Xiaodong Wang Changhao Yan Fan Yang 0001 Dian Zhou Xuan Zeng 0001 An efficient yield optimization method for analog circuits via gaussian process classification and varying-sigma sampling. 625-630 2022 DAC https://doi.org/10.1145/3489517.3530514 conf/dac/2022 db/conf/dac/dac2022.html#WangYYZZ22