| System Information | ||||
| Affiliation: | Oak Ridge National Laboratory, DOE Office of Science | URL: | www.ornl.ccs.gov | |
| Location: | USA, Tennessee | System Use: | Research | |
| System Manufacturer: | Cray Inc. | System Name: | XT3 | |
| Interconnect Manufacturer: | Cray Inc | Interconnect Type: | Cray Seastar | |
| Operating System: | xt-catamount/1.3.07 | MPI: | xt-mpt/1.3.07 | |
| MPI Wtick: | 0.000001 | BLAS: | xt-libsci/1.3.07 | |
| Language: | C | Compiler: | pgi/6.0.4 | |
| Compiler Flags: | -fastsse -Minfo=loop -Mneginfo=loop -Mlist -DLONG_IS_64BITS | Processor Type: | AMD Opteron | |
| Processor Speed: | 2.4 GHz | Total Processors: | 5212 | |
| Processors Entered: | 5208 | Processors determined: | 5208 | |
| Cores per chip: | 1 | HPL Processes: | 5208 | |
| MPI Processes: | 5208 | Threads Entered: | 1 | |
| Threads determined: | 1 | FLOPs per cycle: | 2 | |
| Theoretical peak: | 24.998 TFlop/s | Total memory: | GiB | |
| FFT library: | ||||
| Explain Optimizations: | ||||
| Assembly version of Stream Fortran version of MPIFFT | ||||
| HPL | ||||
| HPL: | 20.4163 Tflop/s | HPL time: | 12242.9 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000990045 | |
| HPL Anorm1: | 180774 | HPL AnormI: | 180730 | |
| HPL Xnorm1: | 1141000 | HPL XnormI: | 9.85546 | |
| HPL N: | 721080 | HPL NB: | 60 | |
| HPL NProw: | 62 | HPL NPcol: | 84 | |
| HPL depth: | 1 | HPL NBdiv: | 2 | |
| HPL NBmin: | 4 | HPL CPfact: | R | |
| HPL CRfact: | R | 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: | 942.252 GB/s | PTRANS time: | 1.10365 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 360540 | |
| PTRANS NB: | 20 | PTRANS NProw: | 62 | |
| PTRANS NPcol: | 84 | |||
| STREAM | ||||
| S-STREAM Copy: | 5.68883 GB/s | S-STREAM Scale: | 4.82024 GB/s | |
| S-STREAM Add: | 4.67038 GB/s | S-STREAM Triad: | 5.6262 GB/s | |
| EP-STREAM Copy: | 5.65538 GB/s | EP-STREAM Scale: | 4.81561 GB/s | |
| EP-STREAM Add: | 4.72373 GB/s | EP-STREAM Triad: | 5.62952 GB/s | |
| STREAM Vector Size: | 33278976 | STREAM Threads: | 1 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.0196075 Gup/s | EP-RandomAccess: | 0.0196054 Gup/s | |
| G-RandomAccess: | 0.660046 Gup/s | G-RandomAccess N: | 274877906944 | |
| G-RandomAccess time: | 60.4746 seconds | G-RandomAccess Check Time: | 9.15725 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 3060.72 | G-RandomAccess ExeUpdates: | 39915997296 | |
| RandomAccess N: | 67108864 | |||
| FFT | ||||
| S-FFT: | 0.593984 GFlop/s | EP-FFT: | 0.593613 GFlop/s | |
| MPIFFT: | 779.428 GFlop/s | MPIFFT N: | 34359738368 | |
| MPIFFT Max Error: | 0.00000000000000219813 | MPIFFT time0: | 0 seconds | |
| MPIFFT time1: | 0 seconds | MPIFFT time2: | 0 seconds | |
| MPIFFT time3: | 0 seconds | MPIFFT time4: | 0 seconds | |
| MPIFFT time5: | 0 seconds | MPIFFT time6: | 0 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 4.41282 GFlop/s | EP-DGEMM: | 4.4129 GFlop/s | |
| DGEMM N: | 4995 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 9.32972 usec | RandomRing Bandwidth: | 0.204742 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 8.51154 usec | NaturalRing Bandwidth: | 0.578495 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 8.50856 usec | Maximum PingPong Bandwidth: | 1.15212 GB/s | |
| Minimum PingPong Latency: | 6.3777 usec | Minimum PingPong Bandwidth: | 1.14842 GB/s | |
| Average PingPong Latency: | 7.3681 usec | Average PingPong Bandwidth: | 1.15039 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: | |||