February 2014 - discuss - mailman3.cels.anl.gov

Re: [mpich-discuss] MPICH under torque - adding new nodes
by Reuti 20 Feb '14

20 Feb '14

Hi, Am 20.02.2014 um 18:10 schrieb Suraj Prabhakaran: > I want use MPICH under the Torque RMS. I can see that mpiexec will automatically take the nodefile from $PBS_NODEFILE. > I am working on dynamically adding nodes to an existing job in torque. So there might be a point where the job actually has more number of nodes than what was listed in $PBS_NODEFILE. How do you tell Torque that it should increase the number of granted slots/nodes for a particular already running job? -- Reuti > Is it possible to do an MPI_Comm_spawn on these new nodes (which is not listed in PBS_NODEFILE but is actually a part of job)? For example using some info argument such as add-host or something? Or if it entails that the PBS_NODEFILE must be changed with the newly added nodes, I can do that too. > But the basic question is, can MPICH spawn processes on these newly allocated nodes for the same job through some mechanism? > > Best, > Suraj > _______________________________________________ > discuss mailing list discuss(a)mpich.org > To manage subscription options or unsubscribe: > https://lists.mpich.org/mailman/listinfo/discuss

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Re: [mpich-discuss] turning off MPI abort messages
by Jim Dinan 20 Feb '14

20 Feb '14

If you can find a way to call MPI_Finalize instead, you will portably eliminate these messages. A lesser solution would be to provide an error code of 0 (or MPI_SUCCESS) to MPI_Abort, e.g. MPI_Comm_abort(MPI_COMM_WORLD, MPI_SUCCESS). This would eliminate the error message that you are getting from the job launcher. MPICH could be modified to be quiet about the abort when the application aborts with an error code of MPI_SUCCESS. ~Jim. On Thu, Feb 20, 2014 at 12:33 PM, Barry Smith <bsmith(a)mcs.anl.gov> wrote: > > Is there any way to turn off MPICH (and others) printing messages about > MPI_Abort? We have already prepared and presented useful error messages to > the user about the situation and would like to avoid having these > additional messages printed (that often make the situation look worse than > it is) > > Thanks > > Barry > > application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0 > [cli_0]: aborting job: > application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0 > > ==================================================================mailto: > discuss(a)mpich.org================= > = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES > = EXIT CODE: 56 > = CLEANING UP REMAINING PROCESSES > = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES > > =================================================================================== > > > > > _______________________________________________ > discuss mailing list discuss(a)mpich.org > To manage subscription options or unsubscribe: > https://lists.mpich.org/mailman/listinfo/discuss >

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Re: [mpich-discuss] discuss Digest, Vol 16, Issue 7
by Kenneth Raffenetti 20 Feb '14

