Update train_jirack_accelerate.py
Browse files- train_jirack_accelerate.py +19 -26
train_jirack_accelerate.py
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@@ -12,7 +12,7 @@
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# =============================================================================
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import os
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#
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os.environ["PYTORCH_HIP_ALLOC_CONF"] = "expandable_segments:True"
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import glob
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@@ -25,7 +25,7 @@ from tqdm import tqdm
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from transformers import Adafactor, get_cosine_schedule_with_warmup
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# --- GLOBAL CONSTANTS ---
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USE_COSINE_SCHEDULER =
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# --- 1. Lightweight Dataset ---
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class SingleShardDataset(Dataset):
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@@ -38,8 +38,8 @@ class SingleShardDataset(Dataset):
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# --- 2. Main Training Function ---
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def train():
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grad_accumulation_steps =
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batch_size =
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# Initialize Accelerator
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accelerator = Accelerator(
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@@ -58,7 +58,7 @@ def train():
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print(f"Shards found: {len(pt_files)}")
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print("Initializing JiRack 3.3B...")
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#
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from JiRackNative_3b import TernaryTransformer3B, TernaryConfig
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config = TernaryConfig()
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@@ -74,7 +74,6 @@ def train():
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else:
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if accelerator.is_local_main_process:
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print(f"-> Checkpoint not found at {checkpoint_load_path}, training will start from scratch.")
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# ==================================
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model.gradient_checkpointing_enable()
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criterion = nn.CrossEntropyLoss()
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#
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model = accelerator.prepare(model)
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# === ADAFACTOR CONFIGURATION FOR GPU ===
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# === CALCULATING AND INITIALIZING SCHEDULER WITH WARMUP ===
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scheduler = None
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if USE_COSINE_SCHEDULER:
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#
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# 2000 rows per shard / batch_size 1 / grad_accumulation_steps 4 = 500 steps per shard.
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steps_per_shard = math.ceil(2000 / (batch_size * grad_accumulation_steps))
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total_steps = len(pt_files) * steps_per_shard
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# Set warmup (e.g., 5% of total training steps)
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num_warmup_steps = int(0.05 * total_steps)
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# Combined scheduler: smoothly increases LR up to 2e-4, then decays following a cosine curve to 0
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scheduler = get_cosine_schedule_with_warmup(
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optimizer=optimizer,
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num_warmup_steps=num_warmup_steps,
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@@ -119,7 +114,7 @@ def train():
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print(f" Total training steps: {total_steps}")
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print(f" Warmup steps: {num_warmup_steps}")
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#
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if scheduler is not None:
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optimizer, scheduler = accelerator.prepare(optimizer, scheduler)
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else:
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@@ -130,7 +125,9 @@ def train():
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if accelerator.is_local_main_process:
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print("Starting training...")
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for shard_path in pt_files:
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shard_name = os.path.basename(shard_path)
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if accelerator.is_local_main_process:
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@@ -168,7 +165,6 @@ def train():
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optimizer.step()
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# Step the scheduler only during an actual gradient sync update
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if scheduler is not None and accelerator.sync_gradients:
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if not getattr(accelerator, "optimizer_step_was_skipped", False):
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scheduler.step()
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@@ -180,7 +176,6 @@ def train():
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ppl = math.exp(avg_loss) if avg_loss < 20 else float('inf')
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if accelerator.is_local_main_process:
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# Extract current LR to display on the tqdm panel
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current_lr = scheduler.get_last_lr()[0] if scheduler is not None else optimizer.param_groups[0]['lr']
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progress_bar.set_postfix({
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"loss": f"{loss.item():.4f}",
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shard_counter += 1
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#
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if accelerator.is_local_main_process:
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os.makedirs(current_checkpoint_path, exist_ok=True)
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unwrapped_model = accelerator.unwrap_model(model)
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torch.save(unwrapped_model.state_dict(),
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print(f"✅
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#
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accelerator.wait_for_everyone()
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if accelerator.is_local_main_process:
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os.makedirs(final_dir, exist_ok=True)
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unwrapped_model = accelerator.unwrap_model(model)
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torch.save(unwrapped_model.state_dict(),
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print("Final save completed
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if __name__ == "__main__":
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train()
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# =============================================================================
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import os
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# Включаем оптимизацию памяти для ROCm/HIP ДО импорта torch!
