Thanks for the answer. Does that means, that programs like SatX10 or GLB (which suggest/need X10_STATIC_THREADS=true) do not run correctly, if this variable is not set and therefore are not supported?
Thanks in advance, Marco > Hi, > > The X10_STATIC_THREADS environment variable is not supported and, in > general, will cause programs to freeze. > The X10 runtime requires dynamic thread creation for all but the most > trivial programs. > > Olivier > > Marco Bungart <m.bungart@...> wrote on 05/23/2014 07:56:30 AM: > > > From: Marco Bungart <m.bungart@...> > > To: x10-users@... > > Date: 05/23/2014 07:56 AM > > Subject: [X10-users] Resilient X10, async, X10_STATIC_THREADS and > > DeadPlaceException > > > Hi there, > > > I got non-deterministic behaviour with the code appended. Compiling > > the > > program with the c++ backend and starting it with 2 as parameter > > results > > almost always in the expected output: > > > > $ ./DPEExample 2 > > Place(0): Sending to Place(1). > > Place(0): waiting. > > Place(0): Place(1) has answered. Ending. > > Place(1): received message from Place(0). > > Place(1): Sending to Place(2). > > Place(1): waiting. > > Place(1): Place(2) has answered. Ending. > > Place(1): resetting Place(0). > > Place(2): received message from Place(1). > > Place(2): Sending to Place(3). > > Place(2): waiting. > > Place(2): Place(3) has answered. Ending. > > Place(2): resetting Place(1). > > Place(3): received message from Place(2). > > Place(3): resetting Place(2). > > Place 1 exited unexpectedly with exit code: 1 > > Place(0): caught multiple exceptions, size = 2 > > Place(0): Place(1) died. Resetting Place(0). > > Place(0): Place(1) died. Resetting Place(0). > > END. > > $ > > > > Starting the same program with 3 as parameter, however, freezes the > > program most of the time: > > > > $ ./DPEExample 3 > > Place(0): Sending to Place(1). > > Place(0): waiting. > > Place(0): Place(1) has answered. Ending. > > Place(1): received message from Place(0). > > Place(1): Sending to Place(2). > > Place(1): waiting. > > Place(1): Place(2) has answered. Ending. > > Place(1): resetting Place(0). > > Place(2): received message from Place(1). > > Place(2): Sending to Place(3). > > Place(2): waiting. > > Place(2): Place(3) has answered. Ending. > > Place(2): resetting Place(1). > > Place(3): received message from Place(2). > > Place(3): resetting Place(2). > > > > [program freezes here] > > > > Compiling the program with the java backend changes the behaviour: > > - Starting with 2 as parameter: ~50% of all runs show the "correct" > > (first) behaviour, rest freezes > > - Starting with 3 as parameter resulted for me always in a freeze > > (second behaviour) > > > > Environment-variables used: > > export X10_NPLACES=4 > > export X10_NTHREADS=1 > > export X10_STATIC_THREADS=true > > export X10_RESILIENT_MODE=1 > > export X10_RESILENT_NODE_ZERO=1 > > > > gcc used: 4.8.2 > > java used: openJDK 1.7.0_55 > > > > Unsetting X10_STATIC_THREADS seems to fix the problem. > > Am I doing something fundamentally wrong or is this a bug? Might it > > be > > related to Bug #3368 (http://jira.codehaus.org/browse/XTENLANG- > > 3368)? > > > > Cheers and thanks in advance, > > > > Marco > > [attachment "DPEExample.x10" deleted by Olivier Tardieu/Watson/IBM] > > >------------------------------------------------------------------------------ > > "Accelerate Dev Cycles with Automated Cross-Browser Testing - For > > FREE > > Instantly run your Selenium tests across 300+ browser/OS combos. > > Get unparalleled scalability from the best Selenium testing > > platformavailable > > Simple to use. Nothing to install. Get started now for free." > > > http://p.sf.net > /sfu/SauceLabs_______________________________________________ > > > X10-users mailing list > > X10-users@... > > https://lists.sourceforge.net/lists/listinfo/x10-users ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ X10-users mailing list X10-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/x10-users
