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The dataset generation failed
Error code: DatasetGenerationError
Exception: TypeError
Message: int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
Traceback: Traceback (most recent call last):
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1531, in _prepare_split_single
for key, record in generator:
^^^^^^^^^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 613, in wrapped
for item in generator(*args, **kwargs):
~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 127, in _generate_examples
for example_idx, example in enumerate(self._get_pipeline_from_tar(tar_path, tar_iterator)):
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/webdataset/webdataset.py", line 32, in _get_pipeline_from_tar
for filename, f in tar_iterator:
^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/utils/track.py", line 49, in __iter__
for x in self.generator(*self.args):
~~~~~~~~~~~~~~^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 1405, in _iter_from_urlpath
with xopen(urlpath, "rb", download_config=download_config, block_size=0) as f:
~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/utils/file_utils.py", line 982, in xopen
file_obj = fs.open(paths[0], mode)
File "<string>", line 3, in open
File "/usr/local/lib/python3.14/unittest/mock.py", line 1176, in __call__
return self._mock_call(*args, **kwargs)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/unittest/mock.py", line 1180, in _mock_call
return self._execute_mock_call(*args, **kwargs)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/unittest/mock.py", line 1247, in _execute_mock_call
result = effect(*args, **kwargs)
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 786, in wrapped
tracker.files[urlpath] = {"read": 0, "size": int(f.size)}
~~~^^^^^^^^
TypeError: int() argument must be a string, a bytes-like object or a real number, not 'NoneType'
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 1369, in compute_config_parquet_and_info_response
parquet_operations, partial, estimated_dataset_info = stream_convert_to_parquet(
~~~~~~~~~~~~~~~~~~~~~~~~~^
builder, max_dataset_size_bytes=max_dataset_size_bytes
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "/src/services/worker/src/worker/job_runners/config/parquet_and_info.py", line 948, in stream_convert_to_parquet
builder._prepare_split(split_generator=splits_generators[split], file_format="parquet")
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1393, in _prepare_split
for job_id, done, content in self._prepare_split_single(
~~~~~~~~~~~~~~~~~~~~~~~~~~^
gen_kwargs=gen_kwargs, job_id=job_id, **_prepare_split_args
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
):
^
File "/usr/local/lib/python3.14/site-packages/datasets/builder.py", line 1571, in _prepare_split_single
raise DatasetGenerationError("An error occurred while generating the dataset") from e
datasets.exceptions.DatasetGenerationError: An error occurred while generating the datasetNeed help to make the dataset viewer work? Make sure to review how to configure the dataset viewer, and open a discussion for direct support.
pt unknown | __key__ string | __url__ string |
|---|---|---|
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfMC9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_0 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfMS9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_1 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfMi9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_2 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfMy9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_3 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfNC9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_4 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfNS9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_5 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfNi9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_6 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfNy9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_7 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfOC9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_8 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
"UEsDBAAACAgAAAAAAAAAAAAAAAAAAAAAAAAQABIAdHJhY2VfOS9kYXRhLnBrbEZCDgBaWlpaWlpaWlpaWlpaWoACfXEAKFgBAAA(...TRUNCATED) | trace_9 | "hf://datasets/dungnv/trail-14b-activations@0f0b68565b8a499d75d6f699cc9cd6ed34aacd21/forelen/fl_trai(...TRUNCATED) |
End of preview.
TRAIL 14B activations
Per-decode-step hidden activations from deepseek-ai/DeepSeek-R1-Distill-Qwen-14B, layer 27, collected through vLLM at temperature 0 (greedy). Used to train and calibrate remaining-length predictors for conformal SRPT scheduling.
Contents
| dir | traces | prompts from |
|---|---|---|
forelen/ |
14,997 | ForeLen pool: math, gsm8k, mmlu-stem, mbpp, cruxeval, ifeval, livecodebench, longseq |
chat20k/ |
20,000 | chat (WildChat / LMSYS derived) |
Each trace_<i>.pt is a torch dict:
| key | |
|---|---|
L27 |
(T, 5120) float16 — last-token hidden state at each decode step |
T |
reasoning length (tokens before </think>) |
g |
(T,) decode step index for each row |
dataset |
source dataset name |
prompt |
the prompt text |
<i> is the prompt's index in the matching shard file, so traces align with the prompt list.
Collection
Activations are captured by a forward hook on layer 27 inside vLLM's model runner, recording the
last-token hidden state on each decode step (prefill steps excluded). Collecting through vLLM
rather than HF generate matters: the predictor is read on the serving path, so training and
serving see the same batched/paged/fp16 distribution.
Traces where </think> appears within 8 tokens, or with fewer than 8 recorded steps, were dropped.
Traces that hit the 16384-token cap are present and record T = 16384, which is not the true
reasoning length — filter them out for training or calibration.
Note on prompts
chat20k prompts derive from WildChat-1M and LMSYS-Chat-1M, which are gated on the Hub with their
own usage agreements. Use of the prompt text here is subject to those upstream terms.
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