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XPK Start: Mon Apr 20 19:58:13 UTC 2026
2026-04-20 19:58:17.972560: 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 00:00:1776715097.985113      10 cuda_dnn.cc:8579] Unable to register cuDNN factory: Attempting to register factory for plugin cuDNN when one has already been registered
E0000 00:00:1776715097.988781      10 cuda_blas.cc:1407] Unable to register cuBLAS factory: Attempting to register factory for plugin cuBLAS when one has already been registered
W0000 00:00:1776715098.000432      10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once.
W0000 00:00:1776715098.000450      10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once.
W0000 00:00:1776715098.000452      10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once.
W0000 00:00:1776715098.000454      10 computation_placer.cc:177] computation placer already registered. Please check linkage and avoid linking the same target more than once.
2026-04-20 19:58:37.223735: 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)
I0420 19:58:37.746326 134215376754496 max_utils.py:273] Attempting to initialize the jax distributed system...
INFO:2026-04-20 19:58:46,788:jax._src.distributed:140: Starting JAX distributed service on [::]:8482
I0420 19:58:46.788132 134215376754496 distributed.py:140] Starting JAX distributed service on [::]:8482
INFO:2026-04-20 19:58:46,790:jax._src.distributed:157: Connecting to JAX distributed service on mt-13-scan-layers-false-2ptom-slice-job-0-0.mt-13-scan-layers-false-2ptom:8482
I0420 19:58:46.790467 134215376754496 distributed.py:157] Connecting to JAX distributed service on mt-13-scan-layers-false-2ptom-slice-job-0-0.mt-13-scan-layers-false-2ptom:8482
I0420 19:58:47.659303 134215376754496 max_utils.py:284] Jax distributed system initialized!
I0420 19:58:53.653519 134215376754496 max_utils.py:800] System Information: Jax Version: 0.8.1
I0420 19:58:53.653627 134215376754496 max_utils.py:801] System Information: Jaxlib Version: 0.8.1
I0420 19:58:53.653669 134215376754496 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
I0420 19:58:53.653706 134215376754496 train_utils.py:377] WARNING: Sequence packing is essentially ignored for synthetic data. Please use a real dataset to use sequence packing.
I0420 19:58:54.264844 134215376754496 maxtext_utils.py:1631] Num_devices: 32, shape (1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1)
I0420 19:58:54.265461 134215376754496 maxtext_utils.py:1631] Num_devices: 32, shape (1, 1, 1, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1)
I0420 19:58:54.265645 134215376754496 checkpointing.py:688] Setting up checkpoint logger...
I0420 19:58:54.265695 134215376754496 checkpointing.py:234] Creating checkpoint manager with ocdbt=True and zarr3=True
I0420 19:58:54.265738 134215376754496 pytree_checkpoint_handler.py:589] save_device_host_concurrent_bytes=None
I0420 19:58:54.266071 134215376754496 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 0x7a10ecf792e0>, enable_pinned_host_transfer=False, save_concurrent_bytes: 96000000000 (89.4 GiB), restore_concurrent_bytes: 96000000000 (89.4 GiB)
I0420 19:58:57.120720 134215376754496 checkpointing.py:266] Enabling policy for fixed interval checkpointing.
I0420 19:58:57.121066 134215376754496 checkpoint_manager.py:709] [process=0][thread=MainThread] CheckpointManager init: checkpointers=None, item_names=('items',), item_handlers={'items': <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x79fcb0369700>}, handler_registry=None
I0420 19:58:57.121306 134215376754496 composite_checkpoint_handler.py:237] Deferred registration for item: "items". Adding handler `<orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x79fcb0369700>` 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`.
I0420 19:58:57.121356 134215376754496 composite_checkpoint_handler.py:237] Deferred registration for item: "metrics". Adding handler `<orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x79fcb036e630>` 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`.
