MaxView

XPK Start: Sat Apr 25 12:41:53 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. 
2026-04-25 12:42:17.879978: 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)
I0425 12:42:18.445637 132314064688960 max_utils.py:273] Attempting to initialize the jax distributed system...
I0425 12:42:27.486940 132314064688960 distributed.py:149] Starting JAX distributed service on [::]:8482
I0425 12:42:27.489223 132314064688960 distributed.py:172] Connecting to JAX distributed service on mt-09-pdb-lt-1-ml3l3-slice-job-0-0.mt-09-pdb-lt-1-ml3l3:8482
I0425 12:42:28.338218 132314064688960 max_utils.py:284] Jax distributed system initialized!
I0425 12:42:34.244257 132314064688960 max_utils.py:800] System Information: Jax Version: 0.9.2
I0425 12:42:34.244357 132314064688960 max_utils.py:801] System Information: Jaxlib Version: 0.9.2
I0425 12:42:34.244397 132314064688960 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
I0425 12:42:34.244434 132314064688960 train_utils.py:391] WARNING: Sequence packing is essentially ignored for synthetic data. Please use a real dataset to use sequence packing.
I0425 12:42:34.937977 132314064688960 maxtext_utils.py:1771] Num_devices: 32, shape (1, 1, 1, 8, 1, 1, 1, 1, 4, 1, 1, 1, 1)
I0425 12:42:34.938578 132314064688960 maxtext_utils.py:1771] Num_devices: 32, shape (1, 1, 1, 8, 1, 1, 1, 1, 4, 1, 1, 1, 1)
I0425 12:42:34.938767 132314064688960 checkpointing.py:688] Setting up checkpoint logger...
I0425 12:42:34.938817 132314064688960 checkpointing.py:234] Creating checkpoint manager with ocdbt=True and zarr3=True
I0425 12:42:34.938858 132314064688960 pytree_checkpoint_handler.py:592] save_device_host_concurrent_bytes=None
I0425 12:42:34.939194 132314064688960 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 0x785623d1c350>, enable_pinned_host_transfer=False, save_concurrent_bytes: 96000000000 (89.4 GiB), restore_concurrent_bytes: 96000000000 (89.4 GiB)
I0425 12:42:37.843529 132314064688960 checkpointing.py:266] Enabling policy for fixed interval checkpointing.
I0425 12:42:37.843776 132314064688960 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 0x7842046626f0>}, handler_registry=None
I0425 12:42:37.844023 132314064688960 composite_checkpoint_handler.py:237] Deferred registration for item: "items". Adding handler `<orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7842046626f0>` 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`.
I0425 12:42:37.844075 132314064688960 composite_checkpoint_handler.py:237] Deferred registration for item: "metrics". Adding handler `<orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7842046647a0>` 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`.
I0425 12:42:37.844112 132314064688960 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 0x7842046626f0>, ('items', <class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeRestoreArgs'>): <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7842046626f0>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonSaveArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7842046647a0>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonRestoreArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7842046647a0>}).
I0425 12:42:37.844432 132314064688960 abstract_checkpointer.py:35] orbax-checkpoint version: 0.11.34
I0425 12:42:37.844502 132314064688960 async_checkpointer.py:192] [process=5][thread=MainThread] Using barrier_sync_fn: <function get_barrier_sync_fn.<locals>._fn at 0x7841ec285940> timeout: 1200 secs and primary_host=0 for async checkpoint writes
I0425 12:42:38.907088 132314064688960 checkpoint_manager.py:1812] Found 0 checkpoint steps in gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints
I0425 12:42:39.371446 132314064688960 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/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints: <orbax.checkpoint.checkpoint_manager.CheckpointManager object at 0x784204661520>
I0425 12:42:39.371620 132314064688960 checkpointing.py:302] Checkpoint manager created!
I0425 12:42:40.314563 132314064688960 nnx_wrappers.py:437] Unknown Logical: bfloat16[8,2048,2048]....................................... ('activation_batch', 'activation_norm_length', 'activation_embed').
