XPK Start: Sun Apr 19 05:36:46 UTC 2026 2026-04-19 05:36:50.176608: E external/local_xla/xla/stream_executor/cuda/cuda_fft.cc:467] Unable to register cuFFT factory: Attempting to register factory for plugin cuFFT when one has already been registered WARNING: All log messages before absl::InitializeLog() is called are written to STDERR E0000 00:00:1776577010.189605 10 cuda_dnn.cc:8579] Unable to register cuDNN factory: Attempting to register factory for plugin cuDNN when one has already been registered E0000 00:00:1776577010.193449 10 cuda_blas.cc:1407] Unable to register cuBLAS factory: Attempting to register factory for plugin cuBLAS when one has already been registered W0000 00:00:1776577010.204712 10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once. W0000 00:00:1776577010.204730 10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once. W0000 00:00:1776577010.204732 10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once. W0000 00:00:1776577010.204734 10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once. 2026-04-19 05:37:09.336161: E external/local_xla/xla/stream_executor/cuda/cuda_platform.cc:51] failed call to cuInit: INTERNAL: CUDA error: Failed call to cuInit: UNKNOWN ERROR (303) I0419 05:37:09.858633 137808940541760 max_utils.py:273] Attempting to initialize the jax distributed system... INFO:2026-04-19 05:37:18,899:jax._src.distributed:140: Starting JAX distributed service on [::]:8482 I0419 05:37:18.899091 137808940541760 distributed.py:140] Starting JAX distributed service on [::]:8482 INFO:2026-04-19 05:37:18,901:jax._src.distributed:157: Connecting to JAX distributed service on mt-13-scan-layers-false-epeut-slice-job-0-0.mt-13-scan-layers-false-epeut:8482 I0419 05:37:18.901432 137808940541760 distributed.py:157] Connecting to JAX distributed service on mt-13-scan-layers-false-epeut-slice-job-0-0.mt-13-scan-layers-false-epeut:8482 I0419 05:37:20.533453 137808940541760 max_utils.py:284] Jax distributed system initialized! I0419 05:37:26.398539 137808940541760 max_utils.py:800] System Information: Jax Version: 0.8.1 I0419 05:37:26.398644 137808940541760 max_utils.py:801] System Information: Jaxlib Version: 0.8.1 I0419 05:37:26.398685 137808940541760 max_utils.py:802] System Information: Jax Backend: PJRT C API TFRT TPU v6 lite Built on Nov 12 2025 14:16:36 (1762985796) cl/831091709 I0419 05:37:26.398720 137808940541760 train_utils.py:377] WARNING: Sequence packing is essentially ignored for synthetic data. Please use a real dataset to use sequence packing. I0419 05:37:27.019214 137808940541760 maxtext_utils.py:1631] Num_devices: 32, shape (1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1) I0419 05:37:28.173328 137808940541760 checkpointing.py:688] Setting up checkpoint logger... I0419 05:37:28.173452 137808940541760 checkpointing.py:234] Creating checkpoint manager with ocdbt=True and zarr3=True I0419 05:37:28.173500 137808940541760 pytree_checkpoint_handler.py:589] save_device_host_concurrent_bytes=None I0419 05:37:28.173751 137808940541760 base_pytree_checkpoint_handler.py:415] Created BasePyTreeCheckpointHandler: use_ocdbt=True, use_zarr3=True, pytree_metadata_options=PyTreeMetadataOptions(support_rich_types=False), array_metadata_store=<orbax.checkpoint._src.metadata.array_metadata_store.Store object at 0x7d559914d940>, enable_pinned_host_transfer=False, save_concurrent_bytes: 96000000000 (89.4 GiB), restore_concurrent_bytes: 96000000000 (89.4 GiB) I0419 05:37:31.801876 137808940541760 checkpointing.py:266] Enabling policy for fixed interval checkpointing. I0419 05:37:31.802218 137808940541760 checkpoint_manager.py:709] [process=3][thread=MainThread] CheckpointManager init: checkpointers=None, item_names=('items',), item_handlers={'items': <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7d432d7346e0>}, handler_registry=None I0419 05:37:31.802475 137808940541760 composite_checkpoint_handler.py:237] Deferred registration for item: "items". Adding handler `<orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7d432d7346e0>` for item "items" and save args `<class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeSaveArgs'>` and restore args `<class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeRestoreArgs'>` to `_handler_registry`. I0419 05:37:31.802527 137808940541760 composite_checkpoint_handler.py:237] Deferred registration for item: "metrics". Adding handler `<orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7d432d749580>` for item "metrics" and save args `<class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonSaveArgs'>` and restore args `<class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonRestoreArgs'>` to `_handler_registry`. I0419 05:37:31.802565 137808940541760 composite_checkpoint_handler.py:505] Initialized registry DefaultCheckpointHandlerRegistry({('items', <class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeSaveArgs'>): <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7d432d7346e0>, ('items', <class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeRestoreArgs'>): <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7d432d7346e0>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonSaveArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7d432d749580>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonRestoreArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7d432d749580>}). I0419 05:37:31.802899 137808940541760 abstract_checkpointer.py:35] orbax-checkpoint version: 0.11.33 I0419 05:37:31.802977 137808940541760 async_checkpointer.py:177] [process=3][thread=MainThread] Using barrier_sync_fn: <function get_barrier_sync_fn.