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JMicron JMF667H Firmware Preview Testing with L85A, L85C and A19 Flash

By: Chris Ramseyer | SSDs in Storage | Posted: Jun 2, 2014 2:45 am

Anvil Storage Utilities

 

Version and / or Patch Used: RC6

 

So what is Anvil Storage Utilities? First of all, it's a storage benchmark for SSDs and HDDs where you can check and monitor your performance. The Standard Storage Benchmark performs a series of tests; you can run a full test or just the read or the write test, or you can run a single test, i.e. 4k QD16.

 

Anvil Storage Utilities is not officially available yet, but we've been playing with the beta for several months now. The author, Anvil on several international forums, has been updating the software steadily and is adding new features every couple of months.

 

The software can be used several different ways to show different aspects for each drive. We've chosen to use this software to show the performance of a drive with two different data sets. The first is with compressible data, and the second data set is incompressible data. Several users have requested this data in our SSD reviews.

 

 

0-Fill Compressible Data

 

jmicron_jmf667h_firmware_preview_testing_with_l85a_l85c_and_a19_flash_55

 

Incompressible Data

 

jmicron_jmf667h_firmware_preview_testing_with_l85a_l85c_and_a19_flash_56

 

The JMicron JMF667H controller works with compressible and incompressible data the same way in all capacity sizes and flash types.

 

 

Read IOPS through Queue Depth Scale

 

jmicron_jmf667h_firmware_preview_testing_with_l85a_l85c_and_a19_flash_57

 

The difference between QD1 performance when comparing IMFT and Toshiba flash is interesting. The Toshiba flash scores over 11,000 IOPS, but the IMFT flash only manages to achieve around 8,400 IOPS.

 

Scaling Write IOPS through Queue Scale

 

jmicron_jmf667h_firmware_preview_testing_with_l85a_l85c_and_a19_flash_58

 

Nothing on this chart comes of great surprise. We do get to see the L85 brick wall at roughly 38,000 write IOPS in the 128GB capacity size. We've seen this on other controllers as well for smaller capacity drives.

 

The other drives all top out around 78,000 write IOPS at QD32.

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