| System Information | ||||
| Affiliation: | IBM Corporation | URL: | www.ibm.com | |
| Location: | USA, New York, Poughkeepsie | System Use: | Vendor | |
| System Manufacturer: | IBM | System Name: | p575 cluster | |
| Interconnect Manufacturer: | IBM Corporation | Interconnect Type: | HPS | |
| Operating System: | AIX 5.2.0.61 | MPI: | POE 4.2.0.2 | |
| MPI Wtick: | 0.00000001333333 | BLAS: | ESSL Version 4.2 | |
| Language: | C | Compiler: | IBM XLC Compiler 7.0.0.2 | |
| Compiler Flags: | -O3 -qarch=pwr5 -qtune=pwr5 -q64 | Processor Type: | IBM Power5 | |
| Processor Speed: | 1.9 GHz | Total Processors: | 64 | |
| Processors Entered: | 64 | Processors determined: | 64 | |
| Cores per chip: | 1 | HPL Processes: | 64 | |
| MPI Processes: | 64 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 4 | |
| Theoretical peak: | 486.4 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.408416 Tflop/s | HPL time: | 716.571 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000811581 | |
| HPL Anorm1: | 19174.9 | HPL AnormI: | 19152.8 | |
| HPL Xnorm1: | 2847800 | HPL XnormI: | 215.631 | |
| HPL N: | 76000 | HPL NB: | 256 | |
| HPL NProw: | 8 | HPL NPcol: | 8 | |
| 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: | 1.175494e-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: | 2.225074e-308 | 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: | 9.38665 GB/s | PTRANS time: | 1.23068 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 38000 | |
| PTRANS NB: | 256 | PTRANS NProw: | 8 | |
| PTRANS NPcol: | 8 | |||
| STREAM | ||||
| S-STREAM Copy: | 4.79505 GB/s | S-STREAM Scale: | 4.77261 GB/s | |
| S-STREAM Add: | 5.39316 GB/s | S-STREAM Triad: | 5.44865 GB/s | |
| EP-STREAM Copy: | 4.76543 GB/s | EP-STREAM Scale: | 4.73556 GB/s | |
| EP-STREAM Add: | 5.37527 GB/s | EP-STREAM Triad: | 5.42589 GB/s | |
| STREAM Vector Size: | 30083333 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.01635 Gup/s | EP-RandomAccess: | 0.0164026 Gup/s | |
| G-RandomAccess: | 0.0195526 Gup/s | G-RandomAccess N: | 4294967296 | |
| G-RandomAccess time: | 59.9987 seconds | G-RandomAccess Check Time: | 2.18237 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 179.143 | G-RandomAccess ExeUpdates: | 1173128704 | |
| RandomAccess N: | 67108864 | |||
| FFT | ||||
| S-FFT: | 0.671004 GFlop/s | EP-FFT: | 0.670653 GFlop/s | |
| MPIFFT: | 20.9185 GFlop/s | MPIFFT N: | 536870912 | |
| MPIFFT Max Error: | 0.00000000000000233615 | MPIFFT time0: | 0.0000038147 seconds | |
| MPIFFT time1: | 0.547233 seconds | MPIFFT time2: | 0.569567 seconds | |
| MPIFFT time3: | 0.395409 seconds | MPIFFT time4: | 1.40756 seconds | |
| MPIFFT time5: | 0.743272 seconds | MPIFFT time6: | 0.00000143051 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 7.2408 GFlop/s | EP-DGEMM: | 7.23638 GFlop/s | |
| DGEMM N: | 4750 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 6.63415 usec | RandomRing Bandwidth: | 0.24457 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 4.50611 usec | NaturalRing Bandwidth: | 1.74954 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 4.58956 usec | Maximum PingPong Bandwidth: | 6.13875 GB/s | |
| Minimum PingPong Latency: | 1.71363 usec | Minimum PingPong Bandwidth: | 1.73247 GB/s | |
| Average PingPong Latency: | 4.1472 usec | Average PingPong Bandwidth: | 2.10721 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: | CPS_HPCC_FFTW_ESTIMATE: | |||
| CPS_HPCC_MEMALLCTR: | CPS_HPL_USE_GETPROCESSTIMES: | |||
| CPS_RA_SANDIA_NOPT: | CPS_RA_SANDIA_OPT2: | |||