Add Quantization Function. (#256)

* Add PaddleOCR Support

* Add PaddleOCR Support

* Add PaddleOCRv3 Support

* Add PaddleOCRv3 Support

* Update README.md

* Update README.md

* Update README.md

* Update README.md

* Add PaddleOCRv3 Support

* Add PaddleOCRv3 Supports

* Add PaddleOCRv3 Suport

* Fix Rec diff

* Remove useless functions

* Remove useless comments

* Add PaddleOCRv2 Support

* Add PaddleOCRv3 & PaddleOCRv2 Support

* remove useless parameters

* Add utils of sorting det boxes

* Fix code naming convention

* Fix code naming convention

* Fix code naming convention

* Fix bug in the Classify process

* Imporve OCR Readme

* Fix diff in Cls model

* Update Model Download Link in Readme

* Fix diff in PPOCRv2

* Improve OCR readme

* Imporve OCR readme

* Improve OCR readme

* Improve OCR readme

* Imporve OCR readme

* Improve OCR readme

* Fix conflict

* Add readme for OCRResult

* Improve OCR readme

* Add OCRResult readme

* Improve OCR readme

* Improve OCR readme

* Add Model Quantization Demo

* Fix Model Quantization Readme

* Fix Model Quantization Readme

* Add the function to do PTQ quantization

* Improve quant tools readme

* Improve quant tool readme

* Improve quant tool readme

* Add PaddleInference-GPU for OCR Rec model

* Add QAT method to fastdeploy-quantization tool

* Remove examples/slim for now

* Move configs folder

* Add Quantization Support for Classification Model

* Imporve ways of importing preprocess

* Upload YOLO Benchmark on readme

* Upload YOLO Benchmark on readme

* Upload YOLO Benchmark on readme

* Improve Quantization configs and readme

* Add support for multi-inputs model
This commit is contained in:
yunyaoXYY
2022-10-08 15:45:28 +08:00
committed by GitHub
parent 8d47637541
commit 1efc0fa6b0
13 changed files with 736 additions and 0 deletions

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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import cv2
import os
import numpy as np
import paddle
def generate_scale(im, target_shape):
origin_shape = im.shape[:2]
im_size_min = np.min(origin_shape)
im_size_max = np.max(origin_shape)
target_size_min = np.min(target_shape)
target_size_max = np.max(target_shape)
im_scale = float(target_size_min) / float(im_size_min)
if np.round(im_scale * im_size_max) > target_size_max:
im_scale = float(target_size_max) / float(im_size_max)
im_scale_x = im_scale
im_scale_y = im_scale
return im_scale_y, im_scale_x
def yolo_image_preprocess(img, target_shape=[640, 640]):
# Resize image
im_scale_y, im_scale_x = generate_scale(img, target_shape)
img = cv2.resize(
img,
None,
None,
fx=im_scale_x,
fy=im_scale_y,
interpolation=cv2.INTER_LINEAR)
# Pad
im_h, im_w = img.shape[:2]
h, w = target_shape[:]
if h != im_h or w != im_w:
canvas = np.ones((h, w, 3), dtype=np.float32)
canvas *= np.array([114.0, 114.0, 114.0], dtype=np.float32)
canvas[0:im_h, 0:im_w, :] = img.astype(np.float32)
img = canvas
img = np.transpose(img / 255, [2, 0, 1])
return img.astype(np.float32)
def cls_resize_short(img, target_size):
img_h, img_w = img.shape[:2]
percent = float(target_size) / min(img_w, img_h)
w = int(round(img_w * percent))
h = int(round(img_h * percent))
return cv2.resize(img, (w, h), interpolation=cv2.INTER_LINEAR)
def crop_image(img, target_size, center):
height, width = img.shape[:2]
size = target_size
if center == True:
w_start = (width - size) // 2
h_start = (height - size) // 2
else:
w_start = np.random.randint(0, width - size + 1)
h_start = np.random.randint(0, height - size + 1)
w_end = w_start + size
h_end = h_start + size
return img[h_start:h_end, w_start:w_end, :]
def cls_image_preprocess(img):
# resize
img = cls_resize_short(img, target_size=256)
# crop
img = crop_image(img, target_size=224, center=True)
#ToCHWImage & Normalize
img = np.transpose(img / 255, [2, 0, 1])
img_mean = np.array([0.485, 0.456, 0.406]).reshape((3, 1, 1))
img_std = np.array([0.229, 0.224, 0.225]).reshape((3, 1, 1))
img -= img_mean
img /= img_std
return img.astype(np.float32)
def ppdet_resize_no_keepratio(img, target_shape=[640, 640]):
im_shape = img.shape
resize_h, resize_w = target_shape
im_scale_y = resize_h / im_shape[0]
im_scale_x = resize_w / im_shape[1]
scale_factor = np.asarray([im_scale_y, im_scale_x], dtype=np.float32)
return cv2.resize(
img, None, None, fx=im_scale_x, fy=im_scale_y,
interpolation=2), scale_factor
def ppdet_normliaze(img, is_scale=True):
mean = [0.485, 0.456, 0.406]
std = [0.229, 0.224, 0.225]
img = img.astype(np.float32, copy=False)
if is_scale:
scale = 1.0 / 255.0
img *= scale
mean = np.array(mean)[np.newaxis, np.newaxis, :]
std = np.array(std)[np.newaxis, np.newaxis, :]
img -= mean
img /= std
return img
def hwc_to_chw(img):
img = img.transpose((2, 0, 1))
return img
def ppdet_image_preprocess(img):
img, scale_factor = ppdet_resize_no_keepratio(img, target_shape=[640, 640])
img = np.transpose(img / 255, [2, 0, 1])
img_mean = np.array([0.485, 0.456, 0.406]).reshape((3, 1, 1))
img_std = np.array([0.229, 0.224, 0.225]).reshape((3, 1, 1))
img -= img_mean
img /= img_std
return img.astype(np.float32), scale_factor

