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Intel Optane SSD 905P 960GB AIC NVMe PCIe SSD Review (Page 9)

By Jon Coulter on May 9, 2018 10:00 am CDT
Rating: 100%Manufacturer: Intel

70/30 Mixed Workload Test (Sledgehammer)

Version and / or Patch Used: Iometer 2014

Heavy Workload Model

This test hammers a drive so hard we've dubbed it "Sledgehammer". Our 70/30 Mixed Workload test is designed to simulate a heavy-duty enthusiast/workstation steady-state environment. We feel that a mix of 70% read/30% write, full random 4K transfers best represents this type of user environment. Our test allows us to see the drive enter into and reach a steady state as the test progresses.

Phase one of the test preconditions the drive for 1 hour with 128K sequential writes at QD32. Phase two of the test runs a 70% read/30% write at QD32, full random 4K transfer workload on the drive for 1 hour. We log and chart (phase two) IOPS data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.

intel-optane-ssd-905p-960gb-aic-nvme-pcie-review_68

What we like about this test is that it reflects reality. Everything lines up, as it should. Consumer drives don't outperform Enterprise-Class SSDs that were designed for enterprise workloads. Consumer drives based on old technology are not outperforming modern Performance-Class SSDs, etc.

More than any other test we've run, this test best illustrates the advantage 3D XPoint memory has over NAND. Unlike NAND, 3D XPoint is unaffected by the state of the drive during a workload. Here we see that patching for spectre/meltdown has a huge impact when running sustained workloads of this nature.

We will point out that none of the competing SSDs in our test pool were tested with the patches; if they were, we would expect so see a similar decline in performance. Again, when all things are equal, the 905P delivers better performance than the 900P.

Sustained Sequential Write

Version and / or Patch Used: Iometer 2014

Heavy Workload Model

We write to the drive for 1 hour with 128K sequential writes at QD32. We log and chart megabytes per second data at 5-second intervals for 1 hour (720 data points). 60 data points = 5 minutes.

intel-optane-ssd-905p-960gb-aic-nvme-pcie-review_69

As this test demonstrates, patching has no effect on an SSDs sequential performance. The 905P outperforms the 900P and does so with much less variability in its data pattern. Another lab record for the 905P.

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Jon Coulter

ABOUT THE AUTHOR - Jon Coulter

Jon Coulter became a computer enthusiast about the time Windows XP launched. Originally Jon was into water cooling and competitively benching ATI video cards with modified drivers. Jon has been building computer systems for himself and others by request for more than 10 years. Jon became a storage enthusiast the day he first booted his system with an Intel X25-M G1 80GB SSD. Look for Jon to bring consumer SSD reviews into the spotlight.

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