emscripten/tests/sqlite/benchmark.c at incoming · JavaScriptIOT/emscripten · GitHub

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#include <time.h>

#include <stdio.h>

#include <stdlib.h>

#include <sqlite3.h>

#include <emscripten.h>

int print = 1;

static int callback(void *NotUsed, int argc, char **argv, char **azColName){

int i;

if (!print) return 0;

for(i=0; i<argc; i++){

printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");

}

printf("\n");

return 0;

}

int test(){

sqlite3 *db;

char *zErrMsg = 0;

int rc;

int i;

const char *commands[] = {

"CREATE TABLE t2(a INTEGER, b INTEGER, c VARCHAR(100));",

"INSERT INTO t2 VALUES(1,13153,'thirteen thousand one hundred fifty three');",

"INSERT INTO t2 VALUES(1,987,'some other number');",

"SELECT count(*) FROM t2;",

"SELECT datetime('2012-04-16 12:35:57', '+1 days');",

"SELECT a, b, c FROM t2;",

NULL

};

rc = sqlite3_open(":memory:", &db);

if( rc ){

fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));

sqlite3_close(db);

exit(1);

}

for (i = 0; commands[i]; i++) {

rc = sqlite3_exec(db, commands[i], callback, 0, &zErrMsg);

if( rc!=SQLITE_OK ){

fprintf(stderr, "SQL error on %d: %s\n", i, zErrMsg);

sqlite3_free(zErrMsg);

exit(1);

}

sqlite3_close(db);

return 0;

}

int main(int argc, char **argv){

sqlite3 *db;

char *zErrMsg = 0;

int rc, i;

double t;

int n, m;

n = argc > 1 ? atoi(argv[1]) : 5000;

m = argc > 2 ? atoi(argv[2]) : 1;

rc = sqlite3_open(":memory:", &db);

if( rc ){

fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));

sqlite3_close(db);

exit(1);

}

#define RUN(cmd) \

{ \

rc = sqlite3_exec(db, cmd, callback, 0, &zErrMsg); \

if( rc!=SQLITE_OK ){ \

fprintf(stderr, "SQL error on %d: %s\n", i, zErrMsg); \

sqlite3_free(zErrMsg); \

exit(1); \

} \

}

#define TIME(msg) \

{ \

double now = emscripten_get_now(); \

printf(msg " : took %f ms\n", now - t); \

t = now; \

}

t = emscripten_get_now();

TIME("'startup' - IGNORE THIS VALUE, it is an artifact");

RUN("CREATE TABLE t1(a INTEGER, b INTEGER, c VARCHAR(100));");

TIME("create table");

RUN("BEGIN;");

// n*5 INSERTs in a transaction

for (i = 0; i < n; i++) {

RUN("INSERT INTO t1 VALUES(1,12345,'one 1 one 1 one 1');");

RUN("INSERT INTO t1 VALUES(2,23422,'two two two two');");

RUN("INSERT INTO t1 VALUES(3,31233,'three three 33333333333 three');");

RUN("INSERT INTO t1 VALUES(4,41414,'FOUR four 4 phor FOUR 44444');");

RUN("INSERT INTO t1 VALUES(5,52555,'five 5 FIVE Five phayve 55 5 5 5 5 55 5');");

}

TIME("25,000 inserts");

RUN("COMMIT;");

TIME("commit");

// Counts

for (i = 0; i < m; i++) {

print = i == 0;

RUN("SELECT count(*) FROM t1;");

RUN("SELECT count(*) FROM t1 WHERE a == 4");

RUN("SELECT count(*) FROM t1 WHERE b > 20000 AND b < 50000;");

RUN("SELECT count(*) FROM t1 WHERE c like '%three%';");

}

TIME("selects");

// Index

RUN("CREATE INDEX iiaa ON t1(a);");

RUN("CREATE INDEX iibb ON t1(b);");

TIME("create indexes");

for (i = 0; i < m; i++) {

print = i == 0;

RUN("SELECT count(*) FROM t1 WHERE a == 4");

RUN("SELECT count(*) FROM t1 WHERE b > 20000 AND b < 50000;");

}

TIME("selects with indexes");

sqlite3_close(db);

return test();

}

emscripten/tests/sqlite/benchmark.c at incoming · JavaScriptIOT/emscripten · GitHub

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