I0420 19:58:57.121394 134215376754496 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 0x79fcb0369700>, ('items', <class 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeRestoreArgs'>): <orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler object at 0x79fcb0369700>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonSaveArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x79fcb036e630>, ('metrics', <class 'orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonRestoreArgs'>): <orbax.checkpoint._src.handlers.json_checkpoint_handler.JsonCheckpointHandler object at 0x79fcb036e630>}).
I0420 19:58:57.121895 134215376754496 abstract_checkpointer.py:35] orbax-checkpoint version: 0.11.33
I0420 19:58:57.121973 134215376754496 async_checkpointer.py:177] [process=0][thread=MainThread] Using barrier_sync_fn: <function get_barrier_sync_fn.<locals>._fn at 0x79fcb0128180> timeout: 600 secs and primary_host=0 for async checkpoint writes
I0420 19:58:58.076899 134215376754496 checkpoint_manager.py:1818] Found 0 checkpoint steps in gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints
I0420 19:58:58.090147 134215376754496 checkpoint_manager.py:929] [process=0][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_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints: <orbax.checkpoint.checkpoint_manager.CheckpointManager object at 0x79fcb0369310>
I0420 19:58:58.090268 134215376754496 checkpointing.py:302] Checkpoint manager created!
I0420 19:58:59.014953 134215376754496 nnx_wrappers.py:455] Unknown Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_norm_length', 'activation_embed').
I0420 19:58:59.015178 134215376754496 nnx_wrappers.py:455] Unknown Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0420 19:58:59.802924 134215376754496 attentions.py:1084] attentions/inputs_q Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed').
I0420 19:58:59.803056 134215376754496 attentions.py:1084] attentions/inputs_q Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0420 19:58:59.957725 134215376754496 attentions.py:1085] attentions/inputs_kv Logical: bfloat16[32,2048,2048]...................................... ('activation_batch', 'activation_attn_length', 'activation_attn_embed').
I0420 19:58:59.957856 134215376754496 attentions.py:1085] attentions/inputs_kv Physical: bfloat16[32,2048,2048]...................................... ('fsdp', None, None).
I0420 19:59:00.124236 134215376754496 attentions.py:1150] attentions/query Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0420 19:59:00.124368 134215376754496 attentions.py:1150] attentions/query Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0420 19:59:00.280454 134215376754496 attentions.py:1151] attentions/key Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0420 19:59:00.280585 134215376754496 attentions.py:1151] attentions/key Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0420 19:59:00.436591 134215376754496 attentions.py:1152] attentions/value Logical: bfloat16[32,2048,16,128].................................... ('activation_kv_batch', 'activation_attn_length', 'activation_kv_heads', 'activation_kv_head_dim').
I0420 19:59:00.436718 134215376754496 attentions.py:1152] attentions/value Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0420 19:59:00.601766 134215376754496 attentions.py:1193] attentions/out Logical: bfloat16[32,2048,16,128].................................... ('activation_batch', 'activation_attn_length', 'activation_heads', 'activation_kv').
I0420 19:59:00.601899 134215376754496 attentions.py:1193] attentions/out Physical: bfloat16[32,2048,16,128].................................... ('fsdp', None, None, None).
I0420 19:59:00.626729 134215376754496 linears.py:541] linears/x Logical: bfloat16[32,2048,7168]...................................... ('activation_batch', 'activation_length', 'activation_mlp').
I0420 19:59:00.626833 134215376754496 linears.py:541] linears/x Physical: bfloat16[32,2048,7168]...................................... ('fsdp', None, None).
