Intel Optimized LINPACK Benchmark for Linux on CentOS 8

Posted by Pavlo Khmel on Thu 13 February 2020

Download Intel Parallel Studio XE 2020

In this example Intel Parallel Studio XE 2020 Cluster Edition

tar xf parallel_studio_xe_2020_cluster_edition.tgz 
cd parallel_studio_xe_2020_cluster_edition/
./install.sh 
cd /opt/intel/compilers_and_libraries_2020.0.166/linux/mkl/benchmarks/linpack/

Run:

#./xlinpack_xeon64 -i lininput_xeon64

Sample data file lininput_xeon64.

Current date/time: Wed Feb 12 12:10:47 2020

CPU frequency:    4.388 GHz
Number of CPUs: 1
Number of cores: 8
Number of threads: 8

Parameters are set to:

Number of tests: 15
Number of equations to solve (problem size) : 1000  2000  5000  10000 15000 18000 20000 22000 25000 26000 27000 30000 35000 40000 45000
Leading dimension of array                  : 1000  2000  5008  10000 15000 18008 20016 22008 25000 26000 27000 30000 35000 40000 45000
Number of trials to run                     : 4     2     2     2     2     2     2     2     2     2     1     1     1     1     1    
Data alignment value (in Kbytes)            : 4     4     4     4     4     4     4     4     4     4     4     1     1     1     1    

Maximum memory requested that can be used=16200901024, at the size=45000

=================== Timing linear equation system solver ===================

Size   LDA    Align. Time(s)    GFlops   Residual     Residual(norm) Check
1000   1000   4      0.004      171.1056 1.086187e-12 3.704176e-02   pass
1000   1000   4      0.003      261.8177 1.086187e-12 3.704176e-02   pass
1000   1000   4      0.003      263.0455 1.086187e-12 3.704176e-02   pass
1000   1000   4      0.003      234.9494 1.086187e-12 3.704176e-02   pass
2000   2000   4      0.014      395.3618 4.018785e-12 3.495851e-02   pass
2000   2000   4      0.013      413.9920 4.018785e-12 3.495851e-02   pass
5000   5008   4      0.147      568.6342 2.477996e-11 3.455365e-02   pass
5000   5008   4      0.147      567.1293 2.477996e-11 3.455365e-02   pass
10000  10000  4      1.026      650.2147 1.020047e-10 3.596790e-02   pass
10000  10000  4      1.029      647.8591 1.020047e-10 3.596790e-02   pass
15000  15000  4      3.381      665.7108 2.543481e-10 4.006025e-02   pass
15000  15000  4      3.389      664.0045 2.543481e-10 4.006025e-02   pass
18000  18008  4      5.845      665.2928 3.227230e-10 3.534213e-02   pass
18000  18008  4      5.860      663.6253 3.227230e-10 3.534213e-02   pass
20000  20016  4      8.103      658.2719 3.483300e-10 3.083483e-02   pass
20000  20016  4      8.134      655.7484 3.483300e-10 3.083483e-02   pass
22000  22008  4      10.769     659.2482 4.157935e-10 3.045524e-02   pass
22000  22008  4      10.993     645.8242 4.157935e-10 3.045524e-02   pass
25000  25000  4      16.086     647.6192 7.327814e-10 4.167065e-02   pass
25000  25000  4      15.707     663.2739 7.327814e-10 4.167065e-02   pass
26000  26000  4      17.447     671.6808 6.306541e-10 3.316168e-02   pass
26000  26000  4      17.431     672.2724 6.306541e-10 3.316168e-02   pass
27000  27000  4      19.459     674.4254 6.194663e-10 3.020832e-02   pass
30000  30000  1      26.394     682.0484 8.895112e-10 3.506462e-02   pass
35000  35000  1      41.651     686.3124 1.102359e-09 3.199981e-02   pass
40000  40000  1      61.668     691.9258 1.446642e-09 3.217381e-02   pass
45000  45000  1      87.313     695.8206 1.606614e-09 2.826668e-02   pass

Performance Summary (GFlops)

Size   LDA    Align.  Average  Maximal
1000   1000   4       232.7296 263.0455
2000   2000   4       404.6769 413.9920
5000   5008   4       567.8818 568.6342
10000  10000  4       649.0369 650.2147
15000  15000  4       664.8577 665.7108
18000  18008  4       664.4591 665.2928
20000  20016  4       657.0102 658.2719
22000  22008  4       652.5362 659.2482
25000  25000  4       655.4466 663.2739
26000  26000  4       671.9766 672.2724
27000  27000  4       674.4254 674.4254
30000  30000  1       682.0484 682.0484
35000  35000  1       686.3124 686.3124
40000  40000  1       691.9258 691.9258
45000  45000  1       695.8206 695.8206

Residual checks PASSED

End of tests