IOMeter is another open-source synthetic benchmarking tool that is able to simulate the various loads placed on the hard drive and solid-state drive technology. There are many ways to measure the IOPS performance of a Solid State Drive, so our results will sometimes differ from the manufacturer’s quoted ratings. We do test all drives in exactly the same way, so the results are directly comparable.
We test 128KB Sequential read and write and random read and write 4K tests. The test setup’s for the tests are listed below. Each is run five times.
128KB Sequential Read / Write.
Transfer Request Size: 128KB Span: 8GB Thread(s): 1, Outstanding I/O: 1-32 Test Run: 20 minutes per test
4K Sustained Random Read / Write.
Transfer Request Size: 4KB Span: 80GB Thread(s): 4, Outstanding I/O: 1-32 Test Run: 20 minutes per test
4K Random 70/30 mix Read/Write.
Transfer Request Size: 4KB Span: 80GB Reads: 70% Writes: 30% Thread(s): 4 Outstanding I/O: 2 – 32 Test Run: 20 minutes
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