| 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: | 4096 | Processors determined: | 4096 | |
| Cores per chip: | 16 | HPL Processes: | 4096 | |
| MPI Processes: | 4096 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 40.96 TFlop/s | Total memory: | 43648 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 33.269 Tflop/s | HPL time: | 5253.04 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000227615 | |
| HPL Anorm1: | 160534 | HPL AnormI: | 160564 | |
| HPL Xnorm1: | 1223810 | HPL XnormI: | 12.3475 | |
| HPL N: | 640000 | HPL NB: | 96 | |
| HPL NProw: | 64 | HPL NPcol: | 64 | |
| 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: | 78.4561 GB/s | PTRANS time: | 7.01734 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 262400 | |
| PTRANS NB: | 31 | PTRANS NProw: | 64 | |
| PTRANS NPcol: | 64 | |||
| STREAM | ||||
| S-STREAM Copy: | 14.7476 GB/s | S-STREAM Scale: | 6.76561 GB/s | |
| S-STREAM Add: | 7.71359 GB/s | S-STREAM Triad: | 7.53985 GB/s | |
| EP-STREAM Copy: | 2.12072 GB/s | EP-STREAM Scale: | 1.47391 GB/s | |
| EP-STREAM Add: | 1.46968 GB/s | EP-STREAM Triad: | 1.51361 GB/s | |
| STREAM Vector Size: | 33333333 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0621414 Gup/s | EP-RandomAccess: | 0.0141877 Gup/s | |
| G-RandomAccess: | 3.29933 Gup/s | G-RandomAccess N: | 274877906944 | |
| G-RandomAccess time: | 333.253 seconds | G-RandomAccess Check Time: | 216.267 seconds | |
| G-RandomAccess Errors: | 126838 | G-RandomAccess Errors Fraction: | 0.000000461434 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 1099511627776 | |
| RandomAccess N: | 67108864 | |||
| FFT | ||||
| S-FFT: | 1.24166 GFlop/s | EP-FFT: | 0.774568 GFlop/s | |
| MPIFFT: | 289.499 GFlop/s | MPIFFT N: | 34359738368 | |
| MPIFFT Max Error: | 0.000000000000564627 | MPIFFT time0: | 0.000000953674 seconds | |
| MPIFFT time1: | 5.72966 seconds | MPIFFT time2: | 1.55075 seconds | |
| MPIFFT time3: | 5.43983 seconds | MPIFFT time4: | 1.91289 seconds | |
| MPIFFT time5: | 5.94154 seconds | MPIFFT time6: | 0.00000286102 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 7.60661 GFlop/s | EP-DGEMM: | 1.98945 GFlop/s | |
| DGEMM N: | 5773 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 5.2178 usec | RandomRing Bandwidth: | 0.032146 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 2.26498 usec | NaturalRing Bandwidth: | 0.681488 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 2.92725 usec | Maximum PingPong Bandwidth: | 6.55872 GB/s | |
| Minimum PingPong Latency: | 0.498913 usec | Minimum PingPong Bandwidth: | 2.32436 GB/s | |
| Average PingPong Latency: | 2.15029 usec | Average PingPong Bandwidth: | 4.19835 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 | |