“The CMS detector at the Large Hadron Collider at CERN underwent a replacement of its data acquisition network to be able to process the increased data rate expected in the coming years. We will present the architecture of the system and discuss the design of its layers which are based on Infiniband as well as 10 and 40 GBit/s Ethernet.”
In this video from the 2015 HPC Advisory Council Switzerland Conference, Oded Paz presents: Special Training Session for HPC Systems Managers and Users: EDR InfiniBand, Multicast Operations (setup flow and diagnostic tools), Traffic Load Balancing, InfiniBand Quality Of Service, System Debugging, and open Q&A.
“We introduce a high-performance cost-effective network topology called Slim Fly that approaches the theoretically optimal network diameter. Slim Fly is based on graphs that approximate the solution to the degree-diameter problem. We analyze Slim Fly and compare it to both traditional and state-of-the-art networks. Our analysis shows that Slim Fly has significant advantages over other topologies in latency, bandwidth, resiliency, cost, and power consumption.”
“The Swiss National Supercomputing Centre (CSCS) offers a range of computing and storage services to Swiss and international research communities. These services are provisioned by an array of solutions including leading edge Cray XC40 and hybrid XC30 systems, commodity clusters, files systems such as Lustre and site-wide GPFS storage as well as centre-wide Ethernet and InfiniBand networks.”
“Adaptive Routing has been added to the static routing capability available in previous switch families. InfiniBand supports moving traffic via multiple parallel paths. Adaptive routing dynamically and automatically re-routes traffic to alleviate congested ports. In networks where traffic patterns are more predictable, static routing has been shown to produce superior results. The InfiniScale IV architecture provides the best of both static and adaptive routing.”
Watch to get the latest on the Coral supercomputer coming to ORNL. “ORNL’s supercomputing program has grown from humble beginnings to deliver some of the most powerful systems in the world. On the way, it has helped researchers deliver practical breakthroughs and new scientific knowledge in climate, materials, nuclear science, and a wide range of other disciplines.”