| System Information | ||||
| Affiliation: | P.U.B | URL: | http://www.pub.ro/ | |
| Location: | Romania, Bucharest | System Use: | Academic | |
| System Manufacturer: | LMN/PUB | System Name: | ATLAS | |
| Interconnect Manufacturer: | none | Interconnect Type: | 1 Gbit Ethernet | |
| Operating System: | OpenSuse 11 | MPI: | OpenMPI 1.2.5-3.1 | |
| MPI Wtick: | 0.000001 | BLAS: | Atlas 3.9.1 | |
| Language: | C | Compiler: | gcc 4.3.1 | |
| Compiler Flags: | -fomit-frame-pointer -O3 -funroll-loops -W -Wall | Processor Type: | AMD Opteron Barcelona, 2.3GHz Dual Quad-Core | |
| Processor Speed: | 1.2 GHz | Total Processors: | 48 | |
| Processors Entered: | 8 | Processors determined: | 32 | |
| Cores per chip: | 4 | HPL Processes: | 4 | |
| MPI Processes: | 4 | Threads Entered: | 8 | |
| Threads determined: | 1 | FLOPs per cycle: | ||
| Theoretical peak: | 8 TFlop/s | Total memory: | 96 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.0101353 Tflop/s | HPL time: | 0.0659249 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000000221023 | |
| HPL Anorm1: | 263.865 | HPL AnormI: | 262.773 | |
| HPL Xnorm1: | 2619.63 | HPL XnormI: | 11.3513 | |
| 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: | 0.555684 GB/s | PTRANS time: | 0.00334501 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 500 | |
| PTRANS NB: | 80 | PTRANS NProw: | 2 | |
| PTRANS NPcol: | 2 | |||
| STREAM | ||||
| S-STREAM Copy: | 8.60367 GB/s | S-STREAM Scale: | 6.8787 GB/s | |
| S-STREAM Add: | 6.60518 GB/s | S-STREAM Triad: | 8.40539 GB/s | |
| EP-STREAM Copy: | 1.56107 GB/s | EP-STREAM Scale: | 1.48585 GB/s | |
| EP-STREAM Add: | 1.50688 GB/s | EP-STREAM Triad: | 1.57216 GB/s | |
| STREAM Vector Size: | 83333 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.159119 Gup/s | EP-RandomAccess: | 0.12877 Gup/s | |
| G-RandomAccess: | 0.0268529 Gup/s | G-RandomAccess N: | 524288 | |
| G-RandomAccess time: | 0.0780978 seconds | G-RandomAccess Check Time: | 0.016284 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | -1 | G-RandomAccess ExeUpdates: | 2097152 | |
| RandomAccess N: | 131072 | |||
| FFT | ||||
| S-FFT: | 1.29676 GFlop/s | EP-FFT: | 1.34206 GFlop/s | |
| MPIFFT: | 2.22079 GFlop/s | MPIFFT N: | 65536 | |
| MPIFFT Max Error: | 0.00000000000000124127 | MPIFFT time0: | 0.000000953674 seconds | |
| MPIFFT time1: | 0.000445843 seconds | MPIFFT time2: | 0.000300169 seconds | |
| MPIFFT time3: | 0.000298977 seconds | MPIFFT time4: | 0.000813961 seconds | |
| MPIFFT time5: | 0.000444889 seconds | MPIFFT time6: | 0 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 6.52128 GFlop/s | EP-DGEMM: | 6.24325 GFlop/s | |
| DGEMM N: | 288 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 1.16348 usec | RandomRing Bandwidth: | 0.524351 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 1.19209 usec | NaturalRing Bandwidth: | 0.525693 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 0.804663 usec | Maximum PingPong Bandwidth: | 1.51351 GB/s | |
| Minimum PingPong Latency: | 0.745058 usec | Minimum PingPong Bandwidth: | 1.49917 GB/s | |
| Average PingPong Latency: | 0.761201 usec | Average PingPong Bandwidth: | 1.50591 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 | |