| System Information | ||||
| Affiliation: | Blue Gene Computational Center at IBM T.J. Watson Research Center | URL: | http://www.research.ibm.com/bluegene/ | |
| Location: | USA, New York, Yorktown Heights | System Use: | Research | |
| System Manufacturer: | IBM | System Name: | Blue Gene/L | |
| Interconnect Manufacturer: | IBM | Interconnect Type: | Custom | |
| Operating System: | Linux/Custom CNK (Compute Node Kernel) | MPI: | MPICH 1.0 customized for Blue Gene/L | |
| MPI Wtick: | 0.000003 | BLAS: | Pre-Release 0.405 | |
| Language: | C | Compiler: | xlc 7.0 | |
| Compiler Flags: | -O3 -qarch=440d -qtune=440/-O5 -qarch=440d -qtune=440 -qdebug=nhummer:nsimd [Ed.:R3compile/STREAM&Link] | Processor Type: | IBM PowerPC 440 | |
| Processor Speed: | 0.7 GHz | Total Processors: | 1024 | |
| Processors Entered: | 1024 | Processors determined: | 1024 | |
| Cores per chip: | 2 | HPL Processes: | 1024 | |
| MPI Processes: | 1024 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 4 | |
| Theoretical peak: | 2.8672 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| Explain Optimizations: | ||||
| Use of unreleased BLAS | ||||
| HPL | ||||
| HPL: | 1.42014 Tflop/s | HPL time: | 634.977 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000243842 | |
| HPL Anorm1: | 27839.6 | HPL AnormI: | 31104.1 | |
| HPL Xnorm1: | 78762.8 | HPL XnormI: | 4.65646 | |
| HPL N: | 110592 | HPL NB: | 192 | |
| HPL NProw: | 32 | HPL NPcol: | 32 | |
| HPL depth: | 1 | HPL NBdiv: | 12 | |
| HPL NBmin: | 12 | HPL CPfact: | R | |
| HPL CRfact: | R | HPL CPtop: | 0 | |
| HPL order: | R | |||
| HPL dMach EPS: | HPL sMach EPS: | |||
| HPL dMach sfMin: | HPL sMach sfMin: | |||
| HPL dMach Base: | HPL sMach Base: | |||
| HPL dMach Prec: | HPL sMach Prec: | |||
| HPL dMach mLen: | HPL sMach mLen: | |||
| HPL dMach Rnd: | HPL sMach Rnd: | |||
| HPL dMach eMin: | HPL sMach eMin: | |||
| HPL dMach rMin: | HPL sMach rMin: | |||
| HPL dMach eMax: | HPL sMach eMax: | |||
| HPL dMach rMax: | HPL sMach rMax: | |||
| dweps: | sweps: | |||
| PTRANS | ||||
| PTRANS: | 27.9939 GB/s | PTRANS time: | 0.873805 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 55296 | |
| PTRANS NB: | 192 | PTRANS NProw: | 32 | |
| PTRANS NPcol: | 32 | |||
| STREAM | ||||
| S-STREAM Copy: | 1.29455 GB/s | S-STREAM Scale: | 1.31264 GB/s | |
| S-STREAM Add: | 1.42154 GB/s | S-STREAM Triad: | 1.41017 GB/s | |
| EP-STREAM Copy: | 0.717607 GB/s | EP-STREAM Scale: | 0.72193 GB/s | |
| EP-STREAM Add: | 0.815341 GB/s | EP-STREAM Triad: | 0.842652 GB/s | |
| STREAM Vector Size: | 3981312 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.00668671 Gup/s | EP-RandomAccess: | 0.00408259 Gup/s | |
| G-RandomAccess: | 0.134729 Gup/s | G-RandomAccess N: | 16777200 | |
| G-RandomAccess time: | 0.498104 seconds | G-RandomAccess Check Time: | 2.35354 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | G-RandomAccess ExeUpdates: | |||
| RandomAccess N: | 8388610 | |||
| FFT | ||||
| S-FFT: | 0.228908 GFlop/s | EP-FFT: | 0.215983 GFlop/s | |
| MPIFFT: | 49.934 GFlop/s | MPIFFT N: | 1073740000 | |
| MPIFFT Max Error: | 0.00000000000000184157 | MPIFFT time0: | 0.000008 seconds | |
| MPIFFT time1: | 0.66146 seconds | MPIFFT time2: | 0.517563 seconds | |
| MPIFFT time3: | 0.668485 seconds | MPIFFT time4: | 0.617708 seconds | |
| MPIFFT time5: | 0.760241 seconds | MPIFFT time6: | 0.000008 seconds | |
| FFTEnblk: | FFTEnp: | |||
| FFTEl2size: | ||||
| DGEMM | ||||
| S-DGEMM: | 2.54904 GFlop/s | EP-DGEMM: | 2.46669 GFlop/s | |
| DGEMM N: | 1728 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 4.82971 usec | RandomRing Bandwidth: | 0.0345521 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 4.4 usec | NaturalRing Bandwidth: | 0.0939651 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 4.25 usec | Maximum PingPong Bandwidth: | 0.158951 GB/s | |
| Minimum PingPong Latency: | 3 usec | Minimum PingPong Bandwidth: | 0.158894 GB/s | |
| Average PingPong Latency: | 3.61297 usec | Average PingPong Bandwidth: | 0.158932 GB/s | |
| Size of Data Types | ||||
| char: | 1 byte | short: | 2 bytes | |
| int: | 4 bytes | long: | 4 bytes | |
| void ptr: | 4 bytes | float: | 4 bytes | |
| double: | 8 bytes | size t: | bytes | |
| s64Int: | bytes | u64Int: | bytes | |
| OpenMP | ||||
| M OpenMP: | OpenMP Num Threads: | |||
| OpenMP Num Procs: | OpenMP Max Threads: | |||
| Memory | ||||
| MemProc: | MemSpec: | |||
| MemVal: | ||||
| CPS | ||||
| CPS_HPCC_FFT_235: | CPS_HPCC_FFTW_ESTIMATE: | |||
| CPS_HPCC_MEMALLCTR: | CPS_HPL_USE_GETPROCESSTIMES: | |||
| CPS_RA_SANDIA_NOPT: | CPS_RA_SANDIA_OPT2: | |||