The first machines were shipped in 1995, and featured a 2.2 ns (450 MHz) clock cycle and two-wide vector pipes, for a peak speed of 1.8 gigaflops per processor; the high clock speed arises from the CPUs being built using ECL logic.
The initial machines were shipped in 1995, with a 2.2 nanosecond (450 MHz) clock cycle and two-wide vector pipelines, achieving a peak performance of 1.8 gigaflops per processor; the high clock speed is attributed to the CPUs being built using ECL logic.