200-500k lines in 3d milling. Michael
W dniu 18.07.2013 17:19, Gene Heskett pisze: > On Thursday 18 July 2013 10:44:58 Michael Haberler did opine: > >> I'd be interested in what was your biggest-sized G-code program ever >> >> good enough: file size, number of lines - just a rough indication is >> fine >> >> --- >> >> background: I am considering alternative internal representations of >> G-code and want to get a handle on the problem size >> >> thanks! >> >> - Michael > The answer to that is likely highly dependent on whether it was hand carved > code, or generated by some of our less intelligent code generators. I have > seen code that I could write in nested loops in 150 LOC maximum, occupy > 10,000+ LOC when generated by a poor generator. > > IMO when one does not have a tool changer, which I don't on either machine, > functions that require their own tool should be broken out into a function > file per tool. This is of course not a working proposition for a > production line machine with a multiple tool auto changing rack. There, > 1,000k+ LOC might not be out of reach. > > I believe the practical limit is probably the initial scan for errors since > I believe it all has to be loaded into memory. I know I get rather bored > when it takes 20 minutes to do this initial scan for 200 lines of recursive > code. I've been known to reset the machine because its not interruptible, > and edit the code to take a bigger byte than my toy mill is comfortable > with since its not exactly a paragon of either horse power or rigidity. > > Probably the most complex files I have ATM that were auto-generated, were > generated by pcb2gcode. A fairly small board, 1.3"x2.15" both 'etch' files > are under 7,000 LOC each according to wc -l. > > But I'd hate to see the files that carved that toyota engine block I saw > being carved on youtube. I could believe a million or more LOC for that. > And of course that means gigabytes of dram if its all pulled into memory at > load/scan time. > > I don't envy what you are undertaking to do, simply because the answers are > going to be VERY wide ranging. > > Cheers, Gene ------------------------------------------------------------------------------ See everything from the browser to the database with AppDynamics Get end-to-end visibility with application monitoring from AppDynamics Isolate bottlenecks and diagnose root cause in seconds. Start your free trial of AppDynamics Pro today! http://pubads.g.doubleclick.net/gampad/clk?id=48808831&iu=/4140/ostg.clktrk _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
