Running a Quantum Circuit at the Speed of Data

Details Running a Quantum Circuit at the Speed of Data Running a Quantum Circuit at the Speed of Data

2008-04-30

arxiv.org/abs/0804.4725v1

Physics

Quantum Physics

To appear in 35th International Symposium on Computer Architecture (ISCA '08)

Scientific paper

We analyze circuits for a number of kernels from popular quantum computing applications, characterizing the hardware resources necessary to take ancilla preparation off the critical path. The result is a chip entirely dominated by ancilla generation circuits. To address this issue, we introduce optimized ancilla factories and analyze their structure and physical layout for ion trap technology. We introduce a new quantum computing architecture with highly concentrated data-only regions surrounded by shared ancilla factories. The results are a reduced dependence on costly teleportation, more efficient distribution of generated ancillae and more than five times speedup over previous proposals.

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