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quantumlib / OpenFermion

The electronic structure package for quantum computers.

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Inconsistencies in the double factorized chemistry resource estimate costing function

fdmalone opened this issue · comments

commented

the costing function computes br for outer prepare and inner prepare differently:

OpenFermion/src/openfermion/resource_estimates/df/compute_cost_df.py

Line 53 in a034397

for p in range(20):

Which would be fine but the br fed into cost two should be using the second (hardcoded value) of 7 to output into qrom for state preparation on the second register.