| System Information | ||||
| Affiliation: | IBM | URL: | www.ibm.com | |
| Location: | USA, New York, Poughkeepsie | System Use: | Vendor | |
| System Manufacturer: | IBM | System Name: | P5 P575+ | |
| Interconnect Manufacturer: | IBM | Interconnect Type: | HPS | |
| Operating System: | aix 5.3 | MPI: | poe 4.2.2.3 | |
| MPI Wtick: | 0.00000001333333 | BLAS: | ESSL 4.2 | |
| Language: | C | Compiler: | xlc 7.0 | |
| Compiler Flags: | -O3 -qarch=pwr5 -qtune=pwr5 | Processor Type: | IBM Power5+ | |
| Processor Speed: | 2.2 GHz | Total Processors: | 128 | |
| Processors Entered: | 128 | Processors determined: | 128 | |
| Cores per chip: | 1 | HPL Processes: | 128 | |
| MPI Processes: | 128 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 4 | |
| Theoretical peak: | 1.1264 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| Explain Optimizations: | ||||
| For STREAM, added pragmas specifying the three primary arrays as disjoint. For RandomAccess, utilized 1024 address look-ahead feature in specification (written in C++). See paper submitted by Carl Lebsack and Swamy Kandadai for class 2 HPC Challenge competition | ||||
| HPL | ||||
| HPL: | 0.990876 Tflop/s | HPL time: | 1411 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000517444 | |
| HPL Anorm1: | 32221 | HPL AnormI: | 33002.1 | |
| HPL Xnorm1: | 1285400 | HPL XnormI: | 54.0133 | |
| HPL N: | 128000 | HPL NB: | 125 | |
| HPL NProw: | 8 | HPL NPcol: | 16 | |
| 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: | 89.9911 GB/s | PTRANS time: | 0.364125 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 64000 | |
| PTRANS NB: | 125 | PTRANS NProw: | 8 | |
| PTRANS NPcol: | 16 | |||
| STREAM | ||||
| S-STREAM Copy: | 11.4297 GB/s | S-STREAM Scale: | 11.4001 GB/s | |
| S-STREAM Add: | 13.3061 GB/s | S-STREAM Triad: | 12.7463 GB/s | |
| EP-STREAM Copy: | 9.69657 GB/s | EP-STREAM Scale: | 9.35327 GB/s | |
| EP-STREAM Add: | 12.056 GB/s | EP-STREAM Triad: | 11.9664 GB/s | |
| STREAM Vector Size: | 42666666 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0232351 Gup/s | EP-RandomAccess: | 0.023173 Gup/s | |
| G-RandomAccess: | 0.438684 Gup/s | G-RandomAccess N: | 8589934592 | |
| G-RandomAccess time: | 34.6615 seconds | G-RandomAccess Check Time: | 13.0816 seconds | |
| G-RandomAccess Errors: | 234055359 | G-RandomAccess Errors Fraction: | 0.0272476 | |
| G-RandomAccess TimeBound: | 352.75 | G-RandomAccess ExeUpdates: | 15205446912 | |
| RandomAccess N: | 67108864 | |||
| FFT | ||||
| S-FFT: | 0.748761 GFlop/s | EP-FFT: | 0.758467 GFlop/s | |
| MPIFFT: | 41.4806 GFlop/s | MPIFFT N: | 1073741824 | |
| MPIFFT Max Error: | 0.00000000000000168007 | MPIFFT time0: | 0.00000238419 seconds | |
| MPIFFT time1: | 0.789526 seconds | MPIFFT time2: | 0.543283 seconds | |
| MPIFFT time3: | 0.628243 seconds | MPIFFT time4: | 0.935729 seconds | |
| MPIFFT time5: | 0.957404 seconds | MPIFFT time6: | 0.000000715256 seconds | |
| FFTEnblk: | 8 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 8.46901 GFlop/s | EP-DGEMM: | 8.46252 GFlop/s | |
| DGEMM N: | 5656 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 9.67481 usec | RandomRing Bandwidth: | 0.218117 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 6.96182 usec | NaturalRing Bandwidth: | 0.32586 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 3.94881 usec | Maximum PingPong Bandwidth: | 7.23468 GB/s | |
| Minimum PingPong Latency: | 1.19209 usec | Minimum PingPong Bandwidth: | 3.54548 GB/s | |
| Average PingPong Latency: | 3.62916 usec | Average PingPong Bandwidth: | 3.7622 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: | 200203 | OpenMP Num Threads: | 1 | |
| OpenMP Num Procs: | 16 | OpenMP Max Threads: | 1 | |
| 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: | |||