Object allocation with streams

allocations.txt

SITES BEGIN (ordered by live bytes) Mon Apr 13 12:50:49 2020
          percent          live          alloc'ed  stack class
 rank   self  accum     bytes objs     bytes  objs trace name
    1 24.86% 24.86%  23266544 415474  56000000 1000000 300456 java.util.stream.ReferencePipeline$Head
    2 14.21% 39.07%  13295168 415474  32000000 1000000 300409 java.util.Spliterators$ArraySpliterator
    3 10.65% 49.72%   9971376 415474  24000000 1000000 301708 java.util.stream.ReduceOps$2ReducingSink
    4 10.65% 60.37%   9971376 415474  24000000 1000000 301706 java.util.stream.ReduceOps$2
    5 10.65% 71.03%   9971376 415474  24000000 1000000 300396 java.lang.Integer[]
    6  7.10% 78.13%   6647584 415474  16000000 1000000 301697 java.util.function.BinaryOperator$$Lambda$2.1406718218
    7  7.10% 85.23%   6647584 415474  16000000 1000000 301711 java.util.Optional
    8  7.10% 92.34%   6647584 415474  15997952 999872 301712 java.lang.Integer
    9  7.10% 99.44%   6647584 415474  15997936 999871 301713 java.lang.Integer
   10  0.01% 99.45%     12568   66     12640    67 300770 char[]
SITES END

StreamUbuse.java

import java.util.stream.Stream;

// run with -agentlib:hprof=heap=sites,file=streams.txt
public class StreamUbuse {

	public static void main(String[] args) {
		int max = 0;
		for (int i = 0; i < 1_000_000; i++) {
			max = Stream.of(i, max).max(Integer::compareTo).get();
		}
	}

}