20 Feb '14

If you are replying to a digest email, it is hard to discern who/what you are replying to without providing context. Now, as a reminder, this is a list for discussing the usage of MPICH. A problem using or understanding malloc() should be raised in a more appropriate forum. Ken On 02/20/2014 11:15 AM, Soheil Hooshdaran wrote: > It causes no problem at all, since the categories/buckets are large > enough. Only the malloc() function causes the problem. I read that it > is not 'interrupt safe'. What does that mean and what should be done > against it? > > > On Wed, Feb 19, 2014 at 8:08 AM, <discuss-request(a)mpich.org > <mailto:[email protected]>> wrote: > > Send discuss mailing list submissions to > discuss(a)mpich.org <mailto:[email protected]> > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.mpich.org/mailman/listinfo/discuss > or, via email, send a message with subject or body 'help' to > discuss-request(a)mpich.org <mailto:[email protected]> > > You can reach the person managing the list at > discuss-owner(a)mpich.org <mailto:[email protected]> > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of discuss digest..." > > > Today's Topics: > > 1. Re: dynamic 2D array creation error (Kenneth Raffenetti) > 2. Re: urgent-malloc problem (Gilles Gouaillardet) > 3. Re: Communication Error when installing MPICH on multi > HOSTS. (Balaji, Pavan) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 18 Feb 2014 07:48:39 -0600 > From: Kenneth Raffenetti <raffenet(a)mcs.anl.gov > <mailto:[email protected]>> > To: <discuss(a)mpich.org <mailto:[email protected]>> > Subject: Re: [mpich-discuss] dynamic 2D array creation error > Message-ID: <530364B7.5040908(a)mcs.anl.gov > <mailto:[email protected]>> > Content-Type: text/plain; charset="UTF-8"; format=flowed > > This list is for asking questions about the usage of mpich. General > programming questions like the below are better suited for a forum like > Stackoverflow. > > On 02/18/2014 12:44 AM, Soheil Hooshdaran wrote: > > Hello. What's wrong with this code snippet? > > > > |1 > > 2 > > 3 > > 4 > > 5 > > 6 > > | > > > > > > > > | int **lBucket; > > > > lBucket =new int*[iWorldSize];//iWorldSize is the > nummber of processors > > > > for(i=0;i<iWorldSize;++i) > > lBucket[i] =new int[m];| > > > > > > > > Thanks in advance > > > > > > > > > > _______________________________________________ > > discuss mailing list discuss(a)mpich.org <mailto:[email protected]> > > To manage subscription options or unsubscribe: > > https://lists.mpich.org/mailman/listinfo/discuss > > > > > ------------------------------ > > Message: 2 > Date: Wed, 19 Feb 2014 12:07:43 +0900 > From: Gilles Gouaillardet <gilles.gouaillardet(a)iferc.org > <mailto:[email protected]>> > To: discuss(a)mpich.org <mailto:[email protected]> > Subject: Re: [mpich-discuss] urgent-malloc problem > Message-ID: <53041FFF.4040101(a)iferc.org > <mailto:[email protected]>> > Content-Type: text/plain; charset=ISO-8859-1 > > Hello, > > how do you run your program ? > e.g. > ./a.out <m> <base> <r> > which values for m, base and r ? > > there is no check on boundaries, and depending on the input parameters, > > cat[count][ cursor[count]++ ] > > indexes can be out of bound > > imho, this is not mpich related at all > > Best regards, > > Gilles > > > On 2014/02/13 0:22, Soheil Hooshdaran wrote: > > Hello. > > I have a memory allocation problem (using malloc). I can't figure > out its > > cause. Could you help me please? > > > > > > ------------------------------ > > Message: 3 > Date: Wed, 19 Feb 2014 04:38:38 +0000 > From: "Balaji, Pavan" <balaji(a)anl.gov <mailto:[email protected]>> > To: "discuss(a)mpich.org <mailto:[email protected]>" > <discuss(a)mpich.org <mailto:[email protected]>> > Subject: Re: [mpich-discuss] Communication Error when installing MPICH > on multi HOSTS. > Message-ID: <CF29912C.5996E%balaji(a)anl.gov > <mailto:CF29912C.5996E%[email protected]>> > Content-Type: text/plain; charset="utf-8" > > > It?s hard to tell, but this does indicate some problem with your > communication setup. Did you verify your /etc/hosts like described > on the FAQ page? > > ? Pavan > > From: ???? <wu_0317(a)qq.com > <mailto:[email protected]><mailto:[email protected] <mailto:[email protected]>>> > Reply-To: "discuss(a)mpich.org > <mailto:[email protected]><mailto:[email protected] > <mailto:[email protected]>>" <discuss(a)mpich.org > <mailto:[email protected]><mailto:[email protected] > <mailto:[email protected]>>> > Date: Tuesday, February 18, 2014 at 5:21 AM > To: discuss <discuss(a)mpich.org > <mailto:[email protected]><mailto:[email protected] > <mailto:[email protected]>>> > Subject: [mpich-discuss] Communication Error when installing MPICH > on multi HOSTS. > > HI. > > My environment: > Two Vmware VMs with ubuntu-server12.04 OS, called mpimaster,mpislaver1 > they both linked to a virtual network 10.0.0.1; > they can ssh to each other without password; > I have disabled the fire walls with "sudo ufw disable" > I install mpich3.0.4 on a NFS servered by mpimaster. > > I installed mpich3.0.4 follow the "readme.txt", it has Communication > problem when progresses from different host comunicate with each other. > [cid:[email protected]] > > From picture above we can see it's ok to run "cpi" on both hosts > separately. > > If you can't see the picture,plz see the shell's below. > > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -n 4 ./examples/cpi > Process 0 of 4 is on mpimaster > Process 1 of 4 is on mpimaster > Process 2 of 4 is on mpimaster > Process 3 of 4 is on mpimaster > pi is approximately 3.1415926544231239, Error is 0.0000000008333307 > wall clock time = 0.028108 > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpimaster -n > 4 ./examples/cpi > Process 2 of 4 is on mpimaster > Process 0 of 4 is on mpimaster > Process 1 of 4 is on mpimaster > Process 3 of 4 is on mpimaster > pi is approximately 3.1415926544231239, Error is 0.0000000008333307 > wall clock time = 0.027234 > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpislaver1 > -n 4 ./examples/cpi > Process 0 of 4 is on mpislaver1 > pi is approximately 3.1415926544231239, Error is 0.0000000008333307 > wall clock time = 0.000093 > Process 1 of 4 is on mpislaver1 > Process 2 of 4 is on mpislaver1 > Process 3 of 4 is on mpislaver1 > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts > mpimaster,mpislaver1 -n 4 ./examples/cpi > Process 0 of 4 is on mpimaster > Process 2 of 4 is on mpimaster > Fatal error in PMPI_Reduce: A process has failed, error stack: > PMPI_Reduce(1217)...............: MPI_Reduce(sbuf=0x7fff73a51ce8, > rbuf=0x7fff73a51cf0, count=1, MPI_DOUBLE, MPI_SUM, root=0, > MPI_COMM_WORLD) failed > MPIR_Reduce_impl(1029)..........: > MPIR_Reduce_intra(779)..........: > MPIR_Reduce_impl(1029)..........: > MPIR_Reduce_intra(835)..........: > MPIR_Reduce_binomial(144).......: > MPIDI_CH3U_Recvq_FDU_or_AEP(667): Communication error with rank 1 > MPIR_Reduce_intra(799)..........: > MPIR_Reduce_impl(1029)..........: > MPIR_Reduce_intra(835)..........: > MPIR_Reduce_binomial(206).......: Failure during collective > > ================================================================================ > = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES > = EXIT CODE: 1 > = CLEANING UP REMAINING PROCESSES > = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES > ================================================================================ > [proxy:0:1@mpislaver1] HYD_pmcd_pmip_control_cmd_cb > (./pm/pmiserv/pmip_cb.c:886) > [proxy:0:1@mpislaver1] HYDT_dmxu_poll_wait_for_event > (./tools/demux/demux_poll.c > [proxy:0:1@mpislaver1] main (./pm/pmiserv/pmip.c:206): demux engine > error waitin > [mpiexec@mpimaster] HYDT_bscu_wait_for_completion > (./tools/bootstrap/utils/bscu_ > [mpiexec@mpimaster] HYDT_bsci_wait_for_completion > (./tools/bootstrap/src/bsci_wa > [mpiexec@mpimaster] HYD_pmci_wait_for_completion > (./pm/pmiserv/pmiserv_pmci.c:21 > [mpiexec@mpimaster] main (./ui/mpich/mpiexec.c:331): process manager > error waiti > ailab@mpimaster:~/Downloads/mpich-3.0.4$ > > plz help,THX! > > > ------------------ > Jie-Jun Wu > Department of Computer Science, > Sun Yat-sen University, > Guangzhou, > P.R. China > >

