From 3ce2bfdf95bd5f26d0f6e250e67338ada91980d1 Mon Sep 17 00:00:00 2001 From: Muhammad Rizqi Nur Date: Sat, 29 Oct 2022 19:43:21 +0700 Subject: Add cleanup after training --- modules/textual_inversion/textual_inversion.py | 185 +++++++++++++------------ 1 file changed, 95 insertions(+), 90 deletions(-) (limited to 'modules/textual_inversion') diff --git a/modules/textual_inversion/textual_inversion.py b/modules/textual_inversion/textual_inversion.py index 44f06443..fd7f0897 100644 --- a/modules/textual_inversion/textual_inversion.py +++ b/modules/textual_inversion/textual_inversion.py @@ -283,111 +283,113 @@ def train_embedding(embedding_name, learn_rate, batch_size, data_root, log_direc embedding_yet_to_be_embedded = False pbar = tqdm.tqdm(enumerate(ds), total=steps-ititial_step) - for i, entries in pbar: - embedding.step = i + ititial_step - scheduler.apply(optimizer, embedding.step) - if scheduler.finished: - break - - if shared.state.interrupted: - break - - with torch.autocast("cuda"): - c = cond_model([entry.cond_text for entry in entries]) - x = torch.stack([entry.latent for entry in entries]).to(devices.device) - loss = shared.sd_model(x, c)[0] - del x - - losses[embedding.step % losses.shape[0]] = loss.item() - - optimizer.zero_grad() - loss.backward() - optimizer.step() - - steps_done = embedding.step + 1 - - epoch_num = embedding.step // len(ds) - epoch_step = embedding.step % len(ds) - - pbar.set_description(f"[Epoch {epoch_num}: {epoch_step+1}/{len(ds)}]loss: {losses.mean():.7f}") - - if embedding_dir is not None and steps_done % save_embedding_every == 0: - # Before saving, change name to match current checkpoint. - embedding.name = f'{embedding_name}-{steps_done}' - last_saved_file = os.path.join(embedding_dir, f'{embedding.name}.pt') - embedding.save(last_saved_file) - embedding_yet_to_be_embedded = True - - write_loss(log_directory, "textual_inversion_loss.csv", embedding.step, len(ds), { - "loss": f"{losses.mean():.7f}", - "learn_rate": scheduler.learn_rate - }) - - if images_dir is not None and steps_done % create_image_every == 0: - forced_filename = f'{embedding_name}-{steps_done}' - last_saved_image = os.path.join(images_dir, forced_filename) - p = processing.StableDiffusionProcessingTxt2Img( - sd_model=shared.sd_model, - do_not_save_grid=True, - do_not_save_samples=True, - do_not_reload_embeddings=True, - ) - - if preview_from_txt2img: - p.prompt = preview_prompt - p.negative_prompt = preview_negative_prompt - p.steps = preview_steps - p.sampler_index = preview_sampler_index - p.cfg_scale = preview_cfg_scale - p.seed = preview_seed - p.width = preview_width - p.height = preview_height - else: - p.prompt = entries[0].cond_text - p.steps = 20 - p.width = training_width - p.height = training_height + try: + for i, entries in pbar: + embedding.step = i + ititial_step + + scheduler.apply(optimizer, embedding.step) + if scheduler.finished: + break + + if shared.state.interrupted: + break + + with torch.autocast("cuda"): + c = cond_model([entry.cond_text for entry in entries]) + x = torch.stack([entry.latent for entry in entries]).to(devices.device) + loss = shared.sd_model(x, c)[0] + del x + + losses[embedding.step % losses.shape[0]] = loss.item() + + optimizer.zero_grad() + loss.backward() + optimizer.step() + + steps_done = embedding.step + 1 + + epoch_num = embedding.step // len(ds) + epoch_step = embedding.step % len(ds) + + pbar.set_description(f"[Epoch {epoch_num}: {epoch_step+1}/{len(ds)}]loss: {losses.mean():.7f}") + + if embedding_dir is not None and steps_done % save_embedding_every == 0: + # Before saving, change name to match current checkpoint. + embedding.name = f'{embedding_name}-{steps_done}' + last_saved_file = os.path.join(embedding_dir, f'{embedding.name}.pt') + embedding.save(last_saved_file) + embedding_yet_to_be_embedded = True + + write_loss(log_directory, "textual_inversion_loss.csv", embedding.step, len(ds), { + "loss": f"{losses.mean():.7f}", + "learn_rate": scheduler.learn_rate + }) + + if images_dir is not None and steps_done % create_image_every == 0: + forced_filename = f'{embedding_name}-{steps_done}' + last_saved_image = os.path.join(images_dir, forced_filename) + p = processing.StableDiffusionProcessingTxt2Img( + sd_model=shared.sd_model, + do_not_save_grid=True, + do_not_save_samples=True, + do_not_reload_embeddings=True, + ) + + if preview_from_txt2img: + p.prompt = preview_prompt + p.negative_prompt = preview_negative_prompt + p.steps = preview_steps + p.sampler_index = preview_sampler_index + p.cfg_scale = preview_cfg_scale + p.seed = preview_seed + p.width = preview_width + p.height = preview_height + else: + p.prompt = entries[0].cond_text + p.steps = 20 + p.width = training_width + p.height = training_height - preview_text = p.prompt + preview_text = p.prompt - processed = processing.process_images(p) - image = processed.images[0] + processed = processing.process_images(p) + image = processed.images[0] - shared.state.current_image = image + shared.state.current_image = image - if save_image_with_stored_embedding and os.path.exists(last_saved_file) and embedding_yet_to_be_embedded: + if save_image_with_stored_embedding and os.path.exists(last_saved_file) and embedding_yet_to_be_embedded: - last_saved_image_chunks = os.path.join(images_embeds_dir, f'{embedding_name}-{steps_done}.png') + last_saved_image_chunks = os.path.join(images_embeds_dir, f'{embedding_name}-{steps_done}.png') - info = PngImagePlugin.PngInfo() - data = torch.load(last_saved_file) - info.add_text("sd-ti-embedding", embedding_to_b64(data)) + info = PngImagePlugin.PngInfo() + data = torch.load(last_saved_file) + info.add_text("sd-ti-embedding", embedding_to_b64(data)) - title = "<{}>".format(data.get('name', '???')) + title = "<{}>".format(data.get('name', '???')) - try: - vectorSize = list(data['string_to_param'].values())[0].shape[0] - except Exception as e: - vectorSize = '?' + try: + vectorSize = list(data['string_to_param'].values())[0].shape[0] + except Exception as e: + vectorSize = '?' - checkpoint = sd_models.select_checkpoint() - footer_left = checkpoint.model_name - footer_mid = '[{}]'.format(checkpoint.hash) - footer_right = '{}v {}s'.format(vectorSize, steps_done) + checkpoint = sd_models.select_checkpoint() + footer_left = checkpoint.model_name + footer_mid = '[{}]'.format(checkpoint.hash) + footer_right = '{}v {}s'.format(vectorSize, steps_done) - captioned_image = caption_image_overlay(image, title, footer_left, footer_mid, footer_right) - captioned_image = insert_image_data_embed(captioned_image, data) + captioned_image = caption_image_overlay(image, title, footer_left, footer_mid, footer_right) + captioned_image = insert_image_data_embed(captioned_image, data) - captioned_image.save(last_saved_image_chunks, "PNG", pnginfo=info) - embedding_yet_to_be_embedded = False + captioned_image.save(last_saved_image_chunks, "PNG", pnginfo=info) + embedding_yet_to_be_embedded = False - last_saved_image, last_text_info = images.save_image(image, images_dir, "", p.seed, p.prompt, shared.opts.samples_format, processed.infotexts[0], p=p, forced_filename=forced_filename, save_to_dirs=False) - last_saved_image += f", prompt: {preview_text}" + last_saved_image, last_text_info = images.save_image(image, images_dir, "", p.seed, p.prompt, shared.opts.samples_format, processed.infotexts[0], p=p, forced_filename=forced_filename, save_to_dirs=False) + last_saved_image += f", prompt: {preview_text}" - shared.state.job_no = embedding.step + shared.state.job_no = embedding.step - shared.state.textinfo = f""" + shared.state.textinfo = f"""

Loss: {losses.mean():.7f}
Step: {embedding.step}
@@ -396,6 +398,9 @@ Last saved embedding: {html.escape(last_saved_file)}
Last saved image: {html.escape(last_saved_image)}

""" + finally: + if embedding and embedding.vec is not None: + embedding.vec.requires_grad = False checkpoint = sd_models.select_checkpoint() -- cgit v1.2.1