[mpich-discuss] mpich on Mac os x
Reem Alraddadi
raba500 at york.ac.uk
Mon Jul 8 12:32:20 CDT 2013
Hi Wesley,
Hi Pavan,
I will do that. Thanks for all your helps. As I mentioned before, I am
still beginner with all this. I will read these links to understand very
well how to use MPI_COMM_FREE
Thanks again,
Reem
> Message: 3
> Date: Mon, 8 Jul 2013 12:22:55 -0500
> From: Wesley Bland <wbland at mcs.anl.gov>
> To: discuss at mpich.org
> Subject: Re: [mpich-discuss] mpich on Mac os x
> Message-ID: <0A10C046-D447-45E0-BD4C-CD6CE7F12D92 at mcs.anl.gov>
> Content-Type: text/plain; charset=us-ascii
>
> Pavan is probably right that this a problem with the application you're
> trying to run. You should probably talk to them. However, if you're trying
> to write an MPI problem, you must understand how MPI_COMM_FREE works.
> Here's a couple of good links:
>
> http://www.mcs.anl.gov/research/projects/mpi/www/www3/MPI_Comm_free.html
> http://mpi.deino.net/mpi_functions/MPI_Comm_free.html
>
> On Jul 8, 2013, at 11:56 AM, Jeff Hammond <jeff.science at gmail.com> wrote:
>
> > Do you understand the different between a Fortran procedure/subroutine
> > and a variable value?
> >
> > You cannot set an MPI communicator equal to a subroutine. That makes
> > no sense and the compiler is rightfully complaining about it.
> >
> > Jeff
> >
> > On Mon, Jul 8, 2013 at 11:32 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>
> >> Hi Wesley,
> >>
> >> How could I do that? as I read in the internet. I have to set:
> >> include "mpif.h"
> >> Call MPI_COMM_FREE
> >>
> >> I found where I can set that in FLASH code ( I have attached the file)
> So I
> >> set:
> >> integer, parameter :: FLASH_COMM = MPI_COMM_FREE
> >> but I got an error when I compile the code:
> >>
> >> Included at Driver_abortFlash.F90:34:
> >>
> >> integer, parameter :: FLASH_COMM = MPI_COMM_FREE
> >> 1
> >> Error: Symbol 'flash_comm' at (1) already has basic type of INTEGER
> >> make: *** [Driver_abortFlash.o] Error 1
> >>
> >> the code used MPI_COMM_WORLD.
> >> So is there a way to fix that?
> >>
> >> Thanks,
> >> Reem
> >>
> >>
> >>
> >>> Date: Mon, 8 Jul 2013 10:25:38 -0500
> >>> From: Wesley Bland <wbland at mcs.anl.gov>
> >>> To: discuss at mpich.org
> >>> Subject: Re: [mpich-discuss] discuss Digest, Vol 9, Issue 13
> >>> Message-ID: <9A8EEBB2-72BB-429B-9368-150983B1C283 at mcs.anl.gov>
> >>> Content-Type: text/plain; charset="iso-8859-1"
> >>>
> >>> That's the correct way to set that environment variable, but I would
> have
> >>> to agree with Pavan here. If you're running into the cap on context
> id's
> >>> (especially with so few processes) it would seem that you're creating
> a lot
> >>> of communicators that you probably don't need. Are you sure that you're
> >>> freeing them correctly after use?
> >>>
> >>> Wesley
> >>>
> >>> On Jul 8, 2013, at 10:05 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>>
> >>>> Hi Wesley.
> >>>> I wrote the following:
> >>>> mpirun --np 4 --env MPIR_PARAM_CTXID_EAGER_SIZE 1 ./flash4
> >>>> but the error still the same. Did I do it in the wrong way??
> >>>>
> >>>> Thanks,
> >>>> Reem
> >>>>
> >>>> Message: 5
> >>>> Date: Mon, 8 Jul 2013 08:14:48 -0500
> >>>> From: Wesley Bland <wbland at mcs.anl.gov>
> >>>> To: discuss at mpich.org
> >>>> Subject: Re: [mpich-discuss] mpich on Mac os x
> >>>> Message-ID: <8DC984B2-4E4B-4BFE-806E-203463A7A4E4 at mcs.anl.gov>
> >>>> Content-Type: text/plain; charset=iso-8859-1
> >>>>
> >>>> It seems that you're creating more communicators than MPICH can
> handle.
