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memgui-rl
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MemGUI-RL-Eval

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Cannot load the dataset split (in streaming mode) to extract the first rows.

Error code:   StreamingRowsError
Exception:    ArrowInvalid
Message:      JSON parse error: Invalid value. in row 0
Traceback:    Traceback (most recent call last):
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 324, in _generate_tables
                  df = pandas_read_json(f)
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 38, in pandas_read_json
                  return pd.read_json(path_or_buf, **kwargs)
                         ~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 815, in read_json
                  return json_reader.read()
                         ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 1014, in read
                  obj = self._get_object_parser(self.data)
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 1040, in _get_object_parser
                  obj = FrameParser(json, **kwargs).parse()
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 1176, in parse
                  self._parse()
                  ~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/pandas/io/json/_json.py", line 1392, in _parse
                  ujson_loads(json, precise_float=self.precise_float), dtype=None
                  ~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              ValueError: Unexpected character found when decoding 'true'
              
              During handling of the above exception, another exception occurred:
              
              Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 147, in get_rows_or_raise
                  return get_rows(
                      dataset=dataset,
                  ...<4 lines>...
                      column_names=column_names,
                  )
                File "/src/libs/libcommon/src/libcommon/utils.py", line 272, in decorator
                  return func(*args, **kwargs)
                File "/src/services/worker/src/worker/utils.py", line 127, in get_rows
                  rows_plus_one = list(itertools.islice(safe_iter(ds, dataset=dataset), rows_max_number + 1))
                File "/src/services/worker/src/worker/utils.py", line 483, in safe_iter
                  yield from ds.decode(False) if ds.features else ds
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2840, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 506, in __iter__
                  yield from self.ex_iterable
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 398, in __iter__
                  for key, pa_table in self.generate_tables_fn(**gen_kwags):
                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 327, in _generate_tables
                  raise e
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 290, in _generate_tables
                  pa_table = paj.read_json(
                      io.BytesIO(batch), read_options=paj.ReadOptions(block_size=block_size)
                  )
                File "pyarrow/_json.pyx", line 342, in pyarrow._json.read_json
                File "pyarrow/error.pxi", line 155, in pyarrow.lib.pyarrow_internal_check_status
                File "pyarrow/error.pxi", line 92, in pyarrow.lib.check_status
                  raise convert_status(status)
              pyarrow.lib.ArrowInvalid: JSON parse error: Invalid value. in row 0

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MemGUI-RL-Eval

Evaluation logs of every model row reported in the ICLR 2027 submission FARPO: Folding-Aware Reward-Decoupled Policy Optimization for Long-Horizon Mobile GUI Agents (project MemGUI-RL; project page: https://memgui-rl-anonymous.github.io/). The release has two tiers.

Tier 1 - compact bundles (about 110 MB in total)

memgui_bench/<session>.zip - per-task ConAct trajectories (traj.json, three attempts where applicable), MemGUI-Eval judge outputs (_memgui_eval/results.csv, per-attempt judgments, failure labels, information-retention analyses), metrics_summary.json and run metadata; screenshots and raw model requests omitted.
mobileworld/<session>.zip - per-task trajectories and the MobileWorld GUI-only evaluation report.

Tier 2 - complete sessions (684 GB in total)

Everything the evaluation harness wrote, including every device screenshot, the per-step request sent to the policy (prompt, folded history, memory state, response), the MemGUI-Eval judge inputs and outputs, thread logs and the results.csv ledgers.

memgui_bench_full/<session>/<session>.tasks_AAA-BBB.zip - all files of tasks AAA..BBB (top-level task directory, _attempt_trajs/<task> for attempts 2-3, _memgui_eval/<task> judge files; _backup_<timestamp> directories are the harness's copies of interrupted or re-run tasks).
memgui_bench_full/<session>/<session>.session_files.zip - everything that is not a task directory (run metadata, eval reports, results.csv, thread logs). For the two sessions that were archived from a local copy (session-memgui-v26050803, memgui-8b-26062202) this archive also carries the _attempt_trajs and _memgui_eval trees, which is why it is large.
mobileworld_full/<session>/<session>.zip - the complete MobileWorld session.