<locals>._fn at 0x7d432e1380e0> timeout: 600 secs and primary_host=0 for async checkpoint writes I0419 05:37:33.432292 137808940541760 checkpoint_manager.py:1818] Found 0 checkpoint steps in gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints I0419 05:37:33.444342 137808940541760 checkpoint_manager.py:929] [process=3][thread=MainThread] CheckpointManager created, primary_host=0, CheckpointManagerOptions=CheckpointManagerOptions(save_interval_steps=1, max_to_keep=None, keep_time_interval=None, keep_period=None, should_keep_fn=None, best_fn=None, best_mode='max', keep_checkpoints_without_metrics=True, step_prefix=None, step_format_fixed_length=None, step_name_format=None, create=True, cleanup_tmp_directories=False, save_on_steps=frozenset(), single_host_load_and_broadcast=False, todelete_subdir=None, todelete_full_path=None, enable_background_delete=False, read_only=False, enable_async_checkpointing=True, async_options=None, multiprocessing_options=MultiprocessingOptions(primary_host=0, active_processes=None, barrier_sync_key_prefix=None), should_save_fn=None, file_options=FileOptions(path_permission_mode=None), save_root_metadata=True, temporary_path_class=None, save_decision_policy=FixedIntervalPolicy(interval=10), preservation_policy=LatestN(n=None), prevent_write_metrics=False, enable_should_save_is_saving_in_progress_check=True, enable_per_process_directory_creation=False, lightweight_initialize=False), root_directory=gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints: <orbax.checkpoint.checkpoint_manager.CheckpointManager object at 0x7d432d7691f0> I0419 05:37:33.444469 137808940541760 checkpointing.py:302] Checkpoint manager created! I0419 05:37:35.864136 137808940541760 checkpointing.py:578] checkpoint manager exists so trying to load this run's existing checkpoint I0419 05:37:35.864282 137808940541760 checkpointing.py:676] No existing checkpoints found, not restoring checkpoint. fsdp: 32 I0419 05:37:45.806927 137808940541760 maxtext_utils.py:1749] decoder/decoder_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807055 137808940541760 maxtext_utils.py:1749] decoder/layers_0/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.807110 137808940541760 maxtext_utils.py:1749] decoder/layers_0/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.807160 137808940541760 maxtext_utils.py:1749] decoder/layers_0/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.807199 137808940541760 maxtext_utils.py:1749] decoder/layers_0/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807246 137808940541760 maxtext_utils.py:1749] decoder/layers_0/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807285 137808940541760 maxtext_utils.py:1749] decoder/layers_0/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807325 137808940541760 maxtext_utils.py:1749] decoder/layers_0/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.807361 137808940541760 maxtext_utils.py:1749] decoder/layers_0/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807396 137808940541760 maxtext_utils.py:1749] decoder/layers_0/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807430 137808940541760 maxtext_utils.py:1749] decoder/layers_1/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.807463 137808940541760 maxtext_utils.py:1749] decoder/layers_1/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.807496 137808940541760 maxtext_utils.py:1749] decoder/layers_1/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.807526 137808940541760 maxtext_utils.py:1749] decoder/layers_1/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807556 137808940541760 maxtext_utils.py:1749] decoder/layers_1/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807588 137808940541760 maxtext_utils.py:1749] decoder/layers_1/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807619 137808940541760 maxtext_utils.py:1749] decoder/layers_1/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.807650 137808940541760 maxtext_utils.py:1749] decoder/layers_1/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807680 137808940541760 maxtext_utils.py:1749] decoder/layers_1/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807712 137808940541760 maxtext_utils.py:1749] decoder/layers_10/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.807743 137808940541760 maxtext_utils.py:1749] decoder/layers_10/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.807774 137808940541760 maxtext_utils.py:1749] decoder/layers_10/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.807803 137808940541760 maxtext_utils.py:1749] decoder/layers_10/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807832 