diff options
author | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-04-11 14:28:42 +0000 |
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committer | Benoit Jacob <jacob.benoit.1@gmail.com> | 2008-04-11 14:28:42 +0000 |
commit | dcebc46cdcd29fa65449c6d3215f30a28ec0a8c8 (patch) | |
tree | 1e623df72a481574dc523ef096b4a979ebe1b2a9 /bench/benchmarkX.cpp | |
parent | 7bee90a62a0e5fec52a4b8a6f0b1d88c175d63f8 (diff) |
- cleaner use of OpenMP (no code duplication anymore)
using a macro and _Pragma.
- use OpenMP also in cacheOptimalProduct and in the
vectorized paths as well
- kill the vector assignment unroller. implement in
operator= the logic for assigning a row-vector in
a col-vector.
- CMakeLists support for building tests/examples
with -fopenmp and/or -msse2
- updates in bench/, especially replace identity()
by ones() which prevents underflows from perturbing
bench results.
Diffstat (limited to 'bench/benchmarkX.cpp')
-rw-r--r-- | bench/benchmarkX.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/bench/benchmarkX.cpp b/bench/benchmarkX.cpp index 590f2636b..a269f695a 100644 --- a/bench/benchmarkX.cpp +++ b/bench/benchmarkX.cpp @@ -1,33 +1,32 @@ -// g++ -O3 -DNDEBUG benchmarkX.cpp -o benchmarkX && time ./benchmarkX - +// g++ -fopenmp -I .. -O3 -DNDEBUG -finline-limit=1000 benchmarkX.cpp -o b && time ./b #include <Eigen/Core> using namespace std; USING_PART_OF_NAMESPACE_EIGEN #ifndef MATTYPE -#define MATTYPE MatrixXd +#define MATTYPE MatrixXLd #endif #ifndef MATSIZE -#define MATSIZE 20 +#define MATSIZE 400 #endif #ifndef REPEAT -#define REPEAT 100000 +#define REPEAT 100 #endif int main(int argc, char *argv[]) { - MATTYPE I = MATTYPE::identity(MATSIZE,MATSIZE); + MATTYPE I = MATTYPE::ones(MATSIZE,MATSIZE); MATTYPE m(MATSIZE,MATSIZE); for(int i = 0; i < MATSIZE; i++) for(int j = 0; j < MATSIZE; j++) { - m(i,j) = 0.1 * (i+MATSIZE*j)/MATSIZE; + m(i,j) = (i+j+1)/(MATSIZE*MATSIZE); } for(int a = 0; a < REPEAT; a++) { - m = I + 0.00005 * (m + m*m); + m = I + 0.0001 * (m + m*m); } cout << m(0,0) << endl; return 0; |