I0420 19:59:16.212891 134215376754496 checkpointing.py:578] checkpoint manager exists so trying to load this run's existing checkpoint
I0420 19:59:16.213018 134215376754496 checkpointing.py:676] No existing checkpoints found, not restoring checkpoint.
fsdp: 32
I0420 19:59:24.985207 134215376754496 maxtext_utils.py:1740]  params/params/decoder/decoder_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.985356 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.985437 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.985505 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.985549 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.985609 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.985674 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.985729 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.985792 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.985851 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_0/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.985913 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.985981 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.986047 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.986121 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.986173 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.986236 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.986307 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.986367 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.986421 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_1/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.986465 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.986515 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.986571 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.986627 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.986677 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.986730 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.986780 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.986832 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.986892 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_10/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.986951 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.987008 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.987048 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.987122 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.987178 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.987231 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.987290 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.987350 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.987402 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_11/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.987457 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.987508 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.987567 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.987617 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.987657 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.987710 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.987760 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.987811 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.987857 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_12/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.987905 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.987954 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.988011 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.988064 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.988140 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.988187 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.988237 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.988294 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.988346 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_13/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.988397 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.988446 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.988495 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.988546 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.988594 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.988645 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.988694 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.988738 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.988771 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_14/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.988811 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.988864 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.988916 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.988967 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.989017 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.989089 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.989159 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.989217 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.989264 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_15/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.989315 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.989366 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.989420 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.989462 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.989507 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.989562 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.989615 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.989666 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.989719 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_2/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.989779 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.989840 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.989905 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.989957 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.990008 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.990065 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990136 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.990186 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990237 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_3/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990288 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.990342 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.990384 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.990414 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.990441 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.990472 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990502 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.990533 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990561 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_4/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990592 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.990623 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.990672 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.990714 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.990759 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.990810 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990876 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.990936 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.990989 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_5/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.991044 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.991110 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.991167 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.991215 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.991261 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.991318 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.991372 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.991423 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.991469 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_6/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.991520 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.991573 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.991625 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.991670 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.991714 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.991770 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.991832 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.991893 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.991947 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_7/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992004 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.992060 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.992127 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.992174 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.992217 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.992267 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992316 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.992362 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992398 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_8/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992429 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/mlp/wi_0/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.992459 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/mlp/wi_1/kernel
    Shape:     float32[2048,7168]
    Logical:   PartitionSpec('embed', 'mlp')
    Physical:  ('fsdp', None)
I0420 19:59:24.992490 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/mlp/wo/kernel
    Shape:     float32[7168,2048]
    Logical:   PartitionSpec('mlp', 'embed')
    Physical:  (None, 'fsdp')
I0420 19:59:24.992518 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/post_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.992547 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/pre_self_attention_layer_norm/scale
    Shape:     float32[2048]
    Logical:   PartitionSpec('norm',)
    Physical:  (None,)
I0420 19:59:24.992578 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/self_attention/key/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992611 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/self_attention/out/kernel
    Shape:     float32[16,128,2048]
    Logical:   PartitionSpec('heads', 'kv', 'embed')
    Physical:  (None, None, 'fsdp')
I0420 19:59:24.992642 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/self_attention/query/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'q_heads', 'kv')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992672 134215376754496 maxtext_utils.py:1740]  params/params/decoder/layers_9/self_attention/value/kernel
    Shape:     float32[2048,16,128]
    Logical:   PartitionSpec('embed', 'kv_heads', 'kv_head_dim')
    Physical:  ('fsdp', None, None)
I0420 19:59:24.992723 134215376754496 maxtext_utils.py:1740]  params/params/decoder/logits_dense/kernel
    Shape:     float32[2048,32000]
    Logical:   PartitionSpec('embed', 'vocab')
    Physical:  ('fsdp', None)
I0420 19:59:24.992769 134215376754496 maxtext_utils.py:1740]  params/params/token_embedder/embedding
    Shape:     float32[32000,2048]
    Logical:   PartitionSpec('vocab', 'embed')

    Physical:  (None, 'fsdp')
I0420 19:59:28.898872 134215376754496 train.py:158] train/xent Logical: float32[32,2048]............................................ ('activation_embed_and_logits_batch', 'activation_length').
I0420 19:59:28.898971 134215376754496 train.py:158] train/xent Physical: float32[32,2048]............................................ ('fsdp', None).