All archives are stored uncompressed (screenshots do not compress); unzip them into one directory per session to rebuild the original layout, e.g.

huggingface-cli download memgui-rl/MemGUI-RL-Eval --repo-type dataset \
    --include "memgui_bench_full/memgui_8b_on_mg_26072401/*" --local-dir ./eval
cd eval/memgui_bench_full/memgui_8b_on_mg_26072401 && for z in *.zip; do unzip -q -o "$z"; done

Paper row	Benchmark	Session	Full archives	Full size (GB)
MemGUI-8B-SFT (MemGUI-Agent release; RL initialisation)	MemGUI-Bench	`session-memgui-v26050803`	9	46.1
MemGUI-8B-SFT (MemGUI-Agent release; RL initialisation)	MobileWorld	`memgui_8b_26050801`	1	2.2
FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset)	MemGUI-Bench	`memgui_8b_on_mg_26072401-check1`	10	83.9
FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset)	MemGUI-Bench	`memgui_8b_on_mg_26072401`	25	91.3
FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset)	MemGUI-Bench	`memgui_8b_on_mg_26062901`	4	13.1
FARPO rho=9 = MemGUI-8B-RL (128 tasks: -check1 is the session reported in the paper, 26072401 the earlier session used for the case studies; 26062901 = 40-task development subset)	MobileWorld	`memgui_on_mw_8b_26062801`	1	2.4
natural corpus, all folds (sweep)	MemGUI-Bench	`memgui-8b-26062202`	6	29.9
natural corpus, all folds (sweep)	MobileWorld	`memgui_8b_26062302`	1	2.1
span folds only (sweep)	MemGUI-Bench	`memgui-8b-26062201`	4	13.0
span folds only (sweep)	MobileWorld	`memgui_8b_26062301`	1	2.4
rho=4 (sweep)	MemGUI-Bench	`memgui_8b_on_mg_26070401`	4	13.9
rho=4 (sweep)	MobileWorld	`memgui_on_mw_8b_26070301`	1	2.2
rho=3 (sweep)	MemGUI-Bench	`memgui_8b_on_mg_26070602`	4	10.8
rho=3 (sweep)	MobileWorld	`memgui_on_mw_8b_26070602`	1	2.5
rho=2 (sweep)	MemGUI-Bench	`memgui_8b_on_mg_26070702`	4	13.4
rho=2 (sweep)	MobileWorld	`memgui_on_mw_8b_26070603`	1	2.4
rho=1/4, reverts to the natural ratio (sweep)	MemGUI-Bench	`memgui_8b_on_mg_26070701`	4	14.2
rho=1/4, reverts to the natural ratio (sweep)	MobileWorld	`memgui_on_mw_8b_26070601`	1	2.8
direct RL from Qwen3-VL-8B-Instruct (rho=9)	MemGUI-Bench	`memgui_8b_on_mg_26090601`	9	86.9
direct RL from Qwen3-VL-8B-Instruct (rho=9)	MobileWorld	`memgui_on_mw_8b_26090601`	1	2.2
ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies)	MemGUI-Bench	`memgui_8b_on_mg_26090701-check1`	9	77.6
ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies)	MemGUI-Bench	`memgui_8b_on_mg_26090701`	36	96.5
ablation step 1: GRPO recipe (scalar estimator, natural sampling; -check1 is the session reported in the paper, 26090701 the earlier session used for the case studies)	MobileWorld	`memgui_on_mw_8b_26090701`	1	2.9
ablation step 2: + reward decoupling (decoupled estimator, natural sampling; session -check2 is the one reported in the paper)	MemGUI-Bench	`memgui_8b_on_mg_26090901-check2`	10	66.0
ablation step 2: + reward decoupling (decoupled estimator, natural sampling; session -check2 is the one reported in the paper)	MobileWorld	`memgui_on_mw_8b_26090901-check1`	1	2.6

manifest.json maps every archive (compact and full) to the row of the paper it supports. Serving-endpoint identifiers, judge model ids, API keys and local paths are redacted in all text files; screenshots are unmodified.

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