,7 @@ from .loss_monitor import LossCallBack
 from .byte_pair_encoding import bpe_encode
 from .initializer import zero_weight, one_weight, normal_weight, weight_variable
 from .rouge_score import rouge
+from .eval_score import get_score
 
 __all__ = [
     "Dictionary",
@@ -31,5 +32,6 @@ __all__ = [
     "one_weight",
     "zero_weight",
     "normal_weight",
-    "weight_variable"
+    "weight_variable",
+    "get_score"
 ]

model_zoo/mass/src/utils/eval_score.py

@@ -0,0 +1,92 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# 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.
+# ============================================================================
+"""Get score by given metric."""
+from .ppl_score import ngram_ppl
+from .rouge_score import rouge
+
+
+def get_ppl_score(result):
+    """
+    Calculate Perplexity(PPL) score.
+
+    Args:
+        List[Dict], prediction, each example has 4 keys, "source",
+        "target", "log_prob" and "length".
+
+    Returns:
+        Float, ppl score.
+    """
+    log_probs = []
+    total_length = 0
+
+    for sample in result:
+        log_prob = sample['log_prob']
+        length = sample['length']
+        log_probs.extend(log_prob)
+        total_length += length
+
+        print(f" | log_prob:{log_prob}")
+        print(f" | length:{length}")
+
+    ppl = ngram_ppl(log_probs, total_length, log_softmax=True)
+    print(f" | final PPL={ppl}.")
+    return ppl
+
+
+def get_rouge_score(result, vocab):
+    """
+    Calculate ROUGE score.
+
+    Args:
+        List[Dict], prediction, each example has 4 keys, "source",
+        "target", "prediction" and "prediction_prob".
+        Dictionary, dict instance.
+
+    retur:
+        Str, rouge score.
+    """
+
+    predictions = []
+    targets = []
+    for sample in result:
+        predictions.append(' '.join([vocab[t] for t in sample['prediction']]))
+        targets.append(' '.join([vocab[t] for t in sample['target']]))
+        print(f" | source: {' '.join([vocab[t] for t in sample['source']])}")
+        print(f" | target: {targets[-1]}")
+
+    return rouge(predictions, targets)
+
+
+def get_score(result, vocab=None, metric='rouge'):
+    """
+    Get eval score.
+
+    Args:
+        List[Dict], prediction.
+        Dictionary, dict instance.
+        Str, metric function, default is rouge.
+
+    Return:
+        Str, Score.
+    """
+    score = None
+    if metric == 'rouge':
+        score = get_rouge_score(result, vocab)
+    elif metric == 'ppl':
+        score = get_ppl_score(result)
+    else:
+        print(f" |metric not in (rouge, ppl)")
+
+    return score

model_zoo/mass/src/utils/ppl_score.py

@@ -17,10 +17,7 @@ from typing import Union
 
 import numpy as np
 
-NINF = -1.0 * 1e9
-
-
-def ngram_ppl(prob: Union[np.ndarray, list], log_softmax=False, index: float = np.e):
+def ngram_ppl(prob: Union[np.ndarray, list], length: int, log_softmax=False, index: float = np.e):
     """
     Calculate Perplexity(PPL) score under N-gram language model.
 
@@ -39,7 +36,8 @@ def ngram_ppl(prob: Union[np.ndarray, list], log_softmax=False, index: float = n
     Returns:
         float, ppl score.
     """
-    eps = 1e-8
+    if not length:
+        return np.inf
     if not isinstance(prob, (np.ndarray, list)):
         raise TypeError("`prob` must be type of list or np.ndarray.")
     if not isinstance(prob, np.ndarray):
@@ -47,18 +45,17 @@ def ngram_ppl(prob: Union[np.ndarray, list], log_softmax=False, index: float = n
     if prob.shape[0] == 0:
         raise ValueError("`prob` length must greater than 0.")
 
-    p = 1.0
-    sen_len = 0
-    for t in range(prob.shape[0]):
-        s = prob[t]
-        if s <= NINF:
-            break
-        if log_softmax:
-            s = np.power(index, s)
-        p *= (1 / (s + eps))
-        sen_len += 1
+    print(f'length:{length}, log_prob:{prob}')
 
-    if sen_len == 0:
-        return np.inf
+    if log_softmax:
+        prob = np.sum(prob) / length
+        ppl = 1. / np.power(index, prob)
+        print(f'avg log prob:{prob}')
+    else:
+        p = 1.
+        for i in range(prob.shape[0]):
+            p *= (1. / prob[i])
+        ppl = pow(p, 1 / length)
 
-    return pow(p, 1 / sen_len)
+    print(f'ppl val:{ppl}')
+    return ppl