From 9d9d81ad71a52c33ba4db9f8a6059d435d279316 Mon Sep 17 00:00:00 2001 From: Gael Guennebaud Date: Sun, 9 Mar 2008 16:13:47 +0000 Subject: * basic support for multicore CPU via a .evalOMP() which internaly uses OpenMP if enabled at compile time. * added a bench/ folder with a couple benchmarks and benchmark tools. --- bench/basicbenchmark.cpp | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 bench/basicbenchmark.cpp (limited to 'bench/basicbenchmark.cpp') diff --git a/bench/basicbenchmark.cpp b/bench/basicbenchmark.cpp new file mode 100644 index 000000000..c44ed4514 --- /dev/null +++ b/bench/basicbenchmark.cpp @@ -0,0 +1,46 @@ + +#include "BenchUtil.h" +#include "basicbenchmark.h" + +int main(int argc, char *argv[]) +{ + // disbale floating point exceptions + // this leads to more stable bench results + // (this is done by default by ICC) + #ifndef __INTEL_COMPILER + { + int aux; + asm( + "stmxcsr %[aux] \n\t" + "orl $32832, %[aux] \n\t" + "ldmxcsr %[aux] \n\t" + : : [aux] "m" (aux)); + } + #endif + + // this is the list of matrix type and size we want to bench: + // ((suffix) (matrix size) (number of iterations)) + #define MODES ((3d)(3)(4000000)) ((4d)(4)(1000000)) ((Xd)(4)(1000000)) ((Xd)(20)(10000)) +// #define MODES ((Xd)(20)(10000)) + + #define _GENERATE_HEADER(R,ARG,EL) << BOOST_PP_STRINGIZE(BOOST_PP_SEQ_HEAD(EL)) << "-" \ + << BOOST_PP_STRINGIZE(BOOST_PP_SEQ_ELEM(1,EL)) << "x" \ + << BOOST_PP_STRINGIZE(BOOST_PP_SEQ_ELEM(1,EL)) << " / " + + std::cout BOOST_PP_SEQ_FOR_EACH(_GENERATE_HEADER, ~, MODES ) << endl; + + const int tries = 10; + + #define _RUN_BENCH(R,ARG,EL) \ + std::cout << ARG( \ + BOOST_PP_CAT(Matrix, BOOST_PP_SEQ_HEAD(EL)) (\ + BOOST_PP_SEQ_ELEM(1,EL),BOOST_PP_SEQ_ELEM(1,EL)), BOOST_PP_SEQ_ELEM(2,EL), tries) \ + << " "; + + BOOST_PP_SEQ_FOR_EACH(_RUN_BENCH, benchBasic, MODES ); + std::cout << endl; + BOOST_PP_SEQ_FOR_EACH(_RUN_BENCH, benchBasic, MODES ); + std::cout << endl; + + return 0; +} -- cgit v1.2.3