| 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: | 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: | 0.5632 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: | 0.491768 Tflop/s | HPL time: | 988.295 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000178209 | |
| HPL Anorm1: | 22667.8 | HPL AnormI: | 22663.9 | |
| HPL Xnorm1: | 58961.3 | HPL XnormI: | 4.21065 | |
| HPL N: | 90000 | HPL NB: | 125 | |
| 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: | 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: | 44.2995 GB/s | PTRANS time: | 0.365692 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 45000 | |
| PTRANS NB: | 125 | PTRANS NProw: | 8 | |
| PTRANS NPcol: | 8 | |||
| STREAM | ||||
| S-STREAM Copy: | 9.20587 GB/s | S-STREAM Scale: | 10.7308 GB/s | |
| S-STREAM Add: | 11.0561 GB/s | S-STREAM Triad: | 12.7902 GB/s | |
| EP-STREAM Copy: | 8.76679 GB/s | EP-STREAM Scale: | 9.3502 GB/s | |
| EP-STREAM Add: | 11.2288 GB/s | EP-STREAM Triad: | 11.9555 GB/s | |
| STREAM Vector Size: | 42187500 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0232273 Gup/s | EP-RandomAccess: | 0.0232276 Gup/s | |
| G-RandomAccess: | 0.264051 Gup/s | G-RandomAccess N: | 4294967296 | |
| G-RandomAccess time: | 31.3263 seconds | G-RandomAccess Check Time: | 12.5329 seconds | |
| G-RandomAccess Errors: | 113287899 | G-RandomAccess Errors Fraction: | 0.0263769 | |
| G-RandomAccess TimeBound: | 247.074 | G-RandomAccess ExeUpdates: | 8271738624 | |
| RandomAccess N: | 67108864 | |||
| FFT | ||||
| S-FFT: | 0.748997 GFlop/s | EP-FFT: | 0.756198 GFlop/s | |
| MPIFFT: | 23.2469 GFlop/s | MPIFFT N: | 536870912 | |
| MPIFFT Max Error: | 0.00000000000000166903 | MPIFFT time0: | 0.00000143051 seconds | |
| MPIFFT time1: | 0.616287 seconds | MPIFFT time2: | 0.541744 seconds | |
| MPIFFT time3: | 0.481025 seconds | MPIFFT time4: | 0.942888 seconds | |
| MPIFFT time5: | 0.738086 seconds | MPIFFT time6: | 0.000000953674 seconds | |
| FFTEnblk: | 8 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 8.37672 GFlop/s | EP-DGEMM: | 8.39101 GFlop/s | |
| DGEMM N: | 5625 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 8.98696 usec | RandomRing Bandwidth: | 0.269227 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 5.76973 usec | NaturalRing Bandwidth: | 0.457469 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 3.94881 usec | Maximum PingPong Bandwidth: | 7.17588 GB/s | |
| Minimum PingPong Latency: | 1.19209 usec | Minimum PingPong Bandwidth: | 3.55676 GB/s | |
| Average PingPong Latency: | 3.47662 usec | Average PingPong Bandwidth: | 3.92745 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: | |||