Comment on Comparing Filesystem Performance in Virtual MachinesparentComments−rdtsc12yWriting to /dev/null is even faster I bet.−gizmo68612y >dd if=/dev/zero of=/dev/null ^C32646111+0 records in 32646110+0 records out 16714808320 bytes (17 GB) copied, 17.881 s, 935 MB/s Running on the host OS of my laptop.−rdtsc12yHint: always use a non-default block size (unless you have a reason not to) $ dd if=/dev/zero of=/dev/null bs=1M ^C55034+1 records in 55034+0 records out 57707331584 bytes (58 GB) copied, 6.04479 s, 9.5 GB/s And this is a 7 year old laptop. I could get blistering fast speeds writing to /dev/null on my latest 6 core i7 ;-)
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Writing to /dev/null is even faster I bet.
Hint: always use a non-default block size (unless you have a reason not to)
And this is a 7 year old laptop. I could get blistering fast speeds writing to /dev/null on my latest 6 core i7 ;-)