System Information | ||||
Affiliation: | Blue Gene Computational Center at IBM T.J. Watson Research Center | URL: | http://www.research.ibm.com/bluegene/ | |
Location: | USA, New York, Yorktown Heights | System Use: | Research | |
System Manufacturer: | IBM | System Name: | Blue Gene/L | |
Interconnect Manufacturer: | IBM | Interconnect Type: | Custom | |
Operating System: | Linux/Custom CNK (Compute Node Kernel) | MPI: | MPICH 1.0 customized for Blue Gene/L | |
MPI Wtick: | 0.000003 | BLAS: | Pre-Release 0.405 | |
Language: | C | Compiler: | xlc 7.0 | |
Compiler Flags: | -O3 -qarch=440d -qtune=440/-O5 -qarch=440d -qtune=440 -qdebug=nhummer:nsimd [Ed.:R3compile/STREAM&Link] | Processor Type: | IBM PowerPC 440 | |
Processor Speed: | 0.7 GHz | Total Processors: | 1024 | |
Processors Entered: | 1024 | Processors determined: | 1024 | |
Cores per chip: | 2 | HPL Processes: | 1024 | |
MPI Processes: | 1024 | Threads Entered: | 1 | |
Threads determined: | 1 | FLOPs per cycle: | 4 | |
Theoretical peak: | 2.8672 TFlop/s | Total memory: | GiB | |
FFT library: | ||||
Explain Optimizations: | ||||
Use of unreleased BLAS |
HPL | ||||
HPL: | 1.42014 Tflop/s | HPL time: | 634.977 | |
HPL eps: | 1.11022e-16 | HPL Rnorm1: | 0.00000000243842 | |
HPL Anorm1: | 27839.6 | HPL AnormI: | 31104.1 | |
HPL Xnorm1: | 78762.8 | HPL XnormI: | 4.65646 | |
HPL N: | 110592 | HPL NB: | 192 | |
HPL NProw: | 32 | HPL NPcol: | 32 | |
HPL depth: | 1 | HPL NBdiv: | 12 | |
HPL NBmin: | 12 | HPL CPfact: | R | |
HPL CRfact: | R | HPL CPtop: | 0 | |
HPL order: | R | |||
HPL dMach EPS: | HPL sMach EPS: | |||
HPL dMach sfMin: | HPL sMach sfMin: | |||
HPL dMach Base: | HPL sMach Base: | |||
HPL dMach Prec: | HPL sMach Prec: | |||
HPL dMach mLen: | HPL sMach mLen: | |||
HPL dMach Rnd: | HPL sMach Rnd: | |||
HPL dMach eMin: | HPL sMach eMin: | |||
HPL dMach rMin: | HPL sMach rMin: | |||
HPL dMach eMax: | HPL sMach eMax: | |||
HPL dMach rMax: | HPL sMach rMax: | |||
dweps: | sweps: |
PTRANS | ||||
PTRANS: | 27.9939 GB/s | PTRANS time: | 0.873805 seconds | |
PTRANS residual: | 0 | PTRANS N: | 55296 | |
PTRANS NB: | 192 | PTRANS NProw: | 32 | |
PTRANS NPcol: | 32 |
STREAM | ||||
S-STREAM Copy: | 1.29455 GB/s | S-STREAM Scale: | 1.31264 GB/s | |
S-STREAM Add: | 1.42154 GB/s | S-STREAM Triad: | 1.41017 GB/s | |
EP-STREAM Copy: | 0.717607 GB/s | EP-STREAM Scale: | 0.72193 GB/s | |
EP-STREAM Add: | 0.815341 GB/s | EP-STREAM Triad: | 0.842652 GB/s | |
STREAM Vector Size: | 3981312 | STREAM Threads: | 1 |
RandomAccess | ||||
S-RandomAccess: | 0.00668671 Gup/s | EP-RandomAccess: | 0.00408259 Gup/s | |
G-RandomAccess: | 0.134729 Gup/s | G-RandomAccess N: | 16777200 | |
G-RandomAccess time: | 0.498104 seconds | G-RandomAccess Check Time: | 2.35354 seconds | |
G-RandomAccess Errors: | 0 | G-RandomAccess Errors Fraction: | 0 | |
G-RandomAccess TimeBound: | G-RandomAccess ExeUpdates: | |||
RandomAccess N: | 8388610 |
FFT | ||||
S-FFT: | 0.228908 GFlop/s | EP-FFT: | 0.215983 GFlop/s | |
MPIFFT: | 49.934 GFlop/s | MPIFFT N: | 1073740000 | |
MPIFFT Max Error: | 0.00000000000000184157 | MPIFFT time0: | 0.000008 seconds | |
MPIFFT time1: | 0.66146 seconds | MPIFFT time2: | 0.517563 seconds | |
MPIFFT time3: | 0.668485 seconds | MPIFFT time4: | 0.617708 seconds | |
MPIFFT time5: | 0.760241 seconds | MPIFFT time6: | 0.000008 seconds | |
FFTEnblk: | FFTEnp: | |||
FFTEl2size: |
DGEMM | ||||
S-DGEMM: | 2.54904 GFlop/s | EP-DGEMM: | 2.46669 GFlop/s | |
DGEMM N: | 1728 |
RandomRing Latency/Bandwidth | ||||
RandomRing Latency: | 4.82971 usec | RandomRing Bandwidth: | 0.0345521 GB/s |
NaturalRing Latency/Bandwidth | ||||
NaturalRing Latency: | 4.4 usec | NaturalRing Bandwidth: | 0.0939651 GB/s |
PingPong Latency/Bandwidth | ||||
Maximum PingPong Latency: | 4.25 usec | Maximum PingPong Bandwidth: | 0.158951 GB/s | |
Minimum PingPong Latency: | 3 usec | Minimum PingPong Bandwidth: | 0.158894 GB/s | |
Average PingPong Latency: | 3.61297 usec | Average PingPong Bandwidth: | 0.158932 GB/s |
Size of Data Types | ||||
char: | 1 byte | short: | 2 bytes | |
int: | 4 bytes | long: | 4 bytes | |
void ptr: | 4 bytes | float: | 4 bytes | |
double: | 8 bytes | size t: | bytes | |
s64Int: | bytes | u64Int: | bytes |
OpenMP | ||||
M OpenMP: | OpenMP Num Threads: | |||
OpenMP Num Procs: | OpenMP Max Threads: |
Memory | ||||
MemProc: | MemSpec: | |||
MemVal: |
CPS | ||||
CPS_HPCC_FFT_235: | CPS_HPCC_FFTW_ESTIMATE: | |||
CPS_HPCC_MEMALLCTR: | CPS_HPL_USE_GETPROCESSTIMES: | |||
CPS_RA_SANDIA_NOPT: | CPS_RA_SANDIA_OPT2: |