End-to-end I/O portfolio for the summit supercomputing ecosystem. - Sarp Oral; Sudharshan S. Vazhkudai; Feiyi Wang; Christopher Zimmer 001; Christopher Brumgard; Jesse Hanley; George Markomanolis; Ross G. Miller; Dustin Leverman; Scott Atchley; Verónica G. Vergara Larrea (SC, 2019)