TECHNICAL REPORT • IBM TORONTO • FEBRUARY 2026

QPC 128Q Benchmark
Morphogrammatic + Bell Fidelity

QPC scaling validated: 128-qubit morphogrammatic brickwork and Bell fidelity entanglement witness on IBM Toronto

Key Results

128
Qubits
92.2%
Pairs Entangled
81.5%
Avg Bell Fidelity
100%
Unique States
7.2s
Execution Time
64
Pairs Tested

Test 1: Morphogrammatic Brickwork Benchmark

Same QPC morphogrammatic brickwork pattern as 65Q, scaled to 128 qubits on IBM Toronto.

Results

128
Qubits
20
Layers
6,774
Pre-Transpile Gates
16,617
Post-Transpile Gates
514
Transpiled Depth
2,048
Shots
7.22s
Execution Time
100%
Unique States

Job ID: d6d0bffg4t5c7386309g  |  Backend: ibm_toronto

Test 2: Bell Fidelity Entanglement Witness

Physics-standard Bell-state fidelity test across 64 neighbor pairs. F > 0.5 = provably entangled.

Results

59 / 64
Entangled Pairs
92.2%
Pairs with F > 0.5
0.8148
Average Bell Fidelity
2,048
Shots

59 of 64 pairs demonstrated provable entanglement (F > 0.5). Average fidelity 81.5% indicates good-quality Bell states across the 128-qubit layout.

Job ID: d6d0gk154hss73b94gc0  |  Backend: ibm_toronto

Significance

QPC Scaling Validated

These tests demonstrate that QPC architecture scales from 65 to 128 qubits on IBM Toronto: