| System Information | ||||
| Affiliation: | Indiana University | URL: | http://www.iu.edu/ | |
| Location: | USA, Indiana, Bloomington | System Use: | Academic | |
| System Manufacturer: | Cray | System Name: | Cray XE6 | |
| Interconnect Manufacturer: | Cray | Interconnect Type: | Gemini | |
| Operating System: | SUSE Linux Enterprise Server 11 | MPI: | Cray MPICH 2 | |
| MPI Wtick: | 0.000001 | BLAS: | Cray Scientific Libraries 12.1.01 | |
| Language: | C | Compiler: | Cray Compiling Environment 8.1.9 | |
| Compiler Flags: | -O3 -DRA_SANDIA_OPT2 -hlist=m -DLONG_IS_64BITS -hrestrict=a -h pragma=omp | Processor Type: | AMD Opteron | |
| Processor Speed: | 2.5 GHz | Total Processors: | 21824 | |
| Processors Entered: | 128 | Processors determined: | 128 | |
| Cores per chip: | 16 | HPL Processes: | 128 | |
| MPI Processes: | 128 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 1.28 TFlop/s | Total memory: | 43648 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 1.04394 Tflop/s | HPL time: | 508.262 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.000000000477751 | |
| HPL Anorm1: | 23374 | HPL AnormI: | 23338.6 | |
| HPL Xnorm1: | 81517 | HPL XnormI: | 5.13787 | |
| HPL N: | 92672 | HPL NB: | 96 | |
| HPL NProw: | 8 | HPL NPcol: | 16 | |
| HPL depth: | 0 | HPL NBdiv: | 2 | |
| HPL NBmin: | 4 | HPL CPfact: | C | |
| HPL CRfact: | R | HPL CPtop: | 1 | |
| HPL order: | R | |||
| 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: | 1.797693e308 | |
| dweps: | 1.110223e-16 | sweps: | 0.00000005960464 | |
| PTRANS | ||||
| PTRANS: | 13.4944 GB/s | PTRANS time: | 0.0287051 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 7040 | |
| PTRANS NB: | 63 | PTRANS NProw: | 8 | |
| PTRANS NPcol: | 16 | |||
| STREAM | ||||
| S-STREAM Copy: | 13.9426 GB/s | S-STREAM Scale: | 6.68344 GB/s | |
| S-STREAM Add: | 7.55028 GB/s | S-STREAM Triad: | 7.38765 GB/s | |
| EP-STREAM Copy: | 2.09875 GB/s | EP-STREAM Scale: | 1.46766 GB/s | |
| EP-STREAM Add: | 1.45322 GB/s | EP-STREAM Triad: | 1.49733 GB/s | |
| STREAM Vector Size: | 22364842 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0625724 Gup/s | EP-RandomAccess: | 0.0142532 Gup/s | |
| G-RandomAccess: | 0.311898 Gup/s | G-RandomAccess N: | 4294967296 | |
| G-RandomAccess time: | 55.0816 seconds | G-RandomAccess Check Time: | 23.6653 seconds | |
| G-RandomAccess Errors: | 40544 | G-RandomAccess Errors Fraction: | 0.00000943989 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 17179869184 | |
| RandomAccess N: | 33554432 | |||
| FFT | ||||
| S-FFT: | 1.20016 GFlop/s | EP-FFT: | 0.75768 GFlop/s | |
| MPIFFT: | 27.4189 GFlop/s | MPIFFT N: | 536870912 | |
| MPIFFT Max Error: | 0.00000000000011851 | MPIFFT time0: | 0.000000953674 seconds | |
| MPIFFT time1: | 0.615349 seconds | MPIFFT time2: | 0.26495 seconds | |
| MPIFFT time3: | 0.516486 seconds | MPIFFT time4: | 0.624012 seconds | |
| MPIFFT time5: | 0.768031 seconds | MPIFFT time6: | 0.000000953674 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 7.54871 GFlop/s | EP-DGEMM: | 2.00103 GFlop/s | |
| DGEMM N: | 4728 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 3.15472 usec | RandomRing Bandwidth: | 0.167974 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 1.6519 usec | NaturalRing Bandwidth: | 0.698701 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 2.19213 usec | Maximum PingPong Bandwidth: | 6.569 GB/s | |
| Minimum PingPong Latency: | 0.331137 usec | Minimum PingPong Bandwidth: | 2.63337 GB/s | |
| Average PingPong Latency: | 1.59184 usec | Average PingPong Bandwidth: | 4.94813 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: | 1 | |
| OpenMP Num Procs: | 32 | OpenMP Max Threads: | 1 | |
| 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: | 0 | CPS_RA_SANDIA_OPT2: | 1 | |