MaxView

XPK Start: Fri Apr 24 10:43:33 UTC 2026
PyTorch was not found. Models won't be available and only tokenizers, configuration and file/data utilities can be used.
`rope_parameters`'s factor field must be a float >= 1, got 40
`rope_parameters`'s beta_fast field must be a float, got 32
`rope_parameters`'s beta_slow field must be a float, got 1
DeepseekV32Config got `key=rope_scaling` in kwargs but hasn't set it as attribute. For RoPE standardization you need to set `self.rope_parameters` in model's config. 
2026-04-24 10:43:58.148733: 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)
I0424 10:43:58.360131 139110192469824 max_utils.py:273] Attempting to initialize the jax distributed system...
I0424 10:44:07.399626 139110192469824 distributed.py:149] Starting JAX distributed service on [::]:8482
I0424 10:44:07.401939 139110192469824 distributed.py:172] Connecting to JAX distributed service on mt-02-synthetic-xixao-slice-job-0-0.mt-02-synthetic-xixao:8482
I0424 10:44:08.388763 139110192469824 max_utils.py:284] Jax distributed system initialized!
I0424 10:44:13.427239 139110192469824 max_utils.py:800] System Information: Jax Version: 0.9.2
I0424 10:44:13.427344 139110192469824 max_utils.py:801] System Information: Jaxlib Version: 0.9.2
I0424 10:44:13.427385 139110192469824 max_utils.py:802] System Information: Jax Backend: PJRT C API
TFRT TPU v6 lite
Built on Mar 4 2026 11:32:08 (1772652728) cl/878335365
I0424 10:44:13.427422 139110192469824 train_utils.py:391] WARNING: Sequence packing is essentially ignored for synthetic data. Please use a real dataset to use sequence packing.
I0424 10:44:14.119789 139110192469824 maxtext_utils.py:1732] Num_devices: 32, shape (1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1)
I0424 10:44:14.232228 139110192469824 checkpointing.py:688] Setting up checkpoint logger...
I0424 10:44:14.232342 139110192469824 checkpointing.py:234] Creating checkpoint manager with ocdbt=True and zarr3=True
I0424 10:44:14.232391 139110192469824 pytree_checkpoint_handler.py:592] save_device_host_concurrent_bytes=None
I0424 10:44:14.232591 139110192469824 base_pytree_checkpoint_handler.py:441] 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 0x7e8465e50fb0>, enable_pinned_host_transfer=False, save_concurrent_bytes: 96000000000 (89.4 GiB), restore_concurrent_bytes: 96000000000 (89.4 GiB)
I0424 10:44:17.107789 139110192469824 checkpointing.py:266] Enabling policy for fixed interval checkpointing.
I0424 10:44:17.107980 139110192469824 checkpoint_manager.py:708] [process=5][thread=MainThread] CheckpointManager init: checkpointers=None, item_names=('items',), item_handlers={'items': <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7e70f043b350>}, handler_registry=None
I0424 10:44:17.108217 139110192469824 composite_checkpoint_handler.py:237] Deferred registration for item: "items". Adding handler `<orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7e70f043b350>` 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`.
I0424 10:44:17.108265 139110192469824 composite_checkpoint_handler.py:237] Deferred registration for item: "metrics". Adding handler `<orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7e70c077bef0>` 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`.
I0424 10:44:17.108301 139110192469824 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 0x7e70f043b350>, ('items', <class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeRestoreArgs'>): <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7e70f043b350>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonSaveArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7e70c077bef0>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonRestoreArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7e70c077bef0>}).
I0424 10:44:17.108621 139110192469824 abstract_checkpointer.py:35] orbax-checkpoint version: 0.11.34
I0424 10:44:17.108713 139110192469824 async_checkpointer.py:192] [process=5][thread=MainThread] Using barrier_sync_fn: <function get_barrier_sync_fn.<locals>._fn at 0x7e70c07534c0> timeout: 1200 secs and primary_host=0 for async checkpoint writes
I0424 10:44:18.044286 139110192469824 checkpoint_manager.py:1812] Found 0 checkpoint steps in gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints
I0424 10:44:18.053525 139110192469824 checkpoint_manager.py:929] [process=5][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_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints: <orbax.checkpoint.checkpoint_manager.CheckpointManager object at 0x7e70c07b6150>
I0424 10:44:18.053646 139110192469824 checkpointing.py:302] Checkpoint manager created!
