--- /dev/null
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+__thread int thread_id = 0;
+
+#include <vppinfra/time.h>
+#include <vppinfra/cache.h>
+#include <vppinfra/error.h>
+#include <vppinfra/heap.h>
+#include <vppinfra/format.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/error.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/cache.h>
+
+#define os_get_cpu_number() (thread_id)
+
+#include <vppinfra/cuckoo_8_8.h>
+#include <vppinfra/cuckoo_template.h>
+#include <vppinfra/cuckoo_template.c>
+
+#include <vppinfra/bihash_8_8.h>
+#include <vppinfra/bihash_template.h>
+#include <vppinfra/bihash_template.c>
+
+#include <pthread.h>
+
+#define MAX_THREADS 255
+
+typedef struct
+{
+ void *tm;
+ int thread_idx;
+ u64 nlookups;
+} thread_data_t;
+
+typedef struct
+{
+ u64 deadline;
+ u64 seed;
+ u32 nbuckets;
+ u32 nitems;
+ u32 runtime;
+ int verbose;
+ int non_random_keys;
+ int nthreads;
+ int search_iter;
+ uword *key_hash;
+ u64 *keys;
+ CVT (clib_cuckoo) ch;
+ BVT (clib_bihash) bh;
+ clib_time_t clib_time;
+ u64 *key_add_del_sequence;
+ u8 *key_op_sequence;
+ u64 *key_search_sequence[MAX_THREADS];
+ unformat_input_t *input;
+ u64 nadds;
+ u64 ndels;
+ pthread_t bwriter_thread;
+ pthread_t breader_threads[MAX_THREADS];
+ pthread_t cwriter_thread;
+ pthread_t creader_threads[MAX_THREADS];
+ thread_data_t wthread_data;
+ thread_data_t rthread_data[MAX_THREADS];
+} test_main_t;
+
+test_main_t test_main;
+
+uword
+vl (void *v)
+{
+ return vec_len (v);
+}
+
+#define w_thread(x, guts) \
+ void *x##writer_thread (void *v) \
+ { \
+ test_main_t *tm = v; \
+ uword counter = 0; \
+ u64 nadds = 0; \
+ u64 ndels = 0; \
+ u64 deadline = tm->deadline; \
+ do \
+ { \
+ for (counter = 0; counter < vec_len (tm->key_add_del_sequence); \
+ ++counter) \
+ { \
+ u64 idx = tm->key_add_del_sequence[counter]; \
+ u8 op = tm->key_op_sequence[counter]; \
+ if (op) \
+ { \
+ ++nadds; \
+ } \
+ else \
+ { \
+ ++ndels; \
+ } \
+ guts; \
+ if (clib_cpu_time_now () > deadline) \
+ { \
+ break; \
+ } \
+ } \
+ } \
+ while (clib_cpu_time_now () < deadline); \
+ tm->nadds = nadds; \
+ tm->ndels = ndels; \
+ return NULL; \
+ }
+
+/* *INDENT-OFF* */
+w_thread (b, {
+ BVT (clib_bihash_kv) kv;
+ kv.key = tm->keys[idx];
+ kv.value = *hash_get (tm->key_hash, kv.key);
+ BV (clib_bihash_add_del) (&tm->bh, &kv, op);
+});
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+w_thread (c, {
+ CVT (clib_cuckoo_kv) kv;
+ kv.key = tm->keys[idx];
+ kv.value = *hash_get (tm->key_hash, kv.key);
+ CV (clib_cuckoo_add_del) (&tm->ch, &kv, op, 0);
+});
+/* *INDENT-ON* */
+
+#define r_thread(x, guts) \
+ void *x##reader_thread (void *v) \
+ { \
+ thread_data_t *data = v; \
+ thread_id = data->thread_idx; \
+ test_main_t *tm = data->tm; \
+ uword thread_idx = data->thread_idx; \
+ u64 *idx; \
+ uword nlookups = 0; \
+ u64 deadline = tm->deadline; \
+ do \
+ { \
+ vec_foreach (idx, tm->key_search_sequence[thread_idx]) \
+ { \
+ guts; \
+ ++nlookups; \
+ if (clib_cpu_time_now () > deadline) \
+ { \
+ break; \
+ } \
+ } \
+ } \
+ while (clib_cpu_time_now () < deadline); \
+ data->nlookups = nlookups; \
+ return NULL; \
+ }
+
+/* *INDENT-OFF* */
+r_thread (c, {
+ CVT (clib_cuckoo_kv) kv;
+ kv.key = tm->keys[*idx];
