A step towards the final frontier: Lessons learned from acceptance testing of the first HPE/Cray EX 3000 system at ORNL. - Verónica G. Melesse Vergara; Reuben D. Budiardja; Paul Peltz; Jeffery Niles; Christopher Zimmer 001; Daniel Dietz; Christopher Fuson; Hong Liu; Paul Newman 005; James Simmons; Christopher Muzyn (Concurr. Comput. Pract. Exp., 2024)