[Bug 244356] Writing to a USB 3.0 stick is very slow

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244356

--- Comment #46 from Hans Petter Selasky <hselasky at FreeBSD.org> ---
Hi,

> Hans, thanks for `usbtest`.

You are welcome!

> constraint on the size (like multiples of some power of 2, or only powers of 2)? 

I don't remember. You'll need to check the code.

You'll get best performance with USB 2.0 using 64Kbyte transactions, and for
USB 3.0, 1 Mbyte and above.

--HPS

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