papi-ex lightning talk WeaverVincent JagodeHeike DanalisAnthony DongarraJack 2018 This is a one-page lightning talk slide for the NSF-SI2-SSI project "PAPI-EX: Performance Application Programming Interface for Extreme-scale Environments".<br><br>PAPI is an open-source performance measurement library widely used in the high-performance computing community.<br><br>