Roadrunner was... special... in that regard, requiring even more effort and bizarreness than the typical HPC GPU setup. I remember that the pre-install plan for

Roadrunner was... special... in that regard, requiring even more effort and bizarreness than the typical HPC GPU setup. I remember that the pre-install plan for Roadrunner Linpack was a 50 page document. Also, it's worth noting that GPU HPC computing was already in full swing around the same time: CUDA was first released in June, 2007, which is the same time that Roadrunner released its first Top500 entry.