| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /*************************************** | ||
| 2 | Auteur : Pierre Aubert | ||
| 3 | Mail : pierre.aubert@lapp.in2p3.fr | ||
| 4 | Licence : CeCILL-C | ||
| 5 | ****************************************/ | ||
| 6 | |||
| 7 | #include "micro_benchmark.h" | ||
| 8 | |||
| 9 | ///Do the Hadamard product | ||
| 10 | /** @param[out] tabResult : table of results of tabX*tabY | ||
| 11 | * @param tabX : input table | ||
| 12 | * @param tabY : input table | ||
| 13 | * @param nbElement : number of elements in the tables | ||
| 14 | */ | ||
| 15 | 1038504300 | void hadamard_product(float* tabResult, const float* tabX, const float* tabY, size_t nbElement){ | |
| 16 |
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29195246300 | for(size_t i(0lu); i < nbElement; ++i){ |
| 17 | 28156742000 | tabResult[i] = tabX[i]*tabY[i]; | |
| 18 | } | ||
| 19 | 1038504300 | } | |
| 20 | |||
| 21 | ///Get the number of nanoseconds per elements of the Hadamard product | ||
| 22 | /** @param nbElement : number of elements of the tables | ||
| 23 | */ | ||
| 24 | 66 | void evaluateHadamardProduct(size_t nbElement){ | |
| 25 | //Allocation of the tables | ||
| 26 |
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66 | float * tabResult = new float[nbElement]; |
| 27 |
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66 | float * tabX = new float[nbElement]; |
| 28 |
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66 | float * tabY = new float[nbElement]; |
| 29 | //Initialisation of the tables | ||
| 30 |
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2816 | for(size_t i(0lu); i < nbElement; ++i){ |
| 31 | 2750 | tabX[i] = (float)(i*32lu%17lu); | |
| 32 | 2750 | tabY[i] = (float)(i*57lu%31lu); | |
| 33 | } | ||
| 34 | // size_t nbTestPerf(400lu); | ||
| 35 | // size_t nbCallPerTest(600lu); | ||
| 36 | 66 | size_t fullNbElement(nbElement); | |
| 37 | //Stating the timer | ||
| 38 | // micro_benchmarkNsPrint("evaluateHadamardProduct", | ||
| 39 | // nbTestPerf, nbCallPerTest, fullNbElement, hadamard_product, | ||
| 40 | // tabResult, tabX, tabY, nbElement); | ||
| 41 | |||
| 42 |
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66 | micro_benchmarkAutoNsPrint("evaluateHadamardProductAuto", fullNbElement, hadamard_product, tabResult, tabX, tabY, nbElement); |
| 43 | |||
| 44 | //Deallocate the tables | ||
| 45 |
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66 | delete[] tabResult; |
| 46 |
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66 | delete[] tabX; |
| 47 |
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66 | delete[] tabY; |
| 48 | 66 | } | |
| 49 | |||
| 50 | 11 | int main(int argc, char** argv){ | |
| 51 | 11 | return micro_benchmarkParseArg(argc, argv, evaluateHadamardProduct); | |
| 52 | } | ||
| 53 | |||
| 54 |