Cindy Rubio Gonzáles recently visited UW PLSE and gave a fantastic lecture on her work—both on Precimonious and on her ICSE'16 paper on blame analysis. I spent some time this weekend reading that paper carefully and thinking about how it relates to my floating-point work. I think blame analysis is related to a key technique that appears in both Herbie and Herbgrind: local error. Local error To identify the operations in a floating-point computation most responsible for error, local error l...