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

--- Comment #49 from Olivier Certner <olivier.free...@free.fr> ---
(In reply to Hans Petter Selasky from comment #46)

Going to check the code of `usbtest` for what <Random> does exactly.

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

Thanks for the advice. It seems however that I cannot trigger transactions
greater than 128KiB whatever method I use (`dd` to disk device, `dd` to single
file, `cp`), and apparently some utilities lead to very small unoptimal
transaction sizes (e.g., 4KiB when using `hd`). Do you know something simple
that that could be changed to raise the transaction size? I fear this is
related to the old MAXPHYS debate, in which case it won't be simple...

-- 
You are receiving this mail because:
You are the assignee for the bug.
_______________________________________________
freebsd-usb@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/freebsd-usb
To unsubscribe, send any mail to "freebsd-usb-unsubscr...@freebsd.org"

Reply via email to