Testing performance of md5 hash calculation in lua vs node

test-md5-bin.lua

require("md5")

local testname = "lua md5 sum hash test (binary)"

function test()
        -- Create object hash
        local object_key_plain = [[
            "0.0.0.0",
            80,
            "www.example.com",
            "GET",
            "/foo/bar"
        ]]
        local object_key = md5.sum(object_key_plain)
end

local testiterations = {100, 1000, 10000, 100000, 1000000}

io.write("\n---\nTest: " .. testname .. "\n---\n\n");

for t=1,#testiterations do

    -- Start time
    local starttime = os.clock()

    -- Run test
    for i=0,testiterations[t] do
        test()
    end

    -- End time
    local endtime = os.clock()
    local totaltime = (endtime - starttime) * 1000

    -- Print results
    io.write("Iterations: " .. testiterations[t] .. "; Time: " .. totaltime .. " ms\n");

end

test-md5-hex.lua

require("md5")

local testname = "lua md5 sum hash test (hex)"

function test()
        -- Create object hash
        local object_key_plain = [[
            "0.0.0.0",
            80,
            "www.example.com",
            "GET",
            "/foo/bar"
        ]]
        local object_key = md5.sumhexa(object_key_plain)
end

local testiterations = {100, 1000, 10000, 100000, 1000000}

io.write("\n---\nTest: " .. testname .. "\n---\n\n");

for t=1,#testiterations do

    -- Start time
    local starttime = os.clock()

    -- Run test
    for i=0,testiterations[t] do
        test()
    end

    -- End time
    local endtime = os.clock()
    local totaltime = (endtime - starttime) * 1000

    -- Print results
    io.write("Iterations: " .. testiterations[t] .. "; Time: " .. totaltime .. " ms\n");

end

test-md5.js

var console = require("console");
var crypto = require("crypto");

var testName = "JavaScript md5sum hash test";

// Code to test
function test() {
		// Create object hash
		var object_key_plain = [
			"0.0.0.0",
			80,
			"www.example.com",
			"GET",
			"/foo/bar"
		];
		var object_key = crypto.createHash('md5').update(JSON.stringify(object_key_plain)).digest('hex');
}

var testIterations = new Array(100, 1000, 10000, 100000, 1000000);

console.log("\n---\nTest: " + testName + "\n---\n");

for (var t=0, l=testIterations.length; t<l; t++) {

	// Start time
	var startTime = (new Date()).getTime();

	// Test init
	var testDate = new Date();

	// Run test
	for (var i=0; i<testIterations[t]; i++) {
		test();
	}

	// End time
	var endTime = (new Date()).getTime();
	var totalTime = (endTime - startTime);

	// Print results
	console.log("Iterations: " + testIterations[t] + "; Time: " + totalTime + " ms");
}

Results

lua / md5.hexa():

$ lua ./md5-test-hex.lua


---
Test: lua md5 sum hash test (hex)

---

Iterations: 100; Time: 2.088 ms
Iterations: 1000; Time: 12.742 ms
Iterations: 10000; Time: 140.823 ms
Iterations: 100000; Time: 1253.17 ms
Iterations: 1000000; Time: 12385.991 ms

luajit / md5.hexa():

$ luajit ./md5-test-hex.lua


---
Test: lua md5 sum hash test (hex)

---

Iterations: 100; Time: 1.177 ms
Iterations: 1000; Time: 8.917 ms
Iterations: 10000; Time: 75.312 ms
Iterations: 100000; Time: 685.589 ms
Iterations: 1000000; Time: 7024.637 ms

lua / md5.sum():

$ lua ./md5-test-bin.lua


---
Test: lua md5 sum hash test (binary)

---

Iterations: 100; Time: 0.132 ms
Iterations: 1000; Time: 1.235 ms
Iterations: 10000; Time: 12.319 ms
Iterations: 100000; Time: 106.361 ms
Iterations: 1000000; Time: 861.348 ms

luajit / md5.sum():

$ luajit ./md5-test-bin.lua


---
Test: lua md5 sum hash test (binary)

---

Iterations: 100; Time: 0.219 ms
Iterations: 1000; Time: 1.321 ms
Iterations: 10000; Time: 8.856 ms
Iterations: 100000; Time: 80.515 ms
Iterations: 1000000; Time: 711.545 ms

node (V8):

$ node ./md5-test.js


---
Test: javascript md5sum hash test

---

Iterations: 100; Time: 1 ms
Iterations: 1000; Time: 8 ms
Iterations: 10000; Time: 92 ms
Iterations: 100000; Time: 624 ms
Iterations: 1000000; Time: 6187 ms

Comparison

For 1000000 iterations:

lua hexa()	luajit hexa()	Node
12386 ms	7024 ms	6187 ms

Updated result using luajit and md5 fork from https://github.com/starwing/md5 (thanks @pintsized):

---
Test: lua md5 sum hash test (sumhexa)

---

Iterations: 100; Time: 0.754 ms
Iterations: 1000; Time: 4.966 ms
Iterations: 10000; Time: 35.441 ms
Iterations: 100000; Time: 331.645 ms
Iterations: 1000000; Time: 3405.509 ms

Yay! lua wins!