b.Run(" 00|X0 ", func(b *testing.B) { benchmarkErasureEncode(2, 2, 0, 1, size, b) })
	b.Run(" X0|00 ", func(b *testing.B) { benchmarkErasureEncode(2, 2, 1, 0, size, b) })
}

func BenchmarkErasureEncode_8_20MB(b *testing.B) {
	const size = 20 * 1024 * 1024
	b.Run(" 0000|0000 ", func(b *testing.B) { benchmarkErasureEncode(4, 4, 0, 0, size, b) })