I0424 10:44:19.021423 139110192469824 checkpointing.py:578] checkpoint manager exists so trying to load this run's existing checkpoint
I0424 10:44:19.021538 139110192469824 checkpointing.py:676] No existing checkpoints found, not restoring checkpoint.
fsdp: 32

I0424 10:44:20.806056 139110192469824 nnx_decoders.py:465] nnx_decoders/carry Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_norm_length', 'activation_embed').
I0424 10:44:20.806154 139110192469824 nnx_decoders.py:465] nnx_decoders/carry Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0424 10:44:20.811739 139110192469824 nnx_decoders.py:465] Unknown Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_norm_length', 'activation_embed').
I0424 10:44:20.811797 139110192469824 nnx_decoders.py:465] Unknown Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0424 10:44:20.828188 139110192469824 attentions.py:1088] attentions/inputs_q Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed').
I0424 10:44:20.828250 139110192469824 attentions.py:1088] attentions/inputs_q Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0424 10:44:20.844095 139110192469824 attentions.py:1089] attentions/inputs_kv Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed').
I0424 10:44:20.844161 139110192469824 attentions.py:1089] attentions/inputs_kv Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0424 10:44:20.868129 139110192469824 attentions.py:1154] attentions/query Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0424 10:44:20.868192 139110192469824 attentions.py:1154] attentions/query Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0424 10:44:20.884141 139110192469824 attentions.py:1155] attentions/key Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0424 10:44:20.884207 139110192469824 attentions.py:1155] attentions/key Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0424 10:44:20.899994 139110192469824 attentions.py:1156] attentions/value Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0424 10:44:20.900055 139110192469824 attentions.py:1156] attentions/value Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0424 10:44:20.931342 139110192469824 attentions.py:1198] attentions/out Logical: bfloat16[32,2048,16,128].................................... ('activation_batch', 'activation_attn_length', 'activation_heads', 'activation_kv').
I0424 10:44:20.931416 139110192469824 attentions.py:1198] attentions/out Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0424 10:44:20.951411 139110192469824 linears.py:525] linears/x Logical: bfloat16[32,2048,7168]...................................... ('activation_batch', 'activation_length', 'activation_mlp').
I0424 10:44:20.951471 139110192469824 linears.py:525] linears/x Physical: bfloat16[32,2048,7168]...................................... ('fsdp', None, None).
I0424 10:44:32.263469 139110192469824 max_utils.py:791] Total memory size: 1.5 GB, Output size: 0.4 GB, Temp size: 1.1 GB, Argument size: 0.4 GB, Host temp size: 0.0 GB.
I0424 10:44:32.265860 139110192469824 metric_logger.py:301] number parameters: 1.104 billion
I0424 10:44:43.691406 139110192469824 checkpointing.py:794] Waiting for step 0 to finish before checkpoint...
I0424 10:44:43.844037 139110192469824 checkpointing.py:798] Waited 0.15261030197143555 seconds for step 0 to finish before starting checkpointing.
I0424 10:44:43.846412 139110192469824 checkpoint_manager.py:2009] [process=5][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0424 10:44:43.848109 139110192469824 checkpoint_manager.py:1512] [process=5] Saving checkpoint at step 0
I0424 10:44:43.849575 139110192469824 event_tracking.py:70] [process=5] [async] Started save checkpoint @ gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints/0.
I0424 10:44:44.183377 139110192469824 signaling_client.py:364] Using JaxDistributedSignalingClient
I0424 10:44:44.184321 139110192469824 jax_array_handlers.py:360] Scheduling D2H of 69 prioritized jax.Array.