137808940541760 maxtext_utils.py:1749] decoder/layers_10/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.807862 137808940541760 maxtext_utils.py:1749] decoder/layers_10/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807893 137808940541760 maxtext_utils.py:1749] decoder/layers_10/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.807925 137808940541760 maxtext_utils.py:1749] decoder/layers_10/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807957 137808940541760 maxtext_utils.py:1749] decoder/layers_10/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.807989 137808940541760 maxtext_utils.py:1749] decoder/layers_11/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808022 137808940541760 maxtext_utils.py:1749] decoder/layers_11/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808053 137808940541760 maxtext_utils.py:1749] decoder/layers_11/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.808083 137808940541760 maxtext_utils.py:1749] decoder/layers_11/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.808112 137808940541760 maxtext_utils.py:1749] decoder/layers_11/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.808150 137808940541760 maxtext_utils.py:1749] decoder/layers_11/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808182 137808940541760 maxtext_utils.py:1749] decoder/layers_11/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.808213 137808940541760 maxtext_utils.py:1749] decoder/layers_11/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808254 137808940541760 maxtext_utils.py:1749] decoder/layers_11/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808286 137808940541760 maxtext_utils.py:1749] decoder/layers_12/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808317 137808940541760 maxtext_utils.py:1749] decoder/layers_12/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808347 137808940541760 maxtext_utils.py:1749] decoder/layers_12/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.808375 137808940541760 maxtext_utils.py:1749] decoder/layers_12/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.808419 137808940541760 maxtext_utils.py:1749] decoder/layers_12/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.808487 137808940541760 maxtext_utils.py:1749] decoder/layers_12/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808528 137808940541760 maxtext_utils.py:1749] decoder/layers_12/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.808562 137808940541760 maxtext_utils.py:1749] decoder/layers_12/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808593 137808940541760 maxtext_utils.py:1749] decoder/layers_12/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808624 137808940541760 maxtext_utils.py:1749] decoder/layers_13/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808653 137808940541760 maxtext_utils.py:1749] decoder/layers_13/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808682 137808940541760 maxtext_utils.py:1749] decoder/layers_13/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.808710 137808940541760 maxtext_utils.py:1749] decoder/layers_13/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.808738 137808940541760 maxtext_utils.py:1749] decoder/layers_13/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.808768 137808940541760 maxtext_utils.py:1749] decoder/layers_13/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808798 137808940541760 maxtext_utils.py:1749] decoder/layers_13/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.808827 137808940541760 maxtext_utils.py:1749] decoder/layers_13/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808857 137808940541760 maxtext_utils.py:1749] decoder/layers_13/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.808888 137808940541760 maxtext_utils.py:1749] decoder/layers_14/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808919 137808940541760 maxtext_utils.py:1749] decoder/layers_14/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.808949 137808940541760 maxtext_utils.py:1749] decoder/layers_14/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.808976 137808940541760 maxtext_utils.py:1749] decoder/layers_14/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809004 137808940541760 maxtext_utils.py:1749] decoder/layers_14/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809033 137808940541760 maxtext_utils.py:1749] decoder/layers_14/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809063 137808940541760 maxtext_utils.py:1749] decoder/layers_14/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.809092 137808940541760 maxtext_utils.py:1749] decoder/layers_14/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809122 137808940541760 maxtext_utils.py:1749] decoder/layers_14/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809156 137808940541760 maxtext_utils.py:1749] decoder/layers_15/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809186 137808940541760 maxtext_utils.py:1749] decoder/layers_15/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809216 137808940541760 