DISKSPD is a storage load generator / performance test tool from the Windows/Windows Server and Cloud Server Infrastructure Engineering teams. Please see the included documentation (docx and pdf formats).

2.0.16b 2/22/2016

• -ag is now default (round robin group-aware affinity)
• new -ag# for group-aware thread->core affinity assignment
• -Sr : remote cache mode
• -Sh : equivalent to -h, all cache modes collapsed under -S
• <ProcessorTopology> (under <System>) element in XML results shows Processor Group topology of the system the test executed on
• <RunTime> (under <System>) element shows run start time in GMT
• -ft : specifies FILE_ATTRIBUTE_TEMPORARY_FILE on open (note: work in progress, effect of this attribute is not fully lit up yet)

Compilation is supported with Visual Studio and Visual Studio Express. Use the Visual Studio solution file inside the diskspd_vs directory.

Source code is hosted at the following repo, if you did not clone it directly:

https://github.com/microsoft/diskspd

A binary release is hosted by Microsoft at the following location:

http://aka.ms/diskspd