[R-br] benchmarking

[FHRB Toledo]

Benilton,

Perdi de lavada... Aproveito o ensejo para abrir a campanha "Me comprem um
novo laptop! :)"

abraço,
FH

Lenovo G450
Debian GNU/Linux Wheezy 32bits
Intel(R) Core(TM)2 Duo CPU 2.20GHz
4GB RAM
R 2.13.2

R Benchmark 2.5
   ===============
Number of times each test is run__________________________:  3

   I. Matrix calculation
   ---------------------
Creation, transp., deformation of a 2500x2500 matrix (sec):
0.818333333333335
2400x2400 normal distributed random matrix ^1000____ (sec):  1.551
Sorting of 7,000,000 random values__________________ (sec):
1.28133333333334
2800x2800 cross-product matrix (b = a' * a)_________ (sec):  20.788
Linear regr. over a 3000x3000 matrix (c = a \ b')___ (sec):
9.72733333333333
                      --------------------------------------------
                 Trimmed geom. mean (2 extremes eliminated):
2.68383558451994

   II. Matrix functions
   --------------------
FFT over 2,400,000 random values____________________ (sec):
1.19933333333333
Eigenvalues of a 640x640 random matrix______________ (sec):
1.99066666666667
Determinant of a 2500x2500 random matrix____________ (sec):
8.14666666666666
Cholesky decomposition of a 3000x3000 matrix________ (sec):
6.90433333333334
Inverse of a 1600x1600 random matrix________________ (sec):
7.34233333333333
                      --------------------------------------------
                Trimmed geom. mean (2 extremes eliminated):
4.65569795716832

   III. Programmation
   ------------------
3,500,000 Fibonacci numbers calculation (vector calc)(sec):
1.33066666666669
Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec):
0.720333333333315
Grand common divisors of 400,000 pairs (recursion)__ (sec):
1.30766666666665
Creation of a 500x500 Toeplitz matrix (loops)_______ (sec):
1.66699999999999
Escoufier's method on a 45x45 matrix (mixed)________ (sec):
0.923000000000002
                      --------------------------------------------
                Trimmed geom. mean (2 extremes eliminated):
1.17108749649097


Total time for all 15 tests_________________________ (sec):  65.698
Overall mean (sum of I, II and III trimmed means/3)_ (sec):  2.445926201769
                      --- End of test ---
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