We had brilliant graduates coming out of places like the Cambridge computinglaboratory, he said, but that supply could dry up, and we needed a wider hinterland of skilled people.
"One challenge in supercomputers today is power consumption, " said Jeff Nichols, associate laboratory director for computing and computational sciences.
The Oak Ridge Leadership Computing Facility (OLCF) was established at Oak Ridge National Laboratory in 2004 with the mission of providing leadership computing for scientists working on some of the world's most pressing problems.
Luminaries past and present from across the UK's computing industry had gathered to mark the 75th anniversary of the Cambridge University computer laboratory.