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 W0127 11:26:50.717000 3370624 site-packages/torch/distributed/run.py:803]
W0127 11:26:50.717000 3370624 site-packages/torch/distributed/run.py:803] *****************************************
W0127 11:26:50.717000 3370624 site-packages/torch/distributed/run.py:803] Setting OMP_NUM_THREADS environment variable for each process to be 1 in default, to avoid your system being overloaded, please further tune the variable for optimal performance in your application as needed.
W0127 11:26:50.717000 3370624 site-packages/torch/distributed/run.py:803] *****************************************
2026-01-27 11:26:55,908 - WARNING - chunkwise_backward is incompatible with FSDP; disabling it.
2026-01-27 11:26:55,909 - INFO - ============================================================
2026-01-27 11:26:55,909 - INFO - Qwen3-4B + Titans training (DDP/FSDP)
2026-01-27 11:26:55,909 - INFO - ============================================================
2026-01-27 11:26:55,909 - INFO - distributed=True, world_size=4, use_fsdp=True
2026-01-27 11:26:55,909 - INFO - mode=TRAIN
2026-01-27 11:26:55,909 - INFO - model_path=/data/huangyifei/huggingface_cache/hub/models--Qwen--Qwen3-4B-Instruct-2507/snapshots/cdbee75f17c01a7cc42f958dc650907174af0554
2026-01-27 11:26:55,909 - INFO - data_path=/data/yty/BABILong/babilong-train-5k-samples/data/qa1/32k.json
2026-01-27 11:26:55,909 - INFO - output_dir=./outputs/qwen_babilong_no_memory
2026-01-27 11:26:55,909 - INFO - max_samples=2500
2026-01-27 11:26:55,909 - INFO - max_length=32768
2026-01-27 11:26:55,909 - INFO - chunk_size=4096
2026-01-27 11:26:55,909 - INFO - use_memory=False
2026-01-27 11:26:55,909 - INFO - chunkwise_backward=False
2026-01-27 11:26:55,909 - INFO - label_prefix_tokens=0
2026-01-27 11:26:55,909 - INFO - detach_mem_state=True
Loading checkpoint shards: 0%| | 0/3 [00:00<?, ?it/s] Loading checkpoint shards: 0%| | 0/3 [00:00<?, ?it/s] Loading checkpoint shards: 0%| | 0/3 [00:00<?, ?it/s] Loading checkpoint shards: 0%| | 0/3 [00:00<?, ?it/s] Loading checkpoint shards: 33%|███▎ | 1/3 [00:00<00:01, 1.16it/s] Loading checkpoint shards: 33%|███▎ | 1/3 [00:00<00:01, 1.09it/s] Loading checkpoint shards: 33%|███▎ | 1/3 [00:00<00:01, 1.20it/s] Loading checkpoint shards: 33%|███▎ | 1/3 [00:00<00:01, 1.27it/s] Loading checkpoint shards: 67%|██████▋ | 2/3 [00:01<00:00, 1.07it/s] Loading checkpoint shards: 67%|██████▋ | 2/3 [00:01<00:00, 1.04it/s] Loading checkpoint shards: 67%|██████▋ | 2/3 [00:01<00:00, 1.08it/s] Loading checkpoint shards: 67%|██████▋ | 2/3 [00:01<00:00, 1.10it/s] Loading checkpoint shards: 100%|██████████| 3/3 [00:01<00:00, 1.60it/s] Loading checkpoint shards: 100%|██████████| 3/3 [00:01<00:00, 1.55it/s]
Loading checkpoint shards: 100%|██████████| 3/3 [00:01<00:00, 1.62it/s] Loading checkpoint shards: 100%|██████████| 3/3 [00:01<00:00, 1.66it/s]
2026-01-27 11:27:28,081 - INFO - Loading dataset: /data/yty/BABILong/babilong-train-5k-samples/data/qa1/32k.json
2026-01-27 11:27:28,095 - INFO - Loading dataset: /data/yty/BABILong/babilong-train-5k-samples/data/qa1/32k.json
2026-01-27 11:27:28,096 - INFO - Loading dataset: /data/yty/BABILong/babilong-train-5k-samples/data/qa1/32k.json
2026-01-27 11:27:28,097 - INFO - Loading dataset: /data/yty/BABILong/babilong-train-5k-samples/data/qa1/32k.json
2026-01-27 11:27:32,272 - INFO - Dataset size: 2500
2026-01-27 11:27:32,273 - INFO - [QwenTitansForBABILong] Initialized (memory disabled)
2026-01-27 11:27:32,273 - INFO - - hidden_size: 2560
2026-01-27 11:27:32,273 - INFO - - chunk_size: 4096
2026-01-27 11:27:32,308 - INFO - Dataset size: 2500
2026-01-27 11:27:32,309 - INFO - [QwenTitansForBABILong] Initialized (memory disabled)
2026-01-27 11:27:32,309 - INFO - - hidden_size: 2560
2026-01-27 11:27:32,309 - INFO - - chunk_size: 4096
2026-01-27 11:27:32,347 - INFO - Param groups: memory=0, pretrained=398
/root/githubs/titans-pytorch/examples/train_qwen_titans_babilong.py:768: FutureWarning: `torch.cuda.amp.GradScaler(args...)` is deprecated. Please use `torch.amp.GradScaler('cuda', args...)` instead.
