Microsoft 's Research Lab has published this report, showing the actual Singularity's kernel performances compared to FreeBSD, Linux and Windows XP.
There's a graph that shows a Disk I/O Benchmark where they measured the cost of random and sequential disk reads and writes on the various OS and these are the results:

Do you think that some Linux guys are true by saying that there are better, faster, ways of doing these things in Unix but these tests are targeted for Microsoft's architectures?
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