Does drive encryption cause the Reform to slowdown?

As the title suggests, I’m wondering about the performance hit from encrypting your NVME drive. Is it something that is appreciable?

I have a WD Blue SN550 (WDS100T2B0C). Here without full disk encryption:

And here with encryption:


That is one dimension of the performance question, but I am also curious about how much CPU overhead is needed with full disk encryption. Does the Reform have hardware to offload encryption from the CPU?

Here is the CPU utilization during the benchmark. Notice the bump on the graph between -23 seconds and -12 seconds where all four CPUs go up to 40%:


Thanks for this! I knew to expect some impact, but it is nice to see the realistic impact that it would have. I appreciate all of the work you put into showing me this stuff!

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