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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 — 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 — 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 — AI Inference Engine (2,083 tests)

WASM ReasoningPipeline Performance

Metric Value
WASM ↔ Stub Parity 10,000 queries — 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 — SparsePlug device profiling works correctly.

Cross-Bench Adapter Verification

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

📡 ScrollCast — Encrypted Stream Codec (98 tests)

Codec Integrity (Dual-Address Verification)

Test Result
Deterministic CMAF segment addressing
Merkle root agreement with substrate
Single byte flip → tone killed
Truncation detection
Substitution detection

Ed25519 Publisher Signing (25 tests)

Test Result
Sign → Verify round-trip
Forgery (field tamper) ✅ FAIL CLOSED
Forgery (sig tamper) ✅ FAIL CLOSED
Forgery (key swap) ✅ FAIL CLOSED
Multi-publisher trust list
Expired publisher rejection (strict)
Key rotation window

AES-CTR Encryption (8 tests)

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

Exhaustive Tamper Detection (31 tests)

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

🔐 MA-HP — 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 25,000×
HashCloud-SPE Shard Aggregation 512 1,400 ns 714K dims/sec 25,000×
ScrollCast Block Sealing 256 1,373 ns 728K dims/sec 25,000×
SparsePlug Compression 384 1,420 ns 704K dims/sec 25,000×
CUDNT Translator 1024 1,389 ns 720K dims/sec 20,000×
H-PSI Content Matcher 256 1,353 ns 739K dims/sec 25,000×
Multi-Key Threshold MPC 512 1,451 ns 689K dims/sec 25,000×

🦀 Rust Compilation Status

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

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

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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