diff options
author | 2020-04-22 10:02:31 -0400 | |
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committer | 2020-04-22 19:58:20 +0000 | |
commit | 053d0935244843199c433e92df666b4f79007727 (patch) | |
tree | 82fa449bd70f36a6d5ac75abcb3b89d8685bc868 /src/vppinfra/test_flowhash_template.c | |
parent | f932f97d7d8e55ab62aba0f18d59a9622c21efd8 (diff) |
vppinfra: move unused code to extras/deprecated/vppinfra
Type: improvement
Signed-off-by: Dave Barach <dave@barachs.net>
Change-Id: Id28299a188feefa1899d835fd499f018af95d81b
Diffstat (limited to 'src/vppinfra/test_flowhash_template.c')
-rw-r--r-- | src/vppinfra/test_flowhash_template.c | 257 |
1 files changed, 0 insertions, 257 deletions
diff --git a/src/vppinfra/test_flowhash_template.c b/src/vppinfra/test_flowhash_template.c deleted file mode 100644 index 19ac4edf2e2..00000000000 --- a/src/vppinfra/test_flowhash_template.c +++ /dev/null @@ -1,257 +0,0 @@ -/* - * Copyright (c) 2015 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. - */ - -#include <vppinfra/time.h> -#include <vppinfra/cache.h> -#include <vppinfra/error.h> - -#include <vppinfra/heap.h> -#include <vppinfra/format.h> -#include <vppinfra/random.h> -#include <vppinfra/hash.h> - -#include <vppinfra/flowhash_8_8.h> - -/* Not actually tested here. But included for compilation purposes. */ -#include <vppinfra/flowhash_24_16.h> - -typedef struct -{ - u64 seed; - u32 fixed_entries; - u32 collision_buckets; - u32 nitems; - u32 iterations; - u32 prefetch; - int non_random_keys; - uword *key_hash; - flowhash_lkey_8_8_t *keys; - flowhash_8_8_t *hash; - clib_time_t clib_time; - unformat_input_t *input; -} test_main_t; - -test_main_t test_main; - -static clib_error_t * -test_flowhash (test_main_t * tm) -{ - f64 before, delta; - u64 total; - u32 overflow; - int i, j; - uword *p; - tm->hash = flowhash_alloc_8_8 (tm->fixed_entries, tm->collision_buckets); - if (tm->hash == NULL) - return clib_error_return (0, "Could not alloc hash"); - - fformat (stdout, "Allocated hash memory size: %llu\n", - flowhash_memory_size (tm->hash)); - - fformat (stdout, "Pick %lld unique %s keys...\n", - tm->nitems, tm->non_random_keys ? "non-random" : "random"); - - for (i = 0; i < tm->nitems; i++) - { - flowhash_lkey_8_8_t rndkey; - if (tm->non_random_keys == 0) - { - again: - rndkey.as_u64[0] = random_u64 (&tm->seed); - if ((p = hash_get (tm->key_hash, rndkey.as_u64[0]))) - goto again; - } - else - rndkey.as_u64[0] = (u64) (i + 1) << 16; - - hash_set (tm->key_hash, rndkey.as_u64[0], i + 1); - vec_add1 (tm->keys, rndkey); - } - - hash_free (tm->key_hash); - - /* Additions */ - overflow = 0; - before = clib_time_now (&tm->clib_time); - fformat (stdout, "Adding %u items...\n", tm->nitems); - for (i = 0; i < tm->nitems; i++) - { - u32 hash = flowhash_hash_8_8 (&tm->keys[i]); - u32 ei; - flowhash_get_8_8 (tm->hash, &tm->keys[i], hash, 1, &ei); - if (flowhash_is_overflow (ei)) - overflow++; - - /* Set value (No matter if success) */ - flowhash_value (tm->hash, ei)->as_u64[0] = i + 1; - - /* Save value until time > 1 */ - flowhash_timeout (tm->hash, ei) = 1; - } - - delta = clib_time_now (&tm->clib_time) - before; - total = tm->nitems; - fformat (stdout, "%lld additions in %.6f seconds\n", total, delta); - if (delta > 0) - fformat (stdout, "%.f additions per second\n", ((f64) total) / delta); - - fformat (stdout, "%u elements in table\n", flowhash_elts_8_8 (tm->hash, 1)); - fformat (stdout, "Flowhash counters:\n"); - fformat (stdout, " collision-lookup: %lu\n", - tm->hash->collision_lookup_counter); - fformat (stdout, " not-enough-buckets: %lu\n", - tm->hash->not_enough_buckets_counter); - fformat (stdout, " overflows: %lu\n", overflow); - - /* Lookups (very similar to additions) */ - overflow = 0; - before = clib_time_now (&tm->clib_time); - fformat (stdout, "Looking up %u items %u times...