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NEC SX-ACE HW: Difference between revisions
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=== Hardware === | === Hardware === | ||
* 64 SX-ACE nodes with a single | * 64 SX-ACE nodes with a single vector processor | ||
** 4 cores | ** 4 cores for 256GFlops peak performance | ||
** 1 GHz frequency | ** 1 GHz frequency | ||
** 16 vectore pipes, each doing 2 add and 2 multiply per cycle for a peak performance of 64 GFlops per core | ** 16 vectore pipes per core, each doing 2 add and 2 multiply per cycle for a peak performance of 64 GFlops per core | ||
** 8 vector registers, 64 vector data registers | |||
** 1MB ADB (vector cache) per core, enhanced in size, speed and functionality from SX-9 | |||
** 64 GB of memory per node | ** 64 GB of memory per node | ||
** 32 memory channels for 256GB/s bandwidth | ** 32 memory channels for 256GB/s bandwidth, usuable by one core or sharable | ||
** around 260 Watt power consumption per node during Linpack | ** around 260 Watt power consumption per node during Linpack | ||
** nodes are connected through IXS crossbar for message passing with 4GB/s per node | |||
** SUPER-UX Unix based OS | |||
** NQSII batch system | |||
** [http://de.nec.com/de_DE/en/documents/SX-ACE-brochure.pdf NEC SX-ACE brochure] | |||
* Frontend for Cross Compilation | |||
** Dual socket NEC Express5800/R120e-1M with 2x Intel E5-2697 v2 @ 2.70GHz, running Redhat Linux | |||
* Filesystem | |||
** 250TB NEC ScaTeFS (scalable technology filesystem) | |||
** 2 servers (shared object and metadata servers) | |||
** 4 NEC iStorage M300 raid arrays with 3TB spindles | |||
* Network | |||
** NEC proprietary highspeed network using IXS crossbar for message passing between nodes | |||
** 4GB/s theoretical MPI bandwidth per node (single lane configuration) | |||
** 40G Juniper QFabric network for 10G ethernet connection of filesystem using QOS to separate metadata and data traffic | |||
Latest revision as of 17:37, 23 February 2015
Hardware
- 64 SX-ACE nodes with a single vector processor
- 4 cores for 256GFlops peak performance
- 1 GHz frequency
- 16 vectore pipes per core, each doing 2 add and 2 multiply per cycle for a peak performance of 64 GFlops per core
- 8 vector registers, 64 vector data registers
- 1MB ADB (vector cache) per core, enhanced in size, speed and functionality from SX-9
- 64 GB of memory per node
- 32 memory channels for 256GB/s bandwidth, usuable by one core or sharable
- around 260 Watt power consumption per node during Linpack
- nodes are connected through IXS crossbar for message passing with 4GB/s per node
- SUPER-UX Unix based OS
- NQSII batch system
- NEC SX-ACE brochure
- Frontend for Cross Compilation
- Dual socket NEC Express5800/R120e-1M with 2x Intel E5-2697 v2 @ 2.70GHz, running Redhat Linux
- Filesystem
- 250TB NEC ScaTeFS (scalable technology filesystem)
- 2 servers (shared object and metadata servers)
- 4 NEC iStorage M300 raid arrays with 3TB spindles
- Network
- NEC proprietary highspeed network using IXS crossbar for message passing between nodes
- 4GB/s theoretical MPI bandwidth per node (single lane configuration)
- 40G Juniper QFabric network for 10G ethernet connection of filesystem using QOS to separate metadata and data traffic