https://nhuantranduc.dev/blog All about Data and Artifical Intelligence en-us tranducnhuan@hotmail.com (Steve Tran) tranducnhuan@hotmail.com (Steve Tran) Mon, 30 Mar 2026 00:00:00 GMT https://nhuantranduc.dev/blog/x-algorithm-part-4 https://nhuantranduc.dev/blog/x-algorithm-part-4 How X ranks candidates using a tiny Grok-based transformer with candidate isolation masking — scoring all posts in a single forward pass without them interfering with each other. Mon, 30 Mar 2026 00:00:00 GMT tranducnhuan@hotmail.com (Steve Tran) x-algorithmmachine-learningtransformerrecommendation-system