![]() As such it will always have filesystem overhead in it (not necessarily a bad thing but something to be aware of e.g. Note that despite its name CrystalDiskMark is actually a benchmark of a filesysystem on a particular disk - it can't do I/O raw to the disk alone. I'd say fio would have no trouble producing those workloads. ![]() ![]() For my particular benchmarking see my other question. So this is the only motivation for the question. While surfing in the web about ssd's and benchmarking I have often seen users posting their CrystelDiskMark results in forums. But that's another question ( Best way to benchmark different encryption solutions on my system). LC_ALL=C dd if=tempfile of=/dev/null bs=1M count=1024īut I am not sure about the dd parameters.įor the random 512KB, 4KB, 4KB (Queue Depth=32) reads/writes speed-tests I don't have any idea how to reproduce the measurements in linux? So how can I do this?įor testing reading speeds something like sudo hdparm -Tt /dev/sda doesn't seem to make sense for me since I want for example benchmark something like encfs I should write something about the motivation about this question: I am trying to benchmark my ssd and compare some encryption solutions. Sudo su -c "echo 3 > /proc/sys/vm/drop_caches" So how can I measure approximately the same things as crystaldiskmark does?įor the first row (Seq) I think I could do something like LC_ALL=C dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fdatasync,notrunc I want to benchmark a ssd (possibly with encrypted filesystems) and compare it to benchmarks done by crystaldiskmark on windows.
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