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bench.js
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bench.js
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// Hash db bench
var sys = require('sys');
var TC = require('../build/default/tokyocabinet');
var fs = require('fs');
sys.puts("Tokyo Cabinet version " + TC.VERSION);
var samples = [];
var next_sample = function () {
var next = samples.shift();
if (next) next();
}
setTimeout(next_sample, 10);
var put_count = 100000;
var hdb;
var hdb;
samples.push(function() {
sys.puts('sync');
hdb = new TC.HDB;
if (!hdb.open('casket1.tch', TC.HDB.OWRITER | TC.HDB.OCREAT)) {
sys.error(hdb.errmsg());
}
var t = Date.now();
for (var i = 0; i < put_count; i++) {
if (!hdb.put('key' + i, 'val' + i + ' 0123456789')) {
sys.error(hdb.errmsg());
}
}
sys.puts(Date.now() - t);
for (var i = 0; i < 10; i++) {
var val = hdb.get('key' + i);
if (!val) {
sys.error(hdb.errmsg());
} else {
sys.puts(val);
}
}
next_sample();
});
samples.push(function() {
sys.puts('async');
var hdb = new TC.HDB;
// this line is necessary for an async operation
if (!hdb.setmutex()) throw hdb.errmsg();
hdb.openAsync('casket2.tch', TC.HDB.OWRITER | TC.HDB.OCREAT, function(e) {
if (e) sys.error(hdb.errmsg(e));
var t = Date.now();
var n = put_count;
for (var i = 0; i < put_count; i++) {
hdb.putAsync('key' + i, 'val' + i + ' 0123456789', function(e) {
if (e) sys.error(hdb.errmsg(e));
if (--n === 0) {
sys.puts(Date.now() - t);
n = 10;
for (var i = 0; i < 10; i++) {
hdb.getAsync('key' + i, function(e, val) {
if (e) {
sys.puts(hdb.errmsg(e));
} else {
sys.puts(val);
}
if (--n === 0) {
next_sample();
}
});
}
}
});
}
});
});
samples.push(function() {
sys.puts('async');
var hdb = new TC.HDB;
// this line is necessary for an async operation
if (!hdb.setmutex()) throw hdb.errmsg();
hdb.openAsync('casket3.tch', TC.HDB.OWRITER | TC.HDB.OCREAT, function(e) {
if (e) sys.error(hdb.errmsg(e));
var t = Date.now();
var i = 0;
(function func() {
hdb.putAsync('key' + i, 'val' + i + ' 0123456789', function(e) {
if (++i < put_count) {
func();
} else {
sys.puts(Date.now() - t);
var n = 10;
for (var j = 0; j < 10; j++) {
hdb.getAsync('key' + j, function(e, val) {
if (e) {
sys.puts(hdb.errmsg(e));
} else {
sys.puts(val);
}
if (--n === 0) {
next_sample();
}
});
}
}
});
}());
});
});