| System Information | ||||
| Affiliation: | ORNL | URL: | ||
| Location: | USA, Tennessee, Oak Ridge | System Use: | Research | |
| System Manufacturer: | Cray Inc. | System Name: | xt3 | |
| Interconnect Manufacturer: | Cray | Interconnect Type: | Cray Seastar | |
| Operating System: | Catamount | MPI: | xt-mpt/1.2.10 | |
| MPI Wtick: | 0.000001 | BLAS: | acml/2.5 | |
| Language: | C | Compiler: | PGI 6.05 | |
| Compiler Flags: | -fastsse | Processor Type: | AMD Opteron | |
| Processor Speed: | 2.4 GHz | Total Processors: | 5280 | |
| Processors Entered: | 32 | Processors determined: | 32 | |
| Cores per chip: | 1 | HPL Processes: | 32 | |
| MPI Processes: | 32 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 23 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.138781 Tflop/s | HPL time: | 306.536 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.000000000486807 | |
| HPL Anorm1: | 10120.3 | HPL AnormI: | 10099.8 | |
| HPL Xnorm1: | 36420.6 | HPL XnormI: | 5.30181 | |
| HPL N: | 39960 | HPL NB: | 60 | |
| HPL NProw: | 4 | HPL NPcol: | 8 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 4 | HPL CPfact: | R | |
| 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: | 3.402823e38 | |
| dweps: | 1.110223e-16 | sweps: | 0.00000005960464 | |
| PTRANS | ||||
| PTRANS: | 7.37643 GB/s | PTRANS time: | 0.432947 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 19980 | |
| PTRANS NB: | 68 | PTRANS NProw: | 4 | |
| PTRANS NPcol: | 8 | |||
| STREAM | ||||
| S-STREAM Copy: | 4.90261 GB/s | S-STREAM Scale: | 4.8446 GB/s | |
| S-STREAM Add: | 4.89282 GB/s | S-STREAM Triad: | 4.88821 GB/s | |
| EP-STREAM Copy: | 4.90259 GB/s | EP-STREAM Scale: | 4.84443 GB/s | |
| EP-STREAM Add: | 4.89282 GB/s | EP-STREAM Triad: | 4.88825 GB/s | |
| STREAM Vector Size: | 16633350 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.019655 Gup/s | EP-RandomAccess: | 0.0196563 Gup/s | |
| G-RandomAccess: | 0.0606017 Gup/s | G-RandomAccess N: | 1073741824 | |
| G-RandomAccess time: | 60.5759 seconds | G-RandomAccess Check Time: | 10.2911 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 60 | G-RandomAccess ExeUpdates: | 3671000480 | |
| RandomAccess N: | 33554432 | |||
| FFT | ||||
| S-FFT: | 0.73944 GFlop/s | EP-FFT: | 0.753841 GFlop/s | |
| MPIFFT: | 9.36826 GFlop/s | MPIFFT N: | 134217728 | |
| MPIFFT Max Error: | 0.0000000000000019658 | MPIFFT time0: | 0.00000190735 seconds | |
| MPIFFT time1: | 0.194166 seconds | MPIFFT time2: | 0.296768 seconds | |
| MPIFFT time3: | 0.151525 seconds | MPIFFT time4: | 0.930822 seconds | |
| MPIFFT time5: | 0.295691 seconds | MPIFFT time6: | 0.000000953674 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 4 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 4.77263 GFlop/s | EP-DGEMM: | 4.77641 GFlop/s | |
| DGEMM N: | 3531 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 8.74181 usec | RandomRing Bandwidth: | 0.57281 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 8.79765 usec | NaturalRing Bandwidth: | 1.15458 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 7.6741 usec | Maximum PingPong Bandwidth: | 1.15945 GB/s | |
| Minimum PingPong Latency: | 6.80983 usec | Minimum PingPong Bandwidth: | 0.772218 GB/s | |
| Average PingPong Latency: | 7.16785 usec | Average PingPong Bandwidth: | 1.15817 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: | CPS_HPCC_FFTW_ESTIMATE: | |||
| CPS_HPCC_MEMALLCTR: | CPS_HPL_USE_GETPROCESSTIMES: | |||
| CPS_RA_SANDIA_NOPT: | CPS_RA_SANDIA_OPT2: | |||