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BlueM Overview

BlueM is a unique high performance computing system from IBM. The overall specifications are:

FeatureValue
Teraflop rating154 teraflops. (Roughly 7xRA)
Memory17.4 terabytes
Nodes656
Cores10,496
Disk480 terabytes

One of the unique characteristics of this machine is its small footprint both in physical size and low energy usage. It will require only 85 kW. The new machine occupies a total of five racks, requiring only 3 compute racks, a management rack, and a file system rack.

The new IBM is also unique in configuration. It contains two independent compute partitions that share a common file system. The combined compute partitions and their file system will be know collectively as BlueM.

The two partitions are built using different architectures. The first partition, known as Mc2 (Energy), runs on an IBM BlueGene Q (BGQ). The second partition, known as Aun (Golden), uses the iDataplex architecture. Each of the architectures is optimized for a particular type of parallel application.

Mc2 (Energy)

Mc2, the IBM BlueGene Q is designed to handle programs that can take advantage of large numbers of compute cores. Also, the BGQ was designed to run applications that use multiple levels of parallelism, such as combining threading and message passing. Multilevel parallelism is expected to be the dominant paradigm in the future of HPC.

Our BGQ contains 512 nodes with each node having 16 cores. It will have 8.192 terabytes of memory and a peak computational rate of 104.9 teraflops. The BGQ rack will be half populated. That is, there will be room for an additional 512 nodes within the same cabinet.

MC2 (Energy) Specifications
Specification
Blue Gene Q
PowerPC A2 17 Core
512 Nodes
8,192 Cores
8,192 Gbytes
104 Tflops
Features
New Architecture
Designed for large core count jobs
Highly scaleable
Multilevel parallelism - Direction of HPC
Room to Grow
Future looking machine

Blue Gene Ported Codes

The processors on the Blue Gene are in a different family than those on RA and Mio and the network is significantly different. Code will need to be recompiled to run on Mc2. We have below two lists of programs and libraries that have been built on other Blue Gene machines. Some of the listed items are from a earlier model of the Blue Gene, the "P". Some listed have been ported but there has not been a high level of optimization performed

Aun (Golden)

Aun, based on the IBM iDataplex platform, is designed to handle applications that may require more memory per core. The nodes employ the x86 Sandy Bridge generation architecture. Each of the 144 nodes will have 64 Gbytes of memory and 16 processors for a total of 2,304 cores and 9.216 terabytes of memory.

Aun will use the same compiler suite as CSM’s current HPC platforms. Many application that are being run on these machines today could run on the new machine without a recompile. However, because of the updated processor instruction set available on the new machine we would expect improved performance with a recompile.

Aun (Golden)
Specification
iDataPlex
Intel 8x2 core SandyBridge
144 Nodes
2,304 Cores
9,216 Gbytes
50Tflops
Feature
Latest Generation Intel Processors
Large Memory / Node
Common architecture
Similar user environment to RA and Mio
Quickly get researchers up and running

Posters and Video describing Resources

Questions

Contact Dr. Timothy Kaiser tkaiser@mines.edu.