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I'm trying to prove that an application I developed is saturating the memory bandwidth. For pure bandwidth benchmarking I'm aware that there's STREAM, but it only measures the maximum sequential burst bandwidth in terms of MB/s.

I can see the memory transfers/second while using PCM, but I need an external application to push the RAM with small (bytes, not kilobytes) random reads and random writes, to prove that the bandwidth I see is the maximum possible for the system.

Edit: I've clarified the question.

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I've obtained the numbers that I need via SysBench, which can do memory benchmarks with random access and with small blocks down to 1KiB in size.

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