| System Information | ||||
| Affiliation: | RIKEN Advanced Institute for Computational Science (AICS) | URL: | http://www.aics.riken.jp/index_e.html | |
| Location: | Japan, Kobe, Hyogo | System Use: | Research | |
| System Manufacturer: | Fujitsu Ltd. | System Name: | K computer | |
| Interconnect Manufacturer: | Fujitsu Ltd. | Interconnect Type: | Tofu interconnect | |
| Operating System: | Linux | MPI: | Parallelnavi Technical Computing Language V1.0L20 | |
| MPI Wtick: | 0.0000001 | BLAS: | Parallelnavi Technical Computing Language V1.0L20 | |
| Language: | C | Compiler: | Parallelnavi Technical Computing Language V1.0L20 | |
| Compiler Flags: | -Kfast,parallel,openmp,ocl (-mlcmain=main -SSL2BLAMP for LINKFLAGS) | Processor Type: | Fujitsu SPARC64 VIIIfx | |
| Processor Speed: | 2 GHz | Total Processors: | 73728 | |
| Processors Entered: | 73728 | Processors determined: | 73728 | |
| Cores per chip: | 8 | HPL Processes: | 9216 | |
| MPI Processes: | 9216 | Threads Entered: | 8 | |
| Threads determined: | 8 | FLOPs per cycle: | ||
| Theoretical peak: | 1179.648 TFlop/s | Total memory: | 147456 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 710.917 Tflop/s | HPL time: | 10164.9 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000104494 | |
| HPL Anorm1: | 554331 | HPL AnormI: | 554298 | |
| HPL Xnorm1: | 71199100 | HPL XnormI: | 206.966 | |
| HPL N: | 2213120 | HPL NB: | 448 | |
| HPL NProw: | 48 | HPL NPcol: | 192 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 8 | HPL CPfact: | L | |
| HPL CRfact: | L | HPL CPtop: | 3 | |
| HPL order: | C | |||
| HPL dMach EPS: | 1.110223e-16 | HPL sMach EPS: | 0.00000005960464 | |
| HPL dMach sfMin: | 2.225074e-308 | 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: | 2.225074e-308 | 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: | 2548 GB/s | PTRANS time: | 3.62549 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 1106560 | |
| PTRANS NB: | 448 | PTRANS NProw: | 48 | |
| PTRANS NPcol: | 192 | |||
| STREAM | ||||
| S-STREAM Copy: | 28.8452 GB/s | S-STREAM Scale: | 28.639 GB/s | |
| S-STREAM Add: | 29.4702 GB/s | S-STREAM Triad: | 29.6773 GB/s | |
| EP-STREAM Copy: | 29.1542 GB/s | EP-STREAM Scale: | 28.8437 GB/s | |
| EP-STREAM Add: | 30.1066 GB/s | EP-STREAM Triad: | 30.1177 GB/s | |
| STREAM Vector Size: | 177152059 | STREAM Threads: | 8 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.039858 Gup/s | EP-RandomAccess: | 0.0397472 Gup/s | |
| G-RandomAccess: | 28.8029 Gup/s | G-RandomAccess N: | 4398046511104 | |
| G-RandomAccess time: | 610.778 seconds | G-RandomAccess Check Time: | 312.819 seconds | |
| G-RandomAccess Errors: | 8388069 | G-RandomAccess Errors Fraction: | 0.00000190723 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 17592186044416 | |
| RandomAccess N: | 268435456 | |||
| FFT | ||||
| S-FFT: | 5.88554 GFlop/s | EP-FFT: | 5.88744 GFlop/s | |
| MPIFFT: | 11003.4 GFlop/s | MPIFFT N: | 611529523200 | |
| MPIFFT Max Error: | 0.00000000000000365745 | MPIFFT time0: | 0.0000420208 seconds | |
| MPIFFT time1: | 1.92938 seconds | MPIFFT time2: | 1.33806 seconds | |
| MPIFFT time3: | 1.45312 seconds | MPIFFT time4: | 3.96406 seconds | |
| MPIFFT time5: | 2.03812 seconds | MPIFFT time6: | 0.0000019013 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 110.239 GFlop/s | EP-DGEMM: | 108.872 GFlop/s | |
| DGEMM N: | 13309 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 5.81629 usec | RandomRing Bandwidth: | 0.298507 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 3.3516 usec | NaturalRing Bandwidth: | 8.92268 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 6.40887 usec | Maximum PingPong Bandwidth: | 4.62516 GB/s | |
| Minimum PingPong Latency: | 1.56937 usec | Minimum PingPong Bandwidth: | 4.48575 GB/s | |
| Average PingPong Latency: | 4.34987 usec | Average PingPong Bandwidth: | 4.53992 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: | 200805 | OpenMP Num Threads: | 8 | |
| OpenMP Num Procs: | 8 | OpenMP Max Threads: | 8 | |
| Memory | ||||
| MemProc: | -1 | MemSpec: | -1 | |
| MemVal: | -1 | |||
| CPS | ||||
| CPS_HPCC_FFT_235: | 1 | CPS_HPCC_FFTW_ESTIMATE: | 0 | |
| CPS_HPCC_MEMALLCTR: | 0 | CPS_HPL_USE_GETPROCESSTIMES: | 0 | |
| CPS_RA_SANDIA_NOPT: | 1 | CPS_RA_SANDIA_OPT2: | 0 | |