aere-research/parallel-executor/endtoend-logs-2026-07-13/04-endtoend.txt
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- corrected LICENSE year, LICENSING.md, VERIFY-POLICY.md, and
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- O-018: run_consensus_verification.py ran 19 of 29 models and reported PASS;
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- bench/ scripts parametrized so they actually run for an outsider (the
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- AIP-2/AIP-3 errata with measured figures, spec remeasurements at 2026-08-01,
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2026-08-15 13:52:14 +03:00

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=======================================================
BLOCK-STM END-TO-END BLOCK-PRODUCTION THROUGHPUT
machine threads available : 16
txns per batch : 20000
simulated EVM cost per tx : 80 keccak-rounds
timing : median of 7 runs (ms)
pipeline : exec (parallel) + commit (serial) + state-root (serial)
serial-equivalence : par state == seq state AND keccak roots identical, EVERY run
=======================================================
### 0% designed conflict (disjoint accounts, 64 contracts spread)
committed state keys : 49637
sequential exec 663.15 ms | root 9.69 ms | END-TO-END 672.84 ms | root-share 1.4%
sequential end-to-end TPS: 29725
W | exec commit root e2e_ms | execSpd e2eSpd | TPS abort% | root%e2e | equiv
1 | 705.51 9.01 12.52 727.04 | 0.94x 0.93x | 27509 0.0% | 3.0% | PASS
2 | 354.89 9.56 11.41 375.85 | 1.87x 1.79x | 53212 0.0% | 5.6% | PASS
4 | 184.02 9.72 12.37 206.11 | 3.60x 3.26x | 97037 0.1% | 10.7% | PASS
8 | 97.99 8.52 8.31 114.82 | 6.77x 5.86x | 174191 0.1% | 14.7% | PASS
16 | 64.23 8.08 8.51 80.83 | 10.32x 8.32x | 247444 0.3% | 20.5% | PASS
Amdahl: serial tail (commit+root) = 15.33 ms; end-to-end speedup ceiling @16w = 8.27x, @infinite cores = 43.88x
### 10% designed conflict (100 hot accts, 16 contracts)
committed state keys : 18342
sequential exec 669.73 ms | root 2.98 ms | END-TO-END 672.71 ms | root-share 0.4%
sequential end-to-end TPS: 29731
W | exec commit root e2e_ms | execSpd e2eSpd | TPS abort% | root%e2e | equiv
1 | 699.73 5.15 4.77 709.65 | 0.96x 0.95x | 28183 0.0% | 1.4% | PASS
2 | 366.73 5.31 4.38 376.42 | 1.83x 1.79x | 53133 0.1% | 2.6% | PASS
4 | 187.09 5.15 3.88 196.13 | 3.58x 3.43x | 101975 0.3% | 4.6% | PASS
8 | 96.64 5.06 4.29 105.99 | 6.93x 6.35x | 188699 0.7% | 8.8% | PASS
16 | 66.57 4.37 3.20 74.14 | 10.06x 9.07x | 269750 1.2% | 10.2% | PASS
Amdahl: serial tail (commit+root) = 6.68 ms; end-to-end speedup ceiling @16w = 9.64x, @infinite cores = 100.71x
### 50% designed conflict (20 hot accts, 4 contracts)
committed state keys : 9006
sequential exec 698.55 ms | root 1.42 ms | END-TO-END 699.97 ms | root-share 0.2%
sequential end-to-end TPS: 28573
W | exec commit root e2e_ms | execSpd e2eSpd | TPS abort% | root%e2e | equiv
1 | 712.46 2.63 1.96 717.06 | 0.98x 0.98x | 27892 0.0% | 0.6% | PASS
2 | 367.61 2.46 2.01 372.07 | 1.90x 1.88x | 53753 2.1% | 1.2% | PASS
4 | 195.00 2.58 1.98 199.56 | 3.58x 3.51x | 100222 5.7% | 2.3% | PASS
8 | 113.28 2.50 1.72 117.51 | 6.17x 5.96x | 170202 10.7% | 3.6% | PASS
16 | 74.60 2.35 1.59 78.53 | 9.36x 8.91x | 254686 16.6% | 5.0% | PASS
Amdahl: serial tail (commit+root) = 4.15 ms; end-to-end speedup ceiling @16w = 8.73x, @infinite cores = 168.85x
### PATHOLOGICAL ~100% (single hot slot, no parallelism)
committed state keys : 1996
sequential exec 664.35 ms | root 0.30 ms | END-TO-END 664.65 ms | root-share 0.0%
sequential end-to-end TPS: 30091
W | exec commit root e2e_ms | execSpd e2eSpd | TPS abort% | root%e2e | equiv
1 | 682.90 0.06 0.31 683.28 | 0.97x 0.97x | 29271 0.0% | 0.1% | PASS
2 | 378.02 0.04 0.37 378.42 | 1.76x 1.76x | 52851 6.5% | 0.1% | PASS
4 | 213.51 0.04 0.38 213.93 | 3.11x 3.11x | 93488 14.5% | 0.2% | PASS
8 | 133.61 0.04 0.30 133.95 | 4.97x 4.96x | 149314 21.2% | 0.2% | PASS
16 | 135.50 0.04 0.40 135.94 | 4.90x 4.89x | 147125 25.0% | 0.3% | PASS
Amdahl: serial tail (commit+root) = 0.56 ms; end-to-end speedup ceiling @16w = 5.37x, @infinite cores = 1183.26x
=======================================================
SERIAL-EQUIVALENCE: 140 checks, 0 mismatches
RESULT: PASS -- every parallel run committed the exact sequential state + root
=======================================================
HONEST READING:
- execSpd is the EXECUTION-PHASE speedup (comparable to the documented ~9.4x).
- e2eSpd is the END-TO-END block-production speedup. It is LOWER, because the
commit (state materialization) and state-root (keccak) phases are serial and
do not shrink with more workers -- the Amdahl serial tail.
- TPS is the real end-to-end transactions/second of THIS pipeline on THIS box
(shared-vCPU cloud). It is a measured rollup-batch number, NOT the 273k TPS
documented-conditions marketing ceiling and does not reach or imply it.
- Under total conflict (pathological) there is no parallelism; end-to-end can be
<= 1x. That is the correct, honest behavior of Block-STM.