Benchmark Name
|
Time, sec
|
R version |
3.0.2 |
3.2.0
|
Processor type |
HPG1 |
HPG2 |
HPG1 |
HPG2
|
I. Matrix calculation
|
Creation, transp., deformation of a 2500x2500 matrix |
1.69 |
1.20 |
1.58 |
1.07
|
2400x2400 normal distributed random matrix ^1000 |
2.70 |
1.30 |
2.69 |
1.32
|
Sorting of 7,000,000 random values |
1.32 |
0.81 |
1.36 |
0.87
|
2800x2800 cross-product matrix (b = a' * a) |
25.20 |
13.18 |
2.73 |
0.79
|
Linear regr. over a 3000x3000 matrix (c = a \ b') |
12.57 |
5.92 |
1.37 |
0.41
|
Trimmed geom. mean (2 extremes eliminated) |
3.86 |
2.10 |
1.80 |
0.90
|
II. Matrix functions
|
FFT over 2,400,000 random values |
0.62 |
0.32 |
0.64 |
0.29
|
Eigenvalues of a 640x640 random matrix |
1.75 |
0.93 |
0.81 |
0.35
|
Determinant of a 2500x2500 random matrix |
9.04 |
4.29 |
1.19 |
0.39
|
Cholesky decomposition of a 3000x3000 matrix |
9.27 |
5.07 |
0.99 |
0.40
|
Inverse of a 1600x1600 random matrix |
9.14 |
3.37 |
1.18 |
0.31
|
Trimmed geom. mean (2 extremes eliminated) |
5.25 |
2.38 |
0.98 |
0.35
|
III. Programmation
|
3,500,000 Fibonacci numbers calculation (vector calc)(sec) |
2.97 |
1.47 |
2.70 |
1.35
|
Creation of a 3000x3000 Hilbert matrix (matrix calc) (sec) |
0.62 |
0.43 |
0.44 |
0.32
|
Grand common divisors of 400,000 pairs (recursion) |
1.72 |
1.05 |
0.86 |
0.49
|
Creation of a 500x500 Toeplitz matrix (loops) |
1.21 |
0.52 |
0.74 |
0.34
|
Escoufier's method on a 45x45 matrix (mixed) |
0.88 |
0.62 |
0.62 |
0.40
|
Trimmed geom. mean (2 extremes eliminated) |
1.22 |
0.70 |
0.74 |
0.41
|
Total time for all 15 tests |
80.71 |
40.48 |
19.90 |
9.10
|
Overall mean (sum of I, II and III trimmed means/3)_ (sec) |
2.91 |
1.51 |
1.09 |
0.50
|