Benchmark R-cran without ATLAS (libRblas.so/libRlapack.so)

#CPU: Bi-CPU Intel Xeon 2xE5-2690v3 24c/48t 2.6-3.5 GHz
#RAM: 256G DDR4 ECC 2133 MHz (PC-17066)
#R-cran: R-3.1.2
#GCC: -march=native -Ofast
#ATLAS: NO (only libRblas.so/libRlapack.so)
 R Benchmark 2.5
   ===============
Number of times each test is run__________________________:  3

   I. Matrix calculation
   ---------------------
Creation, transp., deformation of a 2500x2500 matrix (sec):  0.457666666666666
2400x2400 normal distributed random matrix ^1000____ (sec):  0.264000000000001
Sorting of 7,000,000 random values__________________ (sec):  0.683666666666667
2800x2800 cross-product matrix (b = a' * a)_________ (sec):  10.3523333333333
Linear regr. over a 3000x3000 matrix (c = a \ b')___ (sec):  4.62366666666667
                      --------------------------------------------
                 Trimmed geom. mean (2 extremes eliminated):  1.1309933943199

   II. Matrix functions
   --------------------
FFT over 2,400,000 random values____________________ (sec):  0.202333333333331
Eigenvalues of a 640x640 random matrix______________ (sec):  0.677000000000004
Determinant of a 2500x2500 random matrix____________ (sec):  2.948
Cholesky decomposition of a 3000x3000 matrix________ (sec):  3.928
Inverse of a 1600x1600 random matrix________________ (sec):  2.23833333333333
                      --------------------------------------------
                Trimmed geom. mean (2 extremes eliminated):  1.64694957840365
  III. Programmation
   ------------------
3,500,000 Fibonacci numbers calculation (vector calc)(sec):  0.414333333333341
Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec):  0.200999999999993
Grand common divisors of 400,000 pairs (recursion)__ (sec):  0.958000000000008
Creation of a 500x500 Toeplitz matrix (loops)_______ (sec):  0.313999999999993
Escoufier's method on a 45x45 matrix (mixed)________ (sec):  0.361999999999995
                      --------------------------------------------
                Trimmed geom. mean (2 extremes eliminated):  0.361129276252989


Total time for all 15 tests_________________________ (sec):  28.6243333333333
Overall mean (sum of I, II and III trimmed means/3)_ (sec):  0.876195509512644