I0424 10:44:44.184379 139110192469824 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
I0424 10:44:44.461365 139110192469824 base_pytree_checkpoint_handler.py:154] [process=5][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.278752s
I0424 10:44:44.461534 139110192469824 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/blocking_gbytes_per_sec: 5.353 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.2881438732147217 s) (per-host)
I0424 10:44:44.461586 139110192469824 base_pytree_checkpoint_handler.py:768] [process=5][thread=MainThread] Initiated Pytree async_save. Time taken: 0.288206s (batch_requests_ready=0.003384s, total_serialization_initiated=0.284752s, others=0.000070s)
I0424 10:44:44.461706 139110192469824 composite_checkpoint_handler.py:715] [process=5][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.292386s (all_items=0.000017s, per_item={'items': '0.00001717'}, temp_paths=0.292369)
I0424 10:44:44.462563 139110192469824 event_tracking.py:125] [process=5] [async] Finished blocking save in 0.61 seconds. Continuing save @ gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints/0.
I0424 10:44:44.462910 138984925091584 async_checkpointer.py:76] [process=5][thread=async_save] Background save thread started. Deadline for this save operation is 2026-04-24 11:04:44.462871
I0424 10:44:44.469307 139110192469824 checkpoint_manager.py:1560] [process=5][thread=MainThread][step=0] Starting CheckpointManager Save Finalize thread=save_finalize
I0424 10:44:44.469574 138983321364224 async_checkpointer.py:280] [process=5][thread=save_finalize] Waiting for background save thread=async_save.
I0424 10:44:44.469715 139110192469824 standard_logger.py:34] {'step': 0, 'event_type': 'save', 'directory': 'gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1777027483.846394, 'wait_for_prev_duration_secs': 6.127357482910156e-05, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1777027483.8481488, 'checkpointer_blocking_duration_secs': 0.6148679256439209, 'get_old_steps_start_time': 1777027484.4630415, 'get_old_steps_duration_secs': 2.7894973754882812e-05, 'checkpoint_manager_blocking_start_time': 1777027483.844425, 'checkpoint_manager_blocking_duration_secs': 0.6252536773681641}
I0424 10:44:44.469876 139110192469824 checkpointing.py:409] Started an asynchronous checkpoint save for step 0
I0424 10:44:44.469945 139110192469824 max_utils.py:750] 
Memstats: After params initialized:
I0424 10:44:44.469992 139110192469824 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_18(process=5,(2,4,0,0))
I0424 10:44:44.470022 139110192469824 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_19(process=5,(3,4,0,0))
I0424 10:44:44.470048 139110192469824 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_22(process=5,(2,5,0,0))
I0424 10:44:44.470071 139110192469824 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_23(process=5,(3,5,0,0))
I0424 10:44:44.784575 139110192469824 metric_logger.py:196] completed step: 0, seconds: 11.424, TFLOP/s/device: 1.189, Tokens/s/device: 179.265, total_weights: 65536, loss: 10.874, lm_loss: 10.874, perplexity: 52786.469
I0424 10:44:44.957881 139110192469824 metric_logger.py:196] completed step: 1, seconds: 1.091, TFLOP/s/device: 12.451, Tokens/s/device: 1876.814, total_weights: 65536, loss: 10.874, lm_loss: 10.874, perplexity: 52786.469
I0424 10:44:45.388312 139110192469824 metric_logger.py:196] completed step: 2, seconds: 0.027, TFLOP/s/device: 499.766, Tokens/s/device: 75330.121, total_weights: 65536, loss: 10.262, lm_loss: 10.262, perplexity: 28632.133
I0424 10:44:45.536009 139110192469824 metric_logger.py:196] completed step: 3, seconds: 0.420, TFLOP/s/device: 32.349, Tokens/s/device: 4876.063, total_weights: 65536, loss: 9.732, lm_loss: 9.732, perplexity: 16855.789
I0424 10:44:45.831492 139110192469824 metric_logger.py:196] completed step: 4, seconds: 0.166, TFLOP/s/device: 82.066, Tokens/s/device: 12369.914, total_weights: 65536, loss: 9.274, lm_loss: 9.274, perplexity: 10661.594
I0424 10:44:45.838801 139110192469824 metric_logger.py:196] completed step: 5, seconds: 0.146, TFLOP/s/device: 92.886, Tokens/s/device: 14000.738, total_weights: 65536, loss: 8.888, lm_loss: 8.888, perplexity: 7245.978
I0424 10:44:47.424948    2777 google_auth_provider.cc:181] Running on GCE, using service account 562977990677-compute@developer.gserviceaccount.com
