| System Information | ||||
| Affiliation: | University of Ottawa | URL: | http://www.uottawa.ca/ | |
| Location: | Ontario, Ottawa | System Use: | Academic | |
| System Manufacturer: | Dell | System Name: | Optiplex 755 | |
| Interconnect Manufacturer: | None | Interconnect Type: | None | |
| Operating System: | ArchLinux | MPI: | OpenMPI 1.2.5 | |
| MPI Wtick: | 0.000001 | BLAS: | ATLAS 3.8.0 | |
| Language: | C | Compiler: | gcc 4.2.2 | |
| Compiler Flags: | -fomit-frame-pointer -O3 -funroll-loops -W -Wall | Processor Type: | Intel Core2Quad Q6600 | |
| Processor Speed: | 2.4 GHz | Total Processors: | 4 | |
| Processors Entered: | 4 | Processors determined: | 16 | |
| Cores per chip: | 2 | HPL Processes: | 4 | |
| MPI Processes: | 4 | Threads Entered: | 4 | |
| Threads determined: | 1 | FLOPs per cycle: | ||
| Theoretical peak: | 4 TFlop/s | Total memory: | 4 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.0088734 Tflop/s | HPL time: | 0.0753 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000000340492 | |
| HPL Anorm1: | 265.839 | HPL AnormI: | 266.54 | |
| HPL Xnorm1: | 41200.8 | HPL XnormI: | 170.09 | |
| HPL N: | 1000 | HPL NB: | 80 | |
| HPL NProw: | 2 | HPL NPcol: | 2 | |
| 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: | 0.771934 GB/s | PTRANS time: | 0.00189209 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 500 | |
| PTRANS NB: | 80 | PTRANS NProw: | 2 | |
| PTRANS NPcol: | 2 | |||
| STREAM | ||||
| S-STREAM Copy: | 15.7089 GB/s | S-STREAM Scale: | 13.347 GB/s | |
| S-STREAM Add: | 16.0087 GB/s | S-STREAM Triad: | 13.797 GB/s | |
| EP-STREAM Copy: | 4.92955 GB/s | EP-STREAM Scale: | 4.71823 GB/s | |
| EP-STREAM Add: | 6.91759 GB/s | EP-STREAM Triad: | 7.75287 GB/s | |
| STREAM Vector Size: | 83333 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.260055 Gup/s | EP-RandomAccess: | 0.183338 Gup/s | |
| G-RandomAccess: | 0.0290046 Gup/s | G-RandomAccess N: | 524288 | |
| G-RandomAccess time: | 0.072304 seconds | G-RandomAccess Check Time: | 0.0143089 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 2097152 | |
| RandomAccess N: | 131072 | |||
| FFT | ||||
| S-FFT: | 1.64821 GFlop/s | EP-FFT: | 1.53851 GFlop/s | |
| MPIFFT: | 2.64401 GFlop/s | MPIFFT N: | 65536 | |
| MPIFFT Max Error: | 0.00000000000000123075 | MPIFFT time0: | 0 seconds | |
| MPIFFT time1: | 0.000392914 seconds | MPIFFT time2: | 0.000250101 seconds | |
| MPIFFT time3: | 0.000309944 seconds | MPIFFT time4: | 0.00062418 seconds | |
| MPIFFT time5: | 0.000363827 seconds | MPIFFT time6: | 0.000000953674 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 7.08729 GFlop/s | EP-DGEMM: | 6.14962 GFlop/s | |
| DGEMM N: | 288 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 0.959991 usec | RandomRing Bandwidth: | 0.289501 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 0.851495 usec | NaturalRing Bandwidth: | 0.334207 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 0.705322 usec | Maximum PingPong Bandwidth: | 2.1299 GB/s | |
| Minimum PingPong Latency: | 0.417233 usec | Minimum PingPong Bandwidth: | 1.1689 GB/s | |
| Average PingPong Latency: | 0.592735 usec | Average PingPong Bandwidth: | 1.45376 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: | 0 | CPS_HPCC_FFTW_ESTIMATE: | 0 | |
| CPS_HPCC_MEMALLCTR: | 0 | CPS_HPL_USE_GETPROCESSTIMES: | 0 | |
| CPS_RA_SANDIA_NOPT: | 0 | CPS_RA_SANDIA_OPT2: | 0 | |