76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
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#include "io.h"
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#include "nostrdb.h"
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#include <sys/mman.h>
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#include <time.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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int map_file(const char *filename, unsigned char **p, size_t *flen)
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{
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struct stat st;
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int des;
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stat(filename, &st);
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*flen = st.st_size;
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des = open(filename, O_RDONLY);
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*p = mmap(NULL, *flen, PROT_READ, MAP_PRIVATE, des, 0);
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close(des);
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return *p != MAP_FAILED;
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}
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static int bench_parser()
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{
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long nanos, ms;
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size_t written;
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struct ndb *ndb;
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struct timespec t1, t2;
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char *json;
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int times = 1;
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struct ndb_config config;
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ndb_default_config(&config);
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ndb_config_set_mapsize(&config, 1024ULL * 1024ULL * 400ULL * 10ULL);
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ndb_config_set_ingest_threads(&config, 8);
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ndb_config_set_flags(&config, NDB_FLAG_SKIP_NOTE_VERIFY);
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assert(ndb_init(&ndb, "testdata/db", &config));
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const char *filename = "testdata/many-events.json";
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if (!map_file(filename, (unsigned char**)&json, &written)) {
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printf("mapping testdata/many-events.json failed\n");
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return 2;
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}
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printf("mapped %ld bytes in %s\n", written, filename);
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clock_gettime(CLOCK_MONOTONIC, &t1);
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ndb_process_events(ndb, json, written);
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ndb_destroy(ndb);
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clock_gettime(CLOCK_MONOTONIC, &t2);
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nanos = (t2.tv_sec - t1.tv_sec) * (long)1e9 + (t2.tv_nsec - t1.tv_nsec);
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ms = nanos / 1e6;
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printf("ns/run\t%ld\nms/run\t%f\nns\t%ld\nms\t%ld\n",
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nanos/times, (double)ms/(double)times, nanos, ms);
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return 1;
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}
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int main(int argc, char *argv[], char **env)
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{
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if (!bench_parser())
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return 2;
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return 0;
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}
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