I0420 19:59:28.913848 134215376754496 train.py:165] train/z_loss Logical: float32[32,2048]............................................ ('activation_embed_and_logits_batch', 'activation_length').
I0420 19:59:28.913910 134215376754496 train.py:165] train/z_loss Physical: float32[32,2048]............................................ ('fsdp', None).
I0420 20:00:25.200212 134215376754496 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.
I0420 20:00:25.209998 134215376754496 metric_logger.py:289] number parameters: 1.104 billion
I0420 20:01:27.675600 134215376754496 checkpointing.py:794] Waiting for step 0 to finish before checkpoint...
I0420 20:01:27.962574 134215376754496 checkpointing.py:798] Waited 0.2869586944580078 seconds for step 0 to finish before starting checkpointing.
I0420 20:01:27.967891 134215376754496 checkpoint_manager.py:2013] [process=0][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0420 20:01:27.969913 134215376754496 checkpoint_manager.py:1518] [process=0] Saving checkpoint at step 0
I0420 20:01:27.972679 134215376754496 async_checkpointer.py:452] [process=0] Started async saving checkpoint to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0.
I0420 20:01:28.308819 134215376754496 signaling_client.py:364] Using JaxDistributedSignalingClient
I0420 20:01:28.568102 134088937694976 atomicity.py:137] Creating tmp directory gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0
I0420 20:01:28.760694 134215376754496 jax_array_handlers.py:358] Scheduling D2H of 444 prioritized jax.Array.
I0420 20:01:28.761462 134215376754496 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
I0420 20:01:29.075534 134215376754496 base_pytree_checkpoint_handler.py:153] [process=0][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.316485s
I0420 20:01:29.076456 134215376754496 base_pytree_checkpoint_handler.py:129] [process=0] /jax/checkpoint/write/blocking_gbytes_per_sec: 2.034 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.758397102355957 s) (per-host)
I0420 20:01:29.076525 134215376754496 base_pytree_checkpoint_handler.py:737] [process=0][thread=MainThread] Initiated Pytree async_save. Time taken: 0.758486s (batch_requests_ready=0.418706s, total_serialization_initiated=0.338938s, others=0.000841s)
I0420 20:01:29.076647 134215376754496 composite_checkpoint_handler.py:715] [process=0][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.764203s (all_items=0.000025s, per_item={'items': '0.00002456'}, temp_paths=0.764179)
I0420 20:01:29.077550 134089470355200 async_checkpointer.py:79] [process=0][thread=async_save] Background save thread started.
I0420 20:01:29.077708 134215376754496 async_checkpointer.py:561] Finished blocking save. Time taken: 1.107729s. Continuing background save to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0.
I0420 20:01:29.079786 134215376754496 checkpoint_manager.py:1566] [process=0][thread=MainThread][step=0] Starting CheckpointManager Save Finalize thread=save_finalize
I0420 20:01:29.080075 134093199091456 async_checkpointer.py:265] [process=0][thread=save_finalize] Waiting for background save thread=async_save.
