131 lines
5.6 KiB
C
131 lines
5.6 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* 1. build netdata (as normally)
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* 2. cd tests/profile/
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* 3. compile with:
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* 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
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*
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*/
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#include "config.h"
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#include "libnetdata/libnetdata.h"
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struct myvalue {
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int i;
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};
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void netdata_cleanup_and_exit(int ret) { exit(ret); }
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int main(int argc, char **argv) {
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if(argc || argv) {;}
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// DICTIONARY *dict = dictionary_create(DICT_OPTION_SINGLE_THREADED|DICT_OPTION_WITH_STATISTICS);
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DICTIONARY *dict = dictionary_create(DICT_OPTION_STATS);
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if(!dict) fatal("Cannot create dictionary.");
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struct rusage start, end;
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unsigned long long dt;
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char buf[100 + 1];
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struct myvalue value, *v;
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int i, max = 30000000, max2;
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// ------------------------------------------------------------------------
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getrusage(RUSAGE_SELF, &start);
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dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
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fprintf(stderr, "Inserting %d entries in the dictionary\n", max);
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for(i = 0; i < max; i++) {
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value.i = i;
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snprintf(buf, 100, "%d", i);
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dictionary_set(dict, buf, &value, sizeof(struct myvalue));
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}
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getrusage(RUSAGE_SELF, &end);
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dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
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fprintf(stderr, "Added %d entries in %llu nanoseconds: %llu inserts per second\n", max, dt, max * 1000000ULL / dt);
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fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
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// ------------------------------------------------------------------------
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getrusage(RUSAGE_SELF, &start);
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dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
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fprintf(stderr, "Retrieving %d entries from the dictionary\n", max);
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for(i = 0; i < max; i++) {
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value.i = i;
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snprintf(buf, 100, "%d", i);
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v = dictionary_get(dict, buf);
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if(!v)
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fprintf(stderr, "ERROR: cannot get value %d from the dictionary\n", i);
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else if(v->i != i)
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fprintf(stderr, "ERROR: expected %d but got %d\n", i, v->i);
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}
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getrusage(RUSAGE_SELF, &end);
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dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
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fprintf(stderr, "Read %d entries in %llu nanoseconds: %llu searches per second\n", max, dt, max * 1000000ULL / dt);
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fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
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// ------------------------------------------------------------------------
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getrusage(RUSAGE_SELF, &start);
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dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
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fprintf(stderr, "Resetting %d entries in the dictionary\n", max);
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for(i = 0; i < max; i++) {
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value.i = i;
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snprintf(buf, 100, "%d", i);
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dictionary_set(dict, buf, &value, sizeof(struct myvalue));
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}
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getrusage(RUSAGE_SELF, &end);
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dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
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fprintf(stderr, "Reset %d entries in %llu nanoseconds: %llu resets per second\n", max, dt, max * 1000000ULL / dt);
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fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
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// ------------------------------------------------------------------------
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getrusage(RUSAGE_SELF, &start);
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dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
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fprintf(stderr, "Searching %d non-existing entries in the dictionary\n", max);
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max2 = max * 2;
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for(i = max; i < max2; i++) {
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value.i = i;
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snprintf(buf, 100, "%d", i);
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v = dictionary_get(dict, buf);
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if(v)
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fprintf(stderr, "ERROR: cannot got non-existing value %d from the dictionary\n", i);
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}
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getrusage(RUSAGE_SELF, &end);
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dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
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fprintf(stderr, "Searched %d non-existing entries in %llu nanoseconds: %llu not found searches per second\n", max, dt, max * 1000000ULL / dt);
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fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
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// ------------------------------------------------------------------------
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getrusage(RUSAGE_SELF, &start);
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dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
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fprintf(stderr, "Deleting %d entries from the dictionary\n", max);
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for(i = 0; i < max; i++) {
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value.i = i;
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snprintf(buf, 100, "%d", i);
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dictionary_del(dict, buf);
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}
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getrusage(RUSAGE_SELF, &end);
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dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
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fprintf(stderr, "Deleted %d entries in %llu nanoseconds: %llu deletes per second\n", max, dt, max * 1000000ULL / dt);
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fprintf(stderr, " > Dictionary: %llu inserts, %llu deletes, %llu searches\n\n", dict->stats->inserts, dict->stats->deletes, dict->stats->searches);
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// ------------------------------------------------------------------------
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getrusage(RUSAGE_SELF, &start);
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dict->stats->inserts = dict->stats->deletes = dict->stats->searches = 0ULL;
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fprintf(stderr, "Destroying dictionary\n");
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dictionary_destroy(dict);
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getrusage(RUSAGE_SELF, &end);
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dt = (end.ru_utime.tv_sec * 1000000ULL + end.ru_utime.tv_usec) - (start.ru_utime.tv_sec * 1000000ULL + start.ru_utime.tv_usec);
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fprintf(stderr, "Destroyed in %llu nanoseconds\n", dt);
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return 0;
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}
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