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Supplementary Material for arXiv:1905.06903
Mathematica Python
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Python Update May 17, 2019

Resource-cost estimates for magic state distillation

The Python script and Mathematica notebook can be used to compute the resource costs of the distillation protocols introduced in arXiv:1905.06903.

Note that the numbers in the Python script become unreliable for output errors smaller than ~10^(-13) due to the limit of machine-precision numbers. In principle, it is possible to implement arbitrary-precision arithmetic with complex numbers in Python, but it's a bit of a hassle. This work was originally done in Mathematica, which natively supports arbitrary-precision arithmetic. If you require higher precision, use the Mathematica notebook.

Mathematica notebook

Open distillation.nb and evaluate the cells in the "Results" section. For arbitrary-precision arithmetic, make sure that the physical error rate is expressed as an arbitrary-precision number (like 10^(-4)) and not a machine-precision number (like 0.0001). The computation for 20-to-4 protocols with arbitrary precision can be a bit slow.

Python 3 script

You can use to compute resource costs of distillation protocols. The protocols are defined in the auxiliary files: - defines Pauli rotations, faulty rotations, initial and final states - resource-cost computation for the 15-to-1 protocol - resource-cost computation for the (15-to-1)x(15-to-1) protocol - resource-cost computation for the (15-to-1)x(20-to-4) protocol - resource-cost computation for the (15-to-1)x(8-to-CCZ) protocol - resource-cost computation for small-footprint protocol

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