Sequential Mixed Read / Write Workloads
In this series of tests, we measure mixed workload performance. We start with 100% read and then add data writes to the mix in 10% increments until we get to 100% writes. We believe this will be the next major area SSD manufacturers will address, after performance consistency.
Sequential Mixed Workload Bandwidth
SandForce based SSDs do very well in our mixed workload sequential test with incompressible data in steady state. This test shows us performance under heavy use with multimedia files, like when editing high-resolution video.
Sequential 80% Read / 20% Write Bandwidth
The first thing you will notice is that two drives are not listed on the performance side. Those drives fail this test due to an issue with the custom RAID controller. Aside from the M.2 based products from HP, Samsung, and Plextor, the other drives use SandForce controllers. Apacer's choice to use the lower-cost four-channel controller led to the drive delivering the slowest performance in this test when compared to just the SandForce based SSDs.
Random Mixed Workload Response Time
The low random read performance really hurt the PT910 in the mixed read/write random IOPS test.
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- Page 1 [Introduction & Specifications, Pricing, and Availability]
- Page 2 [Apacer Thunderbird PT910 PCIe 256GB SSD]
- Page 3 [Test System Setup and ATTO Baseline Performance]
- Page 4 [Benchmarks - Sequential Performance]
- Page 5 [Benchmarks - Anvil Storage Utilities]
- Page 6 [Benchmarks - Mixed Read / Write Workloads]
- Page 7 [PCMark 8 Consistency Test]
- Page 8 [PCMark 8 Consistency Test - Continued]
- Page 9 [Final Thoughts]
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