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turning off MPI abort messages
by Barry Smith 20 Feb '14

20 Feb '14

Is there any way to turn off MPICH (and others) printing messages about MPI_Abort? We have already prepared and presented useful error messages to the user about the situation and would like to avoid having these additional messages printed (that often make the situation look worse than it is) Thanks Barry application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0 [cli_0]: aborting job: application called MPI_Abort(MPI_COMM_WORLD, 56) - process 0 ==================================================================mailto:[email protected]================= = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES = EXIT CODE: 56 = CLEANING UP REMAINING PROCESSES = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES ===================================================================================

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Re: [mpich-discuss] discuss Digest, Vol 16, Issue 7
by Soheil Hooshdaran 20 Feb '14

20 Feb '14

It causes no problem at all, since the categories/buckets are large enough. Only the malloc() function causes the problem. I read that it is not 'interrupt safe'. What does that mean and what should be done against it? On Wed, Feb 19, 2014 at 8:08 AM, <discuss-request(a)mpich.org> wrote: > Send discuss mailing list submissions to > discuss(a)mpich.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.mpich.org/mailman/listinfo/discuss > or, via email, send a message with subject or body 'help' to > discuss-request(a)mpich.org > > You can reach the person managing the list at > discuss-owner(a)mpich.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of discuss digest..." > > > Today's Topics: > > 1. Re: dynamic 2D array creation error (Kenneth Raffenetti) > 2. Re: urgent-malloc problem (Gilles Gouaillardet) > 3. Re: Communication Error when installing MPICH on multi > HOSTS. (Balaji, Pavan) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Tue, 18 Feb 2014 07:48:39 -0600 > From: Kenneth Raffenetti <raffenet(a)mcs.anl.gov> > To: <discuss(a)mpich.org> > Subject: Re: [mpich-discuss] dynamic 2D array creation error > Message-ID: <530364B7.5040908(a)mcs.anl.gov> > Content-Type: text/plain; charset="UTF-8"; format=flowed > > This list is for asking questions about the usage of mpich. General > programming questions like the below are better suited for a forum like > Stackoverflow. > > On 02/18/2014 12:44 AM, Soheil Hooshdaran wrote: > > Hello. What's wrong with this code snippet? > > > > |1 > > 2 > > 3 > > 4 > > 5 > > 6 > > | > > > > > > > > | int **lBucket; > > > > lBucket =new int*[iWorldSize];//iWorldSize is the nummber of > processors > > > > for(i=0;i<iWorldSize;++i) > > lBucket[i] =new int[m];| > > > > > > > > Thanks in advance > > > > > > > > > > _______________________________________________ > > discuss mailing list discuss(a)mpich.org > > To manage subscription options or unsubscribe: > > https://lists.mpich.org/mailman/listinfo/discuss > > > > > ------------------------------ > > Message: 2 > Date: Wed, 19 Feb 2014 12:07:43 +0900 > From: Gilles Gouaillardet <gilles.gouaillardet(a)iferc.org> > To: discuss(a)mpich.org > Subject: Re: [mpich-discuss] urgent-malloc problem > Message-ID: <53041FFF.4040101(a)iferc.org> > Content-Type: text/plain; charset=ISO-8859-1 > > Hello, > > how do you run your program ? > e.g. > ./a.out <m> <base> <r> > which values for m, base and r ? > > there is no check on boundaries, and depending on the input parameters, > > cat[count][ cursor[count]++ ] > > indexes can be out of bound > > imho, this is not mpich related at all > > Best regards, > > Gilles > > > On 2014/02/13 0:22, Soheil Hooshdaran wrote: > > Hello. > > I have a memory allocation problem (using malloc). I can't figure out its > > cause. Could you help me please? > > > > > > ------------------------------ > > Message: 3 > Date: Wed, 19 Feb 2014 04:38:38 +0000 > From: "Balaji, Pavan" <balaji(a)anl.gov> > To: "discuss(a)mpich.org" <discuss(a)mpich.org> > Subject: Re: [mpich-discuss] Communication Error when installing