BlurShader.js

var BlurShader = (function () {
    function BlurShader() {
    }
    BlurShader.prototype.apply = function (d, o, s, xmin, xmax, ymin, ymax) {
        for (var y = ymin; y < ymax; ++y) {
            for (var x = xmin; x < xmax; ++x) {
                var p = y * s + x;
                var a = d[p] * 2 + d[p - 1] + d[p + 1] + d[p - s] + d[p + s];
                a = (1000 * (a + 500)) / 6000;
                o[p] = a | 0;
            }
        }
    };
    return BlurShader;
})();
module.exports = BlurShader;

Image.js

var Image = (function () {
    function Image(width, height, data) {
        if (typeof data === "undefined") { data = null; }
        this.width = width;
        this.height = height;
        this.stride = width + 2;
        var area = this.stride * (this.height + 2);

        if (data === null) {
            this.data = new Array(area);
        } else if (data.length != area) {
            throw new Error("Invalid data buffer.");
        } else {
            this.data = data;
        }
    }
    Image.random = function (newWidth, newHeight) {
        return new Image(newWidth, newHeight).process(Image.generator);
    };

    Image.prototype.process = function (f) {
        var w = this.width, h = this.height, s = this.stride;
        var d = this.data;
        var n = new Array(d.length);

        f.apply(d, n, s, 1, w, 1, h);
        return new Image(w, h, n);
    };

    Image.prototype.processInline = function () {
        var w = this.width, h = this.height, s = this.stride;
        var d = this.data;
        var n = new Array(d.length);

        for (var y = 1; y < h; ++y) {
            for (var x = 1; x < w; ++x) {
                var p = y * s + x;
                var a = d[p] * 2 + d[p - 1] + d[p + 1] + d[p - s] + d[p + s];
                n[p] = (1000 * (a + 500)) / 6000;
            }
        }

        return new Image(w, h, n);
    };
    Image.generator = {
        apply: function (i, o, s, xmin, xmax, ymin, ymax) {
            for (var y = ymin; y < ymax; ++y) {
                for (var x = xmin; x < xmax; ++x) {
                    var p = y * s + x;
                    o[p] = Math.random();
                }
            }
        }
    };
    return Image;
})();
module.exports = Image;

main.js

var ShaderBench = require("./ShaderBench");

console.log("Instantiating benchmark...");
var benchmark = new ShaderBench();

console.log("Executing loops with callback...");
for (var i = 0; i < 100; ++i) {
    console.log("Executing iteration " + i);
    benchmark.testProcessProc();
}
/*console.log("Executing loops with inline...");
for (var i = 0; i < 100; ++i) {
console.log("Executing iteration " + i);
benchmark.testProcessInline();
}*/

ShaderBench.js

var ShaderBench = require("./ShaderBench");

console.log("Instantiating benchmark...");
var benchmark = new ShaderBench();

console.log("Executing loops with callback...");
for (var i = 0; i < 100; ++i) {
    console.log("Executing iteration " + i);
    benchmark.testProcessProc();
}
/*console.log("Executing loops with inline...");
for (var i = 0; i < 100; ++i) {
console.log("Executing iteration " + i);
benchmark.testProcessInline();
}*/