HPC Challenge Benchmark Record

System Information
Affiliation:   TOHOKU UNIVERSITY   URL:   http://www.cc.tohoku.ac.jp/english/
Location:   Japan, SENDAI   System Use:   Academic
System Manufacturer:   NEC   System Name:   SX-9
Interconnect Manufacturer:   NEC   Interconnect Type:   IXS
Operating System:   SuperUX R18.1   MPI:   MPI/SX 8.0.0/ISC
MPI Wtick:   0.000000000625   BLAS:   MathKeisan 3.0
Language:   C   Compiler:   C++/SX Rev.083.1
Compiler Flags:   -Caopt -gmalloc -size_t64 -O,restrict=arg -pi,auto -pvctl,noloopchg,vwork=stack,delinearize,nodep   Processor Type:   NEC SX-9
Processor Speed:   3.2 GHz   Total Processors:   256
Processors Entered:   256   Processors determined:   256
Cores per chip:   1   HPL Processes:   256
MPI Processes:   256   Threads Entered:   1
Threads determined:   1   FLOPs per cycle:  
Theoretical peak:   26.2 TFlop/s   Total memory:   16384 GiB
FFT library:   FFTE version 4.0/ISC  
Explain Optimizations:

Extend loop length, add some compiler directives (SN/EP RA), vectorization (HPL,G-RA), add MPI_Barrier(PTRANS)


HPL
HPL:   20.1884 Tflop/s   HPL time:   4759.9
HPL eps:   1.11022e-16   HPL Rnorm1:   0.0000000449123
HPL Anorm1:   131505   HPL AnormI:   131398
HPL Xnorm1:   328118   HPL XnormI:   3.57104
HPL N:   524320   HPL NB:   64
HPL NProw:   16   HPL NPcol:   16
HPL depth:   1   HPL NBdiv:   2
HPL NBmin:   32   HPL CPfact:   R
HPL CRfact:   R   HPL CPtop:   0
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:   778.819 GB/s   PTRANS time:   0.675059 seconds
PTRANS residual:   0   PTRANS N:   262160
PTRANS NB:   145   PTRANS NProw:   16
PTRANS NPcol:   16

STREAM
S-STREAM Copy:   201.795 GB/s   S-STREAM Scale:   201.609 GB/s
S-STREAM Add:   223.929 GB/s   S-STREAM Triad:   224.168 GB/s
EP-STREAM Copy:   169.543 GB/s   EP-STREAM Scale:   170.782 GB/s
EP-STREAM Add:   166.082 GB/s   EP-STREAM Triad:   169.656 GB/s
STREAM Vector Size:   357957633   STREAM Threads:   1

RandomAccess
S-RandomAccess:   0.785344 Gup/s   EP-RandomAccess:   0.784231 Gup/s
G-RandomAccess:   1.4011 Gup/s   G-RandomAccess N:   274877906944
G-RandomAccess time:   784.749 seconds   G-RandomAccess Check Time:   1020.67 seconds
G-RandomAccess Errors:   273933   G-RandomAccess Errors Fraction:   0.000000996562
G-RandomAccess TimeBound:   -1   G-RandomAccess ExeUpdates:   1099511627776
RandomAccess N:   1073741824

FFT
S-FFT:   39.9015 GFlop/s   EP-FFT:   24.7801 GFlop/s
MPIFFT:   2377.31 GFlop/s   MPIFFT N:   34359738368
MPIFFT Max Error:   0.00000000000000597873   MPIFFT time0:   0.00000631063 seconds
MPIFFT time1:   0.734505 seconds   MPIFFT time2:   0.47584 seconds
MPIFFT time3:   0.397377 seconds   MPIFFT time4:   0.449997 seconds
MPIFFT time5:   0.434087 seconds   MPIFFT time6:   0.000000222499 seconds
FFTEnblk:   16   FFTEnp:   8
FFTEl2size:   1048576

DGEMM
S-DGEMM:   86.2637 GFlop/s   EP-DGEMM:   86.5024 GFlop/s
DGEMM N:   18919

RandomRing Latency/Bandwidth
RandomRing Latency:   9.39808 usec   RandomRing Bandwidth:   3.64036 GB/s

NaturalRing Latency/Bandwidth
NaturalRing Latency:   8.77225 usec   NaturalRing Bandwidth:   24.9582 GB/s

PingPong Latency/Bandwidth
Maximum PingPong Latency:   5.35559 usec   Maximum PingPong Bandwidth:   80.4141 GB/s
Minimum PingPong Latency:   2.7959 usec   Minimum PingPong Bandwidth:   27.9231 GB/s
Average PingPong Latency:   4.6308 usec   Average PingPong Bandwidth:   31.4279 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:   0   CPS_HPCC_FFTW_ESTIMATE:   0
CPS_HPCC_MEMALLCTR:   0   CPS_HPL_USE_GETPROCESSTIMES:   0
CPS_RA_SANDIA_NOPT:   1   CPS_RA_SANDIA_OPT2:   0


Version: 1.2.0.f - Run Type: opt - Parent ID: 309
Created: 2008-11-06 - Exported: Thu Nov 27 13:11:21 2014
HPC Challenge Benchmark Record