Start Benchmarking A: scalar product

 <x,y> = 2.5e+08


N = 250000000
Time for Nloops: 11
Timing in sec. : 0.21
GFLOPS         : 2.2
GiByte/s       : 17



Start Benchmarking A: scalar product with cblas

 <x,y> = 2.5e+08


N = 250000000
Time for Nloops: 5.7
Timing in sec. : 0.11
GFLOPS         : 4.1
GiByte/s       : 33



Start Benchmarking A: scalar product with Kahan summation

 <x,y> = 2.5e+08


N = 250000000
Time for Nloops: 11
Timing in sec. : 0.22



Start Benchmarking A_norm: euclidean norm

 ||x|| = 1.6e+04


N = 250000000
Time for Nloops: 6.1
Timing in sec. : 0.12
GFLOPS         : 3.8
GiByte/s       : 15



Start Benchmarking B: Matrix-Vector Product (row wise access)

 <A[17,.],x> = 8e+03


N = 8000         M = 8000
Time for Nloops: 10
Timing in sec. : 0.026
GFLOPS         : 4.7
GiByte/s       : 37



Start Benchmarking B: Matrix-Vector Product (column wise access)

 <A[17,.],x> = 8e+03


N = 8000         M = 8000
Time for Nloops: 13
Timing in sec. : 0.032
GFLOPS         : 3.7
GiByte/s       : 30



Start Benchmarking B: Matrix-Vector Product with cblas (row wise access)

 <A[17,.],x> = 8e+03


N = 8000         M = 8000
Time for Nloops: 13
Timing in sec. : 0.032
GFLOPS         : 3.8
GiByte/s       : 30



Start Benchmarking C: Matrix-Matrix Product

 C[10,15] = 4e+03


N = 4000         M = 4000        L = 4000
Time for Nloops: 29
Timing in sec. : 29
GFLOPS         : 4
GiByte/s       : 0.012



Start Benchmarking C: Matrix-Matrix Product mit cblas

 C[10,15] = 4e+03


N = 4000         M = 4000        L = 4000
Time for Nloops: 6.2
Timing in sec. : 0.62
GFLOPS         : 1.9e+02
GiByte/s       : 0.58



Start Benchmarking D: polynomial evaluation

 p(x[0]) = 1


p = 10000        N = 100000
Time for Nloops: 17
Timing in sec. : 1.2
GFLOPS         : 1.6
GiByte/s       : 13


Solving system of linear equations
Timing in sec. : 0.4    for nrhs= 1
Timing in sec. : 0.4    for nrhs= 2
Timing in sec. : 0.43   for nrhs= 4
Timing in sec. : 0.47   for nrhs= 8
Timing in sec. : 0.54   for nrhs= 16
Timing in sec. : 0.48   for nrhs= 32