案例研究

National Laboratory Delivers Supercomputing Performance using Fusion ioMemory Solutions

Lawrence Livermore National Laboratory (LLNL) knew it had a daunting task providing the Data Intensive Testbed for the National Nuclear Security Administration's Advanced Simulation and Computing program's Hyperion Project. It would need to deliver supercomputing performance, while at the same time reducing power consumption to meet new energy initiatives. Enter SanDisk.

“This new technology will allow us to meet the performance requirements critical to fulfilling our national security missions well into the future, while dramatically reducing power consumption and satisfying new energy conservation initiatives.”

Mark Seager,
Head of Advanced Computing Technology, Lawrence Livermore National Laboratory

The Challenge

Lawrence Livermore National Laboratory (LLNL) knew it had a daunting task providing the Data Intensive Testbed for the National Nuclear Security Administration’s Advanced Simulation and Computing program’s Hyperion Project. It would need to deliver supercomputing performance, while at the same time reducing power consumption to meet new energy initiatives. Enter SanDisk®.

 

The Solution

LLNL used SanDisk’s Fusion ioMemory system to create a high-performance storage array. Using Fusion ioMemory ioSAN® cards and Fusion ioMemory ioDrive® Duo cards, the cluster achieves more than an unprecedented 52,000,000 IOPS and 400GB/s aggregate bandwidth.

Incredibly, Fusion ioMemory products allowed LLNL to accomplish this feat in just two racks of appliances—something that would take a comparable hard disk-based solution over 54 racks. In fact, it would take over 100 of the SPC-1 benchmark’s leading all-flash systems combined to match the performance, at a cost of over $300 million.

Bandwidth per Rack Unit (Density)

With SanDisk
4.75 GB/s
Without SanDisk
176 MB/s
26.9x
Improvement
Bandwidth increased from 176MB/s per server to 4.75GB/s = 26.9x improvement

IOPS per Rack Unit (Density)

With SanDisk
650,000 IOPS
Without SanDisk
5,952 IOPS
109x
Improvement
IOPS increased from 5,952 per server to 650,000 = 109x improvement

Access Latency

With SanDisk
86 microseconds
Without SanDisk
4,000 microseconds
46.5x
Improvement
Latency reduced from 4 milliseconds to 86 microseconds = 46.5x improvement

System Before

  • 320 nodes
  • 22400 hard disks
  • 80 storage area network controllers
  • 54 racks
  • 640 DDR In niBandTM links

System After

  • 80 nodes
  • 160 320GB ioDrive Duo cards
  • 160 320GB ioSAN cards
  • 2 racks
  • 160 QDR In niBandTM links
  • 160 10GbE links

About Lawrence Livermore National Laboratories

As a premier national security laboratory, Lawrence Livermore’s mission is to advance and apply science and technology to:

  • Ensure the safety, security, and reliability of the U.S. nuclear deterrent
  • Reduce or counter threats to national and global security
  • Enhance the energy and environmental security of the nation
  • Strengthen the nation’s economic competitiveness

At LLNL, teams of physicists, chemists, biologists, engineers and other researchers work together to achieve technical innovations and scientific breakthroughs and transform these advances into solutions for nationally important problems.

We continually push the frontiers of knowledge to build the scientific and technological foundation that will be needed to address the national security issues of the future.

 

About the Hyperion Data Intensive Testbed

Lawrence Livermore National Laboratories created the testbed for the National Nuclear Security Administration’s Advanced Simulation and Computing program’s Hyperion initiative, a project designed to accelerate the development of the high- performance computing capabilities needed to ensure the safety, security and reliability of the nation’s aging nuclear deterrent without underground testing.

 

About the National Nuclear Security Administration

NNSA is responsible for the management and security of the nation’s nuclear weapons, nuclear nonproliferation, and naval reactor programs. It also responds to nuclear and radiological emergencies in the United States and abroad. Additionally, NNSA federal agents provide safe and secure transportation of nuclear weapons and components and special nuclear materials along with other missions supporting the national security.

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