+ kv.value = *hash_get (tm->key_hash, kv.key);
+ CV (clib_cuckoo_search) (&tm->ch, &kv, &kv);
+});
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+r_thread (b, {
+ BVT (clib_bihash_kv) kv;
+ kv.key = tm->keys[*idx];
+ kv.value = *hash_get (tm->key_hash, kv.key);
+ BV (clib_bihash_search) (&tm->bh, &kv, &kv);
+});
+/* *INDENT-ON* */
+
+#define run_threads(x) \
+ do \
+ { \
+ \
+ before = clib_time_now (&tm->clib_time); \
+ tm->deadline = clib_cpu_time_now () + \
+ tm->runtime * tm->clib_time.clocks_per_second; \
+ fformat (stdout, #x "-> Start threads..., runtime is %llu second(s)\n", \
+ (long long unsigned)tm->runtime); \
+ \
+ /* \
+ fformat (stdout, #x "-> Writer thread only...\n"); \
+ if (0 != \
+ pthread_create (&tm->x##writer_thread, NULL, x##writer_thread, tm)) \
+ { \
+ perror ("pthread_create()"); \
+ abort (); \
+ } \
+ \
+ if (0 != pthread_join (tm->x##writer_thread, NULL)) \
+ { \
+ perror ("pthread_join()"); \
+ abort (); \
+ } \
+ \
+ delta = clib_time_now (&tm->clib_time) - before; \
+ fformat (stdout, #x "-> %wu adds, %wu dels in %.6f seconds\n", \
+ tm->nadds, tm->ndels, delta); \
+ tm->nadds = 0; \
+ tm->ndels = 0; \
+ */ \
+ \
+ fformat (stdout, #x "-> Writer + %d readers\n", tm->nthreads); \
+ before = clib_time_now (&tm->clib_time); \
+ tm->deadline = clib_cpu_time_now () + \
+ tm->runtime * tm->clib_time.clocks_per_second; \
+ if (0 != \
+ pthread_create (&tm->x##writer_thread, NULL, x##writer_thread, tm)) \
+ { \
+ perror ("pthread_create()"); \
+ abort (); \
+ } \
+ \
+ for (i = 0; i < tm->nthreads; i++) \
+ { \
+ tm->rthread_data[i].nlookups = 0; \
+ if (0 != pthread_create (&tm->x##reader_threads[i], NULL, \
+ x##reader_thread, &tm->rthread_data[i])) \
+ { \
+ perror ("pthread_create()"); \
+ abort (); \
+ } \
+ } \
+ \
+ if (0 != pthread_join (tm->x##writer_thread, NULL)) \
+ { \
+ perror ("pthread_join()"); \
+ abort (); \
+ } \
+ \
+ for (i = 0; i < tm->nthreads; i++) \
+ { \
+ if (0 != pthread_join (tm->x##reader_threads[i], NULL)) \
+ { \
+ perror ("pthread_join()"); \
+ abort (); \
+ } \
+ } \
+ \
+ delta = clib_time_now (&tm->clib_time) - before; \
+ \
+ total_searches = 0; \
+ for (i = 0; i < tm->nthreads; ++i) \
+ { \
+ u64 nlookups = tm->rthread_data[i].nlookups; \
+ fformat (stdout, #x "-> Thread #%d: %u searches\n", i, nlookups); \
+ total_searches += nlookups; \
+ } \
+ \
+ if (delta > 0) \
+ { \
+ ops = (tm->nadds + tm->ndels) / (f64)delta; \
+ fformat (stdout, #x "-> %.f add/dels per second\n", ops); \
+ sps = ((f64)total_searches) / delta; \
+ fformat (stdout, #x "-> %.f searches per second\n", sps); \
+ } \
+ \
+ fformat (stdout, \
+ #x "-> %wu adds, %wu dels, %lld searches in %.6f seconds\n", \
+ tm->nadds, tm->ndels, total_searches, delta); \
+ } \
+ while (0);
+
+static void
+cb (CVT (clib_cuckoo) * h, void *ctx)
+{
+ fformat (stdout, "Garbage callback called...\n");
+}
+
+static clib_error_t *
+test_cuckoo_bihash (test_main_t * tm)
+{
+ int i;
+ uword *p;
+ uword total_searches;
+ f64 before, delta;
+ f64 ops = 0, sps = 0;
+ f64 bops = 0, bsps = 0;
+ f64 cops = 0, csps = 0;
+ CVT (clib_cuckoo) * ch;
+ BVT (clib_bihash) * bh;
+
+ ch = &tm->ch;
+ bh = &tm->bh;
+
+ CV (clib_cuckoo_init) (ch, "test", 1, cb, NULL);