maxtext_utils.py:1749] decoder/layers_15/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.809256 137808940541760 maxtext_utils.py:1749] decoder/layers_15/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809286 137808940541760 maxtext_utils.py:1749] decoder/layers_15/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809316 137808940541760 maxtext_utils.py:1749] decoder/layers_15/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809346 137808940541760 maxtext_utils.py:1749] decoder/layers_15/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.809375 137808940541760 maxtext_utils.py:1749] decoder/layers_15/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809405 137808940541760 maxtext_utils.py:1749] decoder/layers_15/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809434 137808940541760 maxtext_utils.py:1749] decoder/layers_2/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809463 137808940541760 maxtext_utils.py:1749] decoder/layers_2/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809493 137808940541760 maxtext_utils.py:1749] decoder/layers_2/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.809519 137808940541760 maxtext_utils.py:1749] decoder/layers_2/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809546 137808940541760 maxtext_utils.py:1749] decoder/layers_2/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809575 137808940541760 maxtext_utils.py:1749] decoder/layers_2/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809605 137808940541760 maxtext_utils.py:1749] decoder/layers_2/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.809635 137808940541760 maxtext_utils.py:1749] decoder/layers_2/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809664 137808940541760 maxtext_utils.py:1749] decoder/layers_2/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809693 137808940541760 maxtext_utils.py:1749] decoder/layers_3/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809722 137808940541760 maxtext_utils.py:1749] decoder/layers_3/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809752 137808940541760 maxtext_utils.py:1749] decoder/layers_3/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.809779 137808940541760 maxtext_utils.py:1749] decoder/layers_3/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809805 137808940541760 maxtext_utils.py:1749] decoder/layers_3/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.809834 137808940541760 maxtext_utils.py:1749] decoder/layers_3/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809864 137808940541760 maxtext_utils.py:1749] decoder/layers_3/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.809893 137808940541760 maxtext_utils.py:1749] decoder/layers_3/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809923 137808940541760 maxtext_utils.py:1749] decoder/layers_3/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.809951 137808940541760 maxtext_utils.py:1749] decoder/layers_4/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.809980 137808940541760 maxtext_utils.py:1749] decoder/layers_4/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810009 137808940541760 maxtext_utils.py:1749] decoder/layers_4/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.810035 137808940541760 maxtext_utils.py:1749] decoder/layers_4/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810062 137808940541760 maxtext_utils.py:1749] decoder/layers_4/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810093 137808940541760 maxtext_utils.py:1749] decoder/layers_4/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810123 137808940541760 maxtext_utils.py:1749] decoder/layers_4/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.810158 137808940541760 maxtext_utils.py:1749] decoder/layers_4/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810187 137808940541760 maxtext_utils.py:1749] decoder/layers_4/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810216 137808940541760 maxtext_utils.py:1749] decoder/layers_5/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810256 137808940541760 maxtext_utils.py:1749] decoder/layers_5/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810287 137808940541760 maxtext_utils.py:1749] decoder/layers_5/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.810314 137808940541760 maxtext_utils.py:1749] decoder/layers_5/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810341 137808940541760 maxtext_utils.py:1749] decoder/layers_5/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810371 137808940541760 maxtext_utils.py:1749] decoder/layers_5/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810400 137808940541760 maxtext_utils.py:1749] decoder/layers_5/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.810429 137808940541760 maxtext_utils.py:1749] decoder/layers_5/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810458 137808940541760 maxtext_utils.py:1749] decoder/layers_5/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810487 137808940541760 maxtext_utils.py:1749] decoder/layers_6/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810515 137808940541760 