I0424 10:44:49.896386 138983329756928 array_metadata_store.py:203] [process=5][thread=array_type_handler] Wrote 69 array_metadata.ArrayMetadata to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints/0/items/array_metadatas/process_5
I0424 10:45:07.991399 139110192469824 metric_logger.py:196] completed step: 6, seconds: 0.296, TFLOP/s/device: 45.905, Tokens/s/device: 6919.363, total_weights: 65536, loss: 8.589, lm_loss: 8.589, perplexity: 5371.156
I0424 10:45:08.138887 139110192469824 metric_logger.py:196] completed step: 7, seconds: 22.006, TFLOP/s/device: 0.617, Tokens/s/device: 93.064, total_weights: 65536, loss: 8.380, lm_loss: 8.380, perplexity: 4360.465
I0424 10:45:08.286576 139110192469824 metric_logger.py:196] completed step: 8, seconds: 0.153, TFLOP/s/device: 88.674, Tokens/s/device: 13365.965, total_weights: 65536, loss: 8.251, lm_loss: 8.251, perplexity: 3831.256
I0424 10:45:08.435033 139110192469824 checkpointing.py:794] Waiting for step 9 to finish before checkpoint...
I0424 10:45:08.435672 139110192469824 checkpointing.py:798] Waited 0.0006389617919921875 seconds for step 9 to finish before starting checkpointing.
I0424 10:45:08.437716 139110192469824 checkpoint_manager.py:2020] [process=5][thread=MainThread][step=0][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0424 10:45:22.657845 138984925091584 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/gbytes_per_sec: 41.045 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 38.484416007995605 s) (per-host)
I0424 10:45:22.657968 138984925091584 async_checkpointer.py:90] [process=5][thread=async_save] 3 Handler Commit operations completed. Time taken: 38.194438s.
I0424 10:45:30.859342 138984925091584 async_checkpointer.py:160] [process=5][thread=async_save] Background save thread done. Time taken: 46.395795s.
I0424 10:45:30.859613 138983321364224 async_checkpointer.py:288] [process=5][thread=save_finalize] Done with waiting for background save thread=async_save.
I0424 10:45:30.859749 138983321364224 async_checkpointer.py:298] [process=5][thread=save_finalize] No errors found in background save thread=async_save.
I0424 10:45:30.859803 138983321364224 checkpoint_manager.py:2137] [process=5][thread=save_finalize][step=0] CheckpointManager Save Finalize is syncing with other hosts...
I0424 10:45:30.861587 138983321364224 checkpoint_manager.py:2146] [process=5][thread=save_finalize][step=0] CheckpointManager Save Finalize is done on all hosts.
I0424 10:45:30.861781 139110192469824 checkpoint_manager.py:2032] [process=5][thread=MainThread][step=0][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=0.
W0424 10:45:30.861907 139110192469824 checkpoint_manager.py:1452] Waiting for previous save to complete took 22.424193 seconds. If this number is high, consider checkpointing less frequently.
I0424 10:45:30.863640 139110192469824 checkpoint_manager.py:1512] [process=5] Saving checkpoint at step 9
I0424 10:45:30.865829 139110192469824 event_tracking.py:70] [process=5] [async] Started save checkpoint @ gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints/9.
I0424 10:45:31.161095 139110192469824 jax_array_handlers.py:360] Scheduling D2H of 69 prioritized jax.Array.
I0424 10:45:31.161185 139110192469824 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
I0424 10:45:31.197174 139110192469824 base_pytree_checkpoint_handler.py:154] [process=5][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.037721s
I0424 10:45:31.197338 139110192469824 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/blocking_gbytes_per_sec: 34.492 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.04472231864929199 s) (per-host)
I0424 10:45:31.197389 139110192469824 base_pytree_checkpoint_handler.py:768] [process=5][thread=MainThread] Initiated Pytree async_save. Time taken: 0.044782s (batch_requests_ready=0.002672s, total_serialization_initiated=0.042043s, others=0.000067s)
I0424 10:45:31.197481 139110192469824 composite_checkpoint_handler.py:715] [process=5][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.049223s (all_items=0.000014s, per_item={'items': '0.00001431'}, temp_paths=0.049208)
I0424 10:45:31.198163 139110192469824 event_tracking.py:125] [process=5] [async] Finished blocking save in 0.33 seconds. Continuing save @ gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints/9.
