Eurohack19 is a hackathon devoted to porting scientific applications to GPUs as well as optimizing existing GPU-enabled codes.
EuroHack19 will take place in Lugano, from September 30 to October 4, 2019. Teams of 2-4 members are invited to propose an application to be ported to or optimized on GPU. Successful teams will be joined by two mentors with extensive GPU programming experience.
Full details including the link for submissions can be found in the official announcement.