| System Information | ||||
| Affiliation: | Scali AS | URL: | http://www.scali.com | |
| Location: | Norway, Oslo | System Use: | Vendor | |
| System Manufacturer: | Dell Inc. / Scali AS | System Name: | PowerEdge 1855 cluster | |
| Interconnect Manufacturer: | TopSpin and InfiniCon (now Silverstorm) | Interconnect Type: | InfiniBand 4x, TopSpin Blade HCA, Infinicon InfinIO 3000 switch | |
| Operating System: | RedHat AS 4 | MPI: | Scali MPI Connect v. 3.6.3-4.rhel4 | |
| MPI Wtick: | 0.0000000002777374 | BLAS: | Goto BLAS Library v. goto_prescott64p-r1.00 | |
| Language: | C | Compiler: | gcc 3.4.3 | |
| Compiler Flags: | -fomit-frame-pointer -O3 -funroll-loops | Processor Type: | Intel Xeon EM64T | |
| Processor Speed: | 3.6 GHz | Total Processors: | 64 | |
| Processors Entered: | 64 | Processors determined: | 64 | |
| Cores per chip: | 1 | HPL Processes: | 64 | |
| MPI Processes: | 64 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 460.8 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.353238 Tflop/s | HPL time: | 235.924 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.000000000100233 | |
| HPL Anorm1: | 12627.8 | HPL AnormI: | 12625.5 | |
| HPL Xnorm1: | 21270 | HPL XnormI: | 2.17621 | |
| HPL N: | 50000 | HPL NB: | 80 | |
| HPL NProw: | 8 | HPL NPcol: | 8 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 4 | HPL CPfact: | R | |
| HPL CRfact: | C | HPL CPtop: | 1 | |
| 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: | 7.21632 GB/s | PTRANS time: | 0.692874 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 25000 | |
| PTRANS NB: | 40 | PTRANS NProw: | 8 | |
| PTRANS NPcol: | 8 | |||
| STREAM | ||||
| S-STREAM Copy: | 2.49865 GB/s | S-STREAM Scale: | 2.41342 GB/s | |
| S-STREAM Add: | 2.9254 GB/s | S-STREAM Triad: | 2.95122 GB/s | |
| EP-STREAM Copy: | 1.24342 GB/s | EP-STREAM Scale: | 1.2518 GB/s | |
| EP-STREAM Add: | 1.42311 GB/s | EP-STREAM Triad: | 1.44893 GB/s | |
| STREAM Vector Size: | 13020833 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0144672 Gup/s | EP-RandomAccess: | 0.00752909 Gup/s | |
| G-RandomAccess: | 0.00213742 Gup/s | G-RandomAccess N: | 2147483648 | |
| G-RandomAccess time: | 66.494 seconds | G-RandomAccess Check Time: | 0.781285 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 60 | G-RandomAccess ExeUpdates: | 142125568 | |
| RandomAccess N: | 33554432 | |||
| FFT | ||||
| S-FFT: | 0.719599 GFlop/s | EP-FFT: | 0.578785 GFlop/s | |
| MPIFFT: | 10.3118 GFlop/s | MPIFFT N: | 268435456 | |
| MPIFFT Max Error: | 0.00000000000000189715 | MPIFFT time0: | 0.00000376196 seconds | |
| MPIFFT time1: | 0.504915 seconds | MPIFFT time2: | 0.315206 seconds | |
| MPIFFT time3: | 0.45307 seconds | MPIFFT time4: | 1.75823 seconds | |
| MPIFFT time5: | 0.499867 seconds | MPIFFT time6: | 0.00000268211 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 6.72184 GFlop/s | EP-DGEMM: | 6.56536 GFlop/s | |
| DGEMM N: | 3125 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 8.12665 usec | RandomRing Bandwidth: | 0.204762 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 5.05129 usec | NaturalRing Bandwidth: | 0.454545 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 5.68262 usec | Maximum PingPong Bandwidth: | 0.957449 GB/s | |
| Minimum PingPong Latency: | 1.07219 usec | Minimum PingPong Bandwidth: | 0.95441 GB/s | |
| Average PingPong Latency: | 5.06346 usec | Average PingPong Bandwidth: | 0.956237 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: | |||