| 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/ISC | |
| 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 -Pauto -pvctl,inner | Processor Type: | NEC SX-9 | |
| Processor Speed: | 3.2 GHz | Total Processors: | 256 | |
| Processors Entered: | 32 | Processors determined: | 32 | |
| Cores per chip: | 1 | HPL Processes: | 2 | |
| MPI Processes: | 2 | Threads Entered: | 16 | |
| Threads determined: | 1 | FLOPs per cycle: | ||
| Theoretical peak: | 3.2 TFlop/s | Total memory: | 16384 GiB | |
| FFT library: | FFTE version 4.0/ASL R22/ISC | |||
| Explain Optimizations: | ||||
Extend loop length, add some compiler directives(SN/EP RA), vectorization (HPL,G-RA), add MPI_Barrier(PTRANS) | ||||
| HPL | ||||
| HPL: | 1.82528 Tflop/s | HPL time: | 36.4012 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000485468 | |
| HPL Anorm1: | 11719.5 | HPL AnormI: | 11708.1 | |
| HPL Xnorm1: | 156108 | HPL XnormI: | 18.3054 | |
| HPL N: | 46363 | HPL NB: | 64 | |
| HPL NProw: | 2 | HPL NPcol: | 1 | |
| 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: | 128.98 GB/s | PTRANS time: | 0.0331653 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 23181 | |
| PTRANS NB: | 173 | PTRANS NProw: | 2 | |
| PTRANS NPcol: | 1 | |||
| STREAM | ||||
| S-STREAM Copy: | 2746.17 GB/s | S-STREAM Scale: | 2729.91 GB/s | |
| S-STREAM Add: | 2760.59 GB/s | S-STREAM Triad: | 2816.12 GB/s | |
| EP-STREAM Copy: | 2735.73 GB/s | EP-STREAM Scale: | 2696.18 GB/s | |
| EP-STREAM Add: | 2649.6 GB/s | EP-STREAM Triad: | 2771.82 GB/s | |
| STREAM Vector Size: | 358254628 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.786175 Gup/s | EP-RandomAccess: | 0.786067 Gup/s | |
| G-RandomAccess: | 0.0972846 Gup/s | G-RandomAccess N: | 2147483648 | |
| G-RandomAccess time: | 88.297 seconds | G-RandomAccess Check Time: | 651.919 seconds | |
| G-RandomAccess Errors: | 74084 | G-RandomAccess Errors Fraction: | 0.0000344981 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 8589934592 | |
| RandomAccess N: | 1073741824 | |||
| FFT | ||||
| S-FFT: | 429.634 GFlop/s | EP-FFT: | 435.474 GFlop/s | |
| MPIFFT: | 57.983 GFlop/s | MPIFFT N: | 268435456 | |
| MPIFFT Max Error: | 0.00000000000000565451 | MPIFFT time0: | 0.00000460687 seconds | |
| MPIFFT time1: | 0.0580455 seconds | MPIFFT time2: | 0.268505 seconds | |
| MPIFFT time3: | 0.0197902 seconds | MPIFFT time4: | 0.227809 seconds | |
| MPIFFT time5: | 0.0671222 seconds | MPIFFT time6: | 0.000000224376 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 1323.38 GFlop/s | EP-DGEMM: | 1304.81 GFlop/s | |
| DGEMM N: | 18927 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 5.11549 usec | RandomRing Bandwidth: | 26.0639 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 5.13025 usec | NaturalRing Bandwidth: | 26.2547 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 3.18805 usec | Maximum PingPong Bandwidth: | 30.7368 GB/s | |
| Minimum PingPong Latency: | 3.15695 usec | Minimum PingPong Bandwidth: | 30.5188 GB/s | |
| Average PingPong Latency: | 3.1725 usec | Average PingPong Bandwidth: | 30.6278 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 | |