> >>>> It's possible that you might be able to get around this by setting the
> >>>> environment variable MPIR_PARAM_CTXID_EAGER_SIZE to something smaller
> than
> >>>> its default (which is 2). That frees up a few more communicators, but
> there
> >>>> is a pathological case where even with fewer communicators than the
> max,
> >>>> MPICH won't be able to agree on a new communicator id when needed. Try
> >>>> changing that environment variable and see if that fixes things.
> >>>>
> >>>> Wesley
> >>>>
> >>>> On Jul 8, 2013, at 5:33 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>>>
> >>>>> Hi all,
> >>>>> I am using mpich-3.0.4 on Mac os x version 10.7.5 to run FLASH code.
> >>>>> It works fine in the beginning of the run and then I got the
> following
> >>>>> error:
> >>>>>
> >>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>> MPI_Comm_create(600).................:
> >>>>> MPI_Comm_create(comm=0x84000002, group=0xc8001349,
> new_comm=0x7fff606a8614)
> >>>>> failed
> >>>>> MPI_Comm_create(577).................:
> >>>>> MPIR_Comm_create_intra(241)..........:
> >>>>> MPIR_Get_contextid(799)..............:
> >>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>> because of fragmentation (169/2048 free on this process; ignore_id=0)
> >>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>> MPI_Comm_create(600).................:
> >>>>> MPI_Comm_create(comm=0x84000002, group=0xc80012b6,
> new_comm=0x7fff670cc614)
> >>>>> failed
> >>>>> MPI_Comm_create(577).................:
> >>>>> MPIR_Comm_create_intra(241)..........:
> >>>>> MPIR_Get_contextid(799)..............:
> >>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>> because of fragmentation (316/2048 free on this process; ignore_id=0)
> >>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>> MPI_Comm_create(600).................:
> >>>>> MPI_Comm_create(comm=0x84000004, group=0xc800000e,
> new_comm=0x7fff629d5614)
> >>>>> failed
> >>>>> MPI_Comm_create(577).................:
> >>>>> MPIR_Comm_create_intra(241)..........:
> >>>>> MPIR_Get_contextid(799)..............:
> >>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>> because of fragmentation (2020/2048 free on this process;
> ignore_id=0)
> >>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>> MPI_Comm_create(600).................:
> >>>>> MPI_Comm_create(comm=0x84000002, group=0xc8000020,
> new_comm=0x7fff639ae614)
> >>>>> failed
> >>>>> MPI_Comm_create(577).................:
> >>>>> MPIR_Comm_create_intra(241)..........:
> >>>>> MPIR_Get_contextid(799)..............:
> >>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>> because of fragmentation (2002/2048 free on this process; ignore_id=0
> >>>>>
> >>>>> Is there a way to fix that ?
> >>>>>
> >>>>> Thanks,
> >>>>> Reem
> >>
> >>
> >>>
> >>> On Mon, Jul 8, 2013 at 9:17 AM, Pavan Balaji <balaji at mcs.anl.gov>
> wrote:
> >>>>
> >>>> Also make sure you are freeing unused communicators.
> >>>>
> >>>> -- Pavan
> >>>>
> >>>> On 07/08/2013 08:14 AM, Wesley Bland wrote:
> >>>>>
> >>>>> It seems that you're creating more communicators than MPICH can
> handle.
> >>>>> It's possible that you might be able to get around this by setting
> the
> >>>>> environment variable MPIR_PARAM_CTXID_EAGER_SIZE to something smaller
> >>>>> than
> >>>>> its default (which is 2). That frees up a few more communicators, but
> >>>>> there
> >>>>> is a pathological case where even with fewer communicators than the
> >>>>> max,
> >>>>> MPICH won't be able to agree on a new communicator id when needed.
> Try
> >>>>> changing that environment variable and see if that fixes things.
> >>>>>
> >>>>> Wesley
> >>>>>
> >>>>> On Jul 8, 2013, at 5:33 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>>>>
> >>>>>> Hi all,
> >>>>>> I am using mpich-3.0.4 on Mac os x version 10.7.5 to run FLASH code.