I0420 20:01:29.080242 134215376754496 standard_logger.py:34] {'step': 0, 'event_type': 'save', 'directory': 'gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1776715287.9678733, 'wait_for_prev_duration_secs': 6.318092346191406e-05, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1776715287.9699512, 'checkpointer_blocking_duration_secs': 1.1078639030456543, 'get_old_steps_start_time': 1776715289.0778425, 'get_old_steps_duration_secs': 2.5033950805664062e-05, 'checkpoint_manager_blocking_start_time': 1776715287.9657142, 'checkpoint_manager_blocking_duration_secs': 1.1144917011260986}
I0420 20:01:29.080487 134215376754496 checkpointing.py:409] Started an asynchronous checkpoint save for step 0
I0420 20:01:29.080541 134215376754496 max_utils.py:750] 
Memstats: After params initialized:
I0420 20:01:29.080589 134215376754496 max_utils.py:756] 	Using (GB) 0.82 / 31.25 (2.624000%) on TPU_0(process=0,(0,0,0,0))
I0420 20:01:29.080624 134215376754496 max_utils.py:756] 	Using (GB) 0.82 / 31.25 (2.624000%) on TPU_1(process=0,(1,0,0,0))
I0420 20:01:29.080653 134215376754496 max_utils.py:756] 	Using (GB) 0.82 / 31.25 (2.624000%) on TPU_4(process=0,(0,1,0,0))
I0420 20:01:29.080679 134215376754496 max_utils.py:756] 	Using (GB) 0.82 / 31.25 (2.624000%) on TPU_5(process=0,(1,1,0,0))
I0420 20:01:29.420945 134215376754496 metric_logger.py:185] completed step: 0, seconds: 61.877, TFLOP/s/device: 0.220, Tokens/s/device: 33.098, total_weights: 65536, loss: 10.877
I0420 20:01:29.424043 134215376754496 metric_logger.py:269] To see full metrics 'tensorboard --logdir=gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/tensorboard/'
I0420 20:01:29.916175 134215376754496 metric_logger.py:185] completed step: 1, seconds: 1.734, TFLOP/s/device: 7.837, Tokens/s/device: 1181.257, total_weights: 65536, loss: 10.877
I0420 20:01:30.047286 134215376754496 metric_logger.py:185] completed step: 2, seconds: 0.504, TFLOP/s/device: 26.977, Tokens/s/device: 4066.292, total_weights: 65536, loss: 10.268
I0420 20:01:30.183662 134215376754496 metric_logger.py:185] completed step: 3, seconds: 0.013, TFLOP/s/device: 1040.681, Tokens/s/device: 156862.745, total_weights: 65536, loss: 9.741
I0420 20:01:52.631936 134089457784576 checkpoint.py:188] Wrote Metadata={'item_handlers': None, 'metrics': {}, 'performance_metrics': {}, 'init_timestamp_nsecs': 1776715290214738578, 'commit_timestamp_nsecs': None, 'custom_metadata': {}}, json={"item_handlers": null, "metrics": {}, "performance_metrics": {}, "init_timestamp_nsecs": 1776715290214738578, "commit_timestamp_nsecs": null, "custom_metadata": {}} to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/_CHECKPOINT_METADATA
I0420 20:01:52.634440 134090070152960 atomicity.py:137] Creating tmp directory gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/items
I0420 20:01:52.634889 134215376754496 metric_logger.py:185] completed step: 4, seconds: 0.133, TFLOP/s/device: 102.191, Tokens/s/device: 15403.360, total_weights: 65536, loss: 9.285
I0420 20:01:52.652072 134215376754496 metric_logger.py:185] completed step: 5, seconds: 0.136, TFLOP/s/device: 99.863, Tokens/s/device: 15052.404, total_weights: 65536, loss: 8.901
I0420 20:01:52.781842 134215376754496 metric_logger.py:185] completed step: 6, seconds: 22.453, TFLOP/s/device: 0.605, Tokens/s/device: 91.214, total_weights: 65536, loss: 8.602
I0420 20:01:52.918270 134215376754496 metric_logger.py:185] completed step: 7, seconds: 0.012, TFLOP/s/device: 1087.057, Tokens/s/device: 163853.108, total_weights: 65536, loss: 8.393
I0420 20:01:53.054735 134215376754496 metric_logger.py:185] completed step: 8, seconds: 0.131, TFLOP/s/device: 103.594, Tokens/s/device: 15614.874, total_weights: 65536, loss: 8.264
I0420 20:01:53.190809 134215376754496 checkpointing.py:794] Waiting for step 9 to finish before checkpoint...
I0420 20:01:53.194467 134215376754496 checkpointing.py:798] Waited 0.0036776065826416016 seconds for step 9 to finish before starting checkpointing.
