| System Information | ||||
| Affiliation: | N/A | URL: | N/A | |
| Location: | Greece, Serres | System Use: | Research | |
| System Manufacturer: | N/A | System Name: | BlackCell | |
| Interconnect Manufacturer: | Dlink | Interconnect Type: | Fast Ethernet | |
| Operating System: | Ubuntu 9.04 64bit | MPI: | MPICH2 1.2 | |
| MPI Wtick: | 0.000001 | BLAS: | ACML 4.3.0 | |
| Language: | C | Compiler: | gcc 4.3.3 | |
| Compiler Flags: | -fomit-frame-pointer -O3 -fopenmp -m64 -ffast-math -funroll-all-loops -funit-at-a-time -fpeel-loops -ftracer -funswitch-loop | Processor Type: | AMD Athlon64 X2 | |
| Processor Speed: | 2.5 GHz | Total Processors: | 4 | |
| Processors Entered: | 4 | Processors determined: | 8 | |
| Cores per chip: | 2 | HPL Processes: | 4 | |
| MPI Processes: | 4 | Threads Entered: | 2 | |
| Threads determined: | 2 | FLOPs per cycle: | ||
| Theoretical peak: | 0.022 TFlop/s | Total memory: | 8 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.0164813 Tflop/s | HPL time: | 796.242 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000380683 | |
| HPL Anorm1: | 6840.76 | HPL AnormI: | 6856.62 | |
| HPL Xnorm1: | 217766 | HPL XnormI: | 40.7921 | |
| HPL N: | 27000 | HPL NB: | 90 | |
| 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: | 2.225074e-308 | HPL sMach sfMin: | 1.1754939999999999e-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: | 1.1754939999999999e-38 | |
| HPL dMach eMax: | 1024 | HPL sMach eMax: | 128 | |
| HPL dMach rMax: | 1.797693e308 | HPL sMach rMax: | 3.4028230000000003e38 | |
| dweps: | 1.110223e-16 | sweps: | 0.00000005960464 | |
| PTRANS | ||||
| PTRANS: | 0.0370356 GB/s | PTRANS time: | 39.3675 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 13500 | |
| PTRANS NB: | 90 | PTRANS NProw: | 2 | |
| PTRANS NPcol: | 2 | |||
| STREAM | ||||
| S-STREAM Copy: | 2.06109 GB/s | S-STREAM Scale: | 2.07168 GB/s | |
| S-STREAM Add: | 2.37012 GB/s | S-STREAM Triad: | 2.37026 GB/s | |
| EP-STREAM Copy: | 2.19313 GB/s | EP-STREAM Scale: | 2.18589 GB/s | |
| EP-STREAM Add: | 2.5158 GB/s | EP-STREAM Triad: | 2.51992 GB/s | |
| STREAM Vector Size: | 60750000 | STREAM Threads: | 2 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.00356229 Gup/s | EP-RandomAccess: | 0.00397372 Gup/s | |
| G-RandomAccess: | 0.00301164 Gup/s | G-RandomAccess N: | 536870912 | |
| G-RandomAccess time: | 713.062 seconds | G-RandomAccess Check Time: | 423.265 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 2147483648 | |
| RandomAccess N: | 134217728 | |||
| FFT | ||||
| S-FFT: | 0.732885 GFlop/s | EP-FFT: | 0.741214 GFlop/s | |
| MPIFFT: | 0.095106 GFlop/s | MPIFFT N: | 67108864 | |
| MPIFFT Max Error: | 0.00000000000000178415 | MPIFFT time0: | 0.00000286102 seconds | |
| MPIFFT time1: | 29.0392 seconds | MPIFFT time2: | 1.06085 seconds | |
| MPIFFT time3: | 28.7363 seconds | MPIFFT time4: | 3.56345 seconds | |
| MPIFFT time5: | 29.023 seconds | MPIFFT time6: | 0.0000038147 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 9.16578 GFlop/s | EP-DGEMM: | 8.81593 GFlop/s | |
| DGEMM N: | 7793 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 37.9129 usec | RandomRing Bandwidth: | 0.00947934 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 33.8078 usec | NaturalRing Bandwidth: | 0.00900359 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 52.9885 usec | Maximum PingPong Bandwidth: | 0.0118379 GB/s | |
| Minimum PingPong Latency: | 48.0562 usec | Minimum PingPong Bandwidth: | 0.0117371 GB/s | |
| Average PingPong Latency: | 50.4392 usec | Average PingPong Bandwidth: | 0.0117874 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: | 200505 | OpenMP Num Threads: | 2 | |
| OpenMP Num Procs: | 2 | 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: | 0 | |