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67 lines
1.2 KiB
67 lines
1.2 KiB
#include <stdio.h>
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#include <inttypes.h>
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#include <stdint.h>
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#include "../../common.h"
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#ifndef IR
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#define IR 3000000
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#endif /* IR */
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static int a CK_CC_CACHELINE;
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static int b CK_CC_CACHELINE;
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int
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main(void)
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{
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uint64_t s, e;
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unsigned int i;
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s = rdtsc();
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for (i = 0; i < IR; i++) {
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ck_pr_load_int(&a);
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ck_pr_fence_strict_load();
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ck_pr_load_int(&b);
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}
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e = rdtsc();
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printf("[A] fence_load: %" PRIu64 "\n", (e - s) / IR);
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s = rdtsc();
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for (i = 0; i < IR; i++) {
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if (ck_pr_load_int(&a) == 0)
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ck_pr_barrier();
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ck_pr_fence_strict_lock();
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ck_pr_load_int(&b);
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}
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e = rdtsc();
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printf("[A] fence_lock: %" PRIu64 "\n", (e - s) / IR);
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s = rdtsc();
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for (i = 0; i < IR; i++) {
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ck_pr_store_int(&a, 0);
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ck_pr_fence_strict_store();
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ck_pr_store_int(&b, 0);
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}
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e = rdtsc();
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printf("[B] fence_store: %" PRIu64 "\n", (e - s) / IR);
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s = rdtsc();
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for (i = 0; i < IR; i++) {
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ck_pr_store_int(&a, 0);
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ck_pr_fence_strict_memory();
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ck_pr_load_int(&b);
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}
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e = rdtsc();
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printf("[C] fence_memory: %" PRIu64 "\n", (e - s) / IR);
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s = rdtsc();
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for (i = 0; i < IR; i++) {
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ck_pr_store_int(&a, 0);
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ck_pr_faa_int(&a, 0);
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ck_pr_load_int(&b);
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}
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e = rdtsc();
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printf("[C] atomic: %" PRIu64 "\n", (e - s) / IR);
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return 0;
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}
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