地球シミュレータ
The Earth Simulator (ES for short) was developed as a national project by three governmental agencies: the National Space Development Agency of Japan (NASDA), the Japan Atomic Energy Research Institute (JAERI), and the Japan Marine Science and Technology Center (JAMSTEC). The ES is housed in the Earth Simulator Building (approx; 50m × 65m × 17m). The Earth Simulator 2 (ES2) uses 160 nodes of NEC's SX-9E. The upgrade of the Earth Simulator has been completed in March 2015. The Earth Simulator 3(ES3) system uses 5120 nodes of NEC's SX-ACE.