CRITICAL IndexError: index 64 is out of bounds for axis 2 with size 64
Posted: Mon Nov 18, 2019 3:53 pm
when extracting, I got this error.
IndexError: index 64 is out of bounds for axis 2 with size 64
Code: Select all
11/18/2019 23:48:05 MainProcess align_output_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:05 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess align_input_0 fan process_input DEBUG Aligning faces around center
11/18/2019 23:48:06 MainProcess align_input_0 fan get_center_scale DEBUG Calculating center and scale
11/18/2019 23:48:06 MainProcess align_input_0 fan crop DEBUG Cropping images
11/18/2019 23:48:06 MainProcess align_input_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:06 MainProcess align_input_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:06 MainProcess align_predict_0 fan predict DEBUG Predicting Landmarks
11/18/2019 23:48:06 MainProcess align_output_0 fan get_pts_from_predict DEBUG Obtain points from prediction
11/18/2019 23:48:06 MainProcess align_output_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess align_input_0 fan process_input DEBUG Aligning faces around center
11/18/2019 23:48:06 MainProcess align_input_0 fan get_center_scale DEBUG Calculating center and scale
11/18/2019 23:48:06 MainProcess align_input_0 fan crop DEBUG Cropping images
11/18/2019 23:48:06 MainProcess align_input_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:06 MainProcess align_input_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:06 MainProcess align_predict_0 fan predict DEBUG Predicting Landmarks
11/18/2019 23:48:06 MainProcess align_output_0 fan get_pts_from_predict DEBUG Obtain points from prediction
11/18/2019 23:48:06 MainProcess align_output_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:06 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Setting thread
11/18/2019 23:48:07 MainProcess MainThread image _set_thread DEBUG Thread pre-exists and is alive: <lib.multithreading.MultiThread object at 0x000002057E147048>
11/18/2019 23:48:07 MainProcess align_input_0 fan process_input DEBUG Aligning faces around center
11/18/2019 23:48:07 MainProcess align_input_0 fan get_center_scale DEBUG Calculating center and scale
11/18/2019 23:48:07 MainProcess align_input_0 fan crop DEBUG Cropping images
11/18/2019 23:48:07 MainProcess align_input_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:07 MainProcess align_input_0 fan transform DEBUG Transforming Points
11/18/2019 23:48:07 MainProcess align_predict_0 fan predict DEBUG Predicting Landmarks
11/18/2019 23:48:07 MainProcess MainThread extract _output_processing VERBOSE No faces were detected in image: dst_000957.png
11/18/2019 23:48:07 MainProcess align_output_0 fan get_pts_from_predict DEBUG Obtain points from prediction
11/18/2019 23:48:07 MainProcess align_output_0 multithreading run DEBUG Error in thread (align_output_0): index 64 is out of bounds for axis 2 with size 64
11/18/2019 23:48:07 MainProcess MainThread extract _output_processing VERBOSE No faces were detected in image: dst_000958.png
11/18/2019 23:48:07 MainProcess MainThread multithreading check_and_raise_error DEBUG Thread error caught: [(<class 'IndexError'>, IndexError('index 64 is out of bounds for axis 2 with size 64',), <traceback object at 0x0000020561141788>)]
Traceback (most recent call last):
File "C:\Program Files\faceswap\lib\cli.py", line 128, in execute_script
process.process()
File "C:\Program Files\faceswap\scripts\extract.py", line 116, in process
self._run_extraction()
File "C:\Program Files\faceswap\scripts\extract.py", line 212, in _run_extraction
for idx, faces in enumerate(status_bar):
File "C:\Users\evang\MiniConda3\envs\faceswap\lib\site-packages\tqdm\std.py", line 1081, in __iter__
for obj in iterable:
File "C:\Program Files\faceswap\plugins\extract\pipeline.py", line 217, in detected_faces
if self._check_and_raise_error():
