NVLink

IBM Adds POWER9 AIO, Pushes for an Open Memory-Agnostic Interface

November 3, 2019May 25, 2021 David Schor Centaur (buffer chip), Hot Chips 31, IBM, NVLink, Open Memory Interface (OMI), open source, OpenCAPI, Power ISA, POWER9

IBM adds a third variant of POWER9, the POWER9 Advanced I/O (AIO) processor which incorporates the Open Memory Interface (OMI), a new open memory-agnostic interface.

Architectures Floorplanning Hot Chips 30 Interconnects Server Processors

POWER9 Scales Up To 1.2 TB/s of I/O, Targets NVLink 3, OpenCAPI Memory for 2019

October 7, 2018May 25, 2021 David Schor 14 nm, 14HP, A-Bus, Centaur, Hot Chips, Hot Chips 30, IBM, NVLink, OpenCAPI, POWER, Power ISA, POWER9, PowerAXON, X-Bus

A look at the IBM POWER9 scale-up design recently disclosed at Hot Chips 30 and their plans for a 3rd POWER9 derivative for 2019.

Architectures Floorplanning Hot Chips 30

Hot Chips 30: Nvidia Xavier SoC

September 8, 2018May 25, 2021 David Schor 12FFN, 12nm, AI, ARM, ARMv8, inference, neural processors, Nvidia, NVLink, Tegra, Xavier

An overview of the Xavier SoC which was detailed by Nvidia at Hot Chips 30.

Supercomputers

ORNL’s 200-petaFLOPS Summit Supercomputer Has Arrived, To Become World’s Fastest

June 16, 2018May 25, 2021 David Schor DoE, IBM, Nvidia, NVLink, ORNL, PCIe 4.0, POWER, Power ISA, Supercomputer

A look at the 200-petaFLOPS Summit supercomputer which was officially unveiled last Friday by Oak Ridge National Laboratory (ORNL).

Architectures Circuit Design Conferences Floorplanning Graphics Processors

A look at Nvidia’s NVLink interconnect and the NVSwitch

May 6, 2018May 25, 2021 David Schor 12FFN, 12nm, AI, DGX-1, DGX-2, GPU, Interconnect, Nvidia, NVLink, NVSwitch, Pascal, Volta

A look at Nvidia’s NVLink interconnect and the 2-billion transistor NVSwitch that is powering Nvidia’s latest DGX-2 deep learning machine.