self.scaler = torch.cuda.amp.GradScaler(enabled=config.fp16)
2026-01-27 11:27:32,349 - INFO - Start training
2026-01-27 11:27:32,349 - INFO - Epoch 1/3
Epoch 1/3: 0%| | 0/563 [00:00<?, ?it/s]2026-01-27 11:27:32,382 - INFO - Param groups: memory=0, pretrained=398
/root/githubs/titans-pytorch/examples/train_qwen_titans_babilong.py:768: FutureWarning: `torch.cuda.amp.GradScaler(args...)` is deprecated. Please use `torch.amp.GradScaler('cuda', args...)` instead.
self.scaler = torch.cuda.amp.GradScaler(enabled=config.fp16)
2026-01-27 11:27:32,442 - INFO - Dataset size: 2500
2026-01-27 11:27:32,444 - INFO - [QwenTitansForBABILong] Initialized (memory disabled)
2026-01-27 11:27:32,444 - INFO - - hidden_size: 2560
2026-01-27 11:27:32,444 - INFO - - chunk_size: 4096
2026-01-27 11:27:32,462 - INFO - Dataset size: 2500
2026-01-27 11:27:32,466 - INFO - [QwenTitansForBABILong] Initialized (memory disabled)
2026-01-27 11:27:32,466 - INFO - - hidden_size: 2560
2026-01-27 11:27:32,466 - INFO - - chunk_size: 4096
2026-01-27 11:27:32,519 - INFO - Param groups: memory=0, pretrained=398
/root/githubs/titans-pytorch/examples/train_qwen_titans_babilong.py:768: FutureWarning: `torch.cuda.amp.GradScaler(args...)` is deprecated. Please use `torch.amp.GradScaler('cuda', args...)` instead.
self.scaler = torch.cuda.amp.GradScaler(enabled=config.fp16)
2026-01-27 11:27:32,544 - INFO - Param groups: memory=0, pretrained=398
/root/githubs/titans-pytorch/examples/train_qwen_titans_babilong.py:768: FutureWarning: `torch.cuda.amp.GradScaler(args...)` is deprecated. Please use `torch.amp.GradScaler('cuda', args...)` instead.
self.scaler = torch.cuda.amp.GradScaler(enabled=config.fp16)
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Traceback (most recent call last):
File "/root/miniforge/lib/python3.12/subprocess.py", line 1990, in _internal_poll
pid, sts = _waitpid(self.pid, _WNOHANG)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 85, in _terminate_process_handler
sigval = signal.Signals(signum)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
torch.distributed.elastic.multiprocessing.api.SignalException: Process 3370624 got signal: 1
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/root/miniforge/bin/torchrun", line 7, in <module>
sys.exit(main())
^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/multiprocessing/errors/__init__.py", line 357, in wrapper
@wraps(f)
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/run.py", line 936, in main
if args.module:
^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/run.py", line 927, in run
cmd_args.append(args.training_script)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/launcher/api.py", line 156, in __call__
# entrypoint is a command and ``script.py`` is the python module.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/launcher/api.py", line 284, in launch_agent
rdzv_handler=rdzv_registry.get_rendezvous_handler(rdzv_parameters),
^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/metrics/api.py", line 138, in wrapper
raise
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/agent/server/api.py", line 717, in run
"""Restart (stops, rendezvous, starts) all local workers in the group."""
^^^^^^^^^^^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/agent/server/api.py", line 882, in _invoke_run
flakiness = 100.0
^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/metrics/api.py", line 138, in wrapper
raise
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/agent/server/local_elastic_agent.py", line 389, in _monitor_workers
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 537, in wait
"TORCHELASTIC_SIGNALS_TO_HANDLE", "SIGTERM,SIGINT,SIGHUP,SIGQUIT"
^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 858, in _poll
def pids(self) -> dict[int, int]:
^^^^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/subprocess.py", line 1236, in poll
return self._internal_poll()
^^^^^^^^^^^^^^^^^^^^^
File "/root/miniforge/lib/python3.12/subprocess.py", line 2004, in _internal_poll
self._waitpid_lock.release()
File "/root/miniforge/lib/python3.12/site-packages/torch/distributed/elastic/multiprocessing/api.py", line 85, in _terminate_process_handler
sigval = signal.Signals(signum)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
torch.distributed.elastic.multiprocessing.api.SignalException: Process 3370624 got signal: 15
[W128 06:35:14.145474637 AllocatorConfig.cpp:28] Warning: PYTORCH_CUDA_ALLOC_CONF is deprecated, use PYTORCH_ALLOC_CONF instead (function operator())