[mpich-discuss] mpich on Mac os x

Pavan Balaji balaji at mcs.anl.gov
Mon Jul 8 11:39:01 CDT 2013


This is a problem with the application.  Can you contact the application 
team about it?

  -- Pavan

On 07/08/2013 11:32 AM, Reem Alraddadi 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 <mailto:wbland at mcs.anl.gov>>
>     To: discuss at mpich.org <mailto: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
>     <mailto: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
>     <mailto: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 <mailto:wbland at mcs.anl.gov>>
>      > To: discuss at mpich.org <mailto:discuss at mpich.org>
>      > Subject: Re: [mpich-discuss] mpich on Mac os x
>      > Message-ID: <8DC984B2-4E4B-4BFE-806E-203463A7A4E4 at mcs.anl.gov
>     <mailto: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
>     <mailto: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
>     <mailto: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
>     <mailto: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 <mailto:discuss at mpich.org>
>      >>> To manage subscription options or unsubscribe:
>      >>> https://lists.mpich.org/mailman/listinfo/discuss
>      >>
>      >>
>      >> _______________________________________________
>      >> discuss mailing list discuss at mpich.org <mailto: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 <mailto:discuss at mpich.org>
>      > To manage subscription options or unsubscribe:
>      > https://lists.mpich.org/mailman/listinfo/discuss
>
>
>
>     --
>     Jeff Hammond
>     jeff.science at gmail.com <mailto:jeff.science at gmail.com>
>
>
>     ------------------------------
>
>     Message: 3
>     Date: Mon, 8 Jul 2013 16:39:03 +0100
>     From: Reem Alraddadi <raba500 at york.ac.uk <mailto:raba500 at york.ac.uk>>
>     To: discuss at mpich.org <mailto:discuss at mpich.org>
>     Subject: [mpich-discuss] mpich on Mac os x
>     Message-ID:
>
>     <CANKsntEJR0b_TA-tbdBO3fOV2O8PkwTG82a718qZPd3FnEBT3w at mail.gmail.com
>     <mailto: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 <mailto:balaji at mcs.anl.gov>>
>      > To: discuss at mpich.org <mailto:discuss at mpich.org>
>      > Subject: Re: [mpich-discuss] mpich on Mac os x
>      > Message-ID: <51DAC9DC.5000502 at mcs.anl.gov
>     <mailto: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
>     <mailto: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 <mailto:discuss at mpich.org>
>      > >> To manage subscription options or unsubscribe:
>      > >> https://lists.mpich.org/mailman/listinfo/discuss
>      > >
>      > > _______________________________________________
>      > > discuss mailing list discuss at mpich.org <mailto: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
>      >
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>     ------------------------------
>
>     Message: 4
>     Date: Mon, 8 Jul 2013 10:53:48 -0500
>     From: Wesley Bland <wbland at mcs.anl.gov <mailto:wbland at mcs.anl.gov>>
>     To: discuss at mpich.org <mailto:discuss at mpich.org>
>     Subject: Re: [mpich-discuss] mpich on Mac os x
>     Message-ID: <CEEC8B51-FFDF-40FE-BE56-E25F9C05BB27 at mcs.anl.gov
>     <mailto: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
>     <mailto: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 <mailto:balaji at mcs.anl.gov>>
>      > To: discuss at mpich.org <mailto:discuss at mpich.org>
>      > Subject: Re: [mpich-discuss] mpich on Mac os x
>      > Message-ID: <51DAC9DC.5000502 at mcs.anl.gov
>     <mailto: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
>     <mailto: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 <mailto:discuss at mpich.org>
>      > >> To manage subscription options or unsubscribe:
>      > >> https://lists.mpich.org/mailman/listinfo/discuss
>      > >
>      > > _______________________________________________
>      > > discuss mailing list discuss at mpich.org <mailto: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 <mailto:discuss at mpich.org>
>      > To manage subscription options or unsubscribe:
>      > https://lists.mpich.org/mailman/listinfo/discuss
>
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>     discuss mailing list
>     discuss at mpich.org <mailto:discuss at mpich.org>
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Pavan Balaji
http://www.mcs.anl.gov/~balaji



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