Aug 18 2018 12:13 PM
Not an issue that should be dealt with yet, but eventually must be.
Packaged simple test app that sequentially reads a large file.
Native test: 13.5 seconds
MSIX: 46.1 seconds.
Screen shots attached
Aug 19 2018 04:04 PM
Aug 19 2018 05:42 PM
17741.1000
Program is a standalone exe (attached). Drop it in a package & make a shortcut to it. Also drop in a large file (I used a 7+GB admx file, but you can find your own). Default options used on the tool (sequential from front to end), Browse to the file and hit the load button.