Quantum-HPC Workflows Across Multiple Quantum Computing Platforms: Two Case Studies
A preprint describes a hybrid quantum-HPC setup connecting the Fugaku supercomputer to Quantinuum's Reimei and IBM's Kobe quantum processors via Tierkreis workflow software. Two demonstrations are reported; the first computes excited states of a biomolecular system, with Fugaku and a Reimei simulator dividing the classical and quantum portions of the calculation.
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What this could mean
- 0–2 yearsPlausible
Within the next two years, this Tierkreis-based setup could let researchers run the same biomolecular excited-state task on actual Reimei and Kobe hardware by swapping backends, enabling direct comparisons of trapped-ion and superconducting resources for chemistry workloads inside existing Fugaku job flows.
The system already integrates both QPU types with Fugaku through a common workflow layer, and the first demonstration shows a simulator can stand in for the quantum backend; moving to hardware mainly requires backend selection and noise-aware compilation, which is incremental engineering rather than a new integration.
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