dd is not a benchmark

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Monday, January 11. 2010

dd was never a reasonable benchmark, albeit people were using this tools as one. Lisa Noordergraaf wrote an interesting article explaining why dd is an especially bad choice for benchmarking modern storage like SSDs: Pitfalls of Benchmarking Flash with dd(1M):

Posted by Joerg Moellenkamp in English, The IT Business at 10:00 | Comment (1)

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All I can say to that is "Amen!"

The linked article goes very well into why dd(1M) is such a terrible tool for benchmarking. It's about as accurate for comparing drives as copying to/from them with pcfs(7FS)...