Computing · 2008

Roadrunner

The first computer to sustain one petaFLOPS.

IBM's Roadrunner at Los Alamos combined AMD Opterons with Cell processors to top one quadrillion operations per second. Its hybrid design pointed toward accelerator-based supercomputers.

See it in the living tree Wikipedia

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 2

Multi-core processors 2005
ASCI Red 1996

What it led to 1

Frontier (exascale) 2022

Related measurements

The dashed line marks when it first worked.

Fastest computer in the world Latest: 2.2×10¹⁸ operations per second (2026) Source: Wikipedia: List of fastest computers; Wikipedia: History of supercomputing

Fastest supercomputer Latest: 1.81B GFLOP/s (2025) Source: Our World in Data