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Circuit Bench

Decoder version

Union-Find Sprint v0.1

Published

General description

Synthetic fast union-find decoder for interface development.

What changed in this version

Synthetic first revision.

Preparation and output capabilities

Circuit-skeleton preparation
Not required (<10 s on first uncached exposure)
Circuit-prior preparation
Not required (<10 s on first uncached exposure)
Soft output
Provides per-shot failure probability q in [0, 1]

Hyperparameters

Synthetic free-text hyperparameters for UI development.

No machine-readable hyperparameter schema was supplied.

Record history 3 events · revisions and publication decisions
  1. Submitted Ada Decoder Submission event synthesised during history migration. Union-Find Sprint 0.1
    Event details
    Sequence
    1

    Structured details

    {
  "migration_inferred": true,
  "projected_state": "published"
}

    Canonical submitted snapshot

    {
  "data": {
    "migration_inferred": true,
    "record_id": "09a48c20-040e-5bdf-b265-453c28fe0417",
    "schema_release_id": "f015bc80-d4ee-52d0-97b6-a380dcd2e1aa"
  },
  "schema": {
    "record_type": "decoder",
    "version": "0.1"
  }
}
  2. Approved System (migration_backfill) Historical approval actor was not recorded. Union-Find Sprint 0.1
    Event details
    Sequence
    2

    Structured details

    {
  "approval_route": "legacy_unknown",
  "migration_inferred": true
}
  3. Published System (migration_backfill) Publication event synthesised from the lifecycle projection. Union-Find Sprint 0.1
    Event details
    Sequence
    3
    Caused by
    Event 2

    Structured details

    {
  "migration_inferred": true
}

Results for this decoder version

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The current population contains 8 published results. Its filters, query, plot, and sort describe the same population.

Show plotter Hide plotter 8 /8 points
LER upper 95% @ 5% acceptance against t₁₀₀₀ 8 of 8 results plotted.
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Scatter plot of LER upper 95% @ 5% acceptance against t₁₀₀₀; x is linear and y is linear. Points retain the caller's result order. Stored intervals are displayed as bars. 8 of 8 results have plottable axis values. 5 · 106 1 · 107 1.5 · 107 2 · 107 2.5 · 107 0.1 0.2 0.3 t₁₀₀₀ ns · linear LER upper 95% @ 5% acceptance probability · linear
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x-axis
t_1000_ns — t₁₀₀₀ (ns), linear scale, lower is better. Definition
y-axis
score_ler_upper_95_at_5pct_acceptance_v0_1 — LER upper 95% @ 5% acceptance (probability), linear scale, lower is better. Definition
uncertainty
Whisker bars. 0 x-axis and 8 y-axis stored intervals are available in this plotted population. Only complete lower/upper intervals stored under the selected score definition are drawn; Circuit Bench does not infer missing errors.
Plot data
Tabular data for this plot (8 rows)
LER upper 95% @ 5% acceptance against t₁₀₀₀; omitted points are reported above.
Record Result UUID t₁₀₀₀ (ns) LER upper 95% @ 5% acceptance (probability)
Bivariate bicycle 144 memory da85d6df-f6a9-5fb6-b3a4-0f988cea68db 0.218 probability
Planar stability experiment d=5 9681485c-751f-5445-af8d-51d04543c1b4 0.184 probability
Rotated surface-code memory d=3 33a4ec85-ef2b-504a-be59-99d8c10a7ad4 0.322 probability
Rotated surface-code memory d=5 6d190104-5625-561d-9ad8-b9d959523c7d 0.23 probability
Rotated surface-code memory d=7 fd11af5f-d764-5735-89fd-815def0ff127 0.138 probability
Rotated surface-code memory d=9 0ab76686-cdfe-5f8e-88c6-77401fbb0e89
Surface-code logical CNOT d=3 602fbb75-b0e4-5720-ae38-fa0e84bd443c 0.368 probability
Triangular colour-code memory d=5 e122ea43-8a3e-5cea-9acd-798d6dd1cca5 0.276 probability
8 records Sort: Circuit ascending

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Visible columns
Circuit 1↑ Noise model Machine type Machine Shots LER upper 95% @ 5% t₁₀₀₀ (ns) Evaluator scores Reproduction Published
Bivariate bicycle 144 memoryRandomised phenomenological noiseCPUdemo-eight-core-cpu160,000 0.218 probability Brier loss upper 95% bound: 2.985 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.2185 probabilityIndependent reproduction31 Aug 2026, 1:02 a.m.
Planar stability experiment d=5Fixed phenomenological noiseCPUdemo-eight-core-cpu140,000 0.184 probability Brier loss upper 95% bound: 2.64 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.184 probabilityIndependent reproduction31 Aug 2026, 1 a.m.
Rotated surface-code memory d=3Fixed phenomenological noiseCPUdemo-eight-core-cpu110,000 0.322 probability Brier loss upper 95% bound: 4.02 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.322 probabilityIndependent reproduction31 Aug 2026, 12:57 a.m.
Rotated surface-code memory d=5Fixed phenomenological noiseCPUdemo-eight-core-cpu100,000 0.23 probability Brier loss upper 95% bound: 3.1 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.23 probabilityIndependent reproduction31 Aug 2026, 12:56 a.m.
Rotated surface-code memory d=7Randomised phenomenological noiseCPUdemo-eight-core-cpu120,000 0.138 probability Brier loss upper 95% bound: 2.18 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.138 probabilityIndependent reproduction31 Aug 2026, 12:58 a.m.
Rotated surface-code memory d=9Randomised phenomenological noiseCPUdemo-eight-core-cpu130,000 Brier loss upper 95% bound: 1.662 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 8.625 · 10⁻² probabilityIndependent reproduction31 Aug 2026, 12:59 a.m.
Surface-code logical CNOT d=3Fixed phenomenological noiseCPUdemo-eight-core-cpu170,000 0.368 probability Brier loss upper 95% bound: 4.48 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.368 probabilityIndependent reproduction31 Aug 2026, 1:03 a.m.
Triangular colour-code memory d=5Fixed phenomenological noiseCPUdemo-eight-core-cpu150,000 0.276 probability Brier loss upper 95% bound: 3.56 · 10⁻² probability; LER upper 95% bound at 5% acceptance: 0.276 probabilityIndependent reproduction31 Aug 2026, 1:01 a.m.