noise_vs_buf

noise_vs_buf.scd

n = 1000;
m = 20;
d = 0.1;
a = 0.1 / n;

h = Array.newClear(m);

s.waitForBoot { Routine {
	i = 0;

	b = Bus.audio(s, 1);
	f = Buffer.alloc(s, s.sampleRate, 1);
	s.sync;

	// { b.scope }.defer;

	postln("playing " ++ n ++ " channels of white noise");
	z = {
		Out.ar(b.index, Mix.new(Array.fill(n, WhiteNoise.ar)) * a)
	}.play(s);

	1.0.wait;

	postln("sampling peak CPU...");
	m.do {
		h[i] = s.peakCPU;
		// h[i].postln;
		i = i + 1;
		d.wait;
	};

	postln("...done.\n");

	1.0.wait;

	s.freeAll;

	postln("min: " ++ h.minItem);
	postln("median: " ++ h.median);
	postln("max: " ++ h.maxItem);

	postln("\n-------------\n");

	// { h.plot }.defer;
	// { h.plotHisto }.defer;

	postln("playing " ++ n ++ " channels of buffer read");
	z = {
		Out.ar(b.index, Mix.new(Array.fill(n, PlayBuf.ar(1, f))) * a)
	}.play(s);

	1.0.wait;

	postln("sampling peak CPU...");
	i = 0;
	m.do {
		h[i] = s.peakCPU;
		// h[i].postln;
		i = i + 1;
		d.wait;
	};

	1.0.wait;

	s.freeAll;

	postln("...done.\n");
	postln("min: " ++ h.minItem);
	postln("median: " ++ h.median);
	postln("max: " ++ h.maxItem);
	// { h.plot }.defer;
	// { h.plotHisto }.defer;

}.play }