File "C:\Program Files\faceswap\plugins\extract\pipeline.py", line 482, in _check_and_raise_error
if plugin.check_and_raise_error():
File "C:\Program Files\faceswap\plugins\extract\_base.py", line 292, in check_and_raise_error
err = thread.check_and_raise_error()
File "C:\Program Files\faceswap\lib\multithreading.py", line 84, in check_and_raise_error
raise error[1].with_traceback(error[2])
File "C:\Program Files\faceswap\lib\multithreading.py", line 37, in run
self._target(*self._args, **self._kwargs)
File "C:\Program Files\faceswap\plugins\extract\_base.py", line 405, in _thread_process
batch = function(batch)
File "C:\Program Files\faceswap\plugins\extract\align\fan.py", line 129, in process_output
self.get_pts_from_predict(batch)
File "C:\Program Files\faceswap\plugins\extract\align\fan.py", line 148, in get_pts_from_predict
y_subpixel_shift = batch["prediction"][offsets[2]] - batch["prediction"][offsets[3]]
IndexError: index 64 is out of bounds for axis 2 with size 64
============ System Information ============
encoding: cp936
git_branch: Not Found
git_commits: Not Found
gpu_cuda: No global version found. Check Conda packages for Conda Cuda
gpu_cudnn: No global version found. Check Conda packages for Conda cuDNN
gpu_devices: GPU_0: GeForce RTX 2080 SUPER
gpu_devices_active: GPU_0
gpu_driver: 441.20
gpu_vram: GPU_0: 8192MB
os_machine: AMD64
os_platform: Windows-10-10.0.18362-SP0
os_release: 10
py_command: C:\Program Files\faceswap\faceswap.py extract -i D:/DeepFake/dst.mp4 -o D:/DeepFake/dst -D s3fd -A fan -M none -nm hist -min 20 -l 0.4 -een 1 -sz 256 -si 0 -L INFO -gui
py_conda_version: conda 4.7.12
py_implementation: CPython
py_version: 3.6.9
py_virtual_env: True
sys_cores: 24
sys_processor: AMD64 Family 23 Model 113 Stepping 0, AuthenticAMD
sys_ram: Total: 65449MB, Available: 56662MB, Used: 8787MB, Free: 56662MB
=============== Pip Packages ===============
absl-py==0.8.1
astor==0.8.0
certifi==2019.9.11
cloudpickle==1.2.2
cycler==0.10.0
cytoolz==0.10.0
dask==2.8.0
decorator==4.4.1
fastcluster==1.1.25
ffmpy==0.2.2
gast==0.3.2
grpcio==1.16.1
h5py==2.9.0
imageio==2.5.0
imageio-ffmpeg==0.3.0
joblib==0.14.0
Keras==2.2.4
Keras-Applications==1.0.8
Keras-Preprocessing==1.1.0
kiwisolver==1.1.0
Markdown==3.1.1
matplotlib==2.2.2
mkl-fft==1.0.15
mkl-random==1.1.0
mkl-service==2.3.0
networkx==2.4
numpy==1.16.2
nvidia-ml-py3==7.352.1
olefile==0.46
opencv-python==4.1.1.26
pathlib==1.0.1
Pillow==6.1.0
protobuf==3.9.2
psutil==5.6.5
pyparsing==2.4.4
pyreadline==2.1
python-dateutil==2.8.1
pytz==2019.3
PyWavelets==1.1.1
pywin32==223
PyYAML==5.1.2
scikit-image==0.15.0
scikit-learn==0.21.3
scipy==1.3.1
six==1.13.0
tensorboard==1.14.0
tensorflow==1.14.0
tensorflow-estimator==1.14.0
termcolor==1.1.0
toolz==0.10.0
toposort==1.5
tornado==6.0.3
tqdm==4.36.1
Werkzeug==0.16.0
wincertstore==0.2
wrapt==1.11.2
============== Conda Packages ==============
# packages in environment at C:\Users\evang\MiniConda3\envs\faceswap:
#
# Name Version Build Channel
_tflow_select 2.1.0 gpu
absl-py 0.8.1 py36_0
astor 0.8.0 py36_0
blas 1.0 mkl
ca-certificates 2019.10.16 0
certifi 2019.9.11 py36_0
cloudpickle 1.2.2 py_0
cudatoolkit 10.0.130 0
cudnn 7.6.4 cuda10.0_0
cycler 0.10.0 py36h009560c_0
cytoolz 0.10.0 py36he774522_0
dask-core 2.8.0 py_0
decorator 4.4.1 py_0
fastcluster 1.1.25 py36he350917_1000 conda-forge
ffmpeg 4.2 h6538335_0 conda-forge
ffmpy 0.2.2 pypi_0 pypi
freetype 2.9.1 ha9979f8_1
gast 0.3.2 py_0
grpcio 1.16.1 py36h351948d_1
h5py 2.9.0 py36h5e291fa_0
hdf5 1.10.4 h7ebc959_0
icc_rt 2019.0.0 h0cc432a_1
icu 58.2 ha66f8fd_1
imageio 2.5.0 py36_0
imageio-ffmpeg 0.3.0 py_0 conda-forge
intel-openmp 2019.4 245
joblib 0.14.0 py_0
jpeg 9b hb83a4c4_2
keras 2.2.4 0
keras-applications 1.0.8 py_0
keras-base 2.2.4 py36_0
keras-preprocessing 1.1.0 py_1
kiwisolver 1.1.0 py36ha925a31_0
libmklml 2019.0.5 0
libpng 1.6.37 h2a8f88b_0
libprotobuf 3.9.2 h7bd577a_0
libtiff 4.1.0 h56a325e_0
markdown 3.1.1 py36_0
