比较与tf.random.uniform_candidate_sampler的功能差异

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tf.random.uniform_candidate_sampler

tf.random.uniform_candidate_sampler(
    true_classes,
    num_true,
    num_sampled,
    unique,
    range_max,
    seed=None,
    name=None
)(sampled_candidates, true_expected_count, sampled_expected_count)  -> Tuple

更多内容详见tf.random.uniform_candidate_sampler

mindspore.ops.uniform_candidate_sampler

mindspore.ops.uniform_candidate_sampler(
    true_classes,
    num_true,
    num_sampled,
    unique,
    range_max,
    seed=0,
    remove_accidental_hits=False
)(sampled_candidates, true_expected_count, sampled_expected_count) -> Tuple

更多内容详见mindspore.ops.uniform_candidate_sampler

差异对比

TensorFlow:使用均匀分布对一组内别进行采样,返回三个Tensor。

MindSpore:MindSpore此API实现功能与TensorFlow一致,部分参数名不同。

分类

子类

TensorFlow

MindSpore

差异

参数

参数1

true_classes

true_classes

-

参数2

num_true

num_true

-

参数3

num_sampled

num_sampled

-

参数4

unique

unique

-

参数5

range_max

range_max

-

参数6

seed

seed

-

参数7

-

remove_accidental_hits

表示是否移除accidental hit。默认值:False

参数8

name

-

不涉及

返回参数

参数1

sampled_candidates

sampled_candidates

-

参数2

true_expected_count

true_expected_count

-

参数3

sampled_expected_count

sampled_expected_count

-

代码示例1

MindSpore和TensorFlow输出结果一致。

# TensorFlow
import tensorflow as tf
import numpy as np

data = tf.constant(np.random.rand(5, 3), dtype=tf.int64)
out1, out2, out3 = tf.random.uniform_candidate_sampler(data, 3, 3, False, 5, 0)
print(out1.shape)
# (3,)
print(out2.shape)
# (5, 3)
print(out3.shape)
# (3,)

# MindSpore
import mindspore
import numpy as np
from mindspore.ops import function as ops
from mindspore import Tensor

data = Tensor(np.random.rand(5, 3), mindspore.int64)
out1, out2, out3 = ops.uniform_candidate_sampler(data, 3, 3, False, 5, 0)
print(out1.shape)
# (3,)
print(out2.shape)
# (5, 3)
print(out3.shape)
# (3,)