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体验新版 GitCode,发现更多精彩内容 >>
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bf298439
编写于
10月 18, 2018
作者:
T
Taylor Robie
提交者:
GitHub
10月 18, 2018
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电子邮件补丁
差异文件
fix error when last shard is not assigned a batch (#5569)
上级
19d4eaaf
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+7
-1
official/recommendation/data_async_generation.py
official/recommendation/data_async_generation.py
+7
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未找到文件。
official/recommendation/data_async_generation.py
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bf298439
...
...
@@ -206,7 +206,9 @@ def _construct_records(
num_workers: Number of multiprocessing workers to use for negative
generation.
cache_paths: Paths object with information of where to write files.
num_readers: The number of reader datasets in the input_fn.
num_readers: The number of reader datasets in the input_fn. This number is
approximate; fewer shards will be created if not all shards are assigned
batches. This can occur due to discretization in the assignment process.
num_neg: The number of false negatives per positive example.
num_positives: The number of positive examples. This value is used
to pre-allocate arrays while the imap is still running. (NumPy does not
...
...
@@ -307,6 +309,10 @@ def _construct_records(
break
batches_by_file
[
current_file_id
].
append
(
current_batch_id
)
# Drop shards which were not assigned batches
batches_by_file
=
[
i
for
i
in
batches_by_file
if
i
]
num_readers
=
len
(
batches_by_file
)
if
is_training
:
# Empirically it is observed that placing the batch with repeated values at
# the start rather than the end improves convergence.
...
...
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