The software packages and frameworks that will support the demanding scientific applications that run on next-generation exascale computing systems are as important as the hardware. In this Q & A, Computing Science’s Andrew Myers discusses AMReX, a key software ecosystem developed at the Lab. https://cs.lbl.gov/news-media/news/2021/how-amrex-is-influencing-the-exascale-landscape/?ct=t(ITL_13_OCT_2021)&goal=0_6ff696e18a-48d0e8fa5b-213533002