Accelerating complex control schemes on a heterogeneous MPSoC platform for quantum computing

• URL: http://arxiv.org/abs/2004.07755v1
• Date: Thu, 16 Apr 2020 16:48:28 GMT
• Title: Accelerating complex control schemes on a heterogeneous MPSoC platform for quantum computing
• Authors: Richard Gebauer, Nick Karcher, Jonas Hurst, Marc Weber, Oliver Sander
• Abstract summary: Control and readout of superconducting quantum bits (qubits) require microwave pulses with gigahertz frequencies and nanosecond precision. To generate and analyze these microwave pulses, we developed a versatile FPGA-based electronics platform. We present the architecture of the Taskrunner framework as well as timing benchmarks and discuss applications in the field of quantum computing.
• Score: 1.1744028458220428
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Control and readout of superconducting quantum bits (qubits) require microwave pulses with gigahertz frequencies and nanosecond precision. To generate and analyze these microwave pulses, we developed a versatile FPGA-based electronics platform. While basic functionality is directly handled within the FPGA, guaranteeing highest accuracy on the nanosecond timescale, more complex control schemes render impractical to implement in hardware. To provide deterministic timing and low latency with high flexibility, we developed the Taskrunner framework. It enables the execution of complex control schemes, so-called user tasks, on the real-time processing unit (RPU) of a heterogeneous Multiprocessor System-on-Chip (MPSoC). These user tasks are specified conveniently using standard C language and are compiled automatically by the MPSoC platform when loaded onto the RPU. We present the architecture of the Taskrunner framework as well as timing benchmarks and discuss applications in the field of quantum computing.

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