I0425 12:42:40.314682 132314064688960 nnx_wrappers.py:437] Unknown Physical: bfloat16[8,2048,2048]....................................... ('fsdp', None, 'tensor').
I0425 12:42:40.705688 132314064688960 attentions.py:1088] attentions/inputs_q Logical: bfloat16[8,2048,2048]....................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed').
I0425 12:42:40.705805 132314064688960 attentions.py:1088] attentions/inputs_q Physical: bfloat16[8,2048,2048]....................................... ('fsdp', None, 'tensor').
I0425 12:42:40.722477 132314064688960 attentions.py:1089] attentions/inputs_kv Logical: bfloat16[8,2048,2048]....................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed').
I0425 12:42:40.722540 132314064688960 attentions.py:1089] attentions/inputs_kv Physical: bfloat16[8,2048,2048]....................................... ('fsdp', None, 'tensor').
I0425 12:42:40.746676 132314064688960 attentions.py:1154] attentions/query Logical: bfloat16[8,2048,16,128]..................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0425 12:42:40.746745 132314064688960 attentions.py:1154] attentions/query Physical: bfloat16[8,2048,16,128]..................................... ('fsdp', None, 'tensor', None).
I0425 12:42:40.763427 132314064688960 attentions.py:1155] attentions/key Logical: bfloat16[8,2048,16,128]..................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0425 12:42:40.763488 132314064688960 attentions.py:1155] attentions/key Physical: bfloat16[8,2048,16,128]..................................... ('fsdp', None, 'tensor', None).
I0425 12:42:40.780267 132314064688960 attentions.py:1156] attentions/value Logical: bfloat16[8,2048,16,128]..................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0425 12:42:40.780323 132314064688960 attentions.py:1156] attentions/value Physical: bfloat16[8,2048,16,128]..................................... ('fsdp', None, 'tensor', None).
I0425 12:42:40.805597 132314064688960 attentions.py:1198] attentions/out Logical: bfloat16[8,2048,16,128]..................................... ('activation_batch', 'activation_attn_length', 'activation_heads', 'activation_kv').
I0425 12:42:40.805684 132314064688960 attentions.py:1198] attentions/out Physical: bfloat16[8,2048,16,128]..................................... ('fsdp', None, 'tensor', None).
I0425 12:42:40.826793 132314064688960 linears.py:525] linears/x Logical: bfloat16[8,2048,7168]....................................... ('activation_batch', 'activation_length', 'activation_mlp').
I0425 12:42:40.826858 132314064688960 linears.py:525] linears/x Physical: bfloat16[8,2048,7168]....................................... ('fsdp', None, 'tensor').
I0425 12:42:41.051692 132314064688960 checkpointing.py:578] checkpoint manager exists so trying to load this run's existing checkpoint
I0425 12:42:41.051799 132314064688960 checkpointing.py:676] No existing checkpoints found, not restoring checkpoint.
