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February 7, 2015 06:46
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Raspberry Pi 2 Linpack Benchmark
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HPLinpack benchmark input file | |
Innovative Computing Laboratory, University of Tennessee | |
HPL.out output file name (if any) | |
6 device out (6=stdout,7=stderr,file) | |
1 # of problems sizes (N) | |
8000 Ns | |
1 # of NBs | |
32 NBs | |
0 PMAP process mapping (0=Row-,1=Column-major) | |
1 # of process grids (P x Q) | |
2 Ps | |
2 Qs | |
16.0 threshold | |
1 # of panel fact | |
2 PFACTs (0=left, 1=Crout, 2=Right) | |
1 # of recursive stopping criterium | |
4 NBMINs (>= 1) | |
1 # of panels in recursion | |
2 NDIVs | |
1 # of recursive panel fact. | |
1 RFACTs (0=left, 1=Crout, 2=Right) | |
1 # of broadcast | |
1 BCASTs (0=1rg,1=1rM,2=2rg,3=2rM,4=Lng,5=LnM) | |
1 # of lookahead depth | |
1 DEPTHs (>=0) | |
2 SWAP (0=bin-exch,1=long,2=mix) | |
64 swapping threshold | |
0 L1 in (0=transposed,1=no-transposed) form | |
0 U in (0=transposed,1=no-transposed) form | |
1 Equilibration (0=no,1=yes) | |
8 memory alignment in double (> 0) |
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================================================================================ | |
HPLinpack 2.1 -- High-Performance Linpack benchmark -- October 26, 2012 | |
Written by A. Petitet and R. Clint Whaley, Innovative Computing Laboratory, UTK | |
Modified by Piotr Luszczek, Innovative Computing Laboratory, UTK | |
Modified by Julien Langou, University of Colorado Denver | |
================================================================================ | |
An explanation of the input/output parameters follows: | |
T/V : Wall time / encoded variant. | |
N : The order of the coefficient matrix A. | |
NB : The partitioning blocking factor. | |
P : The number of process rows. | |
Q : The number of process columns. | |
Time : Time in seconds to solve the linear system. | |
Gflops : Rate of execution for solving the linear system. | |
The following parameter values will be used: | |
N : 8000 | |
NB : 32 | |
PMAP : Row-major process mapping | |
P : 2 | |
Q : 2 | |
PFACT : Right | |
NBMIN : 4 | |
NDIV : 2 | |
RFACT : Crout | |
BCAST : 1ringM | |
DEPTH : 1 | |
SWAP : Mix (threshold = 64) | |
L1 : transposed form | |
U : transposed form | |
EQUIL : yes | |
ALIGN : 8 double precision words | |
-------------------------------------------------------------------------------- | |
- The matrix A is randomly generated for each test. | |
- The following scaled residual check will be computed: | |
||Ax-b||_oo / ( eps * ( || x ||_oo * || A ||_oo + || b ||_oo ) * N ) | |
- The relative machine precision (eps) is taken to be 1.110223e-16 | |
- Computational tests pass if scaled residuals are less than 16.0 | |
================================================================================ | |
T/V N NB P Q Time Gflops | |
-------------------------------------------------------------------------------- | |
WR11C2R4 8000 32 2 2 310.62 1.099e+00 | |
HPL_pdgesv() start time Sat Feb 7 15:34:19 2015 | |
HPL_pdgesv() end time Sat Feb 7 15:39:29 2015 | |
-------------------------------------------------------------------------------- | |
||Ax-b||_oo/(eps*(||A||_oo*||x||_oo+||b||_oo)*N)= 0.0051614 ...... PASSED | |
================================================================================ | |
Finished 1 tests with the following results: | |
1 tests completed and passed residual checks, | |
0 tests completed and failed residual checks, | |
0 tests skipped because of illegal input values. | |
-------------------------------------------------------------------------------- | |
End of Tests. | |
================================================================================ |
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