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Personal Supercomputers: Past, Present and Future
HUO Zhigang (霍志刚) Institute of Computing Technology, Chinese Academy of Sciences Oct 28, 2012
Outline ▍ Disclaimer
Notice ▍ Motivations behind pHPC ▍ What constitutes a pHPC? ▍ pHPC development in China ▍ Where are we? ▍ Future challenges ▍ Some references
Survey of the Practice of Computational Science
The Facts ▍ The
Deadline Rush Phenomenon
Law reads, Work expands to fill the time available for its completion. ▎ No one likes queuing.
is the King ▎ Data movement challenges ▎ Infrastructure demands.
The Economy for buyers “The new SGI system joins a $2 billion worldwide market of high-performance computing (HPC) systems that cost less than $100,000. That market is expected to grow to $2.7 billion by 2013, or nearly 6% annually, which is a good rate considering that server sales generally cratered this year.” Steve Conway, IDC , 2009 Segment Workgroup
CAGR (2012~2016) 11.9%
Total HPC Market
The Economy for builders ▍ Constraints
in building high-end HPCs
of a kind, literally. ▎ Too many uncertainties. Many are uncontrollable by architects and engineers.
▍ pHPC: ▎ Fixed
Incubator for the next big thing
budget HPC construction and comparison (Prof. Qian Depei)
What constitutes a pHPC? ▍ High
performance ▎At least 10 times of high-end PC ▍ High reliability ▍ Low cost ▍ Low power consumption ▎2~3KW ▍ Low Noise ▎< 70dB ▍ Desktop/Deskside footprint ▍ User friendly (Programming/Management/Use)
pHPC development in China ▍ The
roadmap set in 2007
deliver 1TFLOPS in three stages to desktop Footprint Price Power consumption
▍ Characteristics ▎Emphasis
on new architecture/hardware ▎Emphasis on home-grown technologies
The Software ▍ The
"dusty deck" syndrome
▎ Inertia is
a two-edged sword ▎ Software is #1 headache: It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness… ▎ Thinking outside of the box ▍ The
most common practices
▎ Preinstalled OS
and system manager: identical to a cluster ▎ Taking advantage of cloud computing infrastructure ▎ Single system image: revitalized
Where are we? ▍ Benchmarking
▎ LINPACK/GRAPH500/Green500? ▎ PHPC
Top100 (www.phpc100.org in construction)
of Usage Benchmarking
most desired progress in this field ▎ 10 novice grads/groups, 10 selected applications ▎ A good HPC outreach and user training program! ▏ Call
Future challenges ▍ Economic
issues will play a key role
bear commercialization in mind. ▎ Competition: The ultimate way to realize “low cost” ▍ Technology ▎ HW:
Understood well enough?
MIC/Xeon Phi ▏ ARM: It depends on SW
a difference ▏Open to live: OSS will continue to dominate, but… ▏All-in-one/Specialized system will seize market shares
Some references 1. 2. 3. 4. 5.
Earl Joseph, Steve Conway, et al. IDC HPC Market Update, June 2012. 陈国良，蔡晔，罗秋明. 国产个人高性能计算机系统研制，深圳大学学报理工 版，vol.18, no.6, 2011. Prakash Prabhu, et al. A survey of the practice of computational science. In State of the Practice Reports, SC’11. 孙凝晖. 个人高性能计算机. 中国计算机学会通讯，vol.2, no.1, 2006. http://mediasrc.zenoss.com/documents/The_State_of_Open_Cloud_2012_infograp hic_Zenoss.pdf