> >>>>>> It
> >>>>>> works fine in the beginning of the run and then I got the following
> >>>>>> error:
> >>>>>>
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002,
> >>>>>> group=0xc8001349, new_comm=0x7fff606a8614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (169/2048 free on this process;
> ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002,
> >>>>>> group=0xc80012b6, new_comm=0x7fff670cc614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (316/2048 free on this process;
> ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000004,
> >>>>>> group=0xc800000e, new_comm=0x7fff629d5614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (2020/2048 free on this process;
> ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002,
> >>>>>> group=0xc8000020, new_comm=0x7fff639ae614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (2002/2048 free on this process;
> ignore_id=0
> >>>>>>
> >>>>>> Is there a way to fix that ?
> >>>>>>
> >>>>>> Thanks,
> >>>>>> Reem
> >>>>>> _______________________________________________
> >>>>>> discuss mailing list discuss at mpich.org
> >>>>>> To manage subscription options or unsubscribe:
> >>>>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> discuss mailing list discuss at mpich.org
> >>>>> To manage subscription options or unsubscribe:
> >>>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>>>
> >>>>
> >>>> --
> >>>> Pavan Balaji
> >>>> http://www.mcs.anl.gov/~balaji
> >>>> _______________________________________________
> >>>> discuss mailing list discuss at mpich.org
> >>>> To manage subscription options or unsubscribe:
> >>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>
> >>>
> >>>
> >>> --
> >>> Jeff Hammond
> >>> jeff.science at gmail.com
> >>>
> >>>
> >>> ------------------------------
> >>>
> >>> Message: 3
> >>> Date: Mon, 8 Jul 2013 16:39:03 +0100
> >>> From: Reem Alraddadi <raba500 at york.ac.uk>
> >>> To: discuss at mpich.org
> >>> Subject: [mpich-discuss] mpich on Mac os x
> >>> Message-ID:
> >>>
> >>> <CANKsntEJR0b_TA-tbdBO3fOV2O8PkwTG82a718qZPd3FnEBT3w at mail.gmail.com>
> >>> Content-Type: text/plain; charset="iso-8859-1"
> >>>
> >>> Hi Pavan,
> >>>
> >>> Could you explain more what do you mean by that? I am sorry I am still
> >>> beginner in MPICH.
> >>>
> >>> Hi Wesley,
> >>> apologize about my first confused reply I have forgotten to change the
> >>> subject. However, as I mentioned I wrote the following line:
> >>>
> >>> mpirun --np 4 --env MPIR_PARAM_CTXID_EAGER_SIZE 1 ./flash4
> >>>
> >>> I am wondering if I made any mistake here as the problem is still the
> same
> >>>
> >>> Thanks,
> >>> Reem
> >>>
> >>>
> >>>
> >>> Message: 1
> >>>> Date: Mon, 08 Jul 2013 09:17:00 -0500
> >>>> From: Pavan Balaji <balaji at mcs.anl.gov>
> >>>> To: discuss at mpich.org
> >>>> Subject: Re: [mpich-discuss] mpich on Mac os x
> >>>> Message-ID: <51DAC9DC.5000502 at mcs.anl.gov>
> >>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >>>>
> >>>>
> >>>> Also make sure you are freeing unused communicators.
> >>>>
> >>>> -- Pavan
> >>>>
> >>>> On 07/08/2013 08:14 AM, Wesley Bland wrote:
> >>>>> It seems that you're creating more communicators than MPICH can
> >>>>> handle.
> >>>> It's possible that you might be able to get around this by setting the
> >>>> environment variable MPIR_PARAM_CTXID_EAGER_SIZE to something smaller
> >>>> than
> >>>> its default (which is 2). That frees up a few more communicators, but
> >>>> there
> >>>> is a pathological case where even with fewer communicators than the
> max,
> >>>> MPICH won't be able to agree on a new communicator id when needed. Try
> >>>> changing that environment variable and see if that fixes things.
> >>>>>
> >>>>> Wesley
> >>>>>
> >>>>> On Jul 8, 2013, at 5:33 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>>>>
> >>>>>> Hi all,
> >>>>>> I am using mpich-3.0.4 on Mac os x version 10.7.5 to run FLASH code.
