System Information | ||||
Affiliation: | San Diego Supercomputer Center | URL: | www.sdsc.edu | |
Location: | USA, California, San Diego | System Use: | Research | |
System Manufacturer: | IBM | System Name: | p655 | |
Interconnect Manufacturer: | IBM | Interconnect Type: | Federation | |
Operating System: | AIX 5.2 | MPI: | PE 4.2 | |
MPI Wtick: | 0.00000001333333 | BLAS: | ESSL 4.2 | |
Language: | C | Compiler: | xlc 7.0 | |
Compiler Flags: | -q64 -O4 -qnoipa | Processor Type: | IBM Power4+ | |
Processor Speed: | 1.5 GHz | Total Processors: | 0 | |
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: | 6.144 TFlop/s | Total memory: | GiB | |
FFT library: | ||||
HPL | ||||
HPL: | 3.11026 Tflop/s | HPL time: | 1714.78 | |
HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000467787 | |
HPL Anorm1: | 50269.7 | HPL AnormI: | 50175.8 | |
HPL Xnorm1: | 1098120 | HPL XnormI: | 29.6509 | |
HPL N: | 200000 | HPL NB: | 160 | |
HPL NProw: | 32 | HPL NPcol: | 32 | |
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: | 51.4248 GB/s | PTRANS time: | 0.388917 seconds | |
PTRANS residual: | 0 | PTRANS N: | 50000 | |
PTRANS NB: | 160 | PTRANS NProw: | 32 | |
PTRANS NPcol: | 32 |
STREAM | ||||
S-STREAM Copy: | 4.01384 GB/s | S-STREAM Scale: | 3.6166 GB/s | |
S-STREAM Add: | 4.61964 GB/s | S-STREAM Triad: | 4.4765 GB/s | |
EP-STREAM Copy: | 1.42239 GB/s | EP-STREAM Scale: | 1.35828 GB/s | |
EP-STREAM Add: | 1.6383 GB/s | EP-STREAM Triad: | 1.69266 GB/s | |
STREAM Vector Size: | 3255208 | STREAM Threads: | 1 |
RandomAccess | ||||
S-RandomAccess: | 0.0067331 Gup/s | EP-RandomAccess: | 0.00313453 Gup/s | |
G-RandomAccess: | 0.0983533 Gup/s | G-RandomAccess N: | 8589934592 | |
G-RandomAccess time: | 58.4539 seconds | G-RandomAccess Check Time: | 6.9582 seconds | |
G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
G-RandomAccess TimeBound: | 428.694 | G-RandomAccess ExeUpdates: | 5749136384 | |
RandomAccess N: | 8388608 |
FFT | ||||
S-FFT: | 0.756587 GFlop/s | EP-FFT: | 0.433944 GFlop/s | |
MPIFFT: | 82.1055 GFlop/s | MPIFFT N: | 1073741824 | |
MPIFFT Max Error: | 0.00000000000000210119 | MPIFFT time0: | 0.00000500679 seconds | |
MPIFFT time1: | 0.241024 seconds | MPIFFT time2: | 0.465557 seconds | |
MPIFFT time3: | 0.288431 seconds | MPIFFT time4: | 0.579292 seconds | |
MPIFFT time5: | 0.364469 seconds | MPIFFT time6: | 0.0000026226 seconds | |
FFTEnblk: | 16 | FFTEnp: | 8 | |
FFTEl2size: | 1048576 |
DGEMM | ||||
S-DGEMM: | 4.00669 GFlop/s | EP-DGEMM: | 3.72701 GFlop/s | |
DGEMM N: | 1562 |
RandomRing Latency/Bandwidth | ||||
RandomRing Latency: | 10.1294 usec | RandomRing Bandwidth: | 0.0902434 GB/s |
NaturalRing Latency/Bandwidth | ||||
NaturalRing Latency: | 7.41482 usec | NaturalRing Bandwidth: | 0.589761 GB/s |
PingPong Latency/Bandwidth | ||||
Maximum PingPong Latency: | 6.34789 usec | Maximum PingPong Bandwidth: | 1.51679 GB/s | |
Minimum PingPong Latency: | 4.79817 usec | Minimum PingPong Bandwidth: | 1.40336 GB/s | |
Average PingPong Latency: | 5.60087 usec | Average PingPong Bandwidth: | 1.47706 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: |