Improving Parameter Optimization in Decoy-State Quantum Key Distribution

Table 2

Comparison of time consumption estimated by a desktop PC with an Intel® Core™ i7-10700F CPU @2.90 GHz and NVIDIA GeForce GT 1030 GPU.

Protocol	Our method (s)	Local search (s)
BB84	0.048∼0.062	0.031∼0.041
RFI	1.0∼1.7	0.5∼0.92
Symmetric MDI-QKD	1.4∼2.1	1.2∼1.6
Asymmetric MDI-QKD	3.1∼4.2	2.8∼3.5