MPICH > on multi HOSTS. > Message-ID: <CF29912C.5996E%balaji(a)anl.gov> > Content-Type: text/plain; charset="utf-8" > > > It?s hard to tell, but this does indicate some problem with your > communication setup. Did you verify your /etc/hosts like described on the > FAQ page? > > ? Pavan > > From: ???? <wu_0317(a)qq.com<mailto:[email protected]>> > Reply-To: "discuss(a)mpich.org<mailto:[email protected]>" <discuss(a)mpich.org > <mailto:[email protected]>> > Date: Tuesday, February 18, 2014 at 5:21 AM > To: discuss <discuss(a)mpich.org<mailto:[email protected]>> > Subject: [mpich-discuss] Communication Error when installing MPICH on > multi HOSTS. > > HI. > > My environment: > Two Vmware VMs with ubuntu-server12.04 OS, called mpimaster,mpislaver1 > they both linked to a virtual network 10.0.0.1; > they can ssh to each other without password; > I have disabled the fire walls with "sudo ufw disable" > I install mpich3.0.4 on a NFS servered by mpimaster. > > I installed mpich3.0.4 follow the "readme.txt", it has Communication > problem when progresses from different host comunicate with each other. > [cid:[email protected]] > > From picture above we can see it's ok to run "cpi" on both hosts > separately. > > If you can't see the picture,plz see the shell's below. > > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -n 4 ./examples/cpi > Process 0 of 4 is on mpimaster > Process 1 of 4 is on mpimaster > Process 2 of 4 is on mpimaster > Process 3 of 4 is on mpimaster > pi is approximately 3.1415926544231239, Error is 0.0000000008333307 > wall clock time = 0.028108 > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpimaster -n 4 > ./examples/cpi > Process 2 of 4 is on mpimaster > Process 0 of 4 is on mpimaster > Process 1 of 4 is on mpimaster > Process 3 of 4 is on mpimaster > pi is approximately 3.1415926544231239, Error is 0.0000000008333307 > wall clock time = 0.027234 > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpislaver1 -n 4 > ./examples/cpi > Process 0 of 4 is on mpislaver1 > pi is approximately 3.1415926544231239, Error is 0.0000000008333307 > wall clock time = 0.000093 > Process 1 of 4 is on mpislaver1 > Process 2 of 4 is on mpislaver1 > Process 3 of 4 is on mpislaver1 > ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts > mpimaster,mpislaver1 -n 4 ./examples/cpi > Process 0 of 4 is on mpimaster > Process 2 of 4 is on mpimaster > Fatal error in PMPI_Reduce: A process has failed, error stack: > PMPI_Reduce(1217)...............: MPI_Reduce(sbuf=0x7fff73a51ce8, > rbuf=0x7fff73a51cf0, count=1, MPI_DOUBLE, MPI_SUM, root=0, MPI_COMM_WORLD) > failed > MPIR_Reduce_impl(1029)..........: > MPIR_Reduce_intra(779)..........: > MPIR_Reduce_impl(1029)..........: > MPIR_Reduce_intra(835)..........: > MPIR_Reduce_binomial(144).......: > MPIDI_CH3U_Recvq_FDU_or_AEP(667): Communication error with rank 1 > MPIR_Reduce_intra(799)..........: > MPIR_Reduce_impl(1029)..........: > MPIR_Reduce_intra(835)..........: > MPIR_Reduce_binomial(206).......: Failure during collective > > > ================================================================================ > = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES > = EXIT CODE: 1 > = CLEANING UP REMAINING PROCESSES > = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES > > ================================================================================ > [proxy:0:1@mpislaver1] HYD_pmcd_pmip_control_cmd_cb > (./pm/pmiserv/pmip_cb.c:886) > [proxy:0:1@mpislaver1] HYDT_dmxu_poll_wait_for_event > (./tools/demux/demux_poll.c > [proxy:0:1@mpislaver1] main (./pm/pmiserv/pmip.c:206): demux engine error > waitin > [mpiexec@mpimaster] HYDT_bscu_wait_for_completion > (./tools/bootstrap/utils/bscu_ > [mpiexec@mpimaster] HYDT_bsci_wait_for_completion > (./tools/bootstrap/src/bsci_wa > [mpiexec@mpimaster] HYD_pmci_wait_for_completion > (./pm/pmiserv/pmiserv_pmci.c:21 > [mpiexec@mpimaster] main (./ui/mpich/mpiexec.c:331): process manager > error waiti > ailab@mpimaster:~/Downloads/mpich-3.0.4$ > > plz help,THX! > > > ------------------ > Jie-Jun Wu > Department of Computer Science, > Sun Yat-sen University, > Guangzhou, > P.R. China > >

