HPC Challenge Benchmark Record

System Information
Affiliation:   RIKEN Advanced Institute for Computational Science (AICS)   URL:   http://www.aics.riken.jp/index_e.html
Location:   Japan, Kobe, Hyogo   System Use:   Research
System Manufacturer:   Fujitsu Ltd.   System Name:   K computer
Interconnect Manufacturer:   Fujitsu Ltd.   Interconnect Type:   Tofu interconnect
Operating System:   Linux   MPI:   Parallelnavi Technical Computing Language V1.0L20
MPI Wtick:   0.0000001   BLAS:   Parallelnavi Technical Computing Language V1.0L20
Language:   C   Compiler:   Parallelnavi Technical Computing Language V1.0L20
Compiler Flags:   -Kfast,parallel,openmp,ocl (and "-mlcmain=main -SSL2BLAMP" for LINKFLAGS, "-Fwide" for Fortran files)   Processor Type:   Fujitsu SPARC64 VIIIfx
Processor Speed:   2 GHz   Total Processors:   147456
Processors Entered:   147456   Processors determined:   147456
Cores per chip:   8   HPL Processes:   18432
MPI Processes:   18432   Threads Entered:   8
Threads determined:   8   FLOPs per cycle:  
Theoretical peak:   2359.296 TFlop/s   Total memory:   294912 GiB
FFT library:   FFTE 5.0  
Explain Optimizations:

G-HPL: adopted pipelined broadcast communication and promoted fine-grain overlapped data transfer
G-RandomAccess: replaced MPI function calls with RDMA function calls and overlapped data transfer with data sorting
G-FFT: used the latest version of FFTE library
EP-STREAM: inserted compiler directives to use a CPU feature of fast cache line allocation


HPL
HPL:   2114.19 Tflop/s   HPL time:   27344.5
HPL eps:   1.11022e-16   HPL Rnorm1:   0.00000291498
HPL Anorm1:   1108140   HPL AnormI:   1108170
HPL Xnorm1:   6344100   HPL XnormI:   9.0764
HPL N:   4426240   HPL NB:   448
HPL NProw:   64   HPL NPcol:   288
HPL depth:   1   HPL NBdiv:   2
HPL NBmin:   8   HPL CPfact:   L
HPL CRfact:   L   HPL CPtop:   0
HPL order:   C
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:   5935.73 GB/s   PTRANS time:   6.45077 seconds
PTRANS residual:   0   PTRANS N:   2213120
PTRANS NB:   193   PTRANS NProw:   64
PTRANS NPcol:   288

STREAM
S-STREAM Copy:   45.2738 GB/s   S-STREAM Scale:   45.2604 GB/s
S-STREAM Add:   43.4094 GB/s   S-STREAM Triad:   43.2622 GB/s
EP-STREAM Copy:   45.2633 GB/s   EP-STREAM Scale:   45.2529 GB/s
EP-STREAM Add:   43.2542 GB/s   EP-STREAM Triad:   43.2605 GB/s
STREAM Vector Size:   354304118   STREAM Threads:   8

RandomAccess
S-RandomAccess:   0.0367156 Gup/s   EP-RandomAccess:   0.0363708 Gup/s
G-RandomAccess:   77.6127 Gup/s   G-RandomAccess N:   17592186044416
G-RandomAccess time:   906.665 seconds   G-RandomAccess Check Time:   718.079 seconds
G-RandomAccess Errors:   0   G-RandomAccess Errors Fraction:   0
G-RandomAccess TimeBound:   -1   G-RandomAccess ExeUpdates:   70368744177664
RandomAccess N:   536870912

FFT
S-FFT:   5.94628 GFlop/s   EP-FFT:   5.94301 GFlop/s
MPIFFT:   32499.5 GFlop/s   MPIFFT N:   2446118092800
MPIFFT Max Error:   0.00000000000000336659   MPIFFT time0:   0.000003902 seconds
MPIFFT time1:   4.29044 seconds   MPIFFT time2:   1.61162 seconds
MPIFFT time3:   3.74546 seconds   MPIFFT time4:   1.45818 seconds
MPIFFT time5:   4.23287 seconds   MPIFFT time6:   0.000002601 seconds
FFTEnblk:   16   FFTEnp:   8
FFTEl2size:   6291456

DGEMM
S-DGEMM:   119.681 GFlop/s   EP-DGEMM:   117.562 GFlop/s
DGEMM N:   18822

RandomRing Latency/Bandwidth
RandomRing Latency:   7.19072 usec   RandomRing Bandwidth:   0.233575 GB/s

NaturalRing Latency/Bandwidth
NaturalRing Latency:   4.922 usec   NaturalRing Bandwidth:   3.10108 GB/s

PingPong Latency/Bandwidth
Maximum PingPong Latency:   6.40969 usec   Maximum PingPong Bandwidth:   4.57541 GB/s
Minimum PingPong Latency:   2.99556 usec   Minimum PingPong Bandwidth:   4.4638 GB/s
Average PingPong Latency:   4.4526 usec   Average PingPong Bandwidth:   4.522 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:   200805   OpenMP Num Threads:   8
OpenMP Num Procs:   8   OpenMP Max Threads:   8

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:   1   CPS_RA_SANDIA_OPT2:   0


Version: 1.4.1.f - Run Type: opt - Parent ID: 456
Created: 2011-10-31 - Exported: Fri Jul 25 11:23:21 2014
HPC Challenge Benchmark Record