Comments on: HPE Slingshot Makes The GPUs Do Control Plane Compute https://www.nextplatform.com/2022/08/15/hpe-slingshot-makes-the-gpus-do-control-plane-compute/ In-depth coverage of high-end computing at large enterprises, supercomputing centers, hyperscale data centers, and public clouds. Wed, 17 Aug 2022 18:40:17 +0000 hourly 1 https://wordpress.org/?v=6.7.1 By: Bryan https://www.nextplatform.com/2022/08/15/hpe-slingshot-makes-the-gpus-do-control-plane-compute/#comment-195965 Wed, 17 Aug 2022 18:40:17 +0000 https://www.nextplatform.com/?p=141029#comment-195965 Interesting development.

Side note – the word “leap” made me think improvement, but the graph shows an increase in timings (decrease in performance) over the baseline for the 8×8 case.

]]> By: Timothy Prickett Morgan https://www.nextplatform.com/2022/08/15/hpe-slingshot-makes-the-gpus-do-control-plane-compute/#comment-195961 Wed, 17 Aug 2022 16:31:23 +0000 https://www.nextplatform.com/?p=141029#comment-195961 In reply to Jim Cownie.

OK, fair enough. But were these mainstream?

]]> By: Jim Cownie https://www.nextplatform.com/2022/08/15/hpe-slingshot-makes-the-gpus-do-control-plane-compute/#comment-195881 Tue, 16 Aug 2022 08:12:43 +0000 https://www.nextplatform.com/?p=141029#comment-195881 “MPI data movement is done through Remote Direct Memory Access methods, pioneered with InfiniBand adapters decades ago,”

Hmmm… Meiko delivered RDMA in the CS-2 machines in 1994, so at least five years before Infiniband. The “Elan” network interface supported secure remote direct memory access which didn’t require a system call to be made, or that pages were locked down.
One of the people who worked at Meiko on that design is now a senior architect for HPE working on their interconnects 🙂

(See Meiko CS-2 interconnect Elan-Elite design
by Jon Beecroft, Mark Homewood, and MorayMcLaren https://doi.org/10.1016/0167-8191(94)90061-2
or this machine at LLNL: https://www.top500.org/system/167126/ )

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