BTW - there was an issue with arc acceleration constraint in master that Chris fixed yesterday..
http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=commitdiff;h=bfb837e sam On 12/4/2013 1:01 PM, sam sokolik wrote: > I ran this program > > http://electronicsam.com/images/KandT/testing/internet.ngc (named > because I found it on the internet... - didn't even try to figure out > what it was..) > > 533228 line program running G64P.005 (this program also crashes running > strait G64 - Robert - do you still want me to debug? I see you think > you may have a handle on it..) > > Old TP 2:37:42 > New TP 1:38:49 > > Quite an improvement!! > > sam > On 12/3/2013 3:20 PM, Robert Ellenberg wrote: >> On Dec 3, 2013 2:42 PM, "sam sokolik" <[email protected]> wrote: >>> I have not seen the blip.. (but surprisingly I may have found a blip in >>> master...) >>> Ok - spiral - wow. Running at almost 400ipm at the largest diameter. >>> Damn impressive. >>> >>> I am a bit perplexed though.. If I run stellabee1.ngc ( >>> http://electronicsam.com/images/KandT/testing/stellabee1.ngc ) with >>> g64P.005 - it actually runs faster with parabolic blends (master). >>> (40min vs 50 minutes about) I was expecting a 2 fold at least >> improvement. >> >> The reason for that might be the arcs in the program. I reduced the >> acceleration of arcs to fix the overage in arc-arc.ngc, but the tradeoff is >> lower performance when there is a lot of acceleration and deceleration. >> >>> While the penguin - (metric so .1 is about .004") >>> parabolic blend P.1=2:21 Strait G64=4:12 >>> circular blend P.1=1:41 Strait G64=2:27 >>> >>> So - I don't know if that is correct - or there is some issue. Is the >>> stellabee file just too wacky for the readahead to help? >>> >>> I could not run the stellabee file with strait g64 because it fails. I >>> will try to get more info. (large jump in position/acc) >>> Ok - I did a halscope with program line as part of it.. With stellabee >>> and strait G64 - looks like line 32142. >> Could you build the program with my debug flags enabled? It will spit out a >> log that will be useful to diagnose what's happening. Run this command: >> >> make EXTRA_DEBUG = '-DTP_DEBUG -DTC_DEBUG' >> >> then run Linuxcnc like this: >> >> linuxcnc > test.log >> >> This works in simulation mode to dump a log of what's happening in tp. I'd >> like to see if these spikes are visible in the planned motion. >> >> Thanks! >> Rob >> ------------------------------------------------------------------------------ >> Sponsored by Intel(R) XDK >> Develop, test and display web and hybrid apps with a single code base. >> Download it for free now! >> http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk >> _______________________________________________ >> Emc-developers mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/emc-developers >> >> > > ------------------------------------------------------------------------------ > Sponsored by Intel(R) XDK > Develop, test and display web and hybrid apps with a single code base. > Download it for free now! > http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers > > ------------------------------------------------------------------------------ Sponsored by Intel(R) XDK Develop, test and display web and hybrid apps with a single code base. Download it for free now! http://pubads.g.doubleclick.net/gampad/clk?id=111408631&iu=/4140/ostg.clktrk _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
