setSplitter(ROUND_ROBIN());
setSplitter(WEIGHTED_ROUND_ROBIN(825, 825, 825, 825));
    public void init() {	setSplitter(ROUND_ROBIN());	add(new PerftestPipeline(10370400));	add(new PerftestPipeline(10355400));	add(new PerftestPipeline(10340400));	add(new PerftestPipeline(10960500));	setJoiner(ROUND_ROBIN());    }