hhyndman Karma 235 Created 14 years ago Recent Submissions 1. ▲ Kdb+ time-series database available on-demand; free 64-bit personal edition (kx.com) 67 points · 7 years ago · 1 comment 2. ▲ 1.1B Taxi Rides on Kdb+/q and 4 Xeon Phi CPUs (tech.marksblogg.com) 316 points · 8 years ago · 102 comments All submissions on HN · View profile on HN