> >>>>>> It
> >>>> works fine in the beginning of the run and then I got the following
> >>>> error:
> >>>>>>
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002,
> >>>> group=0xc8001349, new_comm=0x7fff606a8614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>> because of fragmentation (169/2048 free on this process; ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002,
> >>>> group=0xc80012b6, new_comm=0x7fff670cc614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>> because of fragmentation (316/2048 free on this process; ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000004,
> >>>> group=0xc800000e, new_comm=0x7fff629d5614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>> because of fragmentation (2020/2048 free on this process; ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002,
> >>>> group=0xc8000020, new_comm=0x7fff639ae614) failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>> because of fragmentation (2002/2048 free on this process; ignore_id=0
> >>>>>>
> >>>>>> Is there a way to fix that ?
> >>>>>>
> >>>>>> Thanks,
> >>>>>> Reem
> >>>>>> _______________________________________________
> >>>>>> discuss mailing list discuss at mpich.org
> >>>>>> To manage subscription options or unsubscribe:
> >>>>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>>>
> >>>>> _______________________________________________
> >>>>> discuss mailing list discuss at mpich.org
> >>>>> To manage subscription options or unsubscribe:
> >>>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>>>
> >>>>
> >>>> --
> >>>> Pavan Balaji
> >>>> http://www.mcs.anl.gov/~balaji
> >>>>
> >>> -------------- next part --------------
> >>> An HTML attachment was scrubbed...
> >>> URL:
> >>> <
> http://lists.mpich.org/pipermail/discuss/attachments/20130708/e3a9be0d/attachment-0001.html
> >
> >>>
> >>> ------------------------------
> >>>
> >>> Message: 4
> >>> Date: Mon, 8 Jul 2013 10:53:48 -0500
> >>> From: Wesley Bland <wbland at mcs.anl.gov>
> >>> To: discuss at mpich.org
> >>> Subject: Re: [mpich-discuss] mpich on Mac os x
> >>> Message-ID: <CEEC8B51-FFDF-40FE-BE56-E25F9C05BB27 at mcs.anl.gov>
> >>> Content-Type: text/plain; charset="iso-8859-1"
> >>>
> >>> On Jul 8, 2013, at 10:39 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>>
> >>>> Hi Pavan,
> >>>>
> >>>> Could you explain more what do you mean by that? I am sorry I am still
> >>>> beginner in MPICH.
> >>>
> >>> This isn't specific to MPICH. This would be the case with any MPI
> >>> implementation. What he means is that you need to make sure that when
> you
> >>> are done using a communicator, you call MPI_Comm_free(communicator) so
> MPICH
> >>> can free the internal resources used by the communicator. If you never
> free
> >>> your communicators, then you will eventually run out. There is a
> limited
> >>> number of communicators available internally.
> >>>
> >>>>
> >>>> Hi Wesley,
> >>>> apologize about my first confused reply I have forgotten to change the
> >>>> subject. However, as I mentioned I wrote the following line:
> >>>>
> >>>> mpirun --np 4 --env MPIR_PARAM_CTXID_EAGER_SIZE 1 ./flash4
> >>>>
> >>>> I am wondering if I made any mistake here as the problem is still the
> >>>> same
> >>>
> >>> Yes, that's the correct way to use it, so that means your problem is
> >>> probably what we described above.
> >>>
> >>>>
> >>>> Thanks,
> >>>> Reem
> >>>>
> >>>>
> >>>>
> >>>> Message: 1
> >>>> Date: Mon, 08 Jul 2013 09:17:00 -0500
> >>>> From: Pavan Balaji <balaji at mcs.anl.gov>
> >>>> To: discuss at mpich.org
> >>>> Subject: Re: [mpich-discuss] mpich on Mac os x
> >>>> Message-ID: <51DAC9DC.5000502 at mcs.anl.gov>
> >>>> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
> >>>>
> >>>>
> >>>> Also make sure you are freeing unused communicators.
