| System Information | ||||
| Affiliation: | MIT Lincoln Laboratory | URL: | http://www.ll.mit.edu/ | |
| Location: | USA, Massachusetts, Lexington | System Use: | Research | |
| System Manufacturer: | TopSpin/Cisco | System Name: | LLGrid TX2500 | |
| Interconnect Manufacturer: | TopSpin/Cisco | Interconnect Type: | InfiniBand | |
| Operating System: | Linux CentOS 4.4 kernel 2.6.9-42.0.2.ELsmp | MPI: | Open MPI 1.1.1 | |
| MPI Wtick: | 0.000001 | BLAS: | ATLAS 3 | |
| Language: | C | Compiler: | gcc 3.4.6 | |
| Compiler Flags: | -fomit-frame-pointer -O3 -funroll-loops -W -Wall | Processor Type: | Intel Xeon | |
| Processor Speed: | 3.2 GHz | Total Processors: | 832 | |
| Processors Entered: | 32 | Processors determined: | 32 | |
| Cores per chip: | 1 | HPL Processes: | 32 | |
| MPI Processes: | 32 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 0.2048 TFlop/s | Total memory: | 3328 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 0.11061 Tflop/s | HPL time: | 9369.13 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000246353 | |
| HPL Anorm1: | 29159.1 | HPL AnormI: | 29108.5 | |
| HPL Xnorm1: | 59958.6 | HPL XnormI: | 2.94574 | |
| HPL N: | 115840 | HPL NB: | 80 | |
| HPL NProw: | 4 | HPL NPcol: | 8 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 4 | HPL CPfact: | R | |
| HPL CRfact: | C | HPL CPtop: | 1 | |
| HPL order: | C | |||
| 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: | 5.39383 GB/s | PTRANS time: | 4.97565 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 57920 | |
| PTRANS NB: | 80 | PTRANS NProw: | 4 | |
| PTRANS NPcol: | 8 | |||
| STREAM | ||||
| S-STREAM Copy: | 2.46126 GB/s | S-STREAM Scale: | 2.37791 GB/s | |
| S-STREAM Add: | 2.89949 GB/s | S-STREAM Triad: | 2.90633 GB/s | |
| EP-STREAM Copy: | 2.48976 GB/s | EP-STREAM Scale: | 2.40292 GB/s | |
| EP-STREAM Add: | 2.93285 GB/s | EP-STREAM Triad: | 2.9381 GB/s | |
| STREAM Vector Size: | 139780266 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.01026 Gup/s | EP-RandomAccess: | 0.010226 Gup/s | |
| G-RandomAccess: | 0.0374365 Gup/s | G-RandomAccess N: | 8589934592 | |
| G-RandomAccess time: | 61.1606 seconds | G-RandomAccess Check Time: | 12.3622 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 2342.28 | G-RandomAccess ExeUpdates: | 2289637856 | |
| RandomAccess N: | 268435456 | |||
| FFT | ||||
| S-FFT: | 0.597388 GFlop/s | EP-FFT: | 0.598746 GFlop/s | |
| MPIFFT: | 4.27247 GFlop/s | MPIFFT N: | 1073741824 | |
| MPIFFT Max Error: | 0.00000000000000224803 | MPIFFT time0: | 0.00000286102 seconds | |
| MPIFFT time1: | 8.32171 seconds | MPIFFT time2: | 2.44442 seconds | |
| MPIFFT time3: | 7.48791 seconds | MPIFFT time4: | 10.3153 seconds | |
| MPIFFT time5: | 8.67627 seconds | MPIFFT time6: | 0.0000038147 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 4.87105 GFlop/s | EP-DGEMM: | 4.88048 GFlop/s | |
| DGEMM N: | 10238 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 6.74498 usec | RandomRing Bandwidth: | 0.481675 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 6.69956 usec | NaturalRing Bandwidth: | 0.524034 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 7.80821 usec | Maximum PingPong Bandwidth: | 0.672622 GB/s | |
| Minimum PingPong Latency: | 4.93228 usec | Minimum PingPong Bandwidth: | 0.546525 GB/s | |
| Average PingPong Latency: | 6.53434 usec | Average PingPong Bandwidth: | 0.652744 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: | 4000 | MemSpec: | 3 | |
| MemVal: | 4000 | |||
| CPS | ||||
| CPS_HPCC_FFT_235: | CPS_HPCC_FFTW_ESTIMATE: | |||
| CPS_HPCC_MEMALLCTR: | CPS_HPL_USE_GETPROCESSTIMES: | |||
| CPS_RA_SANDIA_NOPT: | CPS_RA_SANDIA_OPT2: | |||