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# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os
import sys
import numpy as np
import time
import argparse
from tqdm import tqdm
import paddle
from paddleslim.common import load_config, load_onnx_model
from paddleslim.auto_compression import AutoCompression
from paddleslim.quant import quant_post_static
from fdquant.dataset import *
def argsparser():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
'--config_path',
type=str,
default=None,
help="path of compression strategy config.",
required=True)
parser.add_argument(
'--method',
type=str,
default=None,
help="choose PTQ or QAT as quantization method",
required=True)
parser.add_argument(
'--save_dir',
type=str,
default='output',
help="directory to save compressed model.")
parser.add_argument(
'--devices',
type=str,
default='gpu',
help="which device used to compress.")
return parser
def reader_wrapper(reader, input_list=None):
def gen():
for data_list in reader:
in_dict = {}
for data in data_list:
for i, input_name in enumerate(input_list):
in_dict[input_name] = data[i]
yield in_dict
return gen
def main():
time_s = time.time()
paddle.enable_static()
parser = argsparser()
FLAGS = parser.parse_args()
assert FLAGS.devices in ['cpu', 'gpu', 'xpu', 'npu']
paddle.set_device(FLAGS.devices)
global global_config
all_config = load_config(FLAGS.config_path)
assert "Global" in all_config, f"Key 'Global' not found in config file. \n{all_config}"
global_config = all_config["Global"]
input_list = global_config['input_list']
assert os.path.exists(global_config[
'image_path']), "image_path does not exist!"
paddle.vision.image.set_image_backend('cv2')
# transform could be customized.
train_dataset = paddle.vision.datasets.ImageFolder(
global_config['image_path'],
transform=eval(global_config['preprocess']))
train_loader = paddle.io.DataLoader(
train_dataset,
batch_size=1,
shuffle=True,
drop_last=True,
num_workers=0)
train_loader = reader_wrapper(train_loader, input_list=input_list)
eval_func = None
# ACT compression
if FLAGS.method == 'QAT':
ac = AutoCompression(
model_dir=global_config['model_dir'],
model_filename=global_config['model_filename'],
params_filename=global_config['params_filename'],
train_dataloader=train_loader,
save_dir=FLAGS.save_dir,
config=all_config,
eval_callback=eval_func)
ac.compress()
# PTQ compression
if FLAGS.method == 'PTQ':
# Read PTQ config
assert "PTQ" in all_config, f"Key 'PTQ' not found in config file. \n{all_config}"
ptq_config = all_config["PTQ"]
# Inititalize the executor
place = paddle.CUDAPlace(
0) if FLAGS.devices == 'gpu' else paddle.CPUPlace()
exe = paddle.static.Executor(place)
# Read ONNX or PADDLE format model
if global_config['format'] == 'onnx':
load_onnx_model(global_config["model_dir"])
inference_model_path = global_config["model_dir"].rstrip().rstrip(
'.onnx') + '_infer'
else:
inference_model_path = global_config["model_dir"].rstrip('/')
quant_post_static(
executor=exe,
model_dir=inference_model_path,
quantize_model_path=FLAGS.save_dir,
data_loader=train_loader,
model_filename=global_config["model_filename"],
params_filename=global_config["params_filename"],
batch_size=32,
batch_nums=10,
algo=ptq_config['calibration_method'],
hist_percent=0.999,
is_full_quantize=False,
bias_correction=False,
onnx_format=True,
skip_tensor_list=ptq_config['skip_tensor_list']
if 'skip_tensor_list' in ptq_config else None)
time_total = time.time() - time_s
print("Finish Compression, total time used is : ", time_total, "seconds.")
if __name__ == '__main__':
main()