fsdp: 8
tensor: 4
I0425 12:42:42.509219 132314064688960 maxtext_utils.py:1880]  params/params/decoder/decoder_norm/scale
    Shape:     float32[2048]
    Logical:   P('norm',)
    Physical:  ('tensor',)
I0425 12:42:42.509346 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/mlp/wi_0/kernel
    Shape:     float32[2048,16,7168]
    Logical:   P('embed', 'layers', 'mlp')
    Physical:  ('fsdp', None, 'tensor')
I0425 12:42:42.509398 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/mlp/wi_1/kernel
    Shape:     float32[2048,16,7168]
    Logical:   P('embed', 'layers', 'mlp')
    Physical:  ('fsdp', None, 'tensor')
I0425 12:42:42.509454 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/mlp/wo/kernel
    Shape:     float32[7168,16,2048]
    Logical:   P('mlp', 'layers', 'embed')
    Physical:  ('tensor', None, 'fsdp')
I0425 12:42:42.509508 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/post_self_attention_layer_norm/scale
    Shape:     float32[2048,16]
    Logical:   P('norm', 'layers')
    Physical:  ('tensor', None)
I0425 12:42:42.509551 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/pre_self_attention_layer_norm/scale
    Shape:     float32[2048,16]
    Logical:   P('norm', 'layers')
    Physical:  ('tensor', None)
I0425 12:42:42.509604 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/self_attention/key/kernel
    Shape:     float32[2048,16,16,128]
    Logical:   P('embed', 'layers', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, 'tensor', None)
I0425 12:42:42.509672 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/self_attention/out/kernel
    Shape:     float32[16,16,128,2048]
    Logical:   P('heads', 'layers', 'kv', 'embed')
    Physical:  ('tensor', None, None, 'fsdp')
I0425 12:42:42.509718 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/self_attention/query/kernel
    Shape:     float32[2048,16,16,128]
    Logical:   P('embed', 'layers', 'q_heads', 'kv')
    Physical:  ('fsdp', None, 'tensor', None)
I0425 12:42:42.509755 132314064688960 maxtext_utils.py:1880]  params/params/decoder/layers/self_attention/value/kernel
    Shape:     float32[2048,16,16,128]
    Logical:   P('embed', 'layers', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, 'tensor', None)
I0425 12:42:42.509804 132314064688960 maxtext_utils.py:1880]  params/params/decoder/logits_dense/kernel
    Shape:     float32[2048,32000]
    Logical:   P('embed_vocab', 'vocab')
    Physical:  ('fsdp', 'tensor')
I0425 12:42:42.509853 132314064688960 maxtext_utils.py:1880]  params/params/token_embedder/embedding
    Shape:     float32[32000,2048]
    Logical:   P('vocab', 'embed_vocab')
    Physical:  ('tensor', 'fsdp')

I0425 12:42:43.015341 132314064688960 train.py:157] train/xent Logical: float32[8,2048]............................................. ('activation_embed_and_logits_batch', 'activation_length').
I0425 12:42:43.015437 132314064688960 train.py:157] train/xent Physical: float32[8,2048]............................................. ('fsdp', None).
I0425 12:42:43.031250 132314064688960 train.py:164] train/z_loss Logical: float32[8,2048]............................................. ('activation_embed_and_logits_batch', 'activation_length').
I0425 12:42:43.031307 132314064688960 train.py:164] train/z_loss Physical: float32[8,2048]............................................. ('fsdp', None).
I0425 12:42:58.130077 132314064688960 max_utils.py:791] Total memory size: 0.9 GB, Output size: 0.4 GB, Temp size: 0.5 GB, Argument size: 0.4 GB, Host temp size: 0.0 GB.
I0425 12:42:58.130881 132314064688960 metric_logger.py:301] number parameters: 1.104 billion
I0425 12:42:59.328942 132314064688960 checkpointing.py:794] Waiting for step 0 to finish before checkpoint...
I0425 12:43:13.747579 132314064688960 checkpointing.py:798] Waited 14.41862154006958 seconds for step 0 to finish before starting checkpointing.
I0425 12:43:13.750401 132314064688960 checkpoint_manager.py:2009] [process=5][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0425 12:43:13.752433 132314064688960 checkpoint_manager.py:1512] [process=5] Saving checkpoint at step 0
I0425 12:43:13.753894 132314064688960 event_tracking.py:70] [process=5] [async] Started save checkpoint @ gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints/0.
I0425 12:43:14.282929 132314064688960 signaling_client.py:364] Using JaxDistributedSignalingClient
I0425 12:43:14.283914 132314064688960 jax_array_handlers.py:360] Scheduling D2H of 39 prioritized jax.Array.
I0425 12:43:14.283975 132314064688960 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
I0425 12:43:14.551471 132314064688960 base_pytree_checkpoint_handler.py:154] [process=5][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.268615s
I0425 12:43:14.551643 132314064688960 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/blocking_gbytes_per_sec: 5.621 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.2744262218475342 s) (per-host)
I0425 12:43:14.551709 132314064688960 base_pytree_checkpoint_handler.py:768] [process=5][thread=MainThread] Initiated Pytree async_save. Time taken: 0.274502s (batch_requests_ready=0.002548s, total_serialization_initiated=0.271870s, others=0.000084s)
I0425 12:43:14.551803 132314064688960 composite_checkpoint_handler.py:715] [process=5][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.278831s (all_items=0.000019s, per_item={'items': '0.00001860'}, temp_paths=0.278812)
I0425 12:43:14.552630 132314064688960 event_tracking.py:125] [process=5] [async] Finished blocking save in 0.80 seconds. Continuing save @ gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints/0.
