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PERCS (Productive, Easy-to-use, Reliable Computing System) is IBM's answer to DARPA's High Productivity Computing Systems (HPCS) initiative. The program resulted in commercial development and deployment of the Power 775, a supercomputer design with extremely high performance ratios in fabric and memory bandwidth, as well as very high performance density and power efficiency.

IBM officially announced the Power 775 on July 12, 2011 and started to ship systems in August 2011.^[1]

Background

The HPCS program was a three phase research and development effort. IBM was one of three companies, along with Cray and Sun Microsystems, that received the HPCS grant for Phase II. In this phase, IBM collaborated with a consortium of 12 universities and the Los Alamos National Lab to pursue an adaptable computing system with the goal of commercial viability of new chip technology, new computer architecture, operating systems, compiler and programming environments.^[2]

IBM was chosen for Phase III in November 2006, and granted $244 million in funds for continuing development of PERCS technology and delivering prototype systems by 2010.^[3]

Deployment

The first supercomputer using PERCS technology was intended to be the Blue Waters system, however the high costs and complexity of the system resulted in its contract being canceled.^[4]^[5] The machine was subsequently delivered by Cray Inc, using a combination of GPUs and CPUs for processing, and a network with reduced global bandwidth capabilities.

Power775 / PERCS systems were subsequently deployed at roughly two dozen institutions in the U.S. and other countries, in installations ranging from 2,000 to over 64,000 Power7 processing cores. Major deployments have been for network-intensive and memory-intensive applications (as opposed to FLOPS-intensive), such as weather & climate modeling (ECMWF, UKMO, Environment Canada, Japan Meteorological Agency), and scientific research (University of Warsaw, Slovak Academy of Sciences, and several other government laboratories in the U.S., and other countries).

Technology

PERCS will use IBM's large scale technologies from servers and supercomputers like the POWER7 microprocessor, AIX operating system, X10 programming language and General Parallel File System.

Power 775

Sometimes known as the POWER7-IH, the Power 775 is a water cooled rack module, 34 inches wide, 54 inches deep and 3.5 inches (2U) high. Each drawer comprises up to eight nodes (single O/S images) with a MCM with four POWER7 CPUs each, and 16 DDR3 SDRAM slots per MCM for a total of 256 POWER7 cores and 2 TB RAM. Each drawer also has eight optical connect controller Hub chips, connecting neighboring MCMs, PCIe peripherals and other compute nodes. One rack can house up to a dozen Power 775 drawers for a total performance of 94 TFLOPS.^[6]

References

External links

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[1] ttp://www-01.ibm.com/common/ssi/rep_ca/8/897/ENUS111-058/index.html

[2] ttp://www.hpcwire.com/features/17883339.html

[3] ttp://www.eetimes.com/news/latest/showArticle.jhtml;jsessionid=3ZYLXC1ZK5OPMQSNDLSCKHA?articleID=195800001

[4] ttp://www.hpcwire.com/offthewire/Petascale_Project_Blue_Waters_Gets_Green_Light.html

[5] ttp://www.theregister.co.uk/2011/08/08/ibm_kills_blue_waters_super/

[6] IBM 'Blue Waters' super node washes ashore in August

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+Percks Murray-Is a underground rapper from the Allentown Pa area. Originally from a small blue collar town Manville NJ,Percks was moved around throughout his youth which is where he picked up rapping to cope with the stress. Started producing his own music with limewire when he lived with his Dad in Charlotte NC for a year at the age of 12. After becoming homeless due to his fathers addiction o pain killers and other hard drugs he was moved back to Pa with his Mother where he continued to polish his skills. At the age of 18 he was expelled from his high school for selling percasett hence where he got his name. The following year he returned to school where he went to LCTI where he would battle other local rappers. His first realease "Broken Union" was written and recorded his senior year. Although it didn't do much except get him more known on a local level it gave him the confidence and direction to write his second realease "Shitz nd Gigglez" which was realeased on youtube in 2013. The ep did 66,000 views but was deleated due to google not wanting Percks to promote threw an outside company. Instead of reposting the ep and starting with zero views,Percks plans to release his first album for free on youtube with youtube as a promoter. The free project will be called "Broken Gigglez" and is a combination on his first two releases with a few new tracks and is a prequel to his second LP titles "Food and Shelter".