Quantum Polycontextural Computing runs as a coherent architectural circuit family on the QPU:
multi-contexture desks, structured bridges, and architecture metrics measured from quantum counts.
That is a different class of quantum computation from hybrid multi-circuit sampling stacks.
This is a comparison at the quantum computation architecture level: how the machine is used.
A named IBM Research paper on one side. A named QPC desk on the other. Cost, organizing, and time sit with the QPC path.
Here · QPC
Coherent polycontextural architecture · ADMET Lead Desk
Desk: ADMET Lead Desk. Stage C2 on ibm_marrakesh, same-day full pass.
Job family: structured coupled and control circuits, multi-contexture bridges on the QPU.
Metric: Marrakesh C2 raw gap 0.185 · retention 0.749 · separable 0.184.
Stack: QPC Noise Reduction Add-on (qpc_resilience + reducer + SAR) on the same path.
Method: Fourier-based LCU decomposes hard unitaries into simpler circuits; classical recombination / scoring; QAOA-class optimization sampling.
Hardware figure: 106-node problem graph on IBM heavy-hex (5×3 + SWAP layers); green = best found sampled solution.
Class: hybrid multi-circuit optimization stack. QPC desks are a different architecture product.
Citation names a published IBM Research path as the hybrid-sampling archetype.
QPC computes on its own metric: raw architecture gaps on named IBM jobs (ADMET junction gap 0.185 on ibm_marrakesh).
Same era of hardware · different quantum computation architecture
What this delivers
Product identity. QPC is an architecture layer for context-rich computation: co-resident logics, one job, one readout.
Measurable claim. Architecture gaps (coupled vs control, junction scoreboard) read from quantum outcomes on raw counts.
Hardware evidence. Locked junction-RYY geometry. Raw junction gap 0.185 on ibm_marrakesh (156 qubits). Fez carries the same desk family.
Cost, organizing, time. One structured architectural job family versus many simplified circuits plus classical recombination. IBM-wired add-on on the same path.
Add-on ecosystem. The Noise Reduction Add-on packages resilience around that coherent path.
Positioning line: QPC delivers coherent polycontextural architecture on real quantum processors:
structured desks, architecture metrics, IBM-ready resilience. That is the architecture-level counterpart to hybrid sampling stacks.