Hi We are currently running Spectrum Scale over FDR Infiniband. We plan on upgrading to EDR since I have not really encountered documentation saying to abandon the lower-latency advantage found in Infiniband. Our workloads generally benefit from lower latency.
It looks like, ignoring GPFS, EDR still has higher throughput and lower latency when compared to 100G RoCEE. http://sc16.supercomputing.org/sc-archive/tech_poster/poster_files/post149s2-file3.pdf However, I wanted to get feedback on how GPFS performs with 100G Ethernet instead of FDR. Thanks very much! Doug Thanks, Douglas Duckworth, MSc, LFCS HPC System Administrator Scientific Computing Unit Physiology and Biophysics Weill Cornell Medicine E: [email protected] O: 212-746-6305 F: 212-746-8690
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