在 Tensorflow 中,是否可以将一些摘要附加到已合并的 summary_op 中? [英] In Tensorflow, is it possible to append some summaries to already-merged summary_op?
问题描述
比方说,一些内置函数返回 train_op
和 summary_op
其中 summary_op
由 tf.summary.merge(summaries, name='summary_op')
,我无法触及该功能.
Let's say, some built-in function returns train_op
and summary_op
where summary_op
is defined by tf.summary.merge(summaries, name='summary_op')
, and I cannot touch the function.
另外,假设我将使用内置的 slim.learning.train
,它以 train_op
和 summary_op
作为输入参数.
Also, let's say, I am going to use the built-in slim.learning.train
which takes train_op
and summary_op
as input arguments.
# -- typical
train_op, summary_op = model_fn(image)
slim.learning.train(train_op, summary_op=summary_op)
# -- my question
train_op, summary_op = model_fn(image)
some_other_summary_list = some_another_function()
summary_op_ = ... # is it possible to append some_other_summary_list to summary_op?
slim.learning.train(train_op, summary_op=summary_op_)
如何将已合并的summary_op
中的摘要与新收集的摘要some_other_summary_list
合并?
How I can combine summaries in already-merged summary_op
and newly-collected summaries some_other_summary_list
?
-- 如果我这样做 tf.merge_all(tf.GraphKeys.SUMMARIES)
实际上会有太多的摘要,因为在 model_fn()
中只收集有用和必要的总结.
-- If I do tf.merge_all(tf.GraphKeys.SUMMARIES)
actually there will be too many summaries since, in model_fn()
collect only useful and necessary summaries.
-- 我可以考虑定义单独的 summary_op2
并将 train_step_fn
定义为:
-- I can think of defining separate summary_op2
and define train_step_fn
as in:
from tensorflow.contrib.slim.python.slim.learning import train_step
def train_step_fn(...):
... = train_step(...)
if iteration % 100 == 0:
summaries = session.run(summary_op2)
summary_writer.add_summary(summaries, iteration)
slim.learning.train(train_op, summary_op=summary_op, train_step_fn=train_step_fn)
然而,如果我能以某种方式简单地将新摘要附加到 summary_op
,这似乎太过分了.可能吗?
However, this seems too much if I can simply somehow append new summaries to summary_op
. Is it possible?
推荐答案
如果summary_op
和新收集的summaries some_other_summary_list
"都是由 tf.summary.merge
,你可以简单地通过 tf.summary.merge([summary_op, summaries some_other_summary_list])
再次合并它们,如下代码所示:
If both "summary_op
and newly-collected summaries some_other_summary_list
" are created by tf.summary.merge
, you can simply merge them again by tf.summary.merge([summary_op, summaries some_other_summary_list])
, as demonstrated by this code:
import tensorflow as tf
a = tf.summary.scalar('a', tf.constant(0))
b = tf.summary.scalar('b', tf.constant(1))
c = tf.summary.scalar('c', tf.constant(2))
d = tf.summary.scalar('d', tf.constant(3))
ab = tf.summary.merge([a, b])
cd = tf.summary.merge([c, d])
abcd = tf.summary.merge([ab, cd])
with tf.Session() as sess:
writer = tf.summary.FileWriter('.', sess.graph)
summary = sess.run(abcd)
writer.add_summary(summary)
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