HPC Challenge Benchmark Record

System Information
Affiliation:   IBM Development Engineering   URL:   http://www-03.ibm.com/systems/power/hardware/775/
Location:   USA, New York   System Use:   Research
System Manufacturer:   IBM   System Name:   Power 775
Interconnect Manufacturer:   IBM   Interconnect Type:   Custom IBM Hub Chip
Operating System:   Redhat Linux 6.2   MPI:   IBM PE v1209
MPI Wtick:   0.000000001   BLAS:   ESSL 5.1.0-2
Language:   C   Compiler:   xlc 12.1
Compiler Flags:   -g -qhalt=w -qsmp=omp -g -q64 -O3 -qhot -qarch=pwr7 -qtune=pwr7   Processor Type:   IBM Power7
Processor Speed:   3.836 GHz   Total Processors:   1996
Processors Entered:   1989   Processors determined:   63648
Cores per chip:   32   HPL Processes:   1989
MPI Processes:   1989   Threads Entered:   32
Threads determined:   32   FLOPs per cycle:  
Theoretical peak:   1953 TFlop/s   Total memory:   254592 GiB
FFT library:   serial: Custom+FFTW 3.3.2, parallel: Custom+FFTW 3.3.2  
Explain Optimizations:
EP-GUPS and G-GUPS: Hardware support in IBM Hub Chip. G-FFT: Custom global transpose (all-to-all) integrated with FFTW. PTRANS: Custom transpose communication routines. EP-Stream: Prefetching instructions. EP-FFT: Custom memory transpose integrated with FFTW.

HPL
HPL:   1343.67 Tflop/s   HPL time:   15693.3
HPL eps:   1.11022e-16   HPL Rnorm1:   0.000000279611
HPL Anorm1:   791935   HPL AnormI:   791971
HPL Xnorm1:   864915   HPL XnormI:   1.69651
HPL N:   3162510   HPL NB:   144
HPL NProw:   17   HPL NPcol:   117
HPL depth:   1   HPL NBdiv:   2
HPL NBmin:   4   HPL CPfact:   R
HPL CRfact:   R   HPL CPtop:   1
HPL order:   R
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:   60473.8 GB/s   PTRANS time:   0.32948 seconds
PTRANS residual:   0   PTRANS N:   1581255
PTRANS NB:   15   PTRANS NProw:   17
PTRANS NPcol:   117

STREAM
S-STREAM Copy:   174.379 GB/s   S-STREAM Scale:   174.47 GB/s
S-STREAM Add:   203.468 GB/s   S-STREAM Triad:   264.006 GB/s
EP-STREAM Copy:   175.775 GB/s   EP-STREAM Scale:   176.005 GB/s
EP-STREAM Add:   205.081 GB/s   EP-STREAM Triad:   264.156 GB/s
STREAM Vector Size:   1676130300   STREAM Threads:   32

RandomAccess
S-RandomAccess:   1.14481 Gup/s   EP-RandomAccess:   1.1456 Gup/s
G-RandomAccess:   2020.77 Gup/s   G-RandomAccess N:   8796093022208
G-RandomAccess time:   17.4113 seconds   G-RandomAccess Check Time:   5822.79 seconds
G-RandomAccess Errors:   0   G-RandomAccess Errors Fraction:   0
G-RandomAccess TimeBound:   -1   G-RandomAccess ExeUpdates:   35184372088832
RandomAccess N:   4294967296

FFT
S-FFT:   108.834 GFlop/s   EP-FFT:   108.176 GFlop/s
MPIFFT:   132658 GFlop/s   MPIFFT N:   1209323520000
MPIFFT Max Error:   0.00000000000000393858   MPIFFT time0:   0 seconds
MPIFFT time1:   0 seconds   MPIFFT time2:   0 seconds
MPIFFT time3:   0 seconds   MPIFFT time4:   0 seconds
MPIFFT time5:   0 seconds   MPIFFT time6:   0 seconds
FFTEnblk:   16   FFTEnp:   8
FFTEl2size:   1048576

DGEMM
S-DGEMM:   827.337 GFlop/s   EP-DGEMM:   828.063 GFlop/s
DGEMM N:   40940

RandomRing Latency/Bandwidth
RandomRing Latency:   6.3974 usec   RandomRing Bandwidth:   3.33471 GB/s

NaturalRing Latency/Bandwidth
NaturalRing Latency:   6.07967 usec   NaturalRing Bandwidth:   6.20344 GB/s

PingPong Latency/Bandwidth
Maximum PingPong Latency:   6.3926 usec   Maximum PingPong Bandwidth:   7.98915 GB/s
Minimum PingPong Latency:   1.75834 usec   Minimum PingPong Bandwidth:   4.29304 GB/s
Average PingPong Latency:   3.47154 usec   Average PingPong Bandwidth:   5.49759 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:   201107   OpenMP Num Threads:   32
OpenMP Num Procs:   64   OpenMP Max Threads:   32

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:   0   CPS_RA_SANDIA_OPT2:   0


Version: 1.4.1.f - Run Type: opt
Created: 2012-11-08 - Exported: Wed Sep 24 00:24:19 2014
HPC Challenge Benchmark Record