Quantum Gate Streaming Pipeline for Continuous Circuit Execution

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Solution Overview

Problem

Existing quantum information processing (QIP) systems executing circuits sequentially block the execution of enqueued customer jobs, spending a significant amount of time in calibration and compilation phases, thereby reducing their availability for other circuits.

Innovation Solution

Implement a pipelined approach for quantum circuit execution at the granularity of individual gates, allowing circuits to be executed simultaneously while others are downloaded, compiled, and calibrated in parallel, using a streaming pipeline architecture that includes error correction and precompiled branching to optimize circuit execution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If circuits are executed sequentially with complete calibration and compilation before execution, then execution accuracy is improved, but system productivity deteriorates due to blocked job queues

Engineering Contradiction:
Improveexecution accuracyVSAvoidsystem throughput
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent segments the circuit execution process into discrete gate-level operations that can be independently processed and executed. Each quantum gate is compiled and calibrated separately, allowing parallel processing of multiple gates from different circuits. This segmentation enables the system to maintain execution accuracy for each gate while dramatically improving overall system throughput by eliminating sequential bottlenecks.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements preliminary action by pre-compiling and pre-calibrating quantum gates before they are needed for circuit execution. The system maintains ready-to-execute gate sequences in a buffer, so when circuits are queued, the gates are already prepared and can be executed immediately without blocking the entire system for full recalibration. This preliminary preparation resolves the contradiction by ensuring accuracy is pre-established while enabling continuous productivity.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If complete calibration and compilation are performed for each circuit before execution, then execution reliability is improved, but loss of time increases due to blocked job queues

Engineering Contradiction:
Improvecircuit execution reliabilityVSAvoidjob queue wait time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The patent implements continuity of useful action by maintaining an always-active quantum processor that executes gates continuously without idle waiting periods. While traditional systems must pause for complete calibration and compilation of each circuit, this system keeps the processor busy executing pre-prepared gates from multiple circuits simultaneously. The job queue wait time is eliminated because the processor never stops executing valid quantum operations, resolving the contradiction between reliability and time loss.

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The system performs preliminary calibration and compilation of quantum gates in advance, storing them in ready-to-execute formats. This preliminary action ensures that when circuits are submitted, the gates are already validated and prepared, eliminating the need for time-consuming on-the-fly calibration while maintaining execution reliability. Multiple pre-prepared gate sequences can be executed back-to-back without interruption.

Inventive Principle:
Principle #10Preliminary action

3Device complexity

If sequential processing of circuit steps is used, then system complexity is reduced, but productivity deteriorates due to inability to execute multiple circuits simultaneously

Engineering Contradiction:
Improvecontrol system complexityVSAvoidcircuit execution rate
Core Design Contradiction:
Device complexityVSProductivity

Solution Approach 1:

The patent segments circuit processing into independent gate-level units that can be handled by standardized processing modules. Each gate is represented as a discrete, uniformly structured data object that can be processed through the same compilation and calibration pipeline. This segmentation allows multiple circuits to be processed simultaneously through parallel instances of the same simple modules, improving productivity without significantly increasing system complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements universality by creating a single, multi-functional gate processing pipeline that can handle any quantum gate from any circuit. The same compilation, calibration, and execution modules serve all circuits simultaneously by processing different gate sequences in parallel. This universal approach eliminates the need for circuit-specific processing paths, maintaining low system complexity while enabling high productivity through parallel execution of multiple circuits.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS12541702B2Maximizing circuit execution duty cycle by streaming gates
Publication Date: 2026.02.03 IONQ INC
  • US12541702B2 patent drawing
  • US12541702B2 patent drawing
  • US12541702B2 patent drawing

AI summary

Systems and methods are described for use in the implementation and/or operation of quantum information processing (QIP) systems, and more particularly, to implementation of streaming gates.