XPK Start: Sat Apr 25 12:24:11 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 12:24:36.340994: 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 12:24:36.556801 134452460345152 max_utils.py:273] Attempting to initialize the jax distributed system...
I0425 12:24:45.600080 134452460345152 distributed.py:149] Starting JAX distributed service on [::]:8482
I0425 12:24:45.602398 134452460345152 distributed.py:172] Connecting to JAX distributed service on mt-06-grad-accum-ndjc5-slice-job-0-0.mt-06-grad-accum-ndjc5:8482
I0425 12:24:46.575775 134452460345152 max_utils.py:284] Jax distributed system initialized!
I0425 12:24:52.773895 134452460345152 max_utils.py:800] System Information: Jax Version: 0.9.2
I0425 12:24:52.774001 134452460345152 max_utils.py:801] System Information: Jaxlib Version: 0.9.2
I0425 12:24:52.774042 134452460345152 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 12:24:52.774079 134452460345152 train_utils.py:391] WARNING: Sequence packing is essentially ignored for synthetic data. Please use a real dataset to use sequence packing.
I0425 12:24:53.468997 134452460345152 maxtext_utils.py:1771] Num_devices: 32, shape (1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1)
I0425 12:24:53.469615 134452460345152 maxtext_utils.py:1771] Num_devices: 32, shape (1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1)
I0425 12:24:53.469799 134452460345152 checkpointing.py:688] Setting up checkpoint logger...
I0425 12:24:53.469851 134452460345152 checkpointing.py:234] Creating checkpoint manager with ocdbt=True and zarr3=True
I0425 12:24:53.469901 134452460345152 pytree_checkpoint_handler.py:592] save_device_host_concurrent_bytes=None
I0425 12:24:53.470258 134452460345152 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 0x7a481a31c200>, enable_pinned_host_transfer=False, save_concurrent_bytes: 96000000000 (89.4 GiB), restore_concurrent_bytes: 96000000000 (89.4 GiB)
I0425 12:24:56.313743 134452460345152 checkpointing.py:266] Enabling policy for fixed interval checkpointing.
I0425 12:24:56.314083 134452460345152 checkpoint_manager.py:708] [process=6][thread=MainThread] CheckpointManager init: checkpointers=None, item_names=('items',), item_handlers={'items': <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7a34183df830>}, handler_registry=None
I0425 12:24:56.314345 134452460345152 composite_checkpoint_handler.py:237] Deferred registration for item: "items". Adding handler `<orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7a34183df830>` 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 12:24:56.314396 134452460345152 composite_checkpoint_handler.py:237] Deferred registration for item: "metrics". Adding handler `<orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7a46e3fd5430>` 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 12:24:56.314434 134452460345152 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 0x7a34183df830>, ('items', <class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeRestoreArgs'>): <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x7a34183df830>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonSaveArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7a46e3fd5430>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonRestoreArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x7a46e3fd5430>}).
I0425 12:24:56.314758 134452460345152 abstract_checkpointer.py:35] orbax-checkpoint version: 0.11.34
I0425 12:24:56.314828 134452460345152 async_checkpointer.py:192] [process=6][thread=MainThread] Using barrier_sync_fn: <function get_barrier_sync_fn.<locals>._fn at 0x7a341816dd00> timeout: 1200 secs and primary_host=0 for async checkpoint writes
I0425 12:24:57.759974 134452460345152 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_06_grad_accum/checkpoints
I0425 12:24:57.762271 134452460345152 checkpoint_manager.py:929] [process=6][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_06_grad_accum/checkpoints: <orbax.checkpoint.checkpoint_manager.CheckpointManager object at 0x7a34183df860>
I0425 12:24:57.762385 134452460345152 checkpointing.py:302] Checkpoint manager created!
I0425 12:24:59.497717 134452460345152 nnx_wrappers.py:437] Unknown Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_norm_length', 'activation_embed').
I0425 12:24:59.497821 134452460345152 nnx_wrappers.py:437] Unknown Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0425 12:24:59.887828 134452460345152 attentions.py:1088] attentions/inputs_q Logical: bfloat16[32,2048,2048]...................................... ('activation_batch_attn', 'activation_length_attn', 'activation_embed_attn').
I0425 12:24:59.887927 134452460345152 attentions.py:1088] attentions/inputs_q Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0425 12:24:59.904777 134452460345152 attentions.py:1089] attentions/inputs_kv Logical: bfloat16[32,2048,2048]...................................... ('activation_batch_attn', 'activation_length_attn', 'activation_embed_attn').
I0425 12:24:59.904838 134452460345152 attentions.py:1089] attentions/inputs_kv Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0425 12:24:59.929146 134452460345152 attentions.py:1154] attentions/query Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_length_attn', 'activation_kv_heads', 'activation_kv_head_dim').
I0425 12:24:59.929215 134452460345152 attentions.py:1154] attentions/query Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0425 12:24:59.945888 134452460345152 attentions.py:1155] attentions/key Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_length_attn', 'activation_kv_heads', 'activation_kv_head_dim').
I0425 12:24:59.945955 134452460345152 attentions.py:1155] attentions/key Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0425 12:24:59.962740 134452460345152 attentions.py:1156] attentions/value Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_length_attn', 'activation_kv_heads', 'activation_kv_head_dim').
I0425 12:24:59.962802 134452460345152 attentions.py:1156] attentions/value Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0425 12:24:59.987932 134452460345152 attentions.py:1198] attentions/out Logical: bfloat16[32,2048,16,128].................................... ('activation_batch_attn', 'activation_length_attn', 'activation_heads', 'activation_kv').
I0425 12:24:59.988003 134452460345152 attentions.py:1198] attentions/out Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0425 12:25:00.009121 134452460345152 linears.py:525] linears/x Logical: bfloat16[32,2048,7168]...................................... ('activation_batch', 'activation_length', 'activation_mlp').
I0425 12:25:00.009185 134452460345152 linears.py:525] linears/x Physical: bfloat16[32,2048,7168]...................................... ('fsdp', None, None).
I0425 12:25:00.231319 134452460345152 checkpointing.py:578] checkpoint manager exists so trying to load this run's existing checkpoint
I0425 12:25:00.231433 134452460345152 checkpointing.py:676] No existing checkpoints found, not restoring checkpoint.
fsdp: 32
I0425 12:25:01.666321 134452460345152 maxtext_utils.py:1880] params/params/decoder/decoder_norm/scale
Shape: float32[2048]
Logical: P('norm',)
Physical: (None,)
I0425 12:25:01.666452 134452460345152 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, None)
I0425 12:25:01.666507 134452460345152 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, None)
I0425 12:25:01.666572 134452460345152 maxtext_utils.py:1880] params/params/decoder/layers/mlp/wo/kernel
Shape: float32[7168,16,2048]
Logical: P('mlp', 'layers', 'embed')
Physical: (None, None, 'fsdp')
I0425 12:25:01.666627 134452460345152 maxtext_utils.py:1880] params/params/decoder/layers/post_self_attention_layer_norm/scale
Shape: float32[2048,16]
Logical: P('norm', 'layers')
Physical: (None, None)
I0425 12:25:01.666665 134452460345152 maxtext_utils.py:1880] params/params/decoder/layers/pre_self_attention_layer_norm/scale
Shape: float32[2048,16]
Logical: P('norm', 'layers')
Physical: (None, None)
I0425 12:25:01.666717 134452460345152 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, None, None)
I0425 12:25:01.666768 134452460345152 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: (None, None, None, 'fsdp')
I0425 12:25:01.666809 134452460345152 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, None, None)
I0425 12:25:01.666846 134452460345152 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, None, None)
I0425 12:25:01.666892 134452460345152 maxtext_utils.py:1880] params/params/decoder/logits_dense/kernel
Shape: float32[2048,32000]
Logical: P('embed_vocab', 'vocab')
Physical: ('fsdp', None)
I0425 12:25:01.666942 134452460345152 maxtext_utils.py:1880] params/params/token_embedder/embedding
Shape: float32[32000,2048]
Logical: P('vocab', 'embed_vocab')
Physical: (None, 'fsdp')
I0425 12:25:01.695855 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[2048]............................................... Unknown.
