counts.c


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#include <stdint.h>
#include <stdio.h>

#include "counts.h"

struct counts counts[MAX_COUNTS];

static void clear(struct counts *c)
{
	*c = (struct counts) {0};
}

void clear_all_counts(void)
{
	for (int i = 0; i < MAX_COUNTS; i++)
		clear(counts+i);
}

void clear_accumulator(void)
{
	clear(counts);
}

void add_counts(struct counts *target, struct counts *snapshot)
{
	target->compare += counts[CURRENT].compare - snapshot->compare;
	target->rotate  += counts[CURRENT].rotate  - snapshot->rotate;
	target->swap    += counts[CURRENT].swap    - snapshot->swap;
}

void print_counts(void)
{
	char *labels[] = {"total", "sortnet", "overlap", "merge", "move buffer", "distribute"};
	for (int i = 0; i < MAX_COUNTS; i++) {
		const struct counts *c = counts+i;
		dprintf(42, "%12s: %10lu cmp, %10lu swap, %10lu rotate\n", labels[i], c->compare, c->swap, c->rotate);
	}
}