| 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(STREAM)-Caopt -pvctl,vwork=stack -Orestrict=arg -DGM (PTRANS,b_eff) -Caopt -pvctl,nodep,vwork=stack -Orestrict=arg -pi,auto(FFT,HPL)-Caopt -pvctl,nodep,vwork=stack -Orestrict=arg -pi,auto -DMPI2 -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: | 32 | |
| MPI Processes: | 32 | Threads Entered: | 1 | |
| Threads determined: | 1 | 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: | 0.263954 Tflop/s | HPL time: | 5425.01 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.000000055312 | |
| HPL Anorm1: | 32460.3 | HPL AnormI: | 34272.8 | |
| HPL Xnorm1: | 1932920 | HPL XnormI: | 90.4423 | |
| HPL N: | 129024 | HPL NB: | 64 | |
| HPL NProw: | 1 | HPL NPcol: | 32 | |
| 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: | 36.1711 GB/s | PTRANS time: | 0.92047 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 64512 | |
| PTRANS NB: | 225 | PTRANS NProw: | 1 | |
| PTRANS NPcol: | 32 | |||
| STREAM | ||||
| S-STREAM Copy: | 35.1023 GB/s | S-STREAM Scale: | 34.8231 GB/s | |
| S-STREAM Add: | 35.3366 GB/s | S-STREAM Triad: | 35.3399 GB/s | |
| EP-STREAM Copy: | 27.2856 GB/s | EP-STREAM Scale: | 27.2671 GB/s | |
| EP-STREAM Add: | 27.9122 GB/s | EP-STREAM Triad: | 27.644 GB/s | |
| STREAM Vector Size: | 173408256 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.377414 Gup/s | EP-RandomAccess: | 0.320493 Gup/s | |
| G-RandomAccess: | 0.259082 Gup/s | G-RandomAccess N: | 8589934592 | |
| G-RandomAccess time: | 132.621 seconds | G-RandomAccess Check Time: | 306.142 seconds | |
| G-RandomAccess Errors: | 183668 | G-RandomAccess Errors Fraction: | 0.0000213818 | |
| G-RandomAccess TimeBound: | 0 | G-RandomAccess ExeUpdates: | 34359738368 | |
| RandomAccess N: | 268435456 | |||
| FFT | ||||
| S-FFT: | 5.43425 GFlop/s | EP-FFT: | 1.49003 GFlop/s | |
| MPIFFT: | 79.4773 GFlop/s | MPIFFT N: | 1073741824 | |
| MPIFFT Max Error: | 0.00000000000000239149 | MPIFFT time0: | 0.00000708796 seconds | |
| MPIFFT time1: | 0.557145 seconds | MPIFFT time2: | 0.565719 seconds | |
| MPIFFT time3: | 0.101084 seconds | MPIFFT time4: | 0.45429 seconds | |
| MPIFFT time5: | 0.306228 seconds | MPIFFT time6: | 0.000000296841 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 8.83217 GFlop/s | EP-DGEMM: | 8.62143 GFlop/s | |
| DGEMM N: | 11404 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 14.8024 usec | RandomRing Bandwidth: | 10.1288 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 15.3474 usec | NaturalRing Bandwidth: | 11.1196 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 9.39933 usec | Maximum PingPong Bandwidth: | 15.8269 GB/s | |
| Minimum PingPong Latency: | 4.24354 usec | Minimum PingPong Bandwidth: | 9.75108 GB/s | |
| Average PingPong Latency: | 8.55101 usec | Average PingPong Bandwidth: | 13.9283 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: | -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: | |||