I am performing analysis of different sort algorithms. Currently I am analysing the Insertion Sort and Quick Sort. And as part of the analysis, I need to measure the memory consumption.
I am using Visual VM for profiling. However when I execute the Insertion Sort for a random data set of, let's say 70,000, I get different range of Heap Memory usage. For example, in the first run the heap memory consumption was 75 kbytes and then in the next round it drops to 35 kbytes. And if I execute it few more times then this value fluctuates randomly.
Is this normal or am I missing something here ? I have plot a graph of data size versus the memory consumption and with this fluctuation I won't be able to draw a chart.
java version "1.8.0_65"
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