I0425 12:25:01.695957 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[2048]............................................... (None,).
I0425 12:25:01.711204 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[2048,16,7168]....................................... Unknown.
I0425 12:25:01.711263 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[2048,16,7168]....................................... ('fsdp', None, None).
I0425 12:25:01.741261 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[7168,16,2048]....................................... Unknown.
I0425 12:25:01.741325 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[7168,16,2048]....................................... (None, None, 'fsdp').
I0425 12:25:01.756428 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[2048,16]............................................ Unknown.
I0425 12:25:01.756484 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[2048,16]............................................ (None, None).
I0425 12:25:01.786473 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[2048,16,16,128]..................................... Unknown.
I0425 12:25:01.786544 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[2048,16,16,128]..................................... ('fsdp', None, None, None).
I0425 12:25:01.801588 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[16,16,128,2048]..................................... Unknown.
I0425 12:25:01.801645 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[16,16,128,2048]..................................... (None, None, None, 'fsdp').
I0425 12:25:01.846640 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[2048,32000]......................................... Unknown.
I0425 12:25:01.846711 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[2048,32000]......................................... ('fsdp', None).
I0425 12:25:01.861717 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Logical: float32[32000,2048]......................................... Unknown.
I0425 12:25:01.861775 134452460345152 gradient_accumulation.py:70] gradient_accumulation/inputs Physical: float32[32000,2048]......................................... (None, 'fsdp').
I0425 12:25:02.547379 134452460345152 train.py:157] train/xent Logical: float32[32,2048]............................................ ('activation_embed_and_logits_batch', 'activation_length').
I0425 12:25:02.547475 134452460345152 train.py:157] train/xent Physical: float32[32,2048]............................................ ('fsdp', None).
I0425 12:25:02.563363 134452460345152 train.py:164] train/z_loss Logical: float32[32,2048]............................................ ('activation_embed_and_logits_batch', 'activation_length').
I0425 12:25:02.563423 134452460345152 train.py:164] train/z_loss Physical: float32[32,2048]............................................ ('fsdp', None).
I0425 12:25:14.165463 134452460345152 max_utils.py:791] Total memory size: 1.7 GB, Output size: 0.4 GB, Temp size: 1.3 GB, Argument size: 0.4 GB, Host temp size: 0.0 GB.
I0425 12:25:14.166346 134452460345152 metric_logger.py:301] number parameters: 1.104 billion
I0425 12:25:16.069761 134452460345152 checkpointing.py:794] Waiting for step 0 to finish before checkpoint...
I0425 12:25:27.168294 134452460345152 checkpointing.py:798] Waited 11.098504066467285 seconds for step 0 to finish before starting checkpointing.
I0425 12:25:27.170757 134452460345152 checkpoint_manager.py:2009] [process=6][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0425 12:25:27.172700 134452460345152 checkpoint_manager.py:1512] [process=6] Saving checkpoint at step 0
I0425 12:25:27.174220 134452460345152 event_tracking.py:70] [process=6] [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_06_grad_accum/checkpoints/0.
I0425 12:25:27.535589 134452460345152 signaling_client.py:364] Using JaxDistributedSignalingClient
I0425 12:25:27.536538 134452460345152 jax_array_handlers.py:360] Scheduling D2H of 39 prioritized jax.Array.
I0425 12:25:27.536657 134452460345152 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 12:25:27.809545 134452460345152 base_pytree_checkpoint_handler.py:154] [process=6][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.274058s
I0425 12:25:27.809718 134452460345152 base_pytree_checkpoint_handler.py:130] [process=6] /jax/orbax/write/blocking_gbytes_per_sec: 5.512 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.2798466682434082 s) (per-host)
I0425 12:25:27.809770 134452460345152 base_pytree_checkpoint_handler.py:768] [process=6][thread=MainThread] Initiated Pytree async_save. Time taken: 0.279908s (batch_requests_ready=0.002362s, total_serialization_initiated=0.277476s, others=0.000070s)
I0425 12:25:27.809860 134452460345152 composite_checkpoint_handler.py:715] [process=6][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.284106s (all_items=0.000018s, per_item={'items': '0.00001788'}, temp_paths=0.284088)
I0425 12:25:27.810608 134452460345152 event_tracking.py:125] [process=6] [async] Finished blocking save in 0.64 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_06_grad_accum/checkpoints/0.
