I have an app that I compile with mingw. It uses 'write' to send chunks
of data to a file system in configurable sizes.

I notice that a windows drag-n-drop file copy of a 100MB file completes
about 3 times faster than I can write the same amount of data using my
app. I have tried 2k, 4k, and 16k write sizes.

Should I try even larger write sizes and/or are there some sort of
ioctls or similar I can use to increase performance?


Ben Greear
Candela Technologies Inc http://www.candelatech.com

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