+ BV (clib_bihash_init) (bh, (char *) "test", tm->nbuckets, 256 << 20);
+
+ fformat (stdout, "Pick %lld unique %s keys...\n", tm->nitems,
+ tm->non_random_keys ? "non-random" : "random");
+
+ for (i = 0; i < tm->nitems; i++)
+ {
+ u64 rndkey;
+
+ if (tm->non_random_keys == 0)
+ {
+
+ again:
+ rndkey = random_u64 (&tm->seed);
+
+ p = hash_get (tm->key_hash, rndkey);
+ if (p)
+ goto again;
+ }
+ else
+ rndkey = (u64) (i + 1) << 16;
+
+ hash_set (tm->key_hash, rndkey, i + 1);
+ vec_add1 (tm->keys, rndkey);
+
+ int j;
+ for (j = 0; j < tm->nthreads; ++j)
+ {
+ u64 *x = tm->key_search_sequence[j];
+ vec_add1 (x, random_u64 (&tm->seed) % tm->nitems);
+ tm->key_search_sequence[j] = x;
+ }
+ vec_add1 (tm->key_add_del_sequence,
+ random_u64 (&tm->seed) % tm->nitems);
+ vec_add1 (tm->key_op_sequence, (rndkey % 10 < 8) ? 1 : 0);
+ }
+
+ int thread_counter = 0;
+ tm->wthread_data.tm = tm;
+ tm->wthread_data.thread_idx = thread_counter;
+ for (i = 0; i < tm->nthreads; ++i)
+ {
+ tm->rthread_data[i].tm = tm;
+ tm->rthread_data[i].thread_idx = thread_counter;
+ tm->rthread_data[i].nlookups = 0;
+ ++thread_counter;
+ }
+
+ int iter;
+ for (iter = 0; iter < tm->search_iter; ++iter)
+ {
+ fformat (stdout, "Bihash test #%d\n", iter);
+ run_threads (b);
+ bops = ops;
+ bsps = sps;
+ fformat (stdout, "%U", BV (format_bihash), bh, 0);
+ fformat (stdout, "Cuckoo test #%d\n", iter);
+ run_threads (c);
+ cops = ops;
+ csps = sps;
+ fformat (stdout, "%U", CV (format_cuckoo), ch, 0);
+ fformat (stdout,
+ "Bihash add/del speed is %.2f%% of cuckoo add/del speed\n",
+ bops / cops * 100);
+ fformat (stdout,
+ "Bihash search speed is %.2f%% of cuckoo search speed\n",
+ bsps / csps * 100);
+ }
+ return 0;
+}
+
+clib_error_t *
+test_cuckoo_bihash_main (test_main_t * tm)
+{
+ unformat_input_t *i = tm->input;
+ clib_error_t *error;
+
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "seed %u", &tm->seed))
+ ;
+ else if (unformat (i, "nbuckets %d", &tm->nbuckets))
+ ;
+ else if (unformat (i, "non-random-keys"))
+ tm->non_random_keys = 1;
+ else if (unformat (i, "nitems %d", &tm->nitems))
+ ;
+ else if (unformat (i, "search_iter %d", &tm->search_iter))
+ ;
+ else if (unformat (i, "verbose %d", &tm->verbose))
+ ;
+ else if (unformat (i, "runtime %d", &tm->runtime))
+ ;
+ else if (unformat (i, "nthreads %d", &tm->nthreads))
+ ;
+ else if (unformat (i, "verbose"))
+ tm->verbose = 1;
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, i);
+ }
+
+ error = test_cuckoo_bihash (tm);
+
+ return error;
+}
+
+#ifdef CLIB_UNIX
+int
+main (int argc, char *argv[])
+{
+ unformat_input_t i;
+ clib_error_t *error;
+ test_main_t *tm = &test_main;
+ clib_memset (&test_main, 0, sizeof (test_main));
+
+ clib_mem_init (0, 3ULL << 30);
+
+ tm->input = &i;
+ tm->seed = 0xdeaddabe;
+
+ tm->nbuckets = 2;
+ tm->nitems = 5;
+ tm->verbose = 1;
+ tm->nthreads = 1;
+ clib_time_init (&tm->clib_time);
+ tm->runtime = 1;
+ tm->search_iter = 1;
+ tm->key_hash = hash_create (0, sizeof (uword));
+
+ unformat_init_command_line (&i, argv);
+ error = test_cuckoo_bihash_main (tm);
+ unformat_free (&i);
+
+ if (error)
+ {
+ clib_error_report (error);
+ return 1;
+ }
+ return 0;
+}
+#endif /* CLIB_UNIX */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff