tls benchmark

crypto-bench.js

var assert = require('assert');
var crypto = require('crypto');
var tls = require('tls');
var fs = require('fs');

var BUFFER_LENGTH  = parseFloat(process.argv[2]);
var NUM_ITERATIONS = parseFloat(process.argv[3]);

assert(!isNaN(BUFFER_LENGTH), 'missing BUFFER_LENGTH');
assert(!isNaN(NUM_ITERATIONS), 'missing NUM_ITERATIONS');

var creds = crypto.createCredentials({
  cert: fs.readFileSync(__dirname + '/../test/fixtures/test_cert.pem'),
  key: fs.readFileSync(__dirname + '/../test/fixtures/test_key.pem')
});

var buf = new Buffer(BUFFER_LENGTH);

function pummel() {
  var client = tls.createSecurePair(creds, false, false, false);
  var server = tls.createSecurePair(creds, true, false, false);

  client.on('secure', function() { client.cleartext.write(buf); });
  server.on('secure', function() { server.cleartext.pipe(server.cleartext); });

  server.encrypted.pipe(client.encrypted);
  client.encrypted.pipe(server.encrypted);
}

for (var i = 0; i < NUM_ITERATIONS; ++i) pummel();

crypto-bench.sh

#!/bin/bash

NODE=$(dirname $0)/../out/Release/node
FILE=$(dirname $0)/crypto-bench.js

function bench {
  echo "BENCH: $1 $2"
  time $NODE $FILE $1 $2
  echo
}

if [ ! -z "$*" ]; then
  bench $*
else
  # different buffer sizes but they all pump ~120 MB of data around
  bench 125  1000000
  bench 1000  125000
  bench 5000   25000
  bench 50000   2500
fi

numbers.txt

BENCH: 125 1000000
FATAL ERROR: CALL_AND_RETRY_2 Allocation failed - process out of memory

real    0m48.378s
user    0m47.079s
sys     0m1.148s

BENCH: 1000 125000

real    1m59.335s
user    1m57.971s
sys     0m2.052s

BENCH: 5000 25000

real    0m27.728s
user    0m27.398s
sys     0m0.492s

BENCH: 50000 2500

real    0m7.067s
user    0m6.864s
sys     0m0.224s