这是一个本人学习 csapp 的 learning 库
Du kan inte välja fler än 25 ämnen Ämnen måste starta med en bokstav eller siffra, kan innehålla bindestreck ('-') och vara max 35 tecken långa.
 
 
 
 
 
 

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542 B

/* Routines for using cycle counter */
/* Start the counter */
void start_counter();
/* Get # cycles since counter started */
double get_counter();
/* Measure overhead for counter */
double ovhd();
/* Determine clock rate of processor (using a default sleeptime) */
double mhz(int verbose);
/* Determine clock rate of processor, having more control over accuracy */
double mhz_full(int verbose, int sleeptime);
/** Special counters that compensate for timer interrupt overhead */
void start_comp_counter();
double get_comp_counter();