CSC 456 Spring 2012/11b AB

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Large-Scale Multiprocessors

Manufacturers

There are several different manufacturers of processors and cabinets that can be used in large-scale multiprocessor (LSM) configurations. For example, Fujitsu's K computer (the number one ranked supercomputer on TOP500's November 2011 list) uses a configuration of 88,128 SPARC64 VIIIfx processors. This means it has a total of 705,024 cores at its use<ref name="k computer"/>. Additional examples of processors used in LSMs can be found in Table 1.

Table 1: Processor Manufacturers
Manufacturer Processor Cores Clock Rate Architecture
Fujitsu SPARC64 VIIIfx<ref name="fujitsu proc"/> 8 2.0 GHz SPARC
Intel Xeon 7500<ref name="intel proc"/> 8 1.733-2.667 GHz Nehalem
IBM POWER7<ref name="ibm proc"/> 8 2.4-4.25 GHz Power ISA v.2.06
AMD Opteron 6100<ref name="amd proc"/> 12 1.7-2.4 GHz Direct Connect 2.0

Like processors, different manufacturers offer varying cabinet/server types. For example, IBM's BladeCenter HT includes their CoolBlue technology, a set of tools that allows the user to have greater control over cooling and power use.

Table 2: Cabinet Manufacturers
Manufacturer Cabinet Blade Count
SuperMicro MP Superserver 8064B-TRLF<ref name="supermicro chassis"/> 4
HP Integrity Superdome 2<ref name="hp chassis"/> 32
IBM BladeCenter HT<ref name="ibm chassis"/> 12

Assembling

Network Topology

Coherence

References

<references> <ref name="fujitsu proc">http://en.wikipedia.org/wiki/SPARC64_VIIIfx</ref> <ref name="intel proc">http://en.wikipedia.org/wiki/Xeon#6500.2F7500-series_.22Beckton.22</ref> <ref name="ibm proc">http://en.wikipedia.org/wiki/Power7</ref> <ref name="amd proc">http://en.wikipedia.org/wiki/Opteron#Opteron_.2845_nm_SOI.29</ref> <ref name="supermicro chassis">http://www.supermicro.com/products/system/4U/8046/SYS-8046B-TRLF.cfm</ref> <ref name="hp chassis">http://h20341.www2.hp.com/integrity/us/en/high-end/integrity-high-end-servers-superdome2.html</ref> <ref name="ibm chassis">http://www-03.ibm.com/systems/bladecenter/hardware/chassis/bladeht/index.html</ref> <ref name="k computer">http://top500.org/lists/2011/11/press-release</ref> </references>