I0425 12:43:14.552975 132187675694848 async_checkpointer.py:76] [process=5][thread=async_save] Background save thread started. Deadline for this save operation is 2026-04-25 13:03:14.552938
I0425 12:43:14.561738 132314064688960 checkpoint_manager.py:1560] [process=5][thread=MainThread][step=0] Starting CheckpointManager Save Finalize thread=save_finalize
I0425 12:43:14.562005 132187147990784 async_checkpointer.py:280] [process=5][thread=save_finalize] Waiting for background save thread=async_save.
I0425 12:43:14.562165 132314064688960 standard_logger.py:34] {'step': 0, 'event_type': 'save', 'directory': 'gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1777120993.7503831, 'wait_for_prev_duration_secs': 6.151199340820312e-05, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1777120993.752471, 'checkpointer_blocking_duration_secs': 0.8006594181060791, 'get_old_steps_start_time': 1777120994.5531533, 'get_old_steps_duration_secs': 3.0994415283203125e-05, 'checkpoint_manager_blocking_start_time': 1777120993.7481406, 'checkpoint_manager_blocking_duration_secs': 0.8139865398406982}
I0425 12:43:14.562277 132314064688960 checkpointing.py:409] Started an asynchronous checkpoint save for step 0
I0425 12:43:14.562327 132314064688960 max_utils.py:750] 
Memstats: After params initialized:
I0425 12:43:14.562374 132314064688960 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_18(process=5,(2,4,0,0))
I0425 12:43:14.562406 132314064688960 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_19(process=5,(3,4,0,0))
I0425 12:43:14.562435 132314064688960 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_22(process=5,(2,5,0,0))
I0425 12:43:14.562459 132314064688960 max_utils.py:756] 	Using (GB) 0.43 / 31.25 (1.376000%) on TPU_23(process=5,(3,5,0,0))
I0425 12:43:14.875209 132314064688960 metric_logger.py:196] completed step: 0, seconds: 1.198, TFLOP/s/device: 2.836, Tokens/s/device: 427.401, total_weights: 16384, loss: 10.862, lm_loss: 10.862, perplexity: 52153.723
I0425 12:43:14.961081 132314064688960 metric_logger.py:196] completed step: 1, seconds: 15.545, TFLOP/s/device: 0.219, Tokens/s/device: 32.937, total_weights: 16384, loss: 10.862, lm_loss: 10.862, perplexity: 52153.723
I0425 12:43:15.344879 132314064688960 metric_logger.py:196] completed step: 2, seconds: 0.028, TFLOP/s/device: 123.009, Tokens/s/device: 18541.320, total_weights: 16384, loss: 9.763, lm_loss: 9.763, perplexity: 17373.129
I0425 12:43:15.403119 132314064688960 metric_logger.py:196] completed step: 3, seconds: 0.384, TFLOP/s/device: 8.844, Tokens/s/device: 1333.135, total_weights: 16384, loss: 8.823, lm_loss: 8.823, perplexity: 6791.817
I0425 12:43:15.521559 132314064688960 metric_logger.py:196] completed step: 4, seconds: 0.064, TFLOP/s/device: 53.086, Tokens/s/device: 8001.750, total_weights: 16384, loss: 7.947, lm_loss: 7.947, perplexity: 2828.417
I0425 12:43:15.527639 132314064688960 metric_logger.py:196] completed step: 5, seconds: 0.058, TFLOP/s/device: 58.651, Tokens/s/device: 8840.542, total_weights: 16384, loss: 7.212, lm_loss: 7.212, perplexity: 1355.339
I0425 12:43:17.787069    2580 google_auth_provider.cc:181] Running on GCE, using service account 562977990677-compute@developer.gserviceaccount.com
I0425 12:43:19.816635 132187628607232 array_metadata_store.py:203] [process=5][thread=array_type_handler] Wrote 39 array_metadata.ArrayMetadata to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints/0/items/array_metadatas/process_5
I0425 12:43:29.889507 132314064688960 metric_logger.py:196] completed step: 6, seconds: 0.119, TFLOP/s/device: 28.481, Tokens/s/device: 4292.997, total_weights: 16384, loss: 6.652, lm_loss: 6.652, perplexity: 774.659
