PCI Express back on track with latest specifications

Richard Solomon and Scott Knowlton are waiting for me in the lobby of a well-known Tel-Aviv hotel overseeing the sunlit Mediterranean Sea.  

Richard SolomonSolomon, vice chair of the PCI Special Interest Group (PCI-SIG), and Knowlton, its marketing working group co-chair, are visiting Israel to deliver a training event addressing the PCI Express (PCIe) high-speed serial bus standard. 

With over 750 member companies, PCI-SIG conducts several training events around the world each year. The locations are chosen where there is a concentration of companies and engineers undertaking PCIe designs. “These are chip, board and systems architects,” says Solomon. 

PCI-SIG has hit its stride after a prolonged quiet period. The group completed the PCIe 4.0 standard in 2017, seven years after it launched PCIe 3.0. The PCIe 4.0 doubles the serial bus speed and with the advent of PCIe 5.0, it will double again.

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FPGAs embrace data centre co-processing role

Part 1: Xilinx's SDAccel development tool

The PCIe accelerator card has a power budget of 25W. Hyper data centres can host hundreds of thousands of servers whereas other industries with more specialist computation requirements use far fewers servers. As such, they can afford a higher power budget per card. Source: Xilinx

Xilinx has developed a software-design environment that simplifies the use of an FPGA as a co-processor alongside the server's x86 instruction set microprocessor.

Dubbed SDAccel, the development environment enables a software engineer to write applications using OpenCL, C or the C++ programming language running on servers in the data centre.   

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