Révision 293 ETSN/MySteps.c

MySteps.c (revision 293)
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/* Simple SillySum function in C and OpenMP/C */
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/* compilation with : gcc -fopenmp -O3 -o MySteps MySteps.c -lm -lgomp */
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/* Simple SillySum function in C */
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/* compilation with : gcc -O3 -o MySteps MySteps.c -lm */
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#include <math.h>


  		





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#include <stdio.h>


  		





  ......




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  MYFLOAT elapsed=(MYFLOAT)((tv2.tv_sec-tv1.tv_sec) * 1000000L +


  		





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			    (tv2.tv_usec-tv1.tv_usec))/1000000;


  		





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  gettimeofday(&tv1, NULL);


  		





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  MySillySumOMP(resacc,a,b,calls,size);


  		





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  gettimeofday(&tv2, NULL);


  		





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  MYFLOAT elapsedAcc=(MYFLOAT)((tv2.tv_sec-tv1.tv_sec) * 1000000L +


  		





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			       (tv2.tv_usec-tv1.tv_usec))/1000000;


  		





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  MYFLOAT MyChecker=MyNorm(res,resacc,size);


  		





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  printf("Norm: %.8e\n",MyChecker);


  		





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#ifdef VERBOSE


  		





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  MyPrint(res,size);


  		





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  MyPrint(resacc,size);


  		





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#endif


  		





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  printf("Elapsed Time: %.3f\n",elapsed);


  		





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  printf("OMP Elapsed Time: %.3f\n",elapsedAcc);


  		





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  printf("NaiveRate: %.i\n",(int)((float)size/elapsed));


  		





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  printf("OMPRate: %.i\n",(int)((float)size/elapsedAcc));


  		





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  printf("AccRatio: %.3f\n",elapsed/elapsedAcc);


  		





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  free(a);


  		





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  free(b);


  		





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  free(res);


  		












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