That is only a 37.6 percent computation efficiency, which is raising our eyebrows a bit, but the machine only used 31.3 kilowatts and thus delivers 65.1 gigaflops per watt. The Henri nodes are linked by 200 Gb/sec HDR InfiniBand from Nvidia, and the machine has a total of 5,920 CPUs and SMs and a peak performance of 5.42 petaflops and a sustained performance of 2.04 petaflops. The Henri machine is built by Lenovo using its ThinkSystem SR670 V2 servers with a pair of 32-core Ice Lake Xeon SP-8362 Platinum processors and a quad of H100 GPUs with 80 GB of HBM3 memory. There is a single machine using Nvidia’s “Hopper” H100 GPUs, and that is the “Henri” system at the Flatiron Institute in New York City. There are 179 supercomputers on the Top500 list that use one or another form of accelerator to do the bulk of their calculations, and of these, there are 84 machines that use Nvidia’s “Volta” V100 GPUs, 64 that use Nvidia’s “Ampere” A100 GPUs. The Next Platform ☛ Testing The Mettle Of The Top Supercomputing Iron On Earth.Productivity Software/LibreOffice/Calligra.

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