diff --git a/bench/BenchUtil.h b/bench/BenchUtil.h
new file mode 100644
index 0000000..8883a13
--- /dev/null
+++ b/bench/BenchUtil.h
@@ -0,0 +1,92 @@
+
+#ifndef EIGEN_BENCH_UTIL_H
+#define EIGEN_BENCH_UTIL_H
+
+#include <Eigen/Core>
+#include "BenchTimer.h"
+
+using namespace std;
+using namespace Eigen;
+
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition.hpp>
+#include <boost/preprocessor/seq.hpp>
+#include <boost/preprocessor/array.hpp>
+#include <boost/preprocessor/arithmetic.hpp>
+#include <boost/preprocessor/comparison.hpp>
+#include <boost/preprocessor/punctuation.hpp>
+#include <boost/preprocessor/punctuation/comma.hpp>
+#include <boost/preprocessor/stringize.hpp>
+
+template<typename MatrixType> void initMatrix_random(MatrixType& mat) __attribute__((noinline));
+template<typename MatrixType> void initMatrix_random(MatrixType& mat)
+{
+  mat.setRandom();// = MatrixType::random(mat.rows(), mat.cols());
+}
+
+template<typename MatrixType> void initMatrix_identity(MatrixType& mat) __attribute__((noinline));
+template<typename MatrixType> void initMatrix_identity(MatrixType& mat)
+{
+  mat.setIdentity();
+}
+
+#ifndef __INTEL_COMPILER
+#define DISABLE_SSE_EXCEPTIONS()  { \
+  int aux; \
+  asm( \
+  "stmxcsr   %[aux]           \n\t" \
+  "orl       $32832, %[aux]   \n\t" \
+  "ldmxcsr   %[aux]           \n\t" \
+  : : [aux] "m" (aux)); \
+}
+#else
+#define DISABLE_SSE_EXCEPTIONS()  
+#endif
+
+#ifdef BENCH_GMM
+#include <gmm/gmm.h>
+template <typename EigenMatrixType, typename GmmMatrixType>
+void eiToGmm(const EigenMatrixType& src, GmmMatrixType& dst)
+{
+  dst.resize(src.rows(),src.cols());
+  for (int j=0; j<src.cols(); ++j)
+    for (int i=0; i<src.rows(); ++i)
+      dst(i,j) = src.coeff(i,j);
+}
+#endif
+
+
+#ifdef BENCH_GSL
+#include <gsl/gsl_matrix.h>
+#include <gsl/gsl_linalg.h>
+#include <gsl/gsl_eigen.h>
+template <typename EigenMatrixType>
+void eiToGsl(const EigenMatrixType& src, gsl_matrix** dst)
+{
+  for (int j=0; j<src.cols(); ++j)
+    for (int i=0; i<src.rows(); ++i)
+      gsl_matrix_set(*dst, i, j, src.coeff(i,j));
+}
+#endif
+
+#ifdef BENCH_UBLAS
+#include <boost/numeric/ublas/matrix.hpp>
+#include <boost/numeric/ublas/vector.hpp>
+template <typename EigenMatrixType, typename UblasMatrixType>
+void eiToUblas(const EigenMatrixType& src, UblasMatrixType& dst)
+{
+  dst.resize(src.rows(),src.cols());
+  for (int j=0; j<src.cols(); ++j)
+    for (int i=0; i<src.rows(); ++i)
+      dst(i,j) = src.coeff(i,j);
+}
+template <typename EigenType, typename UblasType>
+void eiToUblasVec(const EigenType& src, UblasType& dst)
+{
+  dst.resize(src.size());
+  for (int j=0; j<src.size(); ++j)
+      dst[j] = src.coeff(j);
+}
+#endif
+
+#endif // EIGEN_BENCH_UTIL_H