maxtext_utils.py:1749] decoder/layers_6/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810543 137808940541760 maxtext_utils.py:1749] decoder/layers_6/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.810569 137808940541760 maxtext_utils.py:1749] decoder/layers_6/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810595 137808940541760 maxtext_utils.py:1749] decoder/layers_6/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810624 137808940541760 maxtext_utils.py:1749] decoder/layers_6/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810653 137808940541760 maxtext_utils.py:1749] decoder/layers_6/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.810683 137808940541760 maxtext_utils.py:1749] decoder/layers_6/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810711 137808940541760 maxtext_utils.py:1749] decoder/layers_6/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810740 137808940541760 maxtext_utils.py:1749] decoder/layers_7/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810769 137808940541760 maxtext_utils.py:1749] decoder/layers_7/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.810798 137808940541760 maxtext_utils.py:1749] decoder/layers_7/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.810825 137808940541760 maxtext_utils.py:1749] decoder/layers_7/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810853 137808940541760 maxtext_utils.py:1749] decoder/layers_7/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.810882 137808940541760 maxtext_utils.py:1749] decoder/layers_7/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810912 137808940541760 maxtext_utils.py:1749] decoder/layers_7/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.810941 137808940541760 maxtext_utils.py:1749] decoder/layers_7/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810969 137808940541760 maxtext_utils.py:1749] decoder/layers_7/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.810997 137808940541760 maxtext_utils.py:1749] decoder/layers_8/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.811027 137808940541760 maxtext_utils.py:1749] decoder/layers_8/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.811056 137808940541760 maxtext_utils.py:1749] decoder/layers_8/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.811083 137808940541760 maxtext_utils.py:1749] decoder/layers_8/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.811109 137808940541760 maxtext_utils.py:1749] decoder/layers_8/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.811143 137808940541760 maxtext_utils.py:1749] decoder/layers_8/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.811173 137808940541760 maxtext_utils.py:1749] decoder/layers_8/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.811202 137808940541760 maxtext_utils.py:1749] decoder/layers_8/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.811230 137808940541760 maxtext_utils.py:1749] decoder/layers_8/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.811270 137808940541760 maxtext_utils.py:1749] decoder/layers_9/mlp/wi_0/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.811299 137808940541760 maxtext_utils.py:1749] decoder/layers_9/mlp/wi_1/kernel/value Shape: float32[2048,7168] Physical: ('fsdp', None) I0419 05:37:45.811328 137808940541760 maxtext_utils.py:1749] decoder/layers_9/mlp/wo/kernel/value Shape: float32[7168,2048] Physical: (None, 'fsdp') I0419 05:37:45.811354 137808940541760 maxtext_utils.py:1749] decoder/layers_9/post_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.811381 137808940541760 maxtext_utils.py:1749] decoder/layers_9/pre_self_attention_layer_norm/scale/value Shape: float32[2048] Physical: (None,) I0419 05:37:45.811410 137808940541760 maxtext_utils.py:1749] decoder/layers_9/self_attention/key/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.811439 137808940541760 maxtext_utils.py:1749] decoder/layers_9/self_attention/out/kernel/value Shape: float32[16,128,2048] Physical: (None, None, 'fsdp') I0419 05:37:45.811468 137808940541760 maxtext_utils.py:1749] decoder/layers_9/self_attention/query/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.811496 137808940541760 maxtext_utils.py:1749] decoder/layers_9/self_attention/value/kernel/value Shape: float32[2048,16,128] Physical: ('fsdp', None, None) I0419 05:37:45.811524 137808940541760 maxtext_utils.py:1749] decoder/logits_dense/kernel/value Shape: float32[2048,32000] Physical: ('fsdp', None) I0419 05:37:45.811553 137808940541760 maxtext_utils.py:1749] token_embedder/embedding/value Shape: float32[32000,2048] Physical: (None, 'fsdp') I0419 05:37:46.689368 137808940541760 nnx_decoders.py:770] nnx_decoders/y_in Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_norm_length', 'activation_embed'). I0419 05:37:46.689471 137808940541760 nnx_decoders.py:770] nnx_decoders/y_in Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None). I0419 05:37:46.694570 137808940541760 nnx_decoders.py:770] Unknown Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_norm_length', 'activation_embed'). I0419 05:37:46.694626 137808940541760 nnx_decoders.py:770] Unknown Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None). I0419 