I0420 20:01:53.197364 134215376754496 checkpoint_manager.py:2024] [process=0][thread=MainThread][step=0][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0420 20:01:53.945868    2720 google_auth_provider.cc:181] Running on GCE, using service account 562977990677-compute@developer.gserviceaccount.com
I0420 20:01:55.739700 134093190698752 array_metadata_store.py:203] [process=0][thread=array_type_handler] Wrote 444 array_metadata.ArrayMetadata to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/items/array_metadatas/process_0
I0420 20:02:27.759183 134089478747904 base_pytree_checkpoint_handler.py:1232] [process=0][thread=write_metadata_after_commits] Commit + Array metadata written. Time taken: 33.836805s (commit=32.393465s, array_metadata_write=1.443340s)
I0420 20:02:27.760976 134089470355200 base_pytree_checkpoint_handler.py:129] [process=0] /jax/checkpoint/write/gbytes_per_sec: 26.573 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 59.442883253097534 s) (per-host)
I0420 20:02:27.761115 134089470355200 async_checkpointer.py:90] [process=0][thread=async_save] 3 Handler Commit operations completed. Time taken: 58.683451s.
I0420 20:02:28.465179 134089470355200 checkpoint.py:228] Read Metadata={'item_handlers': None, 'metrics': {}, 'performance_metrics': {}, 'init_timestamp_nsecs': 1776715290214738578, 'commit_timestamp_nsecs': None, 'custom_metadata': {}} from gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/_CHECKPOINT_METADATA
I0420 20:02:29.254058 134089457784576 checkpoint.py:247] Updated Metadata={'item_handlers': {'items': 'orbax.checkpoint._src.handlers.pytree_checkpoint_handler.PyTreeCheckpointHandler'}, 'metrics': {}, 'performance_metrics': {}, 'init_timestamp_nsecs': 1776715290214738578, 'commit_timestamp_nsecs': None, 'custom_metadata': {}} to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/_CHECKPOINT_METADATA
I0420 20:02:29.319106 134089470355200 array_metadata_store.py:411] [process=0][thread=async_save] Validated ArrayMetadata from all 8 hosts. Time taken: 0.002444s.
I0420 20:02:30.189862 134089470355200 ocdbt_utils.py:49] Param validation support for Zarr3 will be added later (b/362328389).
I0420 20:02:31.629641 134089470355200 base_pytree_checkpoint_handler.py:1356] [process=0][thread=async_save] Pytree save finalize (merge_ocdbt + ArrayMetadata validation) completed. Time taken: 3.032803s. use_zarr3=True, enable_post_merge_validation=True, directory=gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/items
I0420 20:02:31.631925 134089470355200 atomicity.py:608] Finalizing gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0/items
I0420 20:02:32.067760 134089470355200 atomicity.py:608] Finalizing gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0
I0420 20:02:33.513175 134089470355200 atomicity.py:790] [process=0][thread=async_save] Finished saving checkpoint (finalized tmp dir) to `gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0`.
I0420 20:02:33.514013 134089470355200 async_checkpointer.py:420] Finished async_save (blocking + background). Time taken: 65.544035s. directory=gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/0
I0420 20:02:33.515483 134089470355200 async_checkpointer.py:144] [process=0][thread=async_save] Background save thread done. Time taken: 64.437818s.
I0420 20:02:33.515640 134093199091456 async_checkpointer.py:273] [process=0][thread=save_finalize] Done with waiting for background save thread=async_save.
I0420 20:02:33.515710 134093199091456 async_checkpointer.py:283] [process=0][thread=save_finalize] No errors found in background save thread=async_save.
I0420 20:02:33.515773 134093199091456 checkpoint_manager.py:2133] [process=0][thread=save_finalize][step=0] CheckpointManager Save Finalize is syncing with other hosts...
I0420 20:02:33.518111 134093199091456 checkpoint_manager.py:2142] [process=0][thread=save_finalize][step=0] CheckpointManager Save Finalize is done on all hosts.
I0420 20:02:33.518255 134215376754496 checkpoint_manager.py:2036] [process=0][thread=MainThread][step=0][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=0.