I0424 10:45:31.198487 138983329756928 async_checkpointer.py:76] [process=5][thread=async_save] Background save thread started. Deadline for this save operation is 2026-04-24 11:05:31.198452
I0424 10:45:31.204297 139110192469824 checkpoint_manager.py:1560] [process=5][thread=MainThread][step=9] Starting CheckpointManager Save Finalize thread=save_finalize
I0424 10:45:31.204584 138983321364224 async_checkpointer.py:280] [process=5][thread=save_finalize] Waiting for background save thread=async_save.
I0424 10:45:31.204730 139110192469824 standard_logger.py:34] {'step': 9, 'event_type': 'save', 'directory': 'gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1777027508.4376888, 'wait_for_prev_duration_secs': 22.424192667007446, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1777027530.863697, 'checkpointer_blocking_duration_secs': 0.33492565155029297, 'get_old_steps_start_time': 1777027531.1986437, 'get_old_steps_duration_secs': 3.933906555175781e-05, 'checkpoint_manager_blocking_start_time': 1777027508.4359033, 'checkpoint_manager_blocking_duration_secs': 22.768794536590576}
I0424 10:45:31.204888 139110192469824 checkpointing.py:409] Started an asynchronous checkpoint save for step 9
I0424 10:45:31.204934 139110192469824 checkpoint_manager.py:2020] [process=5][thread=MainThread][step=9][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0424 10:45:37.319388 138977511266048 array_metadata_store.py:203] [process=5][thread=array_type_handler] Wrote 69 array_metadata.ArrayMetadata to gs://lance-maxtext/nnx_ckpt_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312/nnx_xpk_feat_nnx_trainstate_and_training_loop_20260424_091312_02_synthetic/checkpoints/9/items/array_metadatas/process_5
I0424 10:46:13.348369 138983329756928 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/gbytes_per_sec: 37.435 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 42.19573354721069 s) (per-host)
I0424 10:46:13.348474 138983329756928 async_checkpointer.py:90] [process=5][thread=async_save] 3 Handler Commit operations completed. Time taken: 42.149879s.
I0424 10:46:21.981591 138983329756928 async_checkpointer.py:160] [process=5][thread=async_save] Background save thread done. Time taken: 50.782981s.
I0424 10:46:21.981887 138983321364224 async_checkpointer.py:288] [process=5][thread=save_finalize] Done with waiting for background save thread=async_save.
I0424 10:46:21.982019 138983321364224 async_checkpointer.py:298] [process=5][thread=save_finalize] No errors found in background save thread=async_save.
I0424 10:46:21.982066 138983321364224 checkpoint_manager.py:2137] [process=5][thread=save_finalize][step=9] CheckpointManager Save Finalize is syncing with other hosts...
I0424 10:46:21.983337 138983321364224 checkpoint_manager.py:2146] [process=5][thread=save_finalize][step=9] CheckpointManager Save Finalize is done on all hosts.
I0424 10:46:21.983528 139110192469824 checkpoint_manager.py:2032] [process=5][thread=MainThread][step=9][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=9.
I0424 10:46:21.983711 139110192469824 checkpoint_manager.py:2009] [process=5][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0424 10:46:21.984606 139110192469824 metric_logger.py:196] completed step: 9, seconds: 0.148, TFLOP/s/device: 91.851, Tokens/s/device: 13844.760, total_weights: 65536, loss: 8.175, lm_loss: 8.175, perplexity: 3551.438
Per train step:
 Total TFLOPs: 13.59 
 split as 93.93% learnable weight flops and 6.07% attention flops
XPK End: Fri Apr 24 10:46:33 UTC 2026
EXIT_CODE=0