@Benchmark
    public void offerAndPoll() {
        for (int i = 0; i < BURST_SIZE; i++) {
            p.offer(DUMMY_MESSAGE);
        }
        for (int i = 0; i < BURST_SIZE; i++) {
            c.poll();
        }
    }
Measure cost of offer/poll on single thread.

@author nitsanw
jctools-benchmarks/src/main/java/org/jctools/jmh/baseline/ConcQOfferPoll.java