W0420 20:02:33.518343 134215376754496 checkpoint_manager.py:1458] Waiting for previous save to complete took 40.320986 seconds. If this number is high, consider checkpointing less frequently.
I0420 20:02:33.520761 134215376754496 checkpoint_manager.py:1518] [process=0] Saving checkpoint at step 9
I0420 20:02:33.524467 134215376754496 async_checkpointer.py:452] [process=0] Started async saving checkpoint to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9.
I0420 20:02:34.088961 134089470355200 atomicity.py:137] Creating tmp directory gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9
I0420 20:02:34.120858 134215376754496 jax_array_handlers.py:358] Scheduling D2H of 444 prioritized jax.Array.
I0420 20:02:34.121027 134215376754496 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
I0420 20:02:34.246618 134215376754496 base_pytree_checkpoint_handler.py:153] [process=0][thread=MainThread] Initiated "orbax.checkpoint._src.serialization.jax_array_handlers.ArrayHandler".serialize. Time taken: 0.127328s
I0420 20:02:34.247494 134215376754496 base_pytree_checkpoint_handler.py:129] [process=0] /jax/checkpoint/write/blocking_gbytes_per_sec: 3.703 GiB/s (total gbytes: 1.5 GiB) (time elapsed: 0.4165499210357666 s) (per-host)
I0420 20:02:34.247555 134215376754496 base_pytree_checkpoint_handler.py:737] [process=0][thread=MainThread] Initiated Pytree async_save. Time taken: 0.416627s (batch_requests_ready=0.268344s, total_serialization_initiated=0.147502s, others=0.000781s)
I0420 20:02:34.247674 134215376754496 composite_checkpoint_handler.py:715] [process=0][thread=MainThread] Initiated CompositeCheckpointHandler.async_save. Time taken: 0.420794s (all_items=0.000018s, per_item={'items': '0.00001764'}, temp_paths=0.420776)
I0420 20:02:34.248591 134090053584640 async_checkpointer.py:79] [process=0][thread=async_save] Background save thread started.
I0420 20:02:34.248746 134215376754496 async_checkpointer.py:561] Finished blocking save. Time taken: 0.727902s. Continuing background save to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9.
I0420 20:02:34.281106 134215376754496 checkpoint_manager.py:1566] [process=0][thread=MainThread][step=9] Starting CheckpointManager Save Finalize thread=save_finalize
I0420 20:02:34.281425 134093199091456 async_checkpointer.py:265] [process=0][thread=save_finalize] Waiting for background save thread=async_save.
I0420 20:02:34.281595 134215376754496 standard_logger.py:34] {'step': 9, 'event_type': 'save', 'directory': 'gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints', 'reached_preemption': False, 'preemption_received_at': None, 'synchronous': False, 'wait_for_prev_start_time': 1776715313.1973321, 'wait_for_prev_duration_secs': 40.32098627090454, 'time_between_consecutive_saves_sec': None, 'checkpointer_blocking_start_time': 1776715353.5208087, 'checkpointer_blocking_duration_secs': 0.7280540466308594, 'get_old_steps_start_time': 1776715354.2488832, 'get_old_steps_duration_secs': 2.5987625122070312e-05, 'checkpoint_manager_blocking_start_time': 1776715313.1953452, 'checkpoint_manager_blocking_duration_secs': 41.08621644973755}
I0420 20:02:34.281793 134215376754496 checkpointing.py:409] Started an asynchronous checkpoint save for step 9
I0420 20:02:34.281841 134215376754496 checkpoint_manager.py:2024] [process=0][thread=MainThread][step=9][wait_until_finished] Waiting for Save Finalize thread (save_finalize) to complete.