I0425 12:43:29.947888 132314064688960 metric_logger.py:196] completed step: 7, seconds: 14.304, TFLOP/s/device: 0.237, Tokens/s/device: 35.793, total_weights: 16384, loss: 6.269, lm_loss: 6.269, perplexity: 527.696
I0425 12:43:30.006198 132314064688960 metric_logger.py:196] completed step: 8, seconds: 0.063, TFLOP/s/device: 53.879, Tokens/s/device: 8121.183, total_weights: 16384, loss: 6.031, lm_loss: 6.031, perplexity: 416.165
I0425 12:43:30.064174 132314064688960 checkpointing.py:794] Waiting for step 9 to finish before checkpoint...
I0425 12:43:30.064804 132314064688960 checkpointing.py:798] Waited 0.0006458759307861328 seconds for step 9 to finish before starting checkpointing.
I0425 12:43:30.068160 132314064688960 checkpoint_manager.py:2020] [process=5][thread=MainThread][step=0][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0425 12:43:50.823808 132187675694848 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/gbytes_per_sec: 43.221 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 36.54655432701111 s) (per-host)
I0425 12:43:50.823915 132187675694848 async_checkpointer.py:90] [process=5][thread=async_save] 3 Handler Commit operations completed. Time taken: 36.270834s.
I0425 12:43:56.713466 132187675694848 async_checkpointer.py:160] [process=5][thread=async_save] Background save thread done. Time taken: 42.160364s.
I0425 12:43:56.713792 132187147990784 async_checkpointer.py:288] [process=5][thread=save_finalize] Done with waiting for background save thread=async_save.
I0425 12:43:56.713909 132187147990784 async_checkpointer.py:298] [process=5][thread=save_finalize] No errors found in background save thread=async_save.
I0425 12:43:56.713959 132187147990784 checkpoint_manager.py:2137] [process=5][thread=save_finalize][step=0] CheckpointManager Save Finalize is syncing with other hosts...
I0425 12:43:56.716447 132187147990784 checkpoint_manager.py:2146] [process=5][thread=save_finalize][step=0] CheckpointManager Save Finalize is done on all hosts.
I0425 12:43:56.716612 132314064688960 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.
W0425 12:43:56.716761 132314064688960 checkpoint_manager.py:1452] Waiting for previous save to complete took 26.648604 seconds. If this number is high, consider checkpointing less frequently.
I0425 12:43:56.718797 132314064688960 checkpoint_manager.py:1512] [process=5] Saving checkpoint at step 9
I0425 12:43:56.720889 132314064688960 event_tracking.py:70] [process=5] [async] Started save checkpoint @ gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints/9.
I0425 12:43:57.000221 132314064688960 jax_array_handlers.py:360] Scheduling D2H of 39 prioritized jax.Array.
I0425 12:43:57.000311 132314064688960 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
I0425 12:43:57.025945 132314064688960 base_pytree_checkpoint_handler.py:154] [process=5][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.026846s
I0425 12:43:57.026111 132314064688960 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/blocking_gbytes_per_sec: 50.912 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.030298948287963867 s) (per-host)
I0425 12:43:57.026163 132314064688960 base_pytree_checkpoint_handler.py:768] [process=5][thread=MainThread] Initiated Pytree async_save. Time taken: 0.030361s (batch_requests_ready=0.001760s, total_serialization_initiated=0.028531s, others=0.000070s)
I0425 12:43:57.026253 132314064688960 composite_checkpoint_handler.py:715] [process=5][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.036602s (all_items=0.000016s, per_item={'items': '0.00001621'}, temp_paths=0.036586)
I0425 12:43:57.026872 132314064688960 event_tracking.py:125] [process=5] [async] Finished blocking save in 0.31 seconds. Continuing save @ gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints/9.
