| System Information | ||||
| Affiliation: | RDCPS | URL: | www.rdcps.ac.cn | |
| Location: | China, Beijing | System Use: | Academic | |
| System Manufacturer: | IBM | System Name: | JS21 | |
| Interconnect Manufacturer: | Voltaire | Interconnect Type: | InfiniBand | |
| Operating System: | Redhat Linux Enterprise Edition | MPI: | MPICH2.1 | |
| MPI Wtick: | 0.000001 | BLAS: | GoToBlas 1.4 | |
| Language: | C | Compiler: | gcc 3.4 | |
| Compiler Flags: | -O3 | Processor Type: | IBM Power4+ | |
| Processor Speed: | 2.5 GHz | Total Processors: | 16 | |
| Processors Entered: | 16 | Processors determined: | 32 | |
| Cores per chip: | 2 | HPL Processes: | 32 | |
| MPI Processes: | 32 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 4 | |
| Theoretical peak: | 0.32 TFlop/s | Total memory: | 32 GiB | |
| FFT library: | FFTW 3.0 | |||
| HPL | ||||
| HPL: | 0.17181 Tflop/s | HPL time: | 838.166 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 2.95895e-283 | |
| HPL Anorm1: | 0 | HPL AnormI: | 0 | |
| HPL Xnorm1: | 0 | HPL XnormI: | 0 | |
| HPL N: | 60000 | HPL NB: | 192 | |
| HPL NProw: | 4 | HPL NPcol: | 8 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 4 | HPL CPfact: | C | |
| HPL CRfact: | C | HPL CPtop: | 3 | |
| HPL order: | R | |||
| HPL dMach EPS: | 1.110223e-16 | HPL sMach EPS: | 0.00000005960464 | |
| HPL dMach sfMin: | 0 | HPL sMach sfMin: | 1.175494e-38 | |
| HPL dMach Base: | 2 | HPL sMach Base: | 2 | |
| HPL dMach Prec: | 2.220446e-16 | HPL sMach Prec: | 0.0000001192093 | |
| HPL dMach mLen: | 53 | HPL sMach mLen: | 24 | |
| HPL dMach Rnd: | 1 | HPL sMach Rnd: | 1 | |
| HPL dMach eMin: | -1021 | HPL sMach eMin: | -125 | |
| HPL dMach rMin: | 0 | HPL sMach rMin: | 1.175494e-38 | |
| HPL dMach eMax: | 1024 | HPL sMach eMax: | 128 | |
| HPL dMach rMax: | 1.797693e308 | HPL sMach rMax: | 3.402823e38 | |
| dweps: | 1.110223e-16 | sweps: | 0.00000005960464 | |
| PTRANS | ||||
| PTRANS: | 0.622019 GB/s | PTRANS time: | 11.5752 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 30000 | |
| PTRANS NB: | 192 | PTRANS NProw: | 4 | |
| PTRANS NPcol: | 8 | |||
| STREAM | ||||
| S-STREAM Copy: | 2.8721 GB/s | S-STREAM Scale: | 2.80916 GB/s | |
| S-STREAM Add: | 3.10366 GB/s | S-STREAM Triad: | 3.09543 GB/s | |
| EP-STREAM Copy: | 1.03835 GB/s | EP-STREAM Scale: | 1.03004 GB/s | |
| EP-STREAM Add: | 1.16748 GB/s | EP-STREAM Triad: | 1.22321 GB/s | |
| STREAM Vector Size: | 37500000 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.00357259 Gup/s | EP-RandomAccess: | 0.0027085 Gup/s | |
| G-RandomAccess: | 0.00286939 Gup/s | G-RandomAccess N: | 2147483648 | |
| G-RandomAccess time: | 60.0942 seconds | G-RandomAccess Check Time: | 75.8413 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 209.542 | G-RandomAccess ExeUpdates: | 172434112 | |
| RandomAccess N: | 67108864 | |||
| FFT | ||||
| S-FFT: | 0.534412 GFlop/s | EP-FFT: | 0.28968 GFlop/s | |
| MPIFFT: | 1.0679 GFlop/s | MPIFFT N: | 268435456 | |
| MPIFFT Max Error: | 0.00000000000000194547 | MPIFFT time0: | 0.00000309944 seconds | |
| MPIFFT time1: | 9.35744 seconds | MPIFFT time2: | 1.69185 seconds | |
| MPIFFT time3: | 8.82156 seconds | MPIFFT time4: | 5.65723 seconds | |
| MPIFFT time5: | 9.49718 seconds | MPIFFT time6: | 0.00000214577 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 8.40834 GFlop/s | EP-DGEMM: | 8.12141 GFlop/s | |
| DGEMM N: | 5303 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 77.4526 usec | RandomRing Bandwidth: | 0.0111199 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 83.0173 usec | NaturalRing Bandwidth: | 0.0128729 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 84.132 usec | Maximum PingPong Bandwidth: | 0.706201 GB/s | |
| Minimum PingPong Latency: | 29.996 usec | Minimum PingPong Bandwidth: | 0.115754 GB/s | |
| Average PingPong Latency: | 69.1086 usec | Average PingPong Bandwidth: | 0.19591 GB/s | |
| Size of Data Types | ||||
| char: | 1 byte | short: | 2 bytes | |
| int: | 4 bytes | long: | 4 bytes | |
| void ptr: | 4 bytes | float: | 4 bytes | |
| double: | 8 bytes | size t: | 4 bytes | |
| s64Int: | 8 bytes | u64Int: | 8 bytes | |
| OpenMP | ||||
| M OpenMP: | -1 | OpenMP Num Threads: | 0 | |
| OpenMP Num Procs: | 0 | OpenMP Max Threads: | 0 | |
| Memory | ||||
| MemProc: | -1 | MemSpec: | -1 | |
| MemVal: | -1 | |||
| CPS | ||||
| CPS_HPCC_FFT_235: | CPS_HPCC_FFTW_ESTIMATE: | |||
| CPS_HPCC_MEMALLCTR: | CPS_HPL_USE_GETPROCESSTIMES: | |||
| CPS_RA_SANDIA_NOPT: | CPS_RA_SANDIA_OPT2: | |||