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Date:      Fri, 15 May 2020 20:50:21 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 244356] Writing to a USB 3.0 stick is very slow
Message-ID:  <bug-244356-19105-kqyeNV4BpG@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-244356-19105@https.bugs.freebsd.org/bugzilla/>
References:  <bug-244356-19105@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244356

--- Comment #46 from Hans Petter Selasky <hselasky@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)?=20

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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