I0420 20:02:35.837731 134090031560448 atomicity.py:137] Creating tmp directory gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9/items
I0420 20:02:39.196904 134090514736896 array_metadata_store.py:203] [process=0][thread=array_type_handler] Wrote 444 array_metadata.ArrayMetadata to gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9/items/array_metadatas/process_0
I0420 20:03:20.434287 134090078545664 base_pytree_checkpoint_handler.py:1232] [process=0][thread=write_metadata_after_commits] Commit + Array metadata written. Time taken: 43.048698s (commit=41.461780s, array_metadata_write=1.586919s)
I0420 20:03:20.436094 134090053584640 base_pytree_checkpoint_handler.py:129] [process=0] /jax/checkpoint/write/gbytes_per_sec: 33.893 MiB/s (total gbytes: 1.5 GiB) (time elapsed: 46.605108976364136 s) (per-host)
I0420 20:03:20.436198 134090053584640 async_checkpointer.py:90] [process=0][thread=async_save] 3 Handler Commit operations completed. Time taken: 46.187496s.
I0420 20:03:22.205922 134090053584640 array_metadata_store.py:411] [process=0][thread=async_save] Validated ArrayMetadata from all 8 hosts. Time taken: 0.002018s.
I0420 20:03:22.484542 134090053584640 ocdbt_utils.py:49] Param validation support for Zarr3 will be added later (b/362328389).
I0420 20:03:24.057528 134090053584640 base_pytree_checkpoint_handler.py:1356] [process=0][thread=async_save] Pytree save finalize (merge_ocdbt + ArrayMetadata validation) completed. Time taken: 2.700727s. use_zarr3=True, enable_post_merge_validation=True, directory=gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9/items
I0420 20:03:24.059293 134090053584640 atomicity.py:608] Finalizing gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9/items
I0420 20:03:24.509612 134090053584640 atomicity.py:608] Finalizing gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9
I0420 20:03:26.254163 134090053584640 atomicity.py:790] [process=0][thread=async_save] Finished saving checkpoint (finalized tmp dir) to `gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9`.
I0420 20:03:26.255020 134090053584640 async_checkpointer.py:420] Finished async_save (blocking + background). Time taken: 52.734184s. directory=gs://lance-maxtext/linen_ckpt_xpk_feat_nnx_set_defaults_true_20260420_190404/linen_xpk_feat_nnx_set_defaults_true_20260420_190404_13_scan_layers_false/checkpoints/9
I0420 20:03:26.256499 134090053584640 async_checkpointer.py:144] [process=0][thread=async_save] Background save thread done. Time taken: 52.007796s.
I0420 20:03:26.256694 134093199091456 async_checkpointer.py:273] [process=0][thread=save_finalize] Done with waiting for background save thread=async_save.
I0420 20:03:26.256817 134093199091456 async_checkpointer.py:283] [process=0][thread=save_finalize] No errors found in background save thread=async_save.
I0420 20:03:26.256891 134093199091456 checkpoint_manager.py:2133] [process=0][thread=save_finalize][step=9] CheckpointManager Save Finalize is syncing with other hosts...
I0420 20:03:26.258848 134093199091456 checkpoint_manager.py:2142] [process=0][thread=save_finalize][step=9] CheckpointManager Save Finalize is done on all hosts.
I0420 20:03:26.258995 134215376754496 checkpoint_manager.py:2036] [process=0][thread=MainThread][step=9][wait_until_finished] Done waiting for Save Finalize thread (save_finalize) running at step=9.
I0420 20:03:26.259095 134215376754496 checkpoint_manager.py:2013] [process=0][thread=MainThread][wait_until_finished] No Save Finalize thread to wait for. Returning.
I0420 20:03:26.259767 134215376754496 metric_logger.py:185] completed step: 9, seconds: 0.136, TFLOP/s/device: 99.612, Tokens/s/device: 15014.663, total_weights: 65536, loss: 8.188
Per train step:
 Total TFLOPs: 13.59 
 split as 93.93% learnable weight flops and 6.07% attention flops
XPK End: Mon Apr 20 20:03:39 UTC 2026
EXIT_CODE=0