.. _program_listing_file_Source_PowerBench_Inc_PowerBench_Utils.h:

Program Listing for File Utils.h
================================

|exhale_lsh| :ref:`Return to documentation for file <file_Source_PowerBench_Inc_PowerBench_Utils.h>` (``Source\PowerBench\Inc\PowerBench\Utils.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include <random>
   #include <vector>
   
   using TestMatrix = std::vector<std::vector<double>>;
   
   namespace Utils {
   constexpr uint32_t CACHE_LINE_BYTES = 64;
   constexpr uint32_t ELEMENTS_PER_LINE = CACHE_LINE_BYTES / sizeof(double);
   
   constexpr size_t BIGGER_THAN_CACHE = 8 * 1024 * 1024;
   inline auto g_dummyVec = std::vector<double>(BIGGER_THAN_CACHE);
   
   const double MATRIX_VAL_MIN = -5.0;
   const double MATRIX_VAL_MAX = 5.0;
   
   inline void ClearCache() {
     for(int i = 0; i < BIGGER_THAN_CACHE; i++)
     {
        g_dummyVec[i] = rand();
     }
   }
   
   inline void CreateRandomMatrix(int64_t size, double* result) {
     std::random_device rd;
     std::mt19937 mt(rd());
   
     const std::uniform_real_distribution<double> randomValue(MATRIX_VAL_MIN, MATRIX_VAL_MAX);
   
     for(int64_t i = 0; i < size; i++)
     {
       for (int64_t j = 0; j < size; j++) {
         result[i * size + j] = randomValue(mt);
       }
     }
   }
   
   inline void CreateEmpty(int64_t size, double* result) {
     for(int64_t i = 0; i < size; i++)
     {
       for (int64_t j = 0; j < size; j++) {
         result[i * size + j] = 0.0;
       }
     }
   }
   
   } // namespace Utils