05:37:46.710672 137808940541760 attentions.py:1084] attentions/inputs_q Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed'). I0419 05:37:46.710739 137808940541760 attentions.py:1084] attentions/inputs_q Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None). I0419 05:37:46.726170 137808940541760 attentions.py:1085] attentions/inputs_kv Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed'). I0419 05:37:46.726228 137808940541760 attentions.py:1085] attentions/inputs_kv Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None). I0419 05:37:46.750709 137808940541760 attentions.py:1150] attentions/query Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim'). I0419 05:37:46.750776 137808940541760 attentions.py:1150] attentions/query Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None). I0419 05:37:46.766438 137808940541760 attentions.py:1151] attentions/key Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim'). I0419 05:37:46.766500 137808940541760 attentions.py:1151] attentions/key Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None). I0419 05:37:46.781903 137808940541760 attentions.py:1152] attentions/value Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim'). I0419 05:37:46.781970 137808940541760 attentions.py:1152] attentions/value Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None). I0419 05:37:46.813261 137808940541760 attentions.py:1193] attentions/out Logical: bfloat16[32,2048,16,128].................................... ('activation_batch', 'activation_attn_length', 'activation_heads', 'activation_kv'). I0419 05:37:46.813332 137808940541760 attentions.py:1193] attentions/out Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None). I0419 05:37:46.832916 137808940541760 linears.py:541] linears/x Logical: bfloat16[32,2048,7168]...................................... ('activation_batch', 'activation_length', 'activation_mlp'). I0419 05:37:46.832980 137808940541760 linears.py:541] linears/x Physical: bfloat16[32,2048,7168]...................................... ('fsdp', None, None). I0419 05:38:47.881108 137808940541760 max_utils.py:791] Total memory size: 1.8 GB, Output size: 0.4 GB, Temp size: 1.4 GB, Argument size: 0.4 GB, Host temp size: 0.0 GB. I0419 05:38:47.893458 137808940541760 metric_logger.py:289] number parameters: 1.104 billion I0419 05:39:51.367961 137808940541760 checkpointing.py:794] Waiting for step 0 to finish before checkpoint... I0419 05:39:51.641491 137808940541760 checkpointing.py:798] Waited 0.2735154628753662 seconds for step 0 to finish before starting checkpointing. I0419 05:39:51.644728 137808940541760 checkpoint_manager.py:2013] [process=3][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning. I0419 05:39:51.646716 137808940541760 checkpoint_manager.py:1518] [process=3] Saving checkpoint at step 0 I0419 05:39:51.649488 137808940541760 async_checkpointer.py:452] [process=3] Started async saving checkpoint to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints/0. I0419 05:39:53.534141 137808940541760 signaling_client.py:364] Using JaxDistributedSignalingClient I0419 05:39:53.535431 137808940541760 jax_array_handlers.py:358] Scheduling D2H of 648 prioritized jax.Array. I0419 05:39:53.535546 137808940541760 replica_slices.py:424] Transferring arrays to host memory with options: use_replica_parallel=True, min_slice_bytes_for_replica_parallel=None, max_replicas_for_replica_parallel=None, enable_pinned_host_transfer=False I0419 05:39:53.850846 137808940541760 base_pytree_checkpoint_handler.py:153] [process=3][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.323456s I0419 05:39:53.851017 137808940541760 base_pytree_checkpoint_handler.py:129] [process=3] /jax/checkpoint/write/blocking_gbytes_per_sec: 1.456 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 1.0593440532684326 s) (per-host) I0419 05:39:53.851067 137808940541760 base_pytree_checkpoint_handler.py:737] [process=3][thread=MainThread] Initiated Pytree async_save. Time taken: 1.059403s (batch_requests_ready=0.700408s, total_serialization_initiated=0.358928s, others=0.000067s) I0419 05:39:53.851455 137808940541760 composite_checkpoint_handler.py:715] [process=3][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 1.064020s (all_items=0.000020s, per_item={'items': '0.00002027'}, temp_paths=1.064000) I0419 05:39:53.852452 137690091591424 async_checkpointer.py:79] [process=3][thread=async_save] Background save thread started. I0419 05:39:53.852624 137808940541760 async_checkpointer.py:561] Finished blocking save. Time taken: 2.205836s. Continuing background save to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints/0. I0419 05:39:53.888292 137808940541760 checkpoint_manager.py:1566] [process=3][thread=MainThread][step=0] Starting CheckpointManager Save Finalize thread=save_finalize I0419 05:39:53.888614 137686383851264 async_checkpointer.py:265] [process=3][thread=save_finalize] Waiting for background save thread=async_save. I0419 05:39:53.888773 137808940541760 standard_logger.py:34] {'step': 0, 'event_type': 'save', 'directory': 'gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1776577191.6447096, 'wait_for_prev_duration_secs': 6.508827209472656e-05, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1776577191.6467566, 'checkpointer_blocking_duration_secs': 2.205974817276001, 'get_old_steps_start_time': 1776577193.8527517, 'get_old_steps_duration_secs': 2.6226043701171875e-05, 'checkpoint_manager_blocking_start_time': 1776577191.6429515, 'checkpoint_manager_blocking_duration_secs': 2.245784282684326} I0419 05:39:53.889014 137808940541760 checkpointing.py:409] Started an asynchronous checkpoint save for step 0 I0419 05:39:53.889265 137808940541760 max_utils.py:750] Memstats: After params initialized: I0419 05:39:53.889321 137808940541760 max_utils.py:756] Using (GB) 0.82 / 31.25 (2.624000%) on TPU_10(process=3,(2,2,0,0)) I0419 05:39:53.889355 137808940541760 max_utils.py:756] Using (GB) 0.82 / 31.25 (2.624000%) on TPU_11(process=3,(3,2,0,0)) I0419 05:39:53.889382 137808940541760 max_utils.py:756] Using (GB) 0.82 / 31.25 (2.624000%) on TPU_14(process=3,(2,3,0,0)) I0419 05:39:53.889407 137808940541760 max_utils.py:756] Using (GB) 0.82 / 31.25 (2.624000%) on TPU_15(process=3,(3,3,0,0)) I0419 05:39:54.226425 137808940541760 metric_logger.py:185] completed step: 0, seconds: 63.468, TFLOP/s/device: 0.214, Tokens/s/device: 32.268, total_weights: 65536, loss: 10.874 I0419 05:39:54.346473 137808940541760 metric_logger.py:185] completed step: 1, seconds: 2.843, TFLOP/s/device: 4.779, Tokens/s/device: 720.325, total_weights: 65536, loss: 10.874 I0419 05:39:54.866432 137808940541760 metric_logger.py:185] completed step: 2, seconds: 0.059, TFLOP/s/device: 229.118, Tokens/s/device: 34535.092, total_weights: 65536, loss: 10.265 I0419 05:39:55.002661 137808940541760 metric_logger.py:185] completed step: 3, seconds: 0.399, TFLOP/s/device: 34.042, Tokens/s/device: 5131.160, total_weights: 65536, loss: 9.736 I0419 05:39:55.280435 137808940541760 metric_logger.py:185] completed step: 4, seconds: 0.215, TFLOP/s/device: 63.206, Tokens/s/device: 9527.132, total_weights: 65536, loss: 9.279 I0419 05:39:55.303963 137808940541760 metric_logger.py:185] completed step: 5, seconds: 0.136, TFLOP/s/device: 99.843, Tokens/s/device: 15049.418, total_weights: 65536, loss: 8.894 I0419 05:40:18.035610 137808940541760 metric_logger.py:185] completed step: 6, seconds: 0.278, TFLOP/s/device: 48.842, Tokens/s/device: 7362.007, total_weights: 65536, loss: 8.595 I0419 05:40:18.172255 137808940541760 metric_logger.py:185] completed step: 7, seconds: 22.609, TFLOP/s/device: 0.601, Tokens/s/device: 90.582, total_weights: 65536, loss: 8.387 I0419 05:40:18.308897 137808940541760 metric_logger.py:185] completed step: 8, seconds: 0.146, TFLOP/s/device: 93.207, Tokens/s/device: 14049.145, total_weights: 65536, loss: 8.258 I0419 05:40:18.452686 137808940541760 checkpointing.py:794] Waiting for step 9 to finish before checkpoint... I0419 05:40:18.457297 137808940541760 checkpointing.py:798] Waited 0.004616975784301758 seconds for step 9 to finish before starting checkpointing. I0419 05:40:18.460602 137808940541760 checkpoint_manager.py:2024] [process=3][thread=MainThread][step=0][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete. I0419 05:40:20.010966 2621 google_auth_provider.cc:181] Running on GCE, using service account 562977990677-compute@developer.gserviceaccount.com I0419 05:40:22.469324 137690099984128 array_metadata_store.py:203] [process=3][thread=array_type_handler] Wrote 648 array_metadata.ArrayMetadata to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints/0/items/array_metadatas/process_3 I0419 05:40:50.047316 137690091591424 base_pytree_checkpoint_handler.py:129] [process=3] /jax/checkpoint/write/gbytes_per_sec: 27.589 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 57.2555775642395 s) (per-host) I0419 05:40:50.047466 137690091591424 async_checkpointer.py:90] [process=3][thread=async_save] 3 Handler Commit operations completed. Time taken: 56.194897s. I0419 05:41:02.397153 137690091591424 async_checkpointer.py:144] [process=3][thread=async_save] Background save thread done. Time taken: 68.544570s. I0419 05:41:02.397406 137686383851264 async_checkpointer.py:273] [process=3][thread=save_finalize] Done with waiting for background save thread=async_save. I0419 05:41:02.397476 137686383851264 async_checkpointer.py:283] [process=3][thread=save_finalize] No errors found in background save thread=async_save. I0419 05:41:02.397539 137686383851264 checkpoint_manager.py:2133] [process=3][thread=save_finalize][step=0] CheckpointManager Save Finalize is syncing with other hosts... I0419 05:41:02.399531 137686383851264 checkpoint_manager.py:2142] [process=3][thread=save_finalize][step=0] CheckpointManager Save Finalize is done on all hosts. I0419 05:41:02.399723 137808940541760 checkpoint_manager.py:2036] [process=3][thread=MainThread][step=0][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=0. W0419 05:41:02.399873 137808940541760 checkpoint_manager.py:1458] Waiting for previous save to complete took 43.939277 seconds. If this number is high, consider checkpointing less frequently. I0419 05:41:02.402052 