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on
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Running
on
T4
# -*- coding: utf-8 -*- | |
import sys | |
import os | |
import torch | |
# Import files from the local folder | |
root_path = os.path.abspath('.') | |
sys.path.append(root_path) | |
from opt import opt | |
from architecture.grl import GRL # This place need to adjust for different models | |
from train_code.train_master import train_master | |
# Mixed precision training | |
scaler = torch.cuda.amp.GradScaler() | |
class train_grl(train_master): | |
def __init__(self, options, args) -> None: | |
super().__init__(options, args, "grl") # Pass a model name unique code | |
def loss_init(self): | |
# Prepare pixel loss | |
self.pixel_loss_load() | |
def call_model(self): | |
patch_size = 144 | |
window_size = 8 | |
if opt['model_size'] == "small": | |
# GRL small model | |
self.generator = GRL( | |
upscale = opt['scale'], | |
img_size = patch_size, | |
window_size = 8, | |
depths = [4, 4, 4, 4], | |
embed_dim = 128, | |
num_heads_window = [2, 2, 2, 2], | |
num_heads_stripe = [2, 2, 2, 2], | |
mlp_ratio = 2, | |
qkv_proj_type = "linear", | |
anchor_proj_type = "avgpool", | |
anchor_window_down_factor = 2, | |
out_proj_type = "linear", | |
conv_type = "1conv", | |
upsampler = "pixelshuffle", | |
).cuda() | |
elif opt['model_size'] == "tiny": | |
# GRL tiny model | |
self.generator = GRL( | |
upscale = opt['scale'], | |
img_size = 64, | |
window_size = 8, | |
depths = [4, 4, 4, 4], | |
embed_dim = 64, | |
num_heads_window = [2, 2, 2, 2], | |
num_heads_stripe = [2, 2, 2, 2], | |
mlp_ratio = 2, | |
qkv_proj_type = "linear", | |
anchor_proj_type = "avgpool", | |
anchor_window_down_factor = 2, | |
out_proj_type = "linear", | |
conv_type = "1conv", | |
upsampler = "pixelshuffledirect", | |
).cuda() | |
elif opt['model_size'] == "tiny2": | |
# GRL tiny model | |
self.generator = GRL( | |
upscale = opt['scale'], | |
img_size = 64, | |
window_size = 8, | |
depths = [4, 4, 4, 4], | |
embed_dim = 64, | |
num_heads_window = [2, 2, 2, 2], | |
num_heads_stripe = [2, 2, 2, 2], | |
mlp_ratio = 2, | |
qkv_proj_type = "linear", | |
anchor_proj_type = "avgpool", | |
anchor_window_down_factor = 2, | |
out_proj_type = "linear", | |
conv_type = "1conv", | |
upsampler = "nearest+conv", # Change | |
).cuda() | |
else: | |
raise NotImplementedError("We don't support such model size in GRL model") | |
# self.generator = torch.compile(self.generator).cuda() # Don't use this for 3090Ti | |
self.generator.train() | |
def run(self): | |
self.master_run() | |
def calculate_loss(self, gen_hr, imgs_hr): | |
# Define the loss function here | |
# Generator pixel loss (l1 loss): generated vs. GT | |
l_g_pix = self.cri_pix(gen_hr, imgs_hr, self.batch_idx) | |
self.weight_store["pixel_loss"] = l_g_pix | |
self.generator_loss += l_g_pix | |
def tensorboard_report(self, iteration): | |
# self.writer.add_scalar('Loss/train-Generator_Loss-Iteration', self.generator_loss, iteration) | |
self.writer.add_scalar('Loss/train-Pixel_Loss-Iteration', self.weight_store["pixel_loss"], iteration) | |