The Pi5 has very roughly about 70% of the performance of an Intel Core i5-8250U. A lot of people are using Intel-based PCs that are slower and older than the i5.
Then, if you are using the Mesa FPGA cards, how much does the Linux computer’s performance matter? Again, the storage device does matter. SD cards are very slow. The Pi5 can use “real” SSD. > On Aug 27, 2024, at 9:37 AM, John Dammeyer <jo...@autoartisans.com> wrote: > > I've read a posting on another forum where the author states he's running > LinuxCNC with a Raspberry Pi using the Pi4 (and now Pi5) I/O pins configured > to duplicate the PC parallel port. With the quad core processor on the Pi is > it now fast enough to duplicate a PC with a parallel port or is the guy full > of BS? > John > >> -----Original Message----- >> From: Chris Albertson [mailto:albertson.ch...@gmail.com] >> Sent: July 13, 2024 11:40 AM >> To: Enhanced Machine Controller (EMC) >> Subject: Re: [Emc-users] LinuxCNC 2.9.3 has been released >> >> If the old Lenovo PC has ahard drive, or better yet an SSD inside,then it >> will >> run much better then the Pi4 that is runniong off an SD card. Those cards a >> re very slow. >> >> If you want to upgrade the hardware replace th mechanical hard drive in the >> PC with a SATA SSD. If it already has an SSD, then you are good already >> >>> On Jul 13, 2024, at 11:24�AM, John Dammeyer <jo...@autoartisans.com> >> wrote: >>> >>> >>> >>>> From: andy pugh [mailto:bodge...@gmail.com] >>>> >>>> On Sat, 13 Jul 2024 at 19:00, John Dammeyer <jo...@autoartisans.com> >>>> wrote: >>>>> >>>>> Hi Andy, >>>>> On my workbench for playing around I'm running 2.8.4 on a Pi4 with an >> LCD >>>> touch screen and the MESA 7i92H. How easy to update that? >>>> >>>> The best thing to do with a Pi is probably to make a new SD card from >>>> the LinuxCNC image, then copy your existing config across (probably >>>> easiest to put the linuxcnc folder on a USB stick then swap SD cards) >>>> Then you can always go back to the old, working, SD card if there is a >>>> problem. >>>> >>> >>> Thanks. That's what I figured. >>> What about the 2.8.1 PC? Better to replace it? I picked it up surplus for >> about $75 a number of years ago. I have a second one as a spare. >>> John >>> >>> >>> >>> _______________________________________________ >>> Emc-users mailing list >>> Emc-users@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/emc-users >> >> >> >> _______________________________________________ >> Emc-users mailing list >> Emc-users@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