I0425 12:25:27.810944 134324740683520 async_checkpointer.py:76] [process=6][thread=async_save] Background save thread started. Deadline for this save operation is 2026-04-25 12:45:27.810907
I0425 12:25:27.819964 134452460345152 checkpoint_manager.py:1560] [process=6][thread=MainThread][step=0] Starting CheckpointManager Save Finalize thread=save_finalize
I0425 12:25:27.820220 134324221372160 async_checkpointer.py:280] [process=6][thread=save_finalize] Waiting for background save thread=async_save.
I0425 12:25:27.820347 134452460345152 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_06_grad_accum/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1777119927.170739, 'wait_for_prev_duration_secs': 6.318092346191406e-05, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1777119927.1727388, 'checkpointer_blocking_duration_secs': 0.638369083404541, 'get_old_steps_start_time': 1777119927.811132, 'get_old_steps_duration_secs': 3.147125244140625e-05, 'checkpoint_manager_blocking_start_time': 1777119927.1688166, 'checkpoint_manager_blocking_duration_secs': 0.6514883041381836}
I0425 12:25:27.820452 134452460345152 checkpointing.py:409] Started an asynchronous checkpoint save for step 0
I0425 12:25:27.820499 134452460345152 max_utils.py:750]
Memstats: After params initialized:
I0425 12:25:27.820545 134452460345152 max_utils.py:756] Using (GB) 0.43 / 31.25 (1.376000%) on TPU_24(process=6,(0,6,0,0))
I0425 12:25:27.820578 134452460345152 max_utils.py:756] Using (GB) 0.43 / 31.25 (1.376000%) on TPU_25(process=6,(1,6,0,0))
I0425 12:25:27.820604 134452460345152 max_utils.py:756] Using (GB) 0.43 / 31.25 (1.376000%) on TPU_28(process=6,(0,7,0,0))
I0425 12:25:27.820628 134452460345152 max_utils.py:756] Using (GB) 0.43 / 31.25 (1.376000%) on TPU_29(process=6,(1,7,0,0))
I0425 12:25:28.132968 134452460345152 metric_logger.py:196] completed step: 0, seconds: 1.903, TFLOP/s/device: 28.555, Tokens/s/device: 4304.126, total_weights: 262144, loss: 10.877, lm_loss: 10.877, perplexity: 52959.059
I0425 12:25:28.737223 134452460345152 metric_logger.py:196] completed step: 1, seconds: 12.062, TFLOP/s/device: 4.506, Tokens/s/device: 679.181, total_weights: 262144, loss: 10.877, lm_loss: 10.877, perplexity: 52959.059
I0425 12:25:29.315138 134452460345152 metric_logger.py:196] completed step: 2, seconds: 0.026, TFLOP/s/device: 2069.080, Tokens/s/device: 311874.215, total_weights: 262144, loss: 10.563, lm_loss: 10.563, perplexity: 38662.707
I0425 12:25:29.893062 134452460345152 metric_logger.py:196] completed step: 3, seconds: 0.584, TFLOP/s/device: 93.040, Tokens/s/device: 14023.963, total_weights: 262144, loss: 10.272, lm_loss: 10.272, perplexity: 28909.668
I0425 12:25:30.684459 2564 google_auth_provider.cc:181] Running on GCE, using service account 562977990677-compute@developer.gserviceaccount.com
I0425 12:25:31.049549 134452460345152 metric_logger.py:196] completed step: 4, seconds: 0.578, TFLOP/s/device: 94.063, Tokens/s/device: 14178.211, total_weights: 262144, loss: 10.022, lm_loss: 10.022, perplexity: 22524.992
I0425 12:25:31.055671 134452460345152 metric_logger.py:196] completed step: 5, seconds: 0.578, TFLOP/s/device: 94.046, Tokens/s/device: 14175.635, total_weights: 262144, loss: 9.820, lm_loss: 9.820, perplexity: 18401.865
I0425 12:25:32.742630 134324229764864 array_metadata_store.py:203] [process=6][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_06_grad_accum/checkpoints/0/items/array_metadatas/process_6
I0425 12:26:05.643560 134324740683520 base_pytree_checkpoint_handler.py:130] [process=6] /jax/orbax/write/gbytes_per_sec: 41.444 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 38.11365032196045 s) (per-host)
I0425 12:26:05.643691 134324740683520 async_checkpointer.py:90] [process=6][thread=async_save] 3 Handler Commit operations completed. Time taken: 37.832636s.
