| System Information | ||||
| Affiliation: | TOHOKU UNIVERSITY | URL: | http://www.cc.tohoku.ac.jp/english/ | |
| Location: | Japan, SENDAI | System Use: | Academic | |
| System Manufacturer: | NEC | System Name: | SX-9 | |
| Interconnect Manufacturer: | NEC | Interconnect Type: | IXS | |
| Operating System: | SuperUX R18.1 | MPI: | MPI/SX 8.0.0/ISC | |
| MPI Wtick: | 0.000000000625 | BLAS: | MathKeisan 3.0 | |
| Language: | C | Compiler: | C++/SX Rev.083.1 | |
| Compiler Flags: | -Caopt -gmalloc -size_t64 -O,restrict=arg -pi,auto -pvctl,noloopchg,vwork=stack,delinearize,nodep | Processor Type: | NEC SX-9 | |
| Processor Speed: | 3.2 GHz | Total Processors: | 256 | |
| Processors Entered: | 256 | Processors determined: | 256 | |
| Cores per chip: | 1 | HPL Processes: | 256 | |
| MPI Processes: | 256 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | ||
| Theoretical peak: | 26.2 TFlop/s | Total memory: | 16384 GiB | |
| FFT library: | FFTE version 4.0/ISC | |||
| Explain Optimizations: | ||||
Extend loop length, add some compiler directives (SN/EP RA), vectorization (HPL,G-RA), add MPI_Barrier(PTRANS) | ||||
| HPL | ||||
| HPL: | 20.1884 Tflop/s | HPL time: | 4759.9 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000449123 | |
| HPL Anorm1: | 131505 | HPL AnormI: | 131398 | |
| HPL Xnorm1: | 328118 | HPL XnormI: | 3.57104 | |
| HPL N: | 524320 | HPL NB: | 64 | |
| HPL NProw: | 16 | HPL NPcol: | 16 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 32 | HPL CPfact: | R | |
| HPL CRfact: | R | HPL CPtop: | 0 | |
| 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: | 778.819 GB/s | PTRANS time: | 0.675059 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 262160 | |
| PTRANS NB: | 145 | PTRANS NProw: | 16 | |
| PTRANS NPcol: | 16 | |||
| STREAM | ||||
| S-STREAM Copy: | 201.795 GB/s | S-STREAM Scale: | 201.609 GB/s | |
| S-STREAM Add: | 223.929 GB/s | S-STREAM Triad: | 224.168 GB/s | |
| EP-STREAM Copy: | 169.543 GB/s | EP-STREAM Scale: | 170.782 GB/s | |
| EP-STREAM Add: | 166.082 GB/s | EP-STREAM Triad: | 169.656 GB/s | |
| STREAM Vector Size: | 357957633 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.785344 Gup/s | EP-RandomAccess: | 0.784231 Gup/s | |
| G-RandomAccess: | 1.4011 Gup/s | G-RandomAccess N: | 274877906944 | |
| G-RandomAccess time: | 784.749 seconds | G-RandomAccess Check Time: | 1020.67 seconds | |
| G-RandomAccess Errors: | 273933 | G-RandomAccess Errors Fraction: | 0.000000996562 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 1099511627776 | |
| RandomAccess N: | 1073741824 | |||
| FFT | ||||
| S-FFT: | 39.9015 GFlop/s | EP-FFT: | 24.7801 GFlop/s | |
| MPIFFT: | 2377.31 GFlop/s | MPIFFT N: | 34359738368 | |
| MPIFFT Max Error: | 0.00000000000000597873 | MPIFFT time0: | 0.00000631063 seconds | |
| MPIFFT time1: | 0.734505 seconds | MPIFFT time2: | 0.47584 seconds | |
| MPIFFT time3: | 0.397377 seconds | MPIFFT time4: | 0.449997 seconds | |
| MPIFFT time5: | 0.434087 seconds | MPIFFT time6: | 0.000000222499 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 86.2637 GFlop/s | EP-DGEMM: | 86.5024 GFlop/s | |
| DGEMM N: | 18919 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 9.39808 usec | RandomRing Bandwidth: | 3.64036 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 8.77225 usec | NaturalRing Bandwidth: | 24.9582 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 5.35559 usec | Maximum PingPong Bandwidth: | 80.4141 GB/s | |
| Minimum PingPong Latency: | 2.7959 usec | Minimum PingPong Bandwidth: | 27.9231 GB/s | |
| Average PingPong Latency: | 4.6308 usec | Average PingPong Bandwidth: | 31.4279 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: | 0 | CPS_HPCC_FFTW_ESTIMATE: | 0 | |
| CPS_HPCC_MEMALLCTR: | 0 | CPS_HPL_USE_GETPROCESSTIMES: | 0 | |
| CPS_RA_SANDIA_NOPT: | 1 | CPS_RA_SANDIA_OPT2: | 0 | |