h = &tm->hash;
+#if BIHASH_32_64_SVM
+ BV (clib_bihash_master_init_svm) (h, "test", user_buckets,
+ 0x30000000 /* base_addr */ ,
+ user_memory_size);
+#else
BV (clib_bihash_init) (h, "test", user_buckets, user_memory_size);
+#endif
before = clib_time_now (&tm->clib_time);
h = &tm->hash;
+#if BIHASH_32_64_SVM
+ BV (clib_bihash_master_init_svm) (h, "test", tm->nbuckets,
+ 0x30000000 /* base_addr */ ,
+ tm->hash_memory_size);
+#else
BV (clib_bihash_init) (h, "test", tm->nbuckets, tm->hash_memory_size);
+#endif
fformat (stdout, "Add %d items to %d buckets\n", tm->nitems, tm->nbuckets);
h = &tm->hash;
+#if BIHASH_32_64_SVM
+ BV (clib_bihash_master_init_svm) (h, "test", tm->nbuckets,
+ 0x30000000 /* base_addr */ ,
+ tm->hash_memory_size);
+#else
BV (clib_bihash_init) (h, "test", tm->nbuckets, tm->hash_memory_size);
+#endif
tm->thread_barrier = 1;
h = &tm->hash;
+#if BIHASH_32_64_SVM
+ BV (clib_bihash_master_init_svm) (h, "test", tm->nbuckets,
+ 0x30000000 /* base_addr */ ,
+ tm->hash_memory_size);
+#else
BV (clib_bihash_init) (h, "test", tm->nbuckets, tm->hash_memory_size);
+#endif
for (acycle = 0; acycle < tm->ncycles; acycle++)
{
{
for (i = 0; i < tm->nitems; i++)
{
+ /* Prefetch buckets 8 iterations ahead */
+ if (1 && (i < (tm->nitems - 8)))
+ {
+ BVT (clib_bihash_kv) pref_kv;
+ u64 pref_hash;
+ pref_kv.key = tm->keys[i + 8];
+ pref_hash = BV (clib_bihash_hash) (&pref_kv);
+ BV (clib_bihash_prefetch_bucket) (h, pref_hash);
+ }
+
kv.key = tm->keys[i];
if (BV (clib_bihash_search) (h, &kv, &kv) < 0)
if (BV (clib_bihash_search) (h, &kv, &kv) < 0)
total_searches = (uword) tm->search_iter * (uword) tm->nitems;
if (delta > 0)
- fformat (stdout, "%.f searches per second\n",
- ((f64) total_searches) / delta);
+ fformat (stdout,
+ "%.f searches per second, %.2f nsec per search\n",
+ ((f64) total_searches) / delta,
+ 1e9 * (delta / ((f64) total_searches)));
fformat (stdout, "%lld searches in %.6f seconds\n", total_searches,
delta);
{
for (j = 0; j < tm->nitems; j++)
{
+ /* Prefetch buckets 8 iterations ahead */
+ if (1 && (j < (tm->nitems - 8)))
+ {
+ BVT (clib_bihash_kv) pref_kv;
+ u64 pref_hash;
+ pref_kv.key = tm->keys[j + 8];
+ pref_hash = BV (clib_bihash_hash) (&pref_kv);
+ BV (clib_bihash_prefetch_bucket) (h, pref_hash);
+ }
+
kv.key = tm->keys[j];
rv = BV (clib_bihash_search) (h, &kv, &kv);
if (j <= i && rv >= 0)
fformat (stdout, "End of run, should be empty...\n");
fformat (stdout, "%U", BV (format_bihash), h, 0 /* very verbose */ );
+
+ BV (clib_bihash_free) (h);
+
return 0;
}
int which = 0;
tm->report_every_n = 1;
- tm->hash_memory_size = 4095ULL << 20;
+ tm->hash_memory_size = 1ULL << 30;
while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
{