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MPICH under torque - adding new nodes
by Suraj Prabhakaran 20 Feb '14

20 Feb '14

Hello, I want use MPICH under the Torque RMS. I can see that mpiexec will automatically take the nodefile from $PBS_NODEFILE. I am working on dynamically adding nodes to an existing job in torque. So there might be a point where the job actually has more number of nodes than what was listed in $PBS_NODEFILE. Is it possible to do an MPI_Comm_spawn on these new nodes (which is not listed in PBS_NODEFILE but is actually a part of job)? For example using some info argument such as add-host or something? Or if it entails that the PBS_NODEFILE must be changed with the newly added nodes, I can do that too. But the basic question is, can MPICH spawn processes on these newly allocated nodes for the same job through some mechanism? Best, Suraj

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running my program
by Soheil Hooshdaran 20 Feb '14

20 Feb '14

Oh, sorry. Hello. it is run as: mpirun -n <np> ./a.out <m> <<b> <l> [each processor will generate m numbers randomly in the range of b..l] like mpirun -n 4 ./a.out 4 0 15 [note that the range is divisible by the number of processors.

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回复： Communication Error when installing MPICH onmulti HOSTS.
by 维洛逐风 19 Feb '14

19 Feb '14

Thank you! It helps! I checked my /etc/hosts, as bellow: 127.0.0.1 localhost 127.0.1.1 mpislaver1 10.10.10.10 mpimaster 10.10.10.11 mpislaver1 # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters It seems that the second line"127.0.1.1 mpislaver1" causes ambiguity. The Error gone after I deleted this line on both hosts! ------------------ Jie-Jun Wu Department of Computer Science, Sun Yat-sen University, Guangzhou, P.R. China ------------------ 原始邮件 ------------------ 发件人: "Balaji, Pavan";<balaji(a)anl.gov>; 发送时间: 2014年2月19日(星期三) 中午12:38 收件人: "discuss(a)mpich.org"<discuss(a)mpich.org>; 主题: Re: [mpich-discuss] Communication Error when installing MPICH onmulti HOSTS. It’s hard to tell, but this does indicate some problem with your communication setup. Did you verify your /etc/hosts like described on the FAQ page? — Pavan From: 维洛逐风 <wu_0317(a)qq.com> Reply-To: "discuss(a)mpich.org" <discuss(a)mpich.org> Date: Tuesday, February 18, 2014 at 5:21 AM To: discuss <discuss(a)mpich.org> Subject: [mpich-discuss] Communication Error when installing MPICH on multi HOSTS. HI. My environment: Two Vmware VMs with ubuntu-server12.04 OS, called mpimaster,mpislaver1 they both linked to a virtual network 10.0.0.1; they can ssh to each other without password; I have disabled the fire walls with "sudo ufw disable" I install mpich3.0.4 on a NFS servered by mpimaster. I installed mpich3.0.4 follow the "readme.txt", it has Communication problem when progresses from different host comunicate with each other. From picture above we can see it's ok to run "cpi" on both hosts separately. If you can't see the picture,plz see the shell's below. ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -n 4 ./examples/cpi Process 0 of 4 is on mpimaster Process 1 of 4 is on mpimaster Process 2 of 4 is on mpimaster Process 3 of 4 is on mpimaster pi is approximately 3.1415926544231239, Error is 0.0000000008333307 wall clock time = 0.028108 ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpimaster -n 4 ./examples/cpi Process 2 of 4 is on mpimaster Process 0 of 4 is on mpimaster Process 1 of 4 is on mpimaster Process 3 of 4 is on mpimaster pi is approximately 3.1415926544231239, Error is 0.0000000008333307 wall clock time = 0.027234 ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpislaver1 -n 4 ./examples/cpi Process 0 of 4 is on mpislaver1 pi is approximately 3.1415926544231239, Error is 0.0000000008333307 wall clock time = 0.000093 Process 1 of 4 is on mpislaver1 Process 2 of 4 is on mpislaver1 Process 3 of 4 is on mpislaver1 ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpimaster,mpislaver1 -n 4 ./examples/cpi Process 0 of 4 is on mpimaster Process