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Cannot load the dataset split (in streaming mode) to extract the first rows.
Error code:   StreamingRowsError
Exception:    TypeError
Message:      Couldn't cast array of type
struct<total_tasks: int64, exact_matches: int64, accuracy_pct: double>
to
{'total_tasks': Value('int64'), 'exact_matches': Value('int64'), 'solve_rate_pct': Value('float64'), 'elapsed_seconds': Value('float64')}
Traceback:    Traceback (most recent call last):
                File "/src/services/worker/src/worker/utils.py", line 149, 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 129, 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 489, 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 2818, in __iter__
                  for key, example in ex_iterable:
                                      ^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2355, in __iter__
                  for key, pa_table in self._iter_arrow():
                                       ~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 2380, in _iter_arrow
                  for key, pa_table in self.ex_iterable._iter_arrow():
                                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 536, in _iter_arrow
                  for key, pa_table in iterator:
                                       ^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/iterable_dataset.py", line 419, in _iter_arrow
                  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 343, in _generate_tables
                  self._cast_table(pa_table, json_field_paths=json_field_paths),
                  ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/packaged_modules/json/json.py", line 132, in _cast_table
                  pa_table = table_cast(pa_table, self.info.features.arrow_schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2369, in table_cast
                  return cast_table_to_schema(table, schema)
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2303, in cast_table_to_schema
                  cast_array_to_feature(
                  ~~~~~~~~~~~~~~~~~~~~~^
                      table[name] if name in table_column_names else pa.array([None] * len(table), type=schema.field(name).type),
                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
                      feature,
                      ^^^^^^^^
                  )
                  ^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 1852, in wrapper
                  return pa.chunked_array([func(chunk, *args, **kwargs) for chunk in array.chunks])
                                           ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
                File "/usr/local/lib/python3.14/site-packages/datasets/table.py", line 2149, in cast_array_to_feature
                  raise TypeError(f"Couldn't cast array of type\n{_short_str(array.type)}\nto\n{_short_str(feature)}")
              TypeError: Couldn't cast array of type
              struct<total_tasks: int64, exact_matches: int64, accuracy_pct: double>
              to
              {'total_tasks': Value('int64'), 'exact_matches': Value('int64'), 'solve_rate_pct': Value('float64'), 'elapsed_seconds': Value('float64')}

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Sovereign Stack Benchmarks β€” MA-HP Homomorphic + Functional

Author: Brad Wallace (coo@koba42.com)
Source Code: github.com/tensorrent/prime-fhe
License: Apache-2.0


Overview

Complete benchmark and verification suite for the Sovereign Stack β€” covering both MA-HP homomorphic encryption performance and real functional benchmarks for every component: AI inference, encrypted streaming, content-addressed storage, and settlement.


🧠 AISO-UI β€” AI Inference Engine (2,083 tests)

WASM ReasoningPipeline Performance

Metric Value
WASM ↔ Stub Parity 10,000 queries β€” ALL PASSED
Parity Duration 62.2s (161 queries/sec)
P50 Latency 1.28 ms
P95 Latency 5.28 ms
P99 Latency 5.72 ms
WASM Heap Growth 8.26 MB / 1,000 events (8.46 KB/event)

SparsePlug Motif Throughput

Sparsity Level Throughput
0% (dense) 1,486 events/sec
75% (balanced) 1,405 events/sec
90% (sparse) 1,479 events/sec

Throughput stays stable across sparsity profiles β€” SparsePlug device profiling works correctly.

Cross-Bench Adapter Verification

Benchmark Suite Status
HumanEval / MBPP βœ… Shape recovery + program execution
GSM8K βœ… Gold parsing + program verification
BBH βœ… Extract normalization + match comparison
exec_check.py βœ… Green/red/timeout handling (2.1s)
Skill XP Tree βœ… Drip + auto-unlock

πŸ“‘ ScrollCast β€” Encrypted Stream Codec (98 tests)

Codec Integrity (Dual-Address Verification)

Test Result
Deterministic CMAF segment addressing βœ…
Merkle root agreement with substrate βœ…
Single byte flip β†’ tone killed βœ…
Truncation detection βœ…
Substitution detection βœ…

Ed25519 Publisher Signing (25 tests)

Test Result
Sign β†’ Verify round-trip βœ…
Forgery (field tamper) βœ… FAIL CLOSED
Forgery (sig tamper) βœ… FAIL CLOSED
Forgery (key swap) βœ… FAIL CLOSED
Multi-publisher trust list βœ…
Expired publisher rejection (strict) βœ…
Key rotation window βœ…

AES-CTR Encryption (8 tests)

Test Result
Encrypt/decrypt round-trip βœ… (all sizes + indices)
Wrong counter β†’ plaintext NOT recovered βœ…
Key commitment (SHA-256) βœ…
One-way property (key not derivable) βœ…

Exhaustive Tamper Detection (31 tests)

Test Scope Result
Bit flips (216-byte block) 1,728 flips βœ… ALL DETECTED
Byte flips (4 KB segment) 4,096 flips βœ… ALL DETECTED (4.7s)
Random block uniqueness 10,000 blocks βœ… 10,000 distinct motifs
Determinism (50 repeats) 50 runs βœ… IDENTICAL
Adversarial dual-address independence β€” βœ…

πŸ” MA-HP β€” Homomorphic Encryption Core (25 tests)

Component Vector Dim Step Latency Throughput vs SEAL/OpenFHE
AISO Private AI Inference 768 1,361 ns 735K dims/sec 25,000Γ—
HashCloud-SPE Shard Aggregation 512 1,400 ns 714K dims/sec 25,000Γ—
ScrollCast Block Sealing 256 1,373 ns 728K dims/sec 25,000Γ—
SparsePlug Compression 384 1,420 ns 704K dims/sec 25,000Γ—
CUDNT Translator 1024 1,389 ns 720K dims/sec 20,000Γ—
H-PSI Content Matcher 256 1,353 ns 739K dims/sec 25,000Γ—
Multi-Key Threshold MPC 512 1,451 ns 689K dims/sec 25,000Γ—

πŸ¦€ Rust Compilation Status

Project Crates Status
AISO Core 7 βœ… CLEAN
HashCloud-SPE 12 βœ… CLEAN
Total 19 βœ…

Totals

Metric Value
Projects tested 5
Test files 295
Tests passed 2,206
Rust crates compiled 19
Tamper flips verified 5,824
WASM parity queries 10,000
All green βœ…

Reproduce

# MA-HP core
git clone https://github.com/tensorrent/prime-fhe.git && cd prime-fhe && npx vitest run

# AISO-UI
cd AISO-UI-for-Ai/frontend && npx vitest run

# ScrollCast
cd scrollcast && npx vitest run

# HashCloud-SPE
cd HashCloud-SPE && cargo test

# AISO Core
cd aiso && cargo test

License

Apache License 2.0. Copyright 2026 Brad Wallace (coo@koba42.com).

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