diff options
Diffstat (limited to '')
-rw-r--r-- | tests/profile/benchmark-dictionary.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/tests/profile/benchmark-dictionary.c b/tests/profile/benchmark-dictionary.c deleted file mode 100644 index 30c098d5..00000000 --- a/tests/profile/benchmark-dictionary.c +++ /dev/null @@ -1,130 +0,0 @@ -/* SPDX-License-Identifier: GPL-3.0-or-later */ -/* - * 1. build netdata (as normally) - * 2. cd tests/profile/ - * 3. compile with: - * gcc -O3 -Wall -Wextra -I ../../src/ -I ../../ -o benchmark-dictionary benchmark-dictionary.c ../../src/dictionary.o ../../src/log.o ../../src/avl.o ../../src/common.o -pthread - * - */ - -#include "config.h" -#include "libnetdata/libnetdata.h" - -struct myvalue { - int i; -}; - -void netdata_cleanup_and_exit(int ret) { exit(ret); } - -int main(int argc, char **argv) { - if(argc || argv) {;} - -// DICTIONARY *dict = dictionary_create(DICTIONARY_FLAG_SINGLE_THREADED|DICTIONARY_FLAG_WITH_STATISTICS); - DICTIONARY *dict = dictionary_create(DICTIONARY_FLAG_WITH_STATISTICS); - if(!dict) fatal("Cannot create dictionary."); - - struct rusage start, end; - unsigned long long dt; - char buf[100 + 1]; - struct myvalue value, *v; - int i, max = 30000000, max2; - - // ------------------------------------------------------------------------ - - getrusage(RUSAGE_SELF, &start); - dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL; - fprintf(stderr, "Inserting %d entries in the dictionary\n", max); - for(i = 0; i < max; i++) { - value.i = i; - snprintf(buf, 100, "%d", i); - - dictionary_set(dict, buf, &value, sizeof(struct myvalue)); - } - getrusage(RUSAGE_SELF, &end); - dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec); - fprintf(stderr, "Added %d entries in %llu nanoseconds: %llu inserts per second\n", max, dt, max * 1000000ULL / dt); - fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches); - - // ------------------------------------------------------------------------ - - getrusage(RUSAGE_SELF, &start); - dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL; - fprintf(stderr, "Retrieving %d entries from the dictionary\n", max); - for(i = 0; i < max; i++) { - value.i = i; - snprintf(buf, 100, "%d", i); - - v = dictionary_get(dict, buf); - if(!v) - fprintf(stderr, "ERROR: cannot get value %d from the dictionary\n", i); - else if(v->i != i) - fprintf(stderr, "ERROR: expected %d but got %d\n", i, v->i); - } - getrusage(RUSAGE_SELF, &end); - dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec); - fprintf(stderr, "Read %d entries in %llu nanoseconds: %llu searches per second\n", max, dt, max * 1000000ULL / dt); - fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches); - - // ------------------------------------------------------------------------ - - getrusage(RUSAGE_SELF, &start); - dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL; - fprintf(stderr, "Resetting %d entries in the dictionary\n", max); - for(i = 0; i < max; i++) { - value.i = i; - snprintf(buf, 100, "%d", i); - - dictionary_set(dict, buf, &value, sizeof(struct myvalue)); - } - getrusage(RUSAGE_SELF, &end); - dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec); - fprintf(stderr, "Reset %d entries in %llu nanoseconds: %llu resets per second\n", max, dt, max * 1000000ULL / dt); - fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches); - - // ------------------------------------------------------------------------ - - getrusage(RUSAGE_SELF, &start); - dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL; - fprintf(stderr, "Searching %d non-existing entries in the dictionary\n", max); - max2 = max * 2; - for(i = max; i < max2; i++) { - value.i = i; - snprintf(buf, 100, "%d", i); - - v = dictionary_get(dict, buf); - if(v) - fprintf(stderr, "ERROR: cannot got non-existing value %d from the dictionary\n", i); - } - getrusage(RUSAGE_SELF, &end); - dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec); - fprintf(stderr, "Searched %d non-existing entries in %llu nanoseconds: %llu not found searches per second\n", max, dt, max * 1000000ULL / dt); - fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches); - - // ------------------------------------------------------------------------ - - getrusage(RUSAGE_SELF, &start); - dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL; - fprintf(stderr, "Deleting %d entries from the dictionary\n", max); - for(i = 0; i < max; i++) { - value.i = i; - snprintf(buf, 100, "%d", i); - - dictionary_del(dict, buf); - } - getrusage(RUSAGE_SELF, &end); - dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec); - fprintf(stderr, "Deleted %d entries in %llu nanoseconds: %llu deletes per second\n", max, dt, max * 1000000ULL / dt); - fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches); - - // ------------------------------------------------------------------------ - - getrusage(RUSAGE_SELF, &start); - dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL; - fprintf(stderr, "Destroying dictionary\n"); - dictionary_destroy(dict); - getrusage(RUSAGE_SELF, &end); - dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec); - fprintf(stderr, "Destroyed in %llu nanoseconds\n", dt); - - return 0; -} |