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Editorial Team
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Asked: 2026-06-02T07:49:48+00:00

I ran perfomance analysis for memory and the analysis report it genrated is not

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I ran perfomance analysis for memory and the analysis report it genrated is not entirely clear to me. The warning is “Instances of System.Int32[] account for 80.90% of allocations. Analyze the Heap Summary for new allocations or visuals.”

The report shows 14890 Int32 instances taking 73541684 bytes of memory. I dont understand how can 15000 integar values take 70MB of memory. It’s a 32 bit integer. What am I missing?

The memory usage for app is more in memory profiling session than CPU profiling session but I assume that’s due to some memory consumed by profiling itself.

https://i.stack.imgur.com/TFoqP.png

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1 Answer

  1. Editorial Team

    It’s not saying you have ~15,000 instances of Int32 but that you have ~15,000 instances of an array of Int32 (i.e. System.Int32[]) the largest of which is is 1,536,012 bytes and the average size being 4,909 bytes and that these account for 80.90% of all memory allocations in the analysis.

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