matplotlib 2.2.2 py36had4c4a9_2
mkl 2019.4 245
mkl-service 2.3.0 py36hb782905_0
mkl_fft 1.0.15 py36h14836fe_0
mkl_random 1.1.0 py36h675688f_0
networkx 2.4 py_0
numpy 1.16.2 py36h19fb1c0_0
numpy-base 1.16.2 py36hc3f5095_0
nvidia-ml-py3 7.352.1 pypi_0 pypi
olefile 0.46 py36_0
opencv-python 4.1.1.26 pypi_0 pypi
openssl 1.1.1d he774522_3
pathlib 1.0.1 py36_1
pillow 6.1.0 py36hdc69c19_0
pip 19.3.1 py36_0
protobuf 3.9.2 py36h33f27b4_0
psutil 5.6.5 py36he774522_0
pyparsing 2.4.4 py_0
pyqt 5.9.2 py36h6538335_2
pyreadline 2.1 py36_1
python 3.6.9 h5500b2f_0
python-dateutil 2.8.1 py_0
pytz 2019.3 py_0
pywavelets 1.1.1 py36he774522_0
pywin32 223 py36hfa6e2cd_1
pyyaml 5.1.2 py36he774522_0
qt 5.9.7 vc14h73c81de_0
scikit-image 0.15.0 py36ha925a31_0
scikit-learn 0.21.3 py36h6288b17_0
scipy 1.3.1 py36h29ff71c_0
setuptools 41.6.0 py36_0
sip 4.19.8 py36h6538335_0
six 1.13.0 py36_0
sqlite 3.30.1 he774522_0
tensorboard 1.14.0 py36he3c9ec2_0
tensorflow 1.14.0 gpu_py36h305fd99_0
tensorflow-base 1.14.0 gpu_py36h55fc52a_0
tensorflow-estimator 1.14.0 py_0
tensorflow-gpu 1.14.0 h0d30ee6_0
termcolor 1.1.0 py36_1
tk 8.6.8 hfa6e2cd_0
toolz 0.10.0 py_0
toposort 1.5 py_3 conda-forge
tornado 6.0.3 py36he774522_0
tqdm 4.36.1 py_0
vc 14.1 h0510ff6_4
vs2015_runtime 14.16.27012 hf0eaf9b_0
werkzeug 0.16.0 py_0
wheel 0.33.6 py36_0
wincertstore 0.2 py36h7fe50ca_0
wrapt 1.11.2 py36he774522_0
xz 5.2.4 h2fa13f4_4
yaml 0.1.7 hc54c509_2
zlib 1.2.11 h62dcd97_3
zstd 1.3.7 h508b16e_0
================= Configs ==================
--------- .faceswap ---------
backend: nvidia
--------- convert.ini ---------
[color.color_transfer]
clip: True
preserve_paper: True
[color.manual_balance]
colorspace: HSV
balance_1: 0.0
balance_2: 0.0
balance_3: 0.0
contrast: 0.0
brightness: 0.0
[color.match_hist]
threshold: 99.0
[mask.box_blend]
type: gaussian
distance: 11.0
radius: 5.0
passes: 1
[mask.mask_blend]
type: normalized
radius: 3.0
passes: 4
erosion: 0.0
[scaling.sharpen]
method: unsharp_mask
amount: 150
radius: 0.3
threshold: 5.0
[writer.ffmpeg]
container: mp4
codec: libx264
crf: 23
preset: medium
tune: none
profile: auto
level: auto
[writer.gif]
fps: 25
loop: 0
palettesize: 256
subrectangles: False
[writer.opencv]
format: png
draw_transparent: False
jpg_quality: 75
png_compress_level: 3
[writer.pillow]
format: png
draw_transparent: False
optimize: False
gif_interlace: True
jpg_quality: 75
png_compress_level: 3
tif_compression: tiff_deflate
--------- extract.ini ---------
[global]
allow_growth: False
[align.fan]
batch-size: 12
[detect.cv2_dnn]
confidence: 50
[detect.mtcnn]
minsize: 20
threshold_1: 0.6
threshold_2: 0.7
threshold_3: 0.7
scalefactor: 0.709
batch-size: 8
[detect.s3fd]
confidence: 70
batch-size: 4
[mask.unet_dfl]
batch-size: 8
[mask.vgg_clear]
batch-size: 6
[mask.vgg_obstructed]
batch-size: 2
--------- gui.ini ---------
[global]
fullscreen: False
tab: extract
options_panel_width: 30
console_panel_height: 20
font: default
font_size: 9
--------- train.ini ---------
[global]
coverage: 68.75
mask_type: none
mask_blur: False
icnr_init: False
conv_aware_init: False
subpixel_upscaling: False
reflect_padding: False
penalized_mask_loss: True
loss_function: ssim
learning_rate: 5e-05
[model.dfl_h128]
lowmem: False
[model.dfl_sae]
input_size: 128
clipnorm: True
architecture: df
autoencoder_dims: 0
encoder_dims: 42
decoder_dims: 21
multiscale_decoder: False
[model.dlight]
features: best
details: good
output_size: 256
[model.original]
lowmem: False
[model.realface]
input_size: 64
output_size: 128
dense_nodes: 1536
complexity_encoder: 128
complexity_decoder: 512
[model.unbalanced]
input_size: 128
lowmem: False
clipnorm: True
nodes: 1024
complexity_encoder: 128
complexity_decoder_a: 384
complexity_decoder_b: 512
[model.villain]
lowmem: False
[trainer.original]
preview_images: 14
zoom_amount: 5
rotation_range: 10
shift_range: 5
flip_chance: 50
color_lightness: 30
color_ab: 8
color_clahe_chance: 50
color_clahe_max_size: 4