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os.environ["PYTORCH_HIP_ALLOC_CONF"] = "expandable_segments:True"
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import glob
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from transformers import Adafactor, get_cosine_schedule_with_warmup
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# --- GLOBAL CONSTANTS ---
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USE_COSINE_SCHEDULER = False # Set to False if you want to disable the scheduler (warmup + cosine)
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# --- 1. Lightweight Dataset ---
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class SingleShardDataset(Dataset):
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# --- 2. Main Training Function ---
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def train():
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grad_accumulation_steps = 24
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batch_size = 8
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# Initialize Accelerator
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accelerator = Accelerator(
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print(f"Shards found: {len(pt_files)}")
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print("Initializing JiRack 3.3B...")
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# Импортируем строго ваши классы из локального файла
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from JiRackNative_3b import TernaryTransformer3B, TernaryConfig
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config = TernaryConfig()
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else:
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if accelerator.is_local_main_process:
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print(f"-> Checkpoint not found at {checkpoint_load_path}, training will start from scratch.")
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model.gradient_checkpointing_enable()
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criterion = nn.CrossEntropyLoss()
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# Переносим модель на устройство через accelerator
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model = accelerator.prepare(model)
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# === ADAFACTOR CONFIGURATION FOR GPU ===
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# === CALCULATING AND INITIALIZING SCHEDULER WITH WARMUP ===
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scheduler = None
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if USE_COSINE_SCHEDULER:
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# Примерный расчет для сквозного или локального графика
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steps_per_shard = math.ceil(2000 / (batch_size * grad_accumulation_steps))
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total_steps = len(pt_files) * steps_per_shard
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num_warmup_steps = int(0.05 * total_steps)
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scheduler = get_cosine_schedule_with_warmup(
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optimizer=optimizer,
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num_warmup_steps=num_warmup_steps,
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print(f" Total training steps: {total_steps}")
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print(f" Warmup steps: {num_warmup_steps}")
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# Подготавливаем оптимизатор и планировщик
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if scheduler is not None:
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optimizer, scheduler = accelerator.prepare(optimizer, scheduler)
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else:
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if accelerator.is_local_main_process:
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print("Starting training...")
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os.makedirs(checkpoint_dir, exist_ok=True)
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# === ОСНОВНОЙ ЦИКЛ ПО ШАРДАМ ===
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for shard_path in pt_files:
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shard_name = os.path.basename(shard_path)
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if accelerator.is_local_main_process:
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optimizer.step()
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if scheduler is not None and accelerator.sync_gradients:
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if not getattr(accelerator, "optimizer_step_was_skipped", False):
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scheduler.step()
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ppl = math.exp(avg_loss) if avg_loss < 20 else float('inf')
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if accelerator.is_local_main_process:
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current_lr = scheduler.get_last_lr()[0] if scheduler is not None else optimizer.param_groups[0]['lr']
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progress_bar.set_postfix({
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"loss": f"{loss.item():.4f}",
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shard_counter += 1
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# Сохранение весов прямо в общую папку с указанием номера шарда в имени файла
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if accelerator.is_local_main_process:
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shard_checkpoint_path = os.path.join(checkpoint_dir, f"model_weights_shard_{shard_counter}.pt")
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unwrapped_model = accelerator.unwrap_model(model)
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torch.save(unwrapped_model.state_dict(), shard_checkpoint_path)
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print(f"✅ Saved after shard {shard_counter}: {shard_checkpoint_path}")
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# Финальное сохранение
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accelerator.wait_for_everyone()
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if accelerator.is_local_main_process:
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final_path = os.path.join(checkpoint_dir, "model_final_weights.pt")
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unwrapped_model = accelerator.unwrap_model(model)
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torch.save(unwrapped_model.state_dict(), final_path)
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print(f"Final save completed: {final_path}")
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if __name__ == "__main__":
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train()
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