HPC Challenge Benchmark Record

System Information
Affiliation:   University of Cambridge   URL:   http://www.hpc.cam.ac.uk
Location:   United Kingdom, Cambridge   System Use:   Academic
System Manufacturer:   ClusterVision/Dell/QLogic   System Name:   Darwin
Interconnect Manufacturer:   QLogic   Interconnect Type:   InfiniBand DDR, QLogic TrueScale adapters
Operating System:   Scientific Linux CERN SLC release 4.6 (Beryllium)   MPI:   HPMPI-2.02.07.00
MPI Wtick:   0.001   BLAS:   GotoBLAS 1.25
Language:   C   Compiler:   Intel C/C++ Compiler 10.0.026
Compiler Flags:   -O3 -ansi-alias -no-prec-div -no-prec-sqrt -fomit-frame-pointer -xT -restrict -DRA_SANDIA_OPT2 -DHPCC_MEMALLCTR; STREAMCCFLAGS=-fno-alias -opt-streaming-stores always   Processor Type:   Intel Xeon 5160
Processor Speed:   3 GHz   Total Processors:   256
Processors Entered:   256   Processors determined:   256
Cores per chip:   2   HPL Processes:   256
MPI Processes:   256   Threads Entered:   1
Threads determined:   1   FLOPs per cycle:  
Theoretical peak:   3.072 TFlop/s   Total memory:   512 GiB
FFT library:    

HPL
HPL:   2.46013 Tflop/s   HPL time:   3128.1
HPL eps:   2.22045e-16   HPL Rnorm1:   0.0000000283947
HPL Anorm1:   56801.7   HPL AnormI:   56782.4
HPL Xnorm1:   2313760   HPL XnormI:   63.9809
HPL N:   226000   HPL NB:   184
HPL NProw:   8   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:   2.220446e-16   HPL sMach EPS:   0.0000001192093
HPL dMach sfMin:   0   HPL sMach sfMin:   1.175494e-38
HPL dMach Base:   2   HPL sMach Base:   2
HPL dMach Prec:   4.440892e-16   HPL sMach Prec:   0.0000002384186
HPL dMach mLen:   53   HPL sMach mLen:   24
HPL dMach Rnd:   0   HPL sMach Rnd:   0
HPL dMach eMin:   -1021   HPL sMach eMin:   -125
HPL dMach rMin:   0   HPL sMach rMin:   1.175494e-38
HPL dMach eMax:   1025   HPL sMach eMax:   129
HPL dMach rMax:   0   HPL sMach rMax:   0
dweps:   1.110223e-16   sweps:   0.00000005960464

PTRANS
PTRANS:   30.8088 GB/s   PTRANS time:   3.20293 seconds
PTRANS residual:   0   PTRANS N:   113000
PTRANS NB:   184   PTRANS NProw:   8
PTRANS NPcol:   32

STREAM
S-STREAM Copy:   3.08217 GB/s   S-STREAM Scale:   3.06973 GB/s
S-STREAM Add:   3.43392 GB/s   S-STREAM Triad:   3.30171 GB/s
EP-STREAM Copy:   1.23022 GB/s   EP-STREAM Scale:   1.22706 GB/s
EP-STREAM Add:   1.37535 GB/s   EP-STREAM Triad:   1.36394 GB/s
STREAM Vector Size:   66505208   STREAM Threads:   1

RandomAccess
S-RandomAccess:   0.0142629 Gup/s   EP-RandomAccess:   0.00720732 Gup/s
G-RandomAccess:   0.768997 Gup/s   G-RandomAccess N:   34359738368
G-RandomAccess time:   178.725 seconds   G-RandomAccess Check Time:   118.592 seconds
G-RandomAccess Errors:   49440   G-RandomAccess Errors Fraction:   0.00000143889
G-RandomAccess TimeBound:   -1   G-RandomAccess ExeUpdates:   137438953472
RandomAccess N:   134217728

FFT
S-FFT:   1.27688 GFlop/s   EP-FFT:   0.680378 GFlop/s
MPIFFT:   54.3011 GFlop/s   MPIFFT N:   4294967296
MPIFFT Max Error:   0.00000000000000320237   MPIFFT time0:   0.00000190735 seconds
MPIFFT time1:   1.70657 seconds   MPIFFT time2:   1.87578 seconds
MPIFFT time3:   1.17198 seconds   MPIFFT time4:   5.24628 seconds
MPIFFT time5:   2.22265 seconds   MPIFFT time6:   0.00000309944 seconds
FFTEnblk:   16   FFTEnp:   8
FFTEl2size:   1048576

DGEMM
S-DGEMM:   11.3181 GFlop/s   EP-DGEMM:   10.8562 GFlop/s
DGEMM N:   8154

RandomRing Latency/Bandwidth
RandomRing Latency:   1.32604 usec   RandomRing Bandwidth:   0.224688 GB/s

NaturalRing Latency/Bandwidth
NaturalRing Latency:   1.15508 usec   NaturalRing Bandwidth:   0.414872 GB/s

PingPong Latency/Bandwidth
Maximum PingPong Latency:   1.75972 usec   Maximum PingPong Bandwidth:   3.85411 GB/s
Minimum PingPong Latency:   1.45082 usec   Minimum PingPong Bandwidth:   1.07802 GB/s
Average PingPong Latency:   1.70913 usec   Average PingPong Bandwidth:   1.30725 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:   1   CPS_HPL_USE_GETPROCESSTIMES:   0
CPS_RA_SANDIA_NOPT:   0   CPS_RA_SANDIA_OPT2:   1


Version: 1.2.0.f - Run Type: base
Created: 2008-08-05 - Exported: Tue Jul 29 02:41:19 2014
HPC Challenge Benchmark Record