System Information | ||||
Affiliation: | DOE/NNSA/Sandia National Laboratories | URL: | http://www.sandia.gov | |
Location: | USA, New Mexico, Albuquerque | System Use: | Government | |
System Manufacturer: | Cray Inc. | System Name: | Red Storm/XT3 | |
Interconnect Manufacturer: | Cray | Interconnect Type: | Seastar | |
Operating System: | Catamount/XT 1.5.39 | MPI: | xt-mpt/1.5.39 based on MPICH 2.0 | |
MPI Wtick: | 0.000001 | BLAS: | ACML 3.6.1 | |
Language: | C | Compiler: | PGI 6.1.4 and gcc 3.3.3 | |
Compiler Flags: | -O3 -fastsse -DLONG_IS_64BITS; -O3 -DLONG_IS_64BITS -fomit-frame-pointer -fstrict-aliasing -mpreferred-stack-boundary=4 (gcc - Random); -Mnontemporal -Mprefetch=distance:8,nta -Msafeptr -O3 -fastsse -DLONG_IS_64BITS (STREAMS) | Processor Type: | AMD Opteron | |
Processor Speed: | 2.4 GHz | Total Processors: | 12960 | |
Processors Entered: | 12800 | Processors determined: | 25600 | |
Cores per chip: | 2 | HPL Processes: | 25600 | |
MPI Processes: | 25600 | Threads Entered: | 1 | |
Threads determined: | 1 | FLOPs per cycle: | 2 | |
Theoretical peak: | 124.4 TFlop/s | Total memory: | 40130 GiB | |
FFT library: | ||||
Explain Optimizations: | ||||
Random Access documented at http://www.cs.sandia.gov/~sjplimp/algorithms.html#gups and PTRANS used an optimal node placement through the use of enviroment variables without code change. |
HPL | ||||
HPL: | 93.5793 Tflop/s | HPL time: | 7124.1 | |
HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000021594 | |
HPL Anorm1: | 250584 | HPL AnormI: | 250563 | |
HPL Xnorm1: | 2263160 | HPL XnormI: | 14.4748 | |
HPL N: | 1000000 | HPL NB: | 64 | |
HPL NProw: | 160 | HPL NPcol: | 160 | |
HPL depth: | 0 | HPL NBdiv: | 2 | |
HPL NBmin: | 8 | HPL CPfact: | C | |
HPL CRfact: | C | HPL CPtop: | 5 | |
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: | 4993.64 GB/s | PTRANS time: | 0.40051 seconds | |
PTRANS residual: | 0 | PTRANS N: | 500000 | |
PTRANS NB: | 34 | PTRANS NProw: | 160 | |
PTRANS NPcol: | 160 |
STREAM | ||||
S-STREAM Copy: | 4.77642 GB/s | S-STREAM Scale: | 4.81395 GB/s | |
S-STREAM Add: | 4.82647 GB/s | S-STREAM Triad: | 4.84615 GB/s | |
EP-STREAM Copy: | 2.86434 GB/s | EP-STREAM Scale: | 2.87149 GB/s | |
EP-STREAM Add: | 2.89225 GB/s | EP-STREAM Triad: | 3.01296 GB/s | |
STREAM Vector Size: | 13020833 | STREAM Threads: | 1 |
RandomAccess | ||||
S-RandomAccess: | 0.0159849 Gup/s | EP-RandomAccess: | 0.00904712 Gup/s | |
G-RandomAccess: | 33.563 Gup/s | G-RandomAccess N: | 549755813888 | |
G-RandomAccess time: | 65.5192 seconds | G-RandomAccess Check Time: | 301.97 seconds | |
G-RandomAccess Errors: | 24116253 | G-RandomAccess Errors Fraction: | 0.0000438672 | |
G-RandomAccess TimeBound: | 0 | G-RandomAccess ExeUpdates: | 2199023255552 | |
RandomAccess N: | 33554432 |
FFT | ||||
S-FFT: | 0.722327 GFlop/s | EP-FFT: | 0.618219 GFlop/s | |
MPIFFT: | 1515.42 GFlop/s | MPIFFT N: | 68719476736 | |
MPIFFT Max Error: | 0.00000000000000211398 | MPIFFT time0: | 0.000000953674 seconds | |
MPIFFT time1: | 1.72398 seconds | MPIFFT time2: | 0.862794 seconds | |
MPIFFT time3: | 1.60717 seconds | MPIFFT time4: | 1.55204 seconds | |
MPIFFT time5: | 2.31261 seconds | MPIFFT time6: | 0.00000190735 seconds | |
FFTEnblk: | 16 | FFTEnp: | 8 | |
FFTEl2size: | 1048576 |
DGEMM | ||||
S-DGEMM: | 4.40924 GFlop/s | EP-DGEMM: | 4.4043 GFlop/s | |
DGEMM N: | 3125 |
RandomRing Latency/Bandwidth | ||||
RandomRing Latency: | 19.2529 usec | RandomRing Bandwidth: | 0.0424062 GB/s |
NaturalRing Latency/Bandwidth | ||||
NaturalRing Latency: | 19.1927 usec | NaturalRing Bandwidth: | 0.0571159 GB/s |
PingPong Latency/Bandwidth | ||||
Maximum PingPong Latency: | 10.252 usec | Maximum PingPong Bandwidth: | 2.09768 GB/s | |
Minimum PingPong Latency: | 5.24521 usec | Minimum PingPong Bandwidth: | 1.97728 GB/s | |
Average PingPong Latency: | 7.44585 usec | Average PingPong Bandwidth: | 2.02478 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: |