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Faster Fabrics Running Against Limits of the Operating System, the Processor, and the I/O Bus

Christopher Lameter from Jump Trading gave this talk at the OpenFabrics Workshop in Austin. “In 2017 we got 100G fabrics, in 2018 200G fabrics and in 2019 it looks like 400G technology may be seeing a considerable amount of adoption. These bandwidth compete with and sometimes are higher than the internal bus speeds of the servers that are connected using these fabrics. I think we need to consider these developments and work on improving fabrics and the associated APIs so that ways to access these features become possible using vendor neutral APIs. It needs to be possible to code in a portable way and not to a vendor specific one.”