[R-br] benchmarking

[Benilton Carvalho]

Aos interessados em fazer algum benchmarking, aqui uma sugestao:

1) Instale o pacote SuppDists
2) Execute:

source('http://r.research.att.com/benchmarks/R-benchmark-25.R')

3) Reporte aqui:

a) Informacao de Hardware
b) Versao do R
c) Informacoes adicionais relevantes (BLAS / LAPACK / etc)
d) Resultados do benchmark...

Para o meu caso:

Mac Pro 4,1
Quad-Core Xeon 2.93GHz x 2 HT
16G RAM
R 2.13.2 (binario padrao) + ATLAS BLAS

Resultados:


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

   I. Matrix calculation
   ---------------------
Creation, transp., deformation of a 2500x2500 matrix (sec):  0.617666666666613
2400x2400 normal distributed random matrix ^1000____ (sec):  0.267000000000053
Sorting of 7,000,000 random values__________________ (sec):  0.821333333333352
2800x2800 cross-product matrix (b = a' * a)_________ (sec):  0.37166666666667
Linear regr. over a 3000x3000 matrix (c = a \ b')___ (sec):  0.316000000000031
                      --------------------------------------------
                 Trimmed geom. mean (2 extremes eliminated):  0.417059757745061

   II. Matrix functions
   --------------------
FFT over 2,400,000 random values____________________ (sec):  0.489666666666684
Eigenvalues of a 640x640 random matrix______________ (sec):  0.65166666666668
Determinant of a 2500x2500 random matrix____________ (sec):  0.430999999999964
Cholesky decomposition of a 3000x3000 matrix________ (sec):  0.331666666666706
Inverse of a 1600x1600 random matrix________________ (sec):  0.471333333333329
                      --------------------------------------------
                Trimmed geom. mean (2 extremes eliminated):  0.463342341088548

   III. Programmation
   ------------------
3,500,000 Fibonacci numbers calculation (vector calc)(sec):  0.721333333333367
Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec):  0.472333333333268
Grand common divisors of 400,000 pairs (recursion)__ (sec):  2.30133333333337
Creation of a 500x500 Toeplitz matrix (loops)_______ (sec):  0.733999999999999
Escoufier's method on a 45x45 matrix (mixed)________ (sec):  0.533999999999992
                      --------------------------------------------
                Trimmed geom. mean (2 extremes eliminated):  0.656333300289129


Total time for all 15 tests_________________________ (sec):  9.53200000000008
Overall mean (sum of I, II and III trimmed means/3)_ (sec):  0.502429238538774
                      --- End of test ---