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Wednesday
Jul072021

Marvell exploits 5nm CMOS to add Octeon 10 DPU smarts

The Octeon family has come a long way since the networking infrastructure chip was introduced by Cavium Networks in 2005.

Used for data centre switches and routers, the original chip family featured 1 to 16, 64-bit MIPS cores and hardware acceleration units for packet processing and encryption. The devices were implemented using foundry TSMC’s 130nm CMOS process.

Jeffrey Ho

Marvell, which acquired Cavium in 2018, has taped out the first two devices of its latest, seventh-generation Octeon 10 family.

The devices, coined data processing units (DPU), will feature up to 36 state-of-the-art ARM cores, support a 400-gigabit line rate, 1 terabit of switching capacity, and dedicated hardware for machine-learning and vector packet processing (VPP).

Marvell is using TSMC’s latest 5nm CMOS process to cram all these functions on the DPU system-on-chip.

The 5nm-implemented Octeon 10 coupled with the latest ARM cores and improved interconnect fabric will triple data processing performance while halving power consumption compared to the existing Octeon TX2 DPU.

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