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41 rivejä
1.3 KiB
41 rivejä
1.3 KiB
/* Find number of cycles used by function that takes 2 arguments */
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/* Function to be tested takes two integer arguments */
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typedef int (*test_funct)(int, int);
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/* Compute time used by function f */
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double fcyc2(test_funct f, int param1, int param2, int clear_cache);
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/********* These routines are used to help with the analysis *********/
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/*
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Parameters:
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k: How many samples must be within epsilon for convergence
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epsilon: What is tolerance
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maxsamples: How many samples until give up?
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*/
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/* Full version of fcyc with control over parameters */
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double fcyc2_full(test_funct f, int param1, int param2, int clear_cache,
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int k, double epsilon, int maxsamples, int compensate);
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/* Get current minimum */
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double get_min();
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/* What is convergence status for k minimum measurements within epsilon
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Returns 0 if not converged, #samples if converged, and -1 if can't
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reach convergence
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*/
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int has_converged(int k, double epsilon, int maxsamples);
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/* What is error of current measurement */
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double err(int k);
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/************* Try other clocking methods *****************/
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/* Full version that uses the time of day clock */
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double fcyc2_full_tod(test_funct f, int param1, int param2, int clear_cache,
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int k, double epsilon, int maxsamples, int compensate);
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double fcyc2_tod(test_funct f, int param1, int param2, int clear_cache);
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