SX Series Systems
Since the SX-4, SX series supercomputers are constructed in a doubly parallel manner. A number of central processing units (CPUs) are arranged into a parallel vector processing node. These nodes are then installed in a regular SMP arrangement.
| SX-2 | SX-3 | SX-4 | SX-5 | SX-6 | SX-7 | SX-8 | SX-8R | SX-9 | |
|---|---|---|---|---|---|---|---|---|---|
| Max. CPUs | 1 | 4 | 32 | 16 | 8 | 32 | 8 | 8 | 16 |
| Peak CPU GFLOPS | 1.3 | 5.5 | 2 | 8 | 8 | 8.83 | 16 | 35.2 | 102.4 |
| Peak system GFLOPS | 1.3 | 22 | 64 | 128 | 64 | 282 | 128 | 281.6 | 1638 |
| Max. main memory | 256 MB | 2 GB | 16 GB | 128 GB | 64 GB | 256 GB | 128 GB | 256 GB | 1 TB |
| System memory B/W (GB/s) | 11 | 44 | 512 | 1,024 | 256 | 1,129 | 512 | 563.2 | 4,096 |
| Memory B/W per CPU (GB/s) | 11 | 22 | 16 | 64 | 32 | 35.3 | 64 | 70.4 | 256 |
| SX-4 | SX-4A | SX-5 | SX-6 | SX-8 | SX-8R | SX-9 | |
|---|---|---|---|---|---|---|---|
| Max. nodes | 16 | 16 | 32 | 128 | 512 | 512 | 512 |
| Max. CPUs | 512 | 256 | 512 | 1,024 | 4,096 | 4,096 | 8,192 |
| Peak TFLOPS | 1 | 0.5 | 4 | 8 | 65 | 140.8 | 839 |
| Max. main memory | 256 GB | 512 GB | 4 TB | 8 TB | 64 TB | 128 TB | 512 TB |
| Total memory B/W (TB/s) | 8 | 4 | 32 | 32 | 131 | 281.6 | 2,048 |
Read more about this topic: NEC SX Architecture
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