TOKYO NEC, Japan's biggest seller of personal computers, said Wednesday that it had developed the world's fastest supercomputer, with almost double the speed of International Business Machines' fastest machine. . NEC plans to ship 700 SX-8 computers in three years, with a monthly rental fee starting at about ¥1.17 million, or $10,771, the company said. Shipments will start in December. . The computer can make 65 trillion calculations per second, compared with 36 trillion operations for IBM's Blue Gene/L, NEC said. IBM unveiled Blue Gene/L in September. . NEC said it had already received 100 orders for the SX-8. .
