System Information | ||||
Affiliation: | NASA | URL: | NASA Ames Research Center | |
Location: | USA, California, Moffett Field | System Use: | Research | |
System Manufacturer: | SGI | System Name: | Columbia 2048 | |
Interconnect Manufacturer: | SGI | Interconnect Type: | NUMALINK 4 | |
Operating System: | SGI Pro Pack 4 based on SUSE Linux | MPI: | MPT 1.12.0.0 | |
MPI Wtick: | 0.00000005 | BLAS: | GOTO | |
Language: | C | Compiler: | icc 8.1.026 | |
Compiler Flags: | -O3 | Processor Type: | Intel Itanium 2 | |
Processor Speed: | 1.6 GHz | Total Processors: | 2048 | |
Processors Entered: | 2024 | Processors determined: | 2024 | |
Cores per chip: | 1 | HPL Processes: | 2024 | |
MPI Processes: | 2024 | Threads Entered: | 1 | |
Threads determined: | 1 | FLOPs per cycle: | 4 | |
Theoretical peak: | 12.9536 TFlop/s | Total memory: | GiB | |
FFT library: | ||||
HPL | ||||
HPL: | 9.31965 Tflop/s | HPL time: | 9950.91 | |
HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.0000000309936 | |
HPL Anorm1: | 129999 | HPL AnormI: | 135679 | |
HPL Xnorm1: | 1762910 | HPL XnormI: | 21.0252 | |
HPL N: | 518144 | HPL NB: | 128 | |
HPL NProw: | 46 | HPL NPcol: | 44 | |
HPL depth: | 1 | HPL NBdiv: | 2 | |
HPL NBmin: | 4 | HPL CPfact: | R | |
HPL CRfact: | C | HPL CPtop: | 0 | |
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: | 18.1901 GB/s | PTRANS time: | 29.5186 seconds | |
PTRANS residual: | 0 | PTRANS N: | 259072 | |
PTRANS NB: | 128 | PTRANS NProw: | 46 | |
PTRANS NPcol: | 44 |
STREAM | ||||
S-STREAM Copy: | 2.92618 GB/s | S-STREAM Scale: | 2.97306 GB/s | |
S-STREAM Add: | 3.56696 GB/s | S-STREAM Triad: | 3.56281 GB/s | |
EP-STREAM Copy: | 1.66792 GB/s | EP-STREAM Scale: | 1.66496 GB/s | |
EP-STREAM Add: | 1.96827 GB/s | EP-STREAM Triad: | 1.97554 GB/s | |
STREAM Vector Size: | 44214954 | STREAM Threads: | 1 |
RandomAccess | ||||
S-RandomAccess: | 0.00495115 Gup/s | EP-RandomAccess: | 0.00423159 Gup/s | |
G-RandomAccess: | 0.0491621 Gup/s | G-RandomAccess N: | 137438953472 | |
G-RandomAccess time: | 59.3606 seconds | G-RandomAccess Check Time: | 46.1582 seconds | |
G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
G-RandomAccess TimeBound: | 2487.73 | G-RandomAccess ExeUpdates: | 2918292256 | |
RandomAccess N: | 67108864 |
FFT | ||||
S-FFT: | 0.694878 GFlop/s | EP-FFT: | 0.577819 GFlop/s | |
MPIFFT: | 45.776 GFlop/s | MPIFFT N: | 8589934592 | |
MPIFFT Max Error: | 0.0000000000000021442 | MPIFFT time0: | 0.0000039 seconds | |
MPIFFT time1: | 11.3217 seconds | MPIFFT time2: | 1.58136 seconds | |
MPIFFT time3: | 8.72899 seconds | MPIFFT time4: | 3.10022 seconds | |
MPIFFT time5: | 6.0735 seconds | MPIFFT time6: | 0.00000355 seconds | |
FFTEnblk: | 16 | FFTEnp: | 8 | |
FFTEl2size: | 1048576 |
DGEMM | ||||
S-DGEMM: | 6.25739 GFlop/s | EP-DGEMM: | 6.23637 GFlop/s | |
DGEMM N: | 5758 |
RandomRing Latency/Bandwidth | ||||
RandomRing Latency: | 6.9812 usec | RandomRing Bandwidth: | 0.122712 GB/s |
NaturalRing Latency/Bandwidth | ||||
NaturalRing Latency: | 6.15 usec | NaturalRing Bandwidth: | 0.257503 GB/s |
PingPong Latency/Bandwidth | ||||
Maximum PingPong Latency: | 5.05937 usec | Maximum PingPong Bandwidth: | 1.38915 GB/s | |
Minimum PingPong Latency: | 2.67187 usec | Minimum PingPong Bandwidth: | 0.750532 GB/s | |
Average PingPong Latency: | 4.22981 usec | Average PingPong Bandwidth: | 0.895959 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: |