Difference between revisions of "Benchmarking: CARMA Dev Kit - Linpack"

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  Revision        : 0000
 
  Revision        : 0000
 
  Serial          : 0000000000000000
 
  Serial          : 0000000000000000
 +
 +
== Mem info ==
 +
free -m
 +
 +
              total      used      free    shared    buffers    cached
 +
Mem:          1996        996        999          0          6        180
 +
-/+ buffers/cache:        809      1186
 +
Swap:            0          0          0
 +
 +
== Results ==
 +
=== Double Precision ===
 +
#define SP (Default setting)
 +
==== N=200 ====
 +
Enter array size (q to quit) [200]:  200
 +
Memory required:  315K.
 +
 +
 +
LINPACK benchmark, Double precision.
 +
Machine precision:  15 digits.
 +
Array size 200 X 200.
 +
Average rolled and unrolled performance:
 +
 +
    Reps Time(s) DGEFA  DGESL  OVERHEAD    KFLOPS
 +
----------------------------------------------------
 +
      64  0.52  84.62%  3.85%  11.54%  191072.464
 +
      128  1.04  85.58%  1.92%  12.50%  193172.161
 +
      256  2.08  90.87%  3.37%  5.77%  179374.150
 +
      512  4.15  89.16%  3.61%  7.23%  182635.498
 +
    1024  8.31  91.10%  2.89%  6.02%  180063.167
 +
    2048  16.59  89.87%  2.65%  7.47%  183230.402
 +
==== N=1000 ====
 +
Enter array size (q to quit) [200]:  1000
 +
Memory required:  7824K.
 +
 +
 +
LINPACK benchmark, Double precision.
 +
Machine precision:  15 digits.
 +
Array size 1000 X 1000.
 +
Average rolled and unrolled performance:
 +
 +
    Reps Time(s) DGEFA  DGESL  OVERHEAD    KFLOPS
 +
----------------------------------------------------
 +
        1  1.93  92.75%  0.52%  6.74%  93148.148
 +
        2  3.18  98.11%  0.63%  1.26%  106794.055
 +
        4  6.34  98.11%  0.63%  1.26%  107135.250
 +
        8  12.67  97.79%  0.95%  1.26%  107220.890
 +
 +
==== N=5000 ====
 +
Enter array size (q to quit) [200]:  5000
 +
Memory required:  195371K.
 +
 
 +
 +
LINPACK benchmark, Double precision.
 +
Machine precision:  15 digits.
 +
Array size 5000 X 5000.
 +
Average rolled and unrolled performance:
 +
 +
    Reps Time(s) DGEFA  DGESL  OVERHEAD    KFLOPS
 +
----------------------------------------------------
 +
        1 315.83  99.57%  0.11%  0.32%  66256.896
 +
 +
=== Single Precision ===
 +
#define SP
 +
==== N=200 ====
 +
Enter array size (q to quit) [200]:  200
 +
Memory required:  158K.
 +
 
 +
 +
LINPACK benchmark, Single precision.
 +
Machine precision:  6 digits.
 +
Array size 200 X 200.
 +
Average rolled and unrolled performance:
 +
 +
    Reps Time(s) DGEFA  DGESL  OVERHEAD    KFLOPS
 +
----------------------------------------------------
 +
      128  0.84  89.29%  0.00%  10.71%  234382.266
 +
      256  1.69  88.76%  2.96%  8.28%  226821.516
 +
      512  3.38  88.76%  1.48%  9.76%  230539.859
 +
    1024  6.77  88.33%  3.25%  8.42%  226821.500
 +
    2048  13.52  88.17%  2.81%  9.02%  228665.875
 +
==== N=1000 ====
 +
Enter array size (q to quit) [200]:  1000
 +
Memory required:  3914K.
 +
 +
 +
LINPACK benchmark, Single precision.
 +
Machine precision:  6 digits.
 +
Array size 1000 X 1000.
 +
Average rolled and unrolled performance:
 +
 +
    Reps Time(s) DGEFA  DGESL  OVERHEAD    KFLOPS
 +
----------------------------------------------------
 +
        1  1.21  89.26%  0.83%  9.92%  153822.609
 +
        2  1.79  97.21%  0.56%  2.23%  191619.047
 +
        4  3.60  97.22%  0.83%  1.94%  189990.734
 +
        8  7.20  97.64%  0.56%  1.81%  189721.844
 +
      16  14.40  97.36%  0.83%  1.81%  189721.844
 +
==== N=5000 ====
 +
Enter array size (q to quit) [200]:  5000
 +
Memory required:  97695K.
 +
 +
 +
LINPACK benchmark, Single precision.
 +
Machine precision:  6 digits.
 +
Array size 5000 X 5000.
 +
Average rolled and unrolled performance:
 +
 +
    Reps Time(s) DGEFA  DGESL  OVERHEAD    KFLOPS
 +
----------------------------------------------------
 +
        1 167.10  99.49%  0.11%  0.39%  125320.430

