Hi Wolfgang, On Thu, 2004-07-01 at 18:25, Wolfgang Grandegger wrote: > Hi Philippe, > > I have sent the forwarded e-mail to the rtai-dev mailing list but it > didn't arrive yet (maybe there is still a problem with switching to > GNA). Maybe you can help? >
Nope, sorry. Dave handles this. > Furthermore, I'm not that far from checking the ARTI-PPC port in. > Currently I'm using RTAI 3.0 (kilauea) but I assume it's better to > switch immediately to RTAI 3.1 (vesuvio). > Yes, kilauea being in a stable state, the second option is better. > Wolfgang. > > > On 07/01/2004 05:07 PM Wolfgang Grandegger wrote: > > Hi, > > > > I have now a very first version of RTAI over ADEOS on PowerPC working on > > my Icecube board and I can run sucessfully the tests in "rtai-testing". > > Nevertheless, I'm a bit puzzled about the figures reported by the task > > switching test "switches". With the old RTAI 24.1.12 I get: > > > > FOR 30 TASKS: TIME 2177 (ms), SUSP/RES SWITCHES 600000, > > SWITCH TIME (INCLUDING FULL FP SUPPORT) 3628 (ns) > > > > > > FOR 30 TASKS: TIME 2296 (ms), SEM SIG/WAIT SWITCHES 600000, > > SWITCH TIME (INCLUDING FULL FP SUPPORT) 3827 (ns) > > > > and with the new ARTI: > > > > FOR 30 TASKS: TIME 1086 (ms), SUSP/RES SWITCHES 600000, > > SWITCH TIME (INCLUDING FULL FP SUPPORT) 1810 (ns) > > > > > > FOR 30 TASKS: TIME 2061 (ms), SEM SIG/WAIT SWITCHES 600000, > > SWITCH TIME (INCLUDING FULL FP SUPPORT) 3436 (ns) > > > > Any ideas where the difference comes from. Especially why a suspend/ > > resume is much faster? > > > > Wolfgang. > > > _______________________________________________ > Rtai-dev mailing list > [EMAIL PROTECTED] > https://mail.gna.org/listinfo/rtai-dev -- Philippe.