\n", tm->nitems, - tm->iterations); - - for (j = 0; j < tm->iterations; j++) - { - i = 0; - if (tm->prefetch) - for (; i < tm->nitems - tm->prefetch; i++) - { - u32 ei; - u32 hash = flowhash_hash_8_8 (&tm->keys[i + tm->prefetch]); - flowhash_prefetch (tm->hash, hash); - hash = flowhash_hash_8_8 (&tm->keys[i]); - flowhash_get_8_8 (tm->hash, &tm->keys[i], hash, 1, &ei); - if (flowhash_is_overflow (ei)) - overflow++; - else if (flowhash_timeout (tm->hash, ei) != 1) - clib_warning ("Key not found: %lld\n", tm->keys[i].as_u64[0]); - else if (flowhash_value (tm->hash, ei)->as_u64[0] != i + 1) - clib_warning ("Value mismatch for key %lld\n", - tm->keys[i].as_u64[0]); - } - - for (; i < tm->nitems; i++) - { - u32 ei; - u32 hash = flowhash_hash_8_8 (&tm->keys[i]); - flowhash_get_8_8 (tm->hash, &tm->keys[i], hash, 1, &ei); - if (flowhash_is_overflow (ei)) - overflow++; - else if (flowhash_timeout (tm->hash, ei) != 1) - clib_warning ("Key not found: %lld\n", tm->keys[i].as_u64[0]); - else if (flowhash_value (tm->hash, ei)->as_u64[0] != i + 1) - clib_warning ("Value mismatch for key %lld\n", - tm->keys[i].as_u64[0]); - } - } - - delta = clib_time_now (&tm->clib_time) - before; - total = tm->nitems * tm->iterations; - fformat (stdout, "%lld lookups in %.6f seconds\n", total, delta); - if (delta > 0) - fformat (stdout, "%.f lookups per second\n", ((f64) total) / delta); - - /* Delete */ - for (i = 0; i < tm->nitems; i++) - { - u32 hash = flowhash_hash_8_8 (&tm->keys[i]); - u32 ei; - flowhash_get_8_8 (tm->hash, &tm->keys[i], hash, 1, &ei); - flowhash_timeout (tm->hash, ei) = 0; - } - - fformat (stdout, "%u elements in table\n", flowhash_elts_8_8 (tm->hash, 1)); - - vec_free (tm->keys); - flowhash_free_8_8 (tm->hash); - - return NULL; -} - -clib_error_t * -test_flowhash_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, "fixed-entries %d", &tm->fixed_entries)) - ; - else if (unformat (i, "collision-buckets %d", &tm->collision_buckets)) - ; - else if (unformat (i, "non-random-keys")) - tm->non_random_keys = 1; - else if (unformat (i, "nitems %d", &tm->nitems)) - ; - else if (unformat (i, "prefetch %d", &tm->prefetch)) - ; - else if (unformat (i, "iterations %d", &tm->iterations)) - ; - else - return clib_error_return (0, "unknown input '%U'", - format_unformat_error, i); - } - - error = test_flowhash (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_mem_init (0, 3ULL << 30); - - tm->fixed_entries = 8 << 20; - tm->collision_buckets = 1 << 20; - tm->seed = 0xdeadf00l; - tm->iterations = 1; - tm->input = &i; - tm->nitems = 1000; - tm->non_random_keys = 0; - tm->key_hash = hash_create (0, sizeof (uword)); - tm->prefetch = 0; - clib_time_init (&tm->clib_time); - - unformat_init_command_line (&i, argv); - error = test_flowhash_main (tm); - unformat_free (&i); - - if (error) - { - clib_error_report (error); - return 1; - } - return 0; - - return 0; -} -#endif /* CLIB_UNIX */ - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |