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体验新版 GitCode,发现更多精彩内容 >>
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08fb079d
编写于
11月 30, 2020
作者:
L
lilong12
提交者:
GitHub
11月 30, 2020
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Fix the doc for shard_index api (#29183)
* update, test=develop
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python/paddle/fluid/layers/nn.py
python/paddle/fluid/layers/nn.py
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python/paddle/fluid/layers/nn.py
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08fb079d
...
@@ -14696,9 +14696,10 @@ def deformable_roi_pooling(input,
...
@@ -14696,9 +14696,10 @@ def deformable_roi_pooling(input,
return output
return output
@deprecated(since="2.0.0", update_to="paddle.shard_index")
def shard_index(input, index_num, nshards, shard_id, ignore_value=-1):
def shard_index(input, index_num, nshards, shard_id, ignore_value=-1):
"""
"""
This operator recomputes
the `input` indices according to the offset of the
Recompute
the `input` indices according to the offset of the
shard. The length of the indices is evenly divided into N shards, and if
shard. The length of the indices is evenly divided into N shards, and if
the `shard_id` matches the shard with the input index inside, the index is
the `shard_id` matches the shard with the input index inside, the index is
recomputed on the basis of the shard offset, elsewise it is set to
recomputed on the basis of the shard offset, elsewise it is set to
...
@@ -14711,44 +14712,27 @@ def shard_index(input, index_num, nshards, shard_id, ignore_value=-1):
...
@@ -14711,44 +14712,27 @@ def shard_index(input, index_num, nshards, shard_id, ignore_value=-1):
NOTE: If the length of indices cannot be evely divided by the shard number,
NOTE: If the length of indices cannot be evely divided by the shard number,
the size of the last shard will be less than the calculated `shard_size`
the size of the last shard will be less than the calculated `shard_size`
Examples:
::
Input:
X.shape = [4, 1]
X.data = [[1], [6], [12], [19]]
index_num = 20
nshards = 2
ignore_value = -1
if shard_id == 0, we get:
Out.shape = [4, 1]
Out.data = [[1], [6], [-1], [-1]]
if shard_id == 1, we get:
Out.shape = [4, 1]
Out.data = [[-1], [-1], [2], [9]]
Args:
Args:
- **input** (Variable): Input indices,
last dimension must be 1.
input (Tensor): Input indices with data type int64. It's
last dimension must be 1.
- **index_num** (scalar
): An integer defining the range of the index.
index_num (int
): An integer defining the range of the index.
- **nshards** (scalar): The number of shards
nshards (int): The number of shards.
- **shard_id** (scalar): The index of the current shard
shard_id (int): The index of the current shard.
- **ignore_value** (scalar): An integer value out of sharded index range
ignore_value (int): An integer value out of sharded index range.
Returns:
Returns:
Variable
: The sharded index of input.
Tensor
: The sharded index of input.
Examples:
Examples:
.. code-block:: python
.. code-block:: python
import paddle.fluid as fluid
import paddle
batch_size = 32
label = paddle.to_tensor([[16], [1]], "int64")
label = fluid.data(name="label", shape=[batch_size, 1], dtype="int64")
shard_label = paddle.shard_index(input=label,
shard_label = fluid.layers.shard_index(input=label,
index_num=20,
index_num=20,
nshards=2,
nshards=2,
shard_id=0)
shard_id=0)
print(shard_label)
# [[-1], [1]]
"""
"""
check_variable_and_dtype(input, 'input', ['int64'], 'shard_index')
check_variable_and_dtype(input, 'input', ['int64'], 'shard_index')
op_type = 'shard_index'
op_type = 'shard_index'
...
...
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