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author | Narayan Kamath <narayan@google.com> | 2012-11-02 10:59:05 +0000 |
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committer | Xiaotao Duan <xiaotao@google.com> | 2012-11-07 14:17:48 -0800 |
commit | c981c48f5bc9aefeffc0bcb0cc3934c2fae179dd (patch) | |
tree | 54d1c7d66098154c1d7c5bd414394ef4cf255810 /bench/quatmul.cpp | |
parent | 63f67d748682b46d58be31235a0a2d64d81b998c (diff) | |
download | eigen-jb-mr1.1-release.tar.gz |
Initial import of eigen 3.1.1android-cts-4.4_r4android-cts-4.2_r2android-4.4_r1.2.0.1android-4.4_r1.2android-4.4_r1.1.0.1android-4.4_r1.1android-4.4_r1.0.1android-4.4_r1android-4.4_r0.9android-4.4_r0.8android-4.3_r2.3android-4.3_r2.2android-4.3_r2.1android-4.3_r2android-4.3_r1.1android-4.3_r1android-4.3_r0.9.1android-4.3_r0.9android-4.2.2_r1.2android-4.2.2_r1.1android-4.2.2_r1kitkat-releasekitkat-cts-releasejb-mr2.0-releasejb-mr2-releasejb-mr1.1-releasejb-mr1.1-dev
Added a README.android and a MODULE_LICENSE_MPL2 file.
Added empty Android.mk and CleanSpec.mk to optimize Android build.
Non MPL2 license code is disabled in ./Eigen/src/Core/util/NonMPL2.h.
Trying to include such files will lead to an error.
Change-Id: I0e148b7c3e83999bcc4dfaa5809d33bfac2aac32
Diffstat (limited to 'bench/quatmul.cpp')
-rw-r--r-- | bench/quatmul.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/bench/quatmul.cpp b/bench/quatmul.cpp new file mode 100644 index 000000000..8d9d7922c --- /dev/null +++ b/bench/quatmul.cpp @@ -0,0 +1,47 @@ +#include <iostream> +#include <Eigen/Core> +#include <Eigen/Geometry> +#include <bench/BenchTimer.h> + +using namespace Eigen; + +template<typename Quat> +EIGEN_DONT_INLINE void quatmul_default(const Quat& a, const Quat& b, Quat& c) +{ + c = a * b; +} + +template<typename Quat> +EIGEN_DONT_INLINE void quatmul_novec(const Quat& a, const Quat& b, Quat& c) +{ + c = internal::quat_product<0, Quat, Quat, typename Quat::Scalar, Aligned>::run(a,b); +} + +template<typename Quat> void bench(const std::string& label) +{ + int tries = 10; + int rep = 1000000; + BenchTimer t; + + Quat a(4, 1, 2, 3); + Quat b(2, 3, 4, 5); + Quat c; + + std::cout.precision(3); + + BENCH(t, tries, rep, quatmul_default(a,b,c)); + std::cout << label << " default " << 1e3*t.best(CPU_TIMER) << "ms \t" << 1e-6*double(rep)/(t.best(CPU_TIMER)) << " M mul/s\n"; + + BENCH(t, tries, rep, quatmul_novec(a,b,c)); + std::cout << label << " novec " << 1e3*t.best(CPU_TIMER) << "ms \t" << 1e-6*double(rep)/(t.best(CPU_TIMER)) << " M mul/s\n"; +} + +int main() +{ + bench<Quaternionf>("float "); + bench<Quaterniond>("double"); + + return 0; + +} + |