1 petaflop. 1 trillion floating-point instructions per second. That's amazing.
It beats the next fastest computer, IBM's Blue Gene, by a factor of 2.
IBM calls Roadrunner a hybrid supercomputer. It combines 12,960 IBM Cell chips, which power Sony's PlayStation3 video game machine, with 6,948 dual-core AMD (NYSE: AMD) Opteron chips, and 80 terabytes of memory. It runs Red Hat Linux.At National Nuclear Security Administration, Roadrunner will likely spend the bulk of its time on weapons research.
At 100 million dollars, I don't expect to see too many of them.