| System Information | ||||
| Affiliation: | University Politehnica of Bucharest | URL: | http://cluster.grid.pub.ro/ | |
| Location: | Rumania, Bucharest | System Use: | Academic | |
| System Manufacturer: | IBM | System Name: | HS21 | |
| Interconnect Manufacturer: | Cisco | Interconnect Type: | 4x Gigabit Ethernet | |
| Operating System: | Scientific Linux CERN SLC release 4.7 (Beryllium) | MPI: | OpenMPI 1.2.5 | |
| MPI Wtick: | 0.000001 | BLAS: | Atlas 3.8.2 | |
| Language: | C | Compiler: | gcc 4.1.2 | |
| Compiler Flags: | -fomit-frame-pointer -O3 -funroll-loops | Processor Type: | Intel Xeon EM64T | |
| Processor Speed: | 2 GHz | Total Processors: | 64 | |
| Processors Entered: | 56 | Processors determined: | 224 | |
| Cores per chip: | 4 | HPL Processes: | 224 | |
| MPI Processes: | 224 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 1.792 TFlop/s | Total memory: | 448 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.941465 Tflop/s | HPL time: | 8615.73 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000816438 | |
| HPL Anorm1: | 57825.6 | HPL AnormI: | 57834.6 | |
| HPL Xnorm1: | 1476430 | HPL XnormI: | 45.1747 | |
| HPL N: | 230000 | HPL NB: | 250 | |
| HPL NProw: | 8 | HPL NPcol: | 28 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 8 | HPL CPfact: | R | |
| HPL CRfact: | R | HPL CPtop: | 0 | |
| 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: | 1.23868 GB/s | PTRANS time: | 78.1775 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 115000 | |
| PTRANS NB: | 250 | PTRANS NProw: | 8 | |
| PTRANS NPcol: | 28 | |||
| STREAM | ||||
| S-STREAM Copy: | 3.09055 GB/s | S-STREAM Scale: | 3.09649 GB/s | |
| S-STREAM Add: | 3.28583 GB/s | S-STREAM Triad: | 3.27943 GB/s | |
| EP-STREAM Copy: | 0.658424 GB/s | EP-STREAM Scale: | 0.657546 GB/s | |
| EP-STREAM Add: | 0.710241 GB/s | EP-STREAM Triad: | 0.717332 GB/s | |
| STREAM Vector Size: | 78720238 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0202292 Gup/s | EP-RandomAccess: | 0.00666969 Gup/s | |
| G-RandomAccess: | 0.00264798 Gup/s | G-RandomAccess N: | 34359738368 | |
| G-RandomAccess time: | 51903.4 seconds | G-RandomAccess Check Time: | 9588.8 seconds | |
| G-RandomAccess Errors: | 2 | G-RandomAccess Errors Fraction: | 0.0000000000582077 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 137438953472 | |
| RandomAccess N: | 134217728 | |||
| FFT | ||||
| S-FFT: | 0.926575 GFlop/s | EP-FFT: | 0.431403 GFlop/s | |
| MPIFFT: | 2.94236 GFlop/s | MPIFFT N: | 2147483648 | |
| MPIFFT Max Error: | 0.00000000000000210948 | MPIFFT time0: | 0.00000190735 seconds | |
| MPIFFT time1: | 35.1181 seconds | MPIFFT time2: | 1.28501 seconds | |
| MPIFFT time3: | 34.5182 seconds | MPIFFT time4: | 6.4471 seconds | |
| MPIFFT time5: | 35.1352 seconds | MPIFFT time6: | 0.00000596046 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 6.06073 GFlop/s | EP-DGEMM: | 4.84362 GFlop/s | |
| DGEMM N: | 8871 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 182.496 usec | RandomRing Bandwidth: | 0.00529008 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 155.401 usec | NaturalRing Bandwidth: | 0.00946896 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 208.184 usec | Maximum PingPong Bandwidth: | 0.447428 GB/s | |
| Minimum PingPong Latency: | 84.6833 usec | Minimum PingPong Bandwidth: | 0.212561 GB/s | |
| Average PingPong Latency: | 168.581 usec | Average PingPong Bandwidth: | 0.220307 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 | |