ASCI Q Supercomputer Crashed Every 6.5 Hours

Security researcher lauriewired revisits the reliability crisis of ASCI Q, once the world's second-fastest supercomputer at Los Alamos, which crashed every 6.5 hours on average. Neutron beam tests traced the failures to cosmic rays, and a 31-page internal report documented the ordeal.

2026-09-29 ~ 2026-09-29 · 2 related posts

• ASCI Q supercomputer crashed every 6.5 hours until a neutron beam exposed cosmic rays as the culprit — lauriewired · 2026-09-29
• ASCI Q, the world's #2 supercomputer in 2002, crashed every 6.5 hours and took 8 hours to reboot — lauriewired · 2026-09-29