Latest revision as of 07:22, 31 January 2013

Linkpack

file linpackc.new
for The LINPACK benchmark program done in C (improved version).
lang C
by Based on Bonnie Toy 5/88 but improved by Will Menninger. 

wget http://www.netlib.org/benchmark/linpackc.new

Compile

mv linpackc.new linpack.c
gcc -O -o linpack linpack.c -lm

CPU info

cat /proc/cpuinfo

Processor       : ARMv7 Processor rev 9 (v7l)
processor       : 0
BogoMIPS        : 1987.37

processor       : 1
BogoMIPS        : 1987.37

processor       : 2
BogoMIPS        : 1987.37 

processor       : 3
BogoMIPS        : 1987.37 

Features        : swp half thumb fastmult vfp edsp neon vfpv3 tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x2
CPU part        : 0xc09
CPU revision    : 9

Hardware        : cardhu
Revision        : 0000
Serial          : 0000000000000000

Mem info

free -m

             total       used       free     shared    buffers     cached
Mem:          1996        996        999          0          6        180
-/+ buffers/cache:        809       1186
Swap:            0          0          0

Results

Double Precision

#define SP (Default setting)

N=200

Enter array size (q to quit) [200]:  200
Memory required:  315K. 


LINPACK benchmark, Double precision.
Machine precision:  15 digits.
Array size 200 X 200.
Average rolled and unrolled performance:

    Reps Time(s) DGEFA   DGESL  OVERHEAD    KFLOPS
----------------------------------------------------
      64   0.52  84.62%   3.85%  11.54%  191072.464
      128   1.04  85.58%   1.92%  12.50%  193172.161
     256   2.08  90.87%   3.37%   5.77%  179374.150
     512   4.15  89.16%   3.61%   7.23%  182635.498
    1024   8.31  91.10%   2.89%   6.02%  180063.167
    2048  16.59  89.87%   2.65%   7.47%  183230.402

N=1000

Enter array size (q to quit) [200]:  1000
Memory required:  7824K.


LINPACK benchmark, Double precision.
Machine precision:  15 digits.
Array size 1000 X 1000.
Average rolled and unrolled performance:

    Reps Time(s) DGEFA   DGESL  OVERHEAD    KFLOPS
----------------------------------------------------
       1   1.93  92.75%   0.52%   6.74%  93148.148
       2   3.18  98.11%   0.63%   1.26%  106794.055
       4   6.34  98.11%   0.63%   1.26%  107135.250
       8  12.67  97.79%   0.95%   1.26%  107220.890

N=5000

Enter array size (q to quit) [200]:  5000
Memory required:  195371K.
 

LINPACK benchmark, Double precision.
Machine precision:  15 digits.
Array size 5000 X 5000.
Average rolled and unrolled performance:

    Reps Time(s) DGEFA   DGESL  OVERHEAD    KFLOPS
----------------------------------------------------
       1 315.83  99.57%   0.11%   0.32%  66256.896

Single Precision

#define SP

N=200

Enter array size (q to quit) [200]:  200
Memory required:  158K.
 

LINPACK benchmark, Single precision.
Machine precision:  6 digits.
Array size 200 X 200.
Average rolled and unrolled performance:

    Reps Time(s) DGEFA   DGESL  OVERHEAD    KFLOPS
----------------------------------------------------
     128   0.84  89.29%   0.00%  10.71%  234382.266
     256   1.69  88.76%   2.96%   8.28%  226821.516
     512   3.38  88.76%   1.48%   9.76%  230539.859
    1024   6.77  88.33%   3.25%   8.42%  226821.500
    2048  13.52  88.17%   2.81%   9.02%  228665.875

N=1000

Enter array size (q to quit) [200]:  1000
Memory required:  3914K.


LINPACK benchmark, Single precision.
Machine precision:  6 digits.
Array size 1000 X 1000.
Average rolled and unrolled performance:

    Reps Time(s) DGEFA   DGESL  OVERHEAD    KFLOPS
----------------------------------------------------
       1   1.21  89.26%   0.83%   9.92%  153822.609
       2   1.79  97.21%   0.56%   2.23%  191619.047
       4   3.60  97.22%   0.83%   1.94%  189990.734
       8   7.20  97.64%   0.56%   1.81%  189721.844
      16  14.40  97.36%   0.83%   1.81%  189721.844

N=5000

Enter array size (q to quit) [200]:  5000
Memory required:  97695K.


LINPACK benchmark, Single precision.
Machine precision:  6 digits.
Array size 5000 X 5000.
Average rolled and unrolled performance:

    Reps Time(s) DGEFA   DGESL  OVERHEAD    KFLOPS
----------------------------------------------------
       1 167.10  99.49%   0.11%   0.39%  125320.430
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