OS:Windows XP SP3 HARD:Lets's note W4 PentiumM 1.2GHz L2 2MB RAM:1.5GB ##################################R 2.8.1#################################### R Benchmark 2.5 =============== Number of times each test is run__________________________: 3 I. Matrix calculation --------------------- Creation, transp., deformation of a 2500x2500 matrix (sec): 2.45666666666667 2400x2400 normal distributed random matrix ^1000____ (sec): 2.59666666666669 Sorting of 7,000,000 random values__________________ (sec): 2.91666666666667 2800x2800 cross-product matrix (b = a' * a)_________ (sec): 77.54 Linear regr. over a 3000x3000 matrix (c = a \ b')___ (sec): 33.1366666666666 -------------------------------------------- Trimmed geom. mean (2 extremes eliminated): 6.30769385741631 II. Matrix functions -------------------- FFT over 2,400,000 random values____________________ (sec): 3.55666666666665 Eigenvalues of a 640x640 random matrix______________ (sec): 4.71999999999995 Determinant of a 2500x2500 random matrix____________ (sec): 22.86 Cholesky decomposition of a 3000x3000 matrix________ (sec): 21.0533333333334 Inverse of a 1600x1600 random matrix________________ (sec): 101.97 -------------------------------------------- Trimmed geom. mean (2 extremes eliminated): 13.1455783232191 III. Programmation ------------------ 3,500,000 Fibonacci numbers calculation (vector calc)(sec): 3.80333333333336 Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec): 5.51666666666665 Grand common divisors of 400,000 pairs (recursion)__ (sec): 8.2200000000001 Creation of a 500x500 Toeplitz matrix (loops)_______ (sec): 2.79000000000004 Escoufier's method on a 45x45 matrix (mixed)________ (sec): 2.3599999999999 -------------------------------------------- Trimmed geom. mean (2 extremes eliminated): 3.88283061680934 Total time for all 15 tests_________________________ (sec): 295.496666666667 Overall mean (sum of I, II and III trimmed means/3)_ (sec): 6.85382350284537 --- End of test --- ##################################REvolution#################################### R Benchmark 2.5 =============== Number of times each test is run__________________________: 3 I. Matrix calculation --------------------- Creation, transp., deformation of a 2500x2500 matrix (sec): 2.44333333333333 2400x2400 normal distributed random matrix ^1000____ (sec): 2.59333333333333 Sorting of 7,000,000 random values__________________ (sec): 2.95666666666666 2800x2800 cross-product matrix (b = a' * a)_________ (sec): 27.52 Linear regr. over a 3000x3000 matrix (c = a \ b')___ (sec): 13.9033333333333 -------------------------------------------- Trimmed geom. mean (2 extremes eliminated): 4.74161783199283 II. Matrix functions -------------------- FFT over 2,400,000 random values____________________ (sec): 3.17666666666668 Eigenvalues of a 640x640 random matrix______________ (sec): 3.80666666666665 Determinant of a 2500x2500 random matrix____________ (sec): 14.2966666666666 Cholesky decomposition of a 3000x3000 matrix________ (sec): 12.0433333333334 Inverse of a 1600x1600 random matrix________________ (sec): 10.8966666666667 -------------------------------------------- Trimmed geom. mean (2 extremes eliminated): 7.93466155879466 III. Programmation ------------------ 3,500,000 Fibonacci numbers calculation (vector calc)(sec): 3.01999999999998 Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec): 2.12333333333333 Grand common divisors of 400,000 pairs (recursion)__ (sec): 5.03666666666667 Creation of a 500x500 Toeplitz matrix (loops)_______ (sec): 2.77666666666668 Escoufier's method on a 45x45 matrix (mixed)________ (sec): 2.37000000000000 -------------------------------------------- Trimmed geom. mean (2 extremes eliminated): 2.7086923335287 Total time for all 15 tests_________________________ (sec): 108.963333333333 Overall mean (sum of I, II and III trimmed means/3)_ (sec): 4.67094633633119 --- End of test ---