I0425 12:43:57.027189 132187628607232 async_checkpointer.py:76] [process=5][thread=async_save] Background save thread started. Deadline for this save operation is 2026-04-25 13:03:57.027146
I0425 12:43:57.032286 132314064688960 checkpoint_manager.py:1560] [process=5][thread=MainThread][step=9] Starting CheckpointManager Save Finalize thread=save_finalize
I0425 12:43:57.032567 132187147990784 async_checkpointer.py:280] [process=5][thread=save_finalize] Waiting for background save thread=async_save.
I0425 12:43:57.032714 132314064688960 standard_logger.py:34] {'step': 9, 'event_type': 'save', 'directory': 'gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1777121010.0681295, 'wait_for_prev_duration_secs': 26.648603677749634, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1777121036.718838, 'checkpointer_blocking_duration_secs': 0.30849575996398926, 'get_old_steps_start_time': 1777121037.0273538, 'get_old_steps_duration_secs': 2.9325485229492188e-05, 'checkpoint_manager_blocking_start_time': 1777121010.0650308, 'checkpoint_manager_blocking_duration_secs': 26.967649459838867}
I0425 12:43:57.032878 132314064688960 checkpointing.py:409] Started an asynchronous checkpoint save for step 9
I0425 12:43:57.032930 132314064688960 checkpoint_manager.py:2020] [process=5][thread=MainThread][step=9][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0425 12:44:02.465508 132184958543616 array_metadata_store.py:203] [process=5][thread=array_type_handler] Wrote 39 array_metadata.ArrayMetadata to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_post_train_fixes_20260425_121355/linen_xpk_feat_nnx_post_train_fixes_20260425_121355_09_pdb_lt_1/checkpoints/9/items/array_metadatas/process_5
I0425 12:44:39.025395 132187628607232 base_pytree_checkpoint_handler.py:130] [process=5] /jax/orbax/write/gbytes_per_sec: 37.583 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 42.02954316139221 s) (per-host)
I0425 12:44:39.025516 132187628607232 async_checkpointer.py:90] [process=5][thread=async_save] 3 Handler Commit operations completed. Time taken: 41.998217s.
I0425 12:44:45.567607 132187628607232 async_checkpointer.py:160] [process=5][thread=async_save] Background save thread done. Time taken: 48.540292s.
I0425 12:44:45.567917 132187147990784 async_checkpointer.py:288] [process=5][thread=save_finalize] Done with waiting for background save thread=async_save.
I0425 12:44:45.568035 132187147990784 async_checkpointer.py:298] [process=5][thread=save_finalize] No errors found in background save thread=async_save.
I0425 12:44:45.568083 132187147990784 checkpoint_manager.py:2137] [process=5][thread=save_finalize][step=9] CheckpointManager Save Finalize is syncing with other hosts...
I0425 12:44:45.570397 132187147990784 checkpoint_manager.py:2146] [process=5][thread=save_finalize][step=9] CheckpointManager Save Finalize is done on all hosts.
I0425 12:44:45.570582 132314064688960 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.
I0425 12:44:45.570752 132314064688960 checkpoint_manager.py:2009] [process=5][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0425 12:44:45.571632 132314064688960 metric_logger.py:196] completed step: 9, seconds: 0.058, TFLOP/s/device: 58.403, Tokens/s/device: 8803.150, total_weights: 16384, loss: 5.892, lm_loss: 5.892, perplexity: 361.955
Per train step:
 Total TFLOPs: 3.40 
 split as 93.93% learnable weight flops and 6.07% attention flops
XPK End: Sat Apr 25 12:44:58 UTC 2026
EXIT_CODE=0