> >>>>
> >>>> -- Pavan
> >>>>
> >>>> On 07/08/2013 08:14 AM, Wesley Bland wrote:
> >>>>> It seems that you're creating more communicators than MPICH can
> >>>>> handle. It's possible that you might be able to get around this by
> setting
> >>>>> the environment variable MPIR_PARAM_CTXID_EAGER_SIZE to something
> smaller
> >>>>> than its default (which is 2). That frees up a few more
> communicators, but
> >>>>> there is a pathological case where even with fewer communicators
> than the
> >>>>> max, MPICH won't be able to agree on a new communicator id when
> needed. Try
> >>>>> changing that environment variable and see if that fixes things.
> >>>>>
> >>>>> Wesley
> >>>>>
> >>>>> On Jul 8, 2013, at 5:33 AM, Reem Alraddadi <raba500 at york.ac.uk>
> wrote:
> >>>>>
> >>>>>> Hi all,
> >>>>>> I am using mpich-3.0.4 on Mac os x version 10.7.5 to run FLASH code.
> >>>>>> It works fine in the beginning of the run and then I got the
> following
> >>>>>> error:
> >>>>>>
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002, group=0xc8001349,
> new_comm=0x7fff606a8614)
> >>>>>> failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (169/2048 free on this process;
> ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002, group=0xc80012b6,
> new_comm=0x7fff670cc614)
> >>>>>> failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (316/2048 free on this process;
> ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000004, group=0xc800000e,
> new_comm=0x7fff629d5614)
> >>>>>> failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (2020/2048 free on this process;
> ignore_id=0)
> >>>>>> Fatal error in MPI_Comm_create: Other MPI error, error stack:
> >>>>>> MPI_Comm_create(600).................:
> >>>>>> MPI_Comm_create(comm=0x84000002, group=0xc8000020,
> new_comm=0x7fff639ae614)
> >>>>>> failed
> >>>>>> MPI_Comm_create(577).................:
> >>>>>> MPIR_Comm_create_intra(241)..........:
> >>>>>> MPIR_Get_contextid(799)..............:
> >>>>>> MPIR_Get_contextid_sparse_group(1146): Cannot allocate context ID
> >>>>>> because of fragmentation (2002/2048 free on this process;
> ignore_id=0
> >>>>>>
> >>>>>> Is there a way to fix that ?
> >>>>>>
> >>>>>> Thanks,
> >>>>>> Reem
> >>>>>> _______________________________________________
> >>>>>> discuss mailing list discuss at mpich.org
> >>>>>> To manage subscription options or unsubscribe:
> >>>>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>>>
> >>>>> _______________________________________________
> >>>>> discuss mailing list discuss at mpich.org
> >>>>> To manage subscription options or unsubscribe:
> >>>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>>>
> >>>>
> >>>> --
> >>>> Pavan Balaji
> >>>> http://www.mcs.anl.gov/~balaji
> >>>> _______________________________________________
> >>>> discuss mailing list discuss at mpich.org
> >>>> To manage subscription options or unsubscribe:
> >>>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>
> >>> -------------- next part --------------
> >>> An HTML attachment was scrubbed...
> >>> URL:
> >>> <
> http://lists.mpich.org/pipermail/discuss/attachments/20130708/5b36571f/attachment.html
> >
> >>>
> >>> ------------------------------
> >>>
> >>> _______________________________________________
> >>> discuss mailing list
> >>> discuss at mpich.org
> >>> https://lists.mpich.org/mailman/listinfo/discuss
> >>>
> >>> End of discuss Digest, Vol 9, Issue 15
> >>> **************************************
> >>
> >>
> >>
> >> _______________________________________________
> >> discuss mailing list discuss at mpich.org
> >> To manage subscription options or unsubscribe:
> >> https://lists.mpich.org/mailman/listinfo/discuss
> >
> >
> >
> > --
> > Jeff Hammond
> > jeff.science at gmail.com
> > _______________________________________________
> > discuss mailing list discuss at mpich.org
> > To manage subscription options or unsubscribe:
> > https://lists.mpich.org/mailman/listinfo/discuss
>
>
>
> ------------------------------
>
> _______________________________________________
> discuss mailing list
> discuss at mpich.org
> https://lists.mpich.org/mailman/listinfo/discuss
>
> End of discuss Digest, Vol 9, Issue 19
> **************************************
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mpich.org/pipermail/discuss/attachments/20130708/341691b1/attachment.html>
More information about the discuss
mailing list