HPC Cluster Blog – Memory Amount Limits
posted on March 21, 2014

Memory amount limits: What’s possible for your system? The appropriate amount of memory for a particular node or server is usually best determined by looking at the number of memory channels available on the system’s motherboard. These channels are communication pathways that run between the memory and the memory controller, a component inside the processor […]

HPC Cluster Blog – HPC in the Cloud
posted on March 13, 2014

Is HPC in the cloud right for you? Over the years, I’ve attended many birds of feather where the topic was whether or not there was a future in moving HPC into the cloud.  There were plenty of vigorous debates for and against, and they tended to go this way: For: The most obvious argument […]

HPC Cluster Blog – New version of eQUEUE available
posted on March 4, 2014

Advanced Clustering Technologies is pleased to announce version 0.9 of eQUEUE. The RPM has been updated in our yum repository, so a simple “yum update equeue” should get the new version. If you don’t get the updated package, a “yum clean all” will clear any cache you have stored locally. If you have any questions […]

HPC Cluster Blog – Xeon Phi
posted on February 24, 2014

Xeon Phi, is it right for you? With Intel’s release of the Xeon Phi back in 2012, there has been a lot of interest, and a lot of misunderstanding of what it is and how it works. The Phi can provide a great performance bump for the right application and use case. To understand if […]

HPC Cluster Blog – Cluster Interconnects
posted on February 20, 2014

Cluster interconnects: the three basic configurations While processor speed, memory amount and number of nodes in your cluster are important, another serious consideration for overall cluster performance is the interconnect. The term “interconnect” refers to the cabling and switches used by the nodes to communicate with each other. While necessary for every cluster, it becomes […]

HPC Cluster Blog – ULLtraDIMMs
posted on February 14, 2014

ULLTraDIMMs, super fast storage When companies work together, good things can happen. This is demonstrated by the collaboration of SMART storage and Diablo Technologies to develop a new line of ultra-low latency storage, the ULLtraDIMM. The ULLtraDIMM’s design connects flash storage to the memory bus by placing flash as close as possible to the CPU using […]

HPC Cluster Blog – Oversubscribing Your Network?
posted on February 6, 2014

To oversubscribe your IB network or not: When deploying an high performance computing cluster with more than 36 nodes that has an InfiniBand network, one of the most important considerations (beyond the bandwidth – QDR vs. FDR) is whether to oversubscribe or not. There are valid reasons for both approaches. Our first option is a […]

HPC Cluster Blog – Heat Density the Challenges of Compact Compute Nodes
posted on January 30, 2014

Heat density: The Challenges of Compact Compute Nodes With the popularity of physically smaller compute nodes like Advanced Clustering’s own Pinnacle Flex system, comes the issue of heat density. While the size of nodes is shrinking, the power draw of these systems is staying about the same, or going up with the addition of accelerators […]

HPC Cluster Blog – Powering Your Cluster
posted on January 24, 2014

Powering Your Cluster One item our customers often overlook when exploring the idea of a cluster purchase is their power requirements. Yet this is one of the most important elements of a cluster purchase, since it can affect cost, rack space and even the physical environment in which the cluster will be housed. For starters, […]

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