137808940541760 checkpoint_manager.py:1518] [process=3] Saving checkpoint at step 9 I0419 05:41:02.405566 137808940541760 async_checkpointer.py:452] [process=3] Started async saving checkpoint to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints/9. I0419 05:41:03.857338 137808940541760 jax_array_handlers.py:358] Scheduling D2H of 648 prioritized jax.Array. I0419 05:41:03.857475 137808940541760 replica_slices.py:424] Transferring arrays to host memory with options: use_replica_parallel=True, min_slice_bytes_for_replica_parallel=None, max_replicas_for_replica_parallel=None, enable_pinned_host_transfer=False I0419 05:41:04.030326 137808940541760 base_pytree_checkpoint_handler.py:153] [process=3][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.181569s I0419 05:41:04.030487 137808940541760 base_pytree_checkpoint_handler.py:129] [process=3] /jax/checkpoint/write/blocking_gbytes_per_sec: 1.681 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.9176712036132812 s) (per-host) I0419 05:41:04.030535 137808940541760 base_pytree_checkpoint_handler.py:737] [process=3][thread=MainThread] Initiated Pytree async_save. Time taken: 0.917727s (batch_requests_ready=0.702102s, total_serialization_initiated=0.215562s, others=0.000064s) I0419 05:41:04.030903 137808940541760 composite_checkpoint_handler.py:715] [process=3][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.922530s (all_items=0.000016s, per_item={'items': '0.00001597'}, temp_paths=0.922514) I0419 05:41:04.031796 137690099984128 async_checkpointer.py:79] [process=3][thread=async_save] Background save thread started. I0419 05:41:04.031965 137808940541760 async_checkpointer.py:561] Finished blocking save. Time taken: 1.629837s. Continuing background save to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints/9. I0419 05:41:04.034178 137808940541760 checkpoint_manager.py:1566] [process=3][thread=MainThread][step=9] Starting CheckpointManager Save Finalize thread=save_finalize I0419 05:41:04.034431 137686383851264 async_checkpointer.py:265] [process=3][thread=save_finalize] Waiting for background save thread=async_save. I0419 05:41:04.034555 137808940541760 standard_logger.py:34] {'step': 9, 'event_type': 'save', 'directory': 'gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1776577218.460571, 'wait_for_prev_duration_secs': 43.939276695251465, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1776577262.4020936, 'checkpointer_blocking_duration_secs': 1.629986047744751, 'get_old_steps_start_time': 1776577264.032103, 'get_old_steps_duration_secs': 2.7179718017578125e-05, 'checkpoint_manager_blocking_start_time': 1776577218.4584363, 'checkpoint_manager_blocking_duration_secs': 45.57608413696289} I0419 05:41:04.034794 137808940541760 checkpointing.py:409] Started an asynchronous checkpoint save for step 9 I0419 05:41:04.034840 137808940541760 checkpoint_manager.py:2024] [process=3][thread=MainThread][step=9][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete. I0419 05:41:10.648100 137690091591424 array_metadata_store.py:203] [process=3][thread=array_type_handler] Wrote 648 array_metadata.ArrayMetadata to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_set_defaults_true_20260419_025828/nnx_xpk_feat_nnx_set_defaults_true_20260419_025828_13_scan_layers_false/checkpoints/9/items/array_metadatas/process_3 I0419 05:41:45.185335 137690099984128 base_pytree_checkpoint_handler.py:129] [process=3] /jax/checkpoint/write/gbytes_per_sec: 37.545 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 42.07247519493103 s) (per-host) I0419 05:41:45.185462 137690099984128 async_checkpointer.py:90] [process=3][thread=async_save] 3 Handler Commit operations completed. Time taken: 41.153548s. I0419 05:41:54.626269 137690099984128 async_checkpointer.py:144] [process=3][thread=async_save] Background save thread done. Time taken: 50.594315s. I0419 05:41:54.626580 137686383851264 async_checkpointer.py:273] [process=3][thread=save_finalize] Done with waiting for background save thread=async_save. I0419 05:41:54.626702 137686383851264 async_checkpointer.py:283] [process=3][thread=save_finalize] No errors found in background save thread=async_save. I0419 05:41:54.626751 137686383851264 checkpoint_manager.py:2133] [process=3][thread=save_finalize][step=9] CheckpointManager Save Finalize is syncing with other hosts... I0419 05:41:54.628445 137686383851264 checkpoint_manager.py:2142] [process=3][thread=save_finalize][step=9] CheckpointManager Save Finalize is done on all hosts. I0419 05:41:54.628622 137808940541760 checkpoint_manager.py:2036] [process=3][thread=MainThread][step=9][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=9. I0419 05:41:54.628970 137808940541760 checkpoint_manager.py:2013] [process=3][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning. I0419 05:41:54.629632 137808940541760 metric_logger.py:185] completed step: 9, seconds: 0.137, TFLOP/s/device: 99.154, Tokens/s/device: 14945.632, total_weights: 65536, loss: 8.182 Per train step: Total TFLOPs: 13.59 split as 93.93% learnable weight flops and 6.07% attention flops XPK End: Sun Apr 19 05:42:06 UTC 2026 EXIT_CODE=0