| System Information | ||||
| Affiliation: | Argonne Leadership Computing Facility/Argonne National Laboratory | URL: | https://www.alcf.anl.gov | |
| Location: | USA, Illinois, Argonne | System Use: | Research | |
| System Manufacturer: | IBM | System Name: | Blue Gene/Q (MIRA) | |
| Interconnect Manufacturer: | IBM | Interconnect Type: | BGQ 5D TORUS | |
| Operating System: | Linux CNK | MPI: | MPICH2 version 1.5 | |
| MPI Wtick: | 0.000000000625 | BLAS: | ESSL 5.1 | |
| Language: | C | Compiler: | IBM XL C/C++ for Blue Gene, V12.1 | |
| Compiler Flags: | -O5 -qstrict -qarch=qp -qtune=qp -qipa -qsimd=auto -qthreaded -qsmp=omp | Processor Type: | IBM PowerPC A2 | |
| Processor Speed: | 1.6 GHz | Total Processors: | 49152 | |
| Processors Entered: | 49152 | Processors determined: | 3145728 | |
| Cores per chip: | 16 | HPL Processes: | 49152 | |
| MPI Processes: | 49152 | Threads Entered: | 64 | |
| Threads determined: | 64 | FLOPs per cycle: | ||
| Theoretical peak: | 10066 TFlop/s | Total memory: | 786432 GiB | |
| FFT library: | ||||
| HPL | ||||
| HPL: | 1005.95 Tflop/s | HPL time: | 3968.59 | |
| HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.000000179022 | |
| HPL Anorm1: | 455009 | HPL AnormI: | 454926 | |
| HPL Xnorm1: | 2709710 | HPL XnormI: | 10.4693 | |
| HPL N: | 1815936 | HPL NB: | 256 | |
| HPL NProw: | 128 | HPL NPcol: | 384 | |
| HPL depth: | 0 | HPL NBdiv: | 2 | |
| HPL NBmin: | 8 | HPL CPfact: | C | |
| HPL CRfact: | R | HPL CPtop: | 5 | |
| 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: | 5702.53 GB/s | PTRANS time: | 1.06579 seconds | |
| PTRANS residual: | 0 | PTRANS N: | 907968 | |
| PTRANS NB: | 256 | PTRANS NProw: | 128 | |
| PTRANS NPcol: | 384 | |||
| STREAM | ||||
| S-STREAM Copy: | 27.4787 GB/s | S-STREAM Scale: | 27.198 GB/s | |
| S-STREAM Add: | 27.8028 GB/s | S-STREAM Triad: | 28.1807 GB/s | |
| EP-STREAM Copy: | 27.4253 GB/s | EP-STREAM Scale: | 27.0993 GB/s | |
| EP-STREAM Add: | 27.689 GB/s | EP-STREAM Triad: | 27.9926 GB/s | |
| STREAM Vector Size: | 22363441 | STREAM Threads: | 64 | |
| RandomAccess | ||||
| S-RandomAccess: | 0.00269327 Gup/s | EP-RandomAccess: | 0.00268959 Gup/s | |
| G-RandomAccess: | 3.73214 Gup/s | G-RandomAccess N: | 2199023255552 | |
| G-RandomAccess time: | 65.4049 seconds | G-RandomAccess Check Time: | 12.4611 seconds | |
| G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
| G-RandomAccess TimeBound: | 60 | G-RandomAccess ExeUpdates: | 244099891200 | |
| RandomAccess N: | 33554432 | |||
| FFT | ||||
| S-FFT: | 4.7694 GFlop/s | EP-FFT: | 4.77041 GFlop/s | |
| MPIFFT: | 21517.8 GFlop/s | MPIFFT N: | 391378894848 | |
| MPIFFT Max Error: | 0.00000000000000355002 | MPIFFT time0: | 0.00000530125 seconds | |
| MPIFFT time1: | 0.793714 seconds | MPIFFT time2: | 0.125757 seconds | |
| MPIFFT time3: | 0.84271 seconds | MPIFFT time4: | 0.789192 seconds | |
| MPIFFT time5: | 0.843612 seconds | MPIFFT time6: | 0.00000217813 seconds | |
| FFTEnblk: | 16 | FFTEnp: | 8 | |
| FFTEl2size: | 1048576 | |||
| DGEMM | ||||
| S-DGEMM: | 128.261 GFlop/s | EP-DGEMM: | 130.656 GFlop/s | |
| DGEMM N: | 4728 | |||
| RandomRing Latency/Bandwidth | ||||
| RandomRing Latency: | 5.33611 usec | RandomRing Bandwidth: | 0.170946 GB/s | |
| NaturalRing Latency/Bandwidth | ||||
| NaturalRing Latency: | 4.24162 usec | NaturalRing Bandwidth: | 2.25694 GB/s | |
| PingPong Latency/Bandwidth | ||||
| Maximum PingPong Latency: | 5.60258 usec | Maximum PingPong Bandwidth: | 1.74766 GB/s | |
| Minimum PingPong Latency: | 3.73211 usec | Minimum PingPong Bandwidth: | 1.50554 GB/s | |
| Average PingPong Latency: | 4.64469 usec | Average PingPong Bandwidth: | 1.63707 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: | 201107 | OpenMP Num Threads: | 64 | |
| OpenMP Num Procs: | 64 | OpenMP Max Threads: | 64 | |
| Memory | ||||
| MemProc: | -1 | MemSpec: | -1 | |
| MemVal: | -1 | |||
| CPS | ||||
| CPS_HPCC_FFT_235: | 1 | CPS_HPCC_FFTW_ESTIMATE: | 0 | |
| CPS_HPCC_MEMALLCTR: | 0 | CPS_HPL_USE_GETPROCESSTIMES: | 0 | |
| CPS_RA_SANDIA_NOPT: | 0 | CPS_RA_SANDIA_OPT2: | 0 | |