I0425 12:26:11.427745 134324740683520 async_checkpointer.py:160] [process=6][thread=async_save] Background save thread done. Time taken: 43.616674s.
I0425 12:26:11.427977 134324221372160 async_checkpointer.py:288] [process=6][thread=save_finalize] Done with waiting for background save thread=async_save.
I0425 12:26:11.428040 134324221372160 async_checkpointer.py:298] [process=6][thread=save_finalize] No errors found in background save thread=async_save.
I0425 12:26:11.428113 134324221372160 checkpoint_manager.py:2137] [process=6][thread=save_finalize][step=0] CheckpointManager Save Finalize is syncing with other hosts...
I0425 12:26:11.430015 134324221372160 checkpoint_manager.py:2146] [process=6][thread=save_finalize][step=0] CheckpointManager Save Finalize is done on all hosts.
I0425 12:26:17.562240 134452460345152 metric_logger.py:196] completed step: 6, seconds: 1.157, TFLOP/s/device: 46.969, Tokens/s/device: 7079.732, total_weights: 262144, loss: 9.667, lm_loss: 9.667, perplexity: 15787.604
I0425 12:26:18.140390 134452460345152 metric_logger.py:196] completed step: 7, seconds: 45.929, TFLOP/s/device: 1.183, Tokens/s/device: 178.362, total_weights: 262144, loss: 9.561, lm_loss: 9.561, perplexity: 14203.827
I0425 12:26:18.718675 134452460345152 metric_logger.py:196] completed step: 8, seconds: 0.583, TFLOP/s/device: 93.225, Tokens/s/device: 14051.868, total_weights: 262144, loss: 9.496, lm_loss: 9.496, perplexity: 13302.920
I0425 12:26:19.296545 134452460345152 checkpointing.py:794] Waiting for step 9 to finish before checkpoint...
I0425 12:26:19.297224 134452460345152 checkpointing.py:798] Waited 0.0007004737854003906 seconds for step 9 to finish before starting checkpointing.
I0425 12:26:19.299318 134452460345152 checkpoint_manager.py:2009] [process=6][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0425 12:26:19.301256 134452460345152 checkpoint_manager.py:1512] [process=6] Saving checkpoint at step 9
I0425 12:26:19.302597 134452460345152 event_tracking.py:70] [process=6] [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_06_grad_accum/checkpoints/9.
I0425 12:26:20.030508 134452460345152 jax_array_handlers.py:360] Scheduling D2H of 39 prioritized jax.Array.
I0425 12:26:20.030619 134452460345152 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 12:26:20.065685 134452460345152 base_pytree_checkpoint_handler.py:154] [process=6][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.036127s
I0425 12:26:20.065855 134452460345152 base_pytree_checkpoint_handler.py:130] [process=6] /jax/orbax/write/blocking_gbytes_per_sec: 38.787 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.03977012634277344 s) (per-host)
I0425 12:26:20.065908 134452460345152 base_pytree_checkpoint_handler.py:768] [process=6][thread=MainThread] Initiated Pytree async_save. Time taken: 0.039833s (batch_requests_ready=0.001812s, total_serialization_initiated=0.037950s, others=0.000071s)
I0425 12:26:20.065997 134452460345152 composite_checkpoint_handler.py:715] [process=6][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.044005s (all_items=0.000015s, per_item={'items': '0.00001526'}, temp_paths=0.043990)
I0425 12:26:20.066739 134452460345152 event_tracking.py:125] [process=6] [async] Finished blocking save in 0.77 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_06_grad_accum/checkpoints/9.
I0425 12:26:20.067088 134329019639552 async_checkpointer.py:76] [process=6][thread=async_save] Background save thread started. Deadline for this save operation is 2026-04-25 12:46:20.067050
I0425 12:26:20.069007 134452460345152 checkpoint_manager.py:1560] [process=6][thread=MainThread][step=9] Starting CheckpointManager Save Finalize thread=save_finalize
I0425 12:26:20.069308 134324204586752 async_checkpointer.py:280] [process=6][thread=save_finalize] Waiting for background save thread=async_save.
I0425 12:26:20.069448 134452460345152 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_06_grad_accum/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1777119979.299284, 'wait_for_prev_duration_secs': 8.082389831542969e-05, 'time_between_consecutive_saves_sec': 7.869229316711426, 'checkpointer_blocking_start_time': 1777119979.3012962, 'checkpointer_blocking_duration_secs': 0.7659118175506592, 'get_old_steps_start_time': 1777119980.0672355, 'get_old_steps_duration_secs': 3.0279159545898438e-05, 'checkpoint_manager_blocking_start_time': 1777119979.2974646, 'checkpoint_manager_blocking_duration_secs': 0.7719497680664062}
I0425 12:26:20.069601 134452460345152 checkpointing.py:409] Started an asynchronous checkpoint save for step 9
I0425 12:26:20.069648 134452460345152 checkpoint_manager.py:2020] [process=6][thread=MainThread][step=9][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0425 12:26:25.256240 134324212979456 array_metadata_store.py:203] [process=6][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_06_grad_accum/checkpoints/9/items/array_metadatas/process_6
I0425 12:27:02.676635 134329019639552 base_pytree_checkpoint_handler.py:130] [process=6] /jax/orbax/write/gbytes_per_sec: 37.036 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 42.65051198005676 s) (per-host)
I0425 12:27:02.676766 134329019639552 async_checkpointer.py:90] [process=6][thread=async_save] 3 Handler Commit operations completed. Time taken: 42.609045s.
I0425 12:27:08.702904 134329019639552 async_checkpointer.py:160] [process=6][thread=async_save] Background save thread done. Time taken: 48.635167s.
I0425 12:27:08.703188 134324204586752 async_checkpointer.py:288] [process=6][thread=save_finalize] Done with waiting for background save thread=async_save.
I0425 12:27:08.703313 134324204586752 async_checkpointer.py:298] [process=6][thread=save_finalize] No errors found in background save thread=async_save.
I0425 12:27:08.703372 134324204586752 checkpoint_manager.py:2137] [process=6][thread=save_finalize][step=9] CheckpointManager Save Finalize is syncing with other hosts...
I0425 12:27:08.704844 134324204586752 checkpoint_manager.py:2146] [process=6][thread=save_finalize][step=9] CheckpointManager Save Finalize is done on all hosts.
I0425 12:27:08.705012 134452460345152 checkpoint_manager.py:2032] [process=6][thread=MainThread][step=9][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=9.
I0425 12:27:08.705170 134452460345152 checkpoint_manager.py:2009] [process=6][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0425 12:27:08.706063 134452460345152 metric_logger.py:196] completed step: 9, seconds: 0.578, TFLOP/s/device: 93.974, Tokens/s/device: 14164.727, total_weights: 262144, loss: 9.457, lm_loss: 9.457, perplexity: 12802.546
Per train step:
Total TFLOPs: 54.35
split as 93.93% learnable weight flops and 6.07% attention flops
XPK End: Sat Apr 25 12:27:21 UTC 2026
EXIT_CODE=0