China Shakes Up ARM Servers
64-core chip leapfrogs competition
8/25/2015 08:00 PM EDT
CUPERTINO, Calif. – A China-based startup described at the annual Hot Chips event here the most aggressive ARM-based server processor to date. In the same session, Oracle described its first Sparc processor with integrated Infiniband.
Little known Phytium Technology Co. Ltd., founded in 2012, described a processor using 64 custom ARMv8 cores that will run at up to 2 GHz at 28nm. It can issue up to four instructions per cycle to hit up to 512 GFlops. The massive chip consumes 120W and fits in a 640mm2 die with about 3,000 pins.
The so-called Mars design surpasses existing high-end ARM-based server chips such as the 48-core ThunderX now sampling from Cavium and a high-end part still in the works at Broadcom. In February EZchip said it will ship a 100-core ARMv8 made in a 28nm process, but it may not ship until 2017.
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