ioMeter is the best open source benchmarker out there however they don't fully support OSX, just the worker engine binaries - so iometer itself would have to run on a separate machine. during regular multi application usage of the OS. iow - this is as fast as it gets and in no way indicative of how your drive performs when ~30-50% of its reads and writes are random - i.e. Using a MP5,1 with 4x16GB DDRMHz ram in Dual-Channel mode i get around 2400MB/sec read and 2100MB/sec writes with about a dozen apps open. ![]() Im using Disk Speed Test and AJA System Test. One more thing to add and I don't know if was already mentioned or not tl:dr - this is a sequential test only. So im curious what kind of throughput others get doing a benchmark speed test on their ram disk. ~> time dd if=/dev/zero bs=2048k of=tstfile count=1024 2>&1 | awk '/sec/ 'Īaaah much more like it. The system has 16GB of ram, a 3.5 GHz i7 and 512 GB PCI-e (]> 01:19:24 ![]() ![]() Allow me to demo this on my snazzy new iMac with the PCI-e drive. This prevents caching and artificially inflated read speeds. One additional thing that might be worth mentioning.your test file (tstfile) should be larger than the amount of physical ram.
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