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novelai-storage
Basedformer
Commits
dff538a0
Commit
dff538a0
authored
Jul 05, 2022
by
novelailab
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read_from_id to read from danbooru id
parent
0f8be39c
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basedformer/dataset.py
basedformer/dataset.py
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basedformer/dataset.py
View file @
dff538a0
...
@@ -74,6 +74,7 @@ class ShardedImageDataset(data.Dataset):
...
@@ -74,6 +74,7 @@ class ShardedImageDataset(data.Dataset):
self
.
index
=
self
.
index
[
global_rank
::
world_size
]
self
.
index
=
self
.
index
[
global_rank
::
world_size
]
#override possible gil locks by making the index map an nparray
#override possible gil locks by making the index map an nparray
self
.
index
=
np
.
array
(
self
.
index
)
self
.
index
=
np
.
array
(
self
.
index
)
self
.
ids
=
self
.
index
.
transpose
(
1
,
0
)[
2
]
self
.
executor
=
concurrent
.
futures
.
ThreadPoolExecutor
(
max_workers
=
self
.
threads
)
self
.
executor
=
concurrent
.
futures
.
ThreadPoolExecutor
(
max_workers
=
self
.
threads
)
def
__len__
(
self
):
def
__len__
(
self
):
...
@@ -107,6 +108,13 @@ class ShardedImageDataset(data.Dataset):
...
@@ -107,6 +108,13 @@ class ShardedImageDataset(data.Dataset):
return
data
,
id
return
data
,
id
def
read_from_id
(
self
,
id
):
#to be used standalone
offset
,
size
,
_
=
self
.
index
[
self
.
ids
==
id
][
0
]
data
=
self
.
mmap
[
offset
:
offset
+
size
]
data
=
decode_jpeg
(
data
)
return
data
class
ImageDatasetBuilder
():
class
ImageDatasetBuilder
():
def
__init__
(
self
,
folder_path
,
name
,
dataset
=
True
,
index
=
True
,
metadata
=
True
,
threads
=
None
):
def
__init__
(
self
,
folder_path
,
name
,
dataset
=
True
,
index
=
True
,
metadata
=
True
,
threads
=
None
):
self
.
folder_path
=
Path
(
folder_path
)
self
.
folder_path
=
Path
(
folder_path
)
...
...
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