← Back to PeopleJLResearcherJohn LangfordResearcherLangford co-authored research on the Dion3 optimizer at Microsoft.1Mentions1Articles1OutletsArticlesMost recent firstMentioned InReferenced in coverageMicrosoft's Dion3 optimizer cuts training step time by 6x over MuonarXivpositiveAug 14, 2026“Langford co-authored research on the Dion3 optimizer at Microsoft.”