Re: Raspberry Pi 3B+ and pitiful network speeds
- Reply: Steve O'Hara-Smith : "Re: Raspberry Pi 3B+ and pitiful network speeds"
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Date: Thu, 24 Jun 2021 09:43:31 UTC
On Thu, 24 Jun 2021 01:51:39 -0700 Paul Zimmerman <firstname.lastname@example.org> wrote: > I think the performance difference you are seeing vs. NetBSD might be > because the FreeBSD USB driver for the RPI3 and below does not use > interrupts, so all the USB transfers are polled. The NetBSD USB driver > is borrowed from OpenBSD, which in turn is borrowed from the mainline > Linux driver, which does use interrupts. Thank you for this information Paul. Do you know why RPI3B on 1.2GHz can reach 100Mb/s (150Mb/s in duplex) and RPI3B+ on 1.4GHz maxes out at 90 Mb/s? -- Denis Ovsienko