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torch model ensembling is integrated

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vahidrezanezhad 2026-02-04 21:16:08 +01:00
parent 498ff8f7a5
commit fbf252db13
1 changed files with 46 additions and 21 deletions
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67
src/eynollah/training/weights_ensembling.py
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@ -21,6 +21,11 @@ from tensorflow.keras.layers import *
import click
import logging
from transformers import TrOCRProcessor
from PIL import Image
import torch
from transformers import VisionEncoderDecoderModel
class Patches(layers.Layer):
def __init__(self, patch_size_x, patch_size_y):
@ -92,30 +97,45 @@ def start_new_session():
tensorflow_backend.set_session(session)
return session
def run_ensembling(dir_models, out):
def run_ensembling(dir_models, out, framework):
ls_models = os.listdir(dir_models)
weights=[]
for model_name in ls_models:
model = load_model(os.path.join(dir_models,model_name) , compile=False, custom_objects={'PatchEncoder':PatchEncoder, 'Patches': Patches})
weights.append(model.get_weights())
if framework=="torch":
models = []
sd_models = []
new_weights = list()
for weights_list_tuple in zip(*weights):
new_weights.append(
[np.array(weights_).mean(axis=0)\
for weights_ in zip(*weights_list_tuple)])
for model_name in ls_models:
model = VisionEncoderDecoderModel.from_pretrained(os.path.join(dir_models,model_name))
models.append(model)
sd_models.append(model.state_dict())
for key in sd_models[0]:
sd_models[0][key] = sum(sd[key] for sd in sd_models) / len(sd_models)
model.load_state_dict(sd_models[0])
os.system("mkdir "+out)
torch.save(model.state_dict(), os.path.join(out, "pytorch_model.bin"))
os.system('cp '+os.path.join(os.path.join(dir_models,model_name) , "config.json ")+out)
else:
weights=[]
for model_name in ls_models:
model = load_model(os.path.join(dir_models,model_name) , compile=False, custom_objects={'PatchEncoder':PatchEncoder, 'Patches': Patches})
weights.append(model.get_weights())
new_weights = list()
for weights_list_tuple in zip(*weights):
new_weights.append(
[np.array(weights_).mean(axis=0)\
for weights_ in zip(*weights_list_tuple)])
new_weights = [np.array(x) for x in new_weights]
model.set_weights(new_weights)
model.save(out)
os.system('cp '+os.path.join(os.path.join(dir_models,model_name) , "config.json ")+out)
new_weights = [np.array(x) for x in new_weights]
model.set_weights(new_weights)
model.save(out)
os.system('cp '+os.path.join(os.path.join(dir_models,model_name) , "config.json ")+out)
@click.command()
@click.option(
@ -130,7 +150,12 @@ def run_ensembling(dir_models, out):
help="output directory where ensembled model will be written.",
type=click.Path(exists=False, file_okay=False),
)
@click.option(
"--framework",
"-fw",
help="this parameter gets tensorflow or torch as model framework",
)
def main(dir_models, out):
run_ensembling(dir_models, out)
def main(dir_models, out, framework):
run_ensembling(dir_models, out, framework)