| System Information | ||||
| Affiliation: | Tohoku University, Information Synergy Center | URL: | http://www.isc.tohoku.ac.jp/index-e.html | |
| Location: | Japan, Sendai | System Use: | Academic | |
| System Manufacturer: | NEC | System Name: | NEC SX-7 | |
| Interconnect Manufacturer: | NEC | Interconnect Type: | non | |
| Operating System: | SUPER-UX 13.1 | MPI: | MPI/SX 7.0.6 | |
| MPI Wtick: | 0.00000000181 | BLAS: | Mathkeisan 1.3.0 | |
| Language: | C | Compiler: | C++/SX Rev.071 | |
| Compiler Flags: | -Caopt -Orestrict=arg -pi,auto -Popenmp(STREAM) -Caopt -pvctl,vwork=stack -Orestrict=arg -DGM -Pauto(PTRANS,b_eff)-Caopt -pvctl,nodep,vwork=stack -Orestrict=arg -pi,auto -DMPI2 -Pauto -DRA_METHOD='"SS"' (RA) | Processor Type: | NEC SX-7 | |
| Processor Speed: | 0.552 GHz | Total Processors: | 32 | |
| Processors Entered: | 32 | Processors determined: | 32 | |
| Cores per chip: | 1 | HPL Processes: | 2 | |
| MPI Processes: | 2 | Threads Entered: | 16 | |
| Threads determined: | 16 | FLOPs per cycle: | 16 | |
| Theoretical peak: | 0.28256 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| Explain Optimizations: | ||||
| Use Gmem (PTRANS,b_eff) Use FFTE 4.0 vector algorithm (G-FFT) Use unreleased ASL library (SN/EP FFT) Use hypercube algorithm (G-RA) Change loop length to 256 (SN/EP RA) | ||||
| HPL | ||||
| HPL: | 0.17819 Tflop/s | HPL time: | 867.752 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000263531 | |
| HPL Anorm1: | 15510.4 | HPL AnormI: | 17280.1 | |
| HPL Xnorm1: | 64026.2 | HPL XnormI: | 5.54948 | |
| HPL N: | 61440 | HPL NB: | 64 | |
| HPL NProw: | 1 | HPL NPcol: | 2 | |
| HPL depth: | 1 | HPL NBdiv: | 3 | |
| HPL NBmin: | 44 | HPL CPfact: | R | |
| HPL CRfact: | R | HPL CPtop: | 0 | |
| HPL order: | C | |||
| 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: | 0 | |
| dweps: | 1.110223e-16 | sweps: | 0.00000005960464 | |
| PTRANS | ||||
| PTRANS: | 22.0188 GB/s | PTRANS time: | 0.337984 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 30500 | |
| PTRANS NB: | 471 | PTRANS NProw: | 1 | |
| PTRANS NPcol: | 2 | |||
| STREAM | ||||
| S-STREAM Copy: | 552.234 GB/s | S-STREAM Scale: | 546.63 GB/s | |
| S-STREAM Add: | 554 GB/s | S-STREAM Triad: | 553.426 GB/s | |
| EP-STREAM Copy: | 424.261 GB/s | EP-STREAM Scale: | 422.575 GB/s | |
| EP-STREAM Add: | 448.82 GB/s | EP-STREAM Triad: | 452.361 GB/s | |
| STREAM Vector Size: | 629145600 | STREAM Threads: | 16 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.388261 Gup/s | EP-RandomAccess: | 0.386064 Gup/s | |
| G-RandomAccess: | 0.146863 Gup/s | G-RandomAccess N: | 2147483648 | |
| G-RandomAccess time: | 58.4895 seconds | G-RandomAccess Check Time: | 434.07 seconds | |
| G-RandomAccess Errors: | 103986 | G-RandomAccess Errors Fraction: | 0.0000484223 | |
| G-RandomAccess TimeBound: | 0 | G-RandomAccess ExeUpdates: | 8589934592 | |
| RandomAccess N: | 1073741824 | |||
| FFT | ||||
| S-FFT: | 32.4888 GFlop/s | EP-FFT: | 32.4701 GFlop/s | |
| MPIFFT: | 8.00028 GFlop/s | MPIFFT N: | 268435456 | |
| MPIFFT Max Error: | 0.0000000000000023844 | MPIFFT time0: | 0.00000700832 seconds | |
| MPIFFT time1: | 0.412643 seconds | MPIFFT time2: | 1.86323 seconds | |
| MPIFFT time3: | 0.189929 seconds | MPIFFT time4: | 1.59748 seconds | |
| MPIFFT time5: | 0.472742 seconds | MPIFFT time6: | 0.000000296837 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 141.285 GFlop/s | EP-DGEMM: | 140.938 GFlop/s | |
| DGEMM N: | 21722 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 4.83468 usec | RandomRing Bandwidth: | 15.7361 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 4.80881 usec | NaturalRing Bandwidth: | 15.741 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 4.19694 usec | Maximum PingPong Bandwidth: | 16.2186 GB/s | |
| Minimum PingPong Latency: | 4.1535 usec | Minimum PingPong Bandwidth: | 16.2076 GB/s | |
| Average PingPong Latency: | 4.17522 usec | Average PingPong Bandwidth: | 16.2131 GB/s | |
| Size of Data Types | ||||
| char: | 1 byte | short: | 2 bytes | |
| int: | 4 bytes | long: | 8 bytes | |
| void ptr: | 8 bytes | float: | 4 bytes | |
| double: | 8 bytes | size t: | 8 bytes | |
| s64Int: | 8 bytes | u64Int: | 8 bytes | |
| OpenMP | ||||
| M OpenMP: | 200505 | OpenMP Num Threads: | 16 | |
| OpenMP Num Procs: | 32 | OpenMP Max Threads: | 16 | |
| 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: | |||