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体验新版 GitCode,发现更多精彩内容 >>
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8746725a
编写于
6月 19, 2018
作者:
F
fengjiayi
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1 changed file
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16 addition
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15 deletion
+16
-15
python/paddle/fluid/io.py
python/paddle/fluid/io.py
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python/paddle/fluid/io.py
浏览文件 @
8746725a
...
@@ -407,7 +407,7 @@ def load_vars(executor,
...
@@ -407,7 +407,7 @@ def load_vars(executor,
def
load_params
(
executor
,
dirname
,
main_program
=
None
,
filename
=
None
):
def
load_params
(
executor
,
dirname
,
main_program
=
None
,
filename
=
None
):
"""
"""
This function filters out all parameters from the give `main_program`
This function filters out all parameters from the give `main_program`
and then try to load these parameters from the folder `dirname` or
and then try
s
to load these parameters from the folder `dirname` or
the file `filename`.
the file `filename`.
Use the `dirname` to specify the folder where parameters were saved. If
Use the `dirname` to specify the folder where parameters were saved. If
...
@@ -586,6 +586,7 @@ def save_inference_model(dirname,
...
@@ -586,6 +586,7 @@ def save_inference_model(dirname,
Examples:
Examples:
.. code-block:: python
.. code-block:: python
exe = fluid.Executor(fluid.CPUPlace())
exe = fluid.Executor(fluid.CPUPlace())
path = "./infer_model"
path = "./infer_model"
fluid.io.save_inference_model(dirname=path, feeded_var_names=['img'],
fluid.io.save_inference_model(dirname=path, feeded_var_names=['img'],
...
@@ -693,7 +694,7 @@ def load_inference_model(dirname,
...
@@ -693,7 +694,7 @@ def load_inference_model(dirname,
feed={feed_target_names[0]: tensor_img},
feed={feed_target_names[0]: tensor_img},
fetch_list=fetch_targets)
fetch_list=fetch_targets)
# In this exsample, the inference program
i
s saved in the
# In this exsample, the inference program
wa
s saved in the
# "./infer_model/__model__" and parameters were saved in
# "./infer_model/__model__" and parameters were saved in
# separate files in ""./infer_model".
# separate files in ""./infer_model".
# After getting inference program, feed target names and
# After getting inference program, feed target names and
...
@@ -804,20 +805,20 @@ def save_checkpoint(executor,
...
@@ -804,20 +805,20 @@ def save_checkpoint(executor,
trainer_args
=
None
,
trainer_args
=
None
,
main_program
=
None
,
main_program
=
None
,
max_num_checkpoints
=
3
):
max_num_checkpoints
=
3
):
"""
"
"""
This function filters out all checkpoint variables from the give
This function filters out all checkpoint variables from the give
main_program and then saves these variables to the
'checkpoint_dir'
main_program and then saves these variables to the
`checkpoint_dir`
directory.
directory.
In the training precess, we generally save a checkpoint in each
In the training precess, we generally save a checkpoint in each
iteration. So there might be a lot of checkpoints in the
iteration. So there might be a lot of checkpoints in the
'checkpoint_dir'
. To avoid them taking too much disk space, the
`checkpoint_dir`
. To avoid them taking too much disk space, the
`max_num_checkpoints` are introduced to limit the total number of
`max_num_checkpoints` are introduced to limit the total number of
checkpoints. If the number of existing checkpints is greater than
checkpoints. If the number of existing checkpints is greater than
the `max_num_checkpoints`,
the
oldest ones will be scroll deleted.
the `max_num_checkpoints`, oldest ones will be scroll deleted.
A variable is a checkpoint variable and will be
load
ed if it meets
A variable is a checkpoint variable and will be
sav
ed if it meets
all
the
following conditions:
all following conditions:
1. It's persistable.
1. It's persistable.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
3. It's name contains no "@GRAD" nor ".trainer_" nor ".block".
3. It's name contains no "@GRAD" nor ".trainer_" nor ".block".
...
@@ -882,16 +883,16 @@ def load_checkpoint(executor, checkpoint_dir, serial, main_program):
...
@@ -882,16 +883,16 @@ def load_checkpoint(executor, checkpoint_dir, serial, main_program):
"""
"""
This function filters out all checkpoint variables from the give
This function filters out all checkpoint variables from the give
main_program and then try to load these variables from the
main_program and then try to load these variables from the
'checkpoint_dir'
directory.
`checkpoint_dir`
directory.
In the training precess, we generally save a checkpoint in each
In the training precess, we generally save a checkpoint in each
iteration. So there are more than one checkpoint in the
iteration. So there are more than one checkpoint in the
'checkpoint_dir'
(each checkpoint has its own sub folder), use
`checkpoint_dir`
(each checkpoint has its own sub folder), use
'serial'
to specify which serial of checkpoint you would like to
`serial`
to specify which serial of checkpoint you would like to
load.
load.
A variable is a checkpoint variable and will be loaded if it meets
A variable is a checkpoint variable and will be loaded if it meets
all
the
following conditions:
all following conditions:
1. It's persistable.
1. It's persistable.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
3. It's name contains no "@GRAD" nor ".trainer_" nor ".block".
3. It's name contains no "@GRAD" nor ".trainer_" nor ".block".
...
@@ -962,9 +963,9 @@ def load_persist_vars_without_grad(executor,
...
@@ -962,9 +963,9 @@ def load_persist_vars_without_grad(executor,
has_model_dir
=
False
):
has_model_dir
=
False
):
"""
"""
This function filters out all checkpoint variables from the give
This function filters out all checkpoint variables from the give
program and then try to load these variables from the given directory.
program and then try
s
to load these variables from the given directory.
A variable is a checkpoint variable if it meets all
the
following
A variable is a checkpoint variable if it meets all following
conditions:
conditions:
1. It's persistable.
1. It's persistable.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
...
@@ -1014,7 +1015,7 @@ def save_persist_vars_without_grad(executor, dirname, program):
...
@@ -1014,7 +1015,7 @@ def save_persist_vars_without_grad(executor, dirname, program):
program and then save these variables to a sub-folder '__model__' of
program and then save these variables to a sub-folder '__model__' of
the given directory.
the given directory.
A variable is a checkpoint variable if it meets all
the
following
A variable is a checkpoint variable if it meets all following
conditions:
conditions:
1. It's persistable.
1. It's persistable.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
2. It's type is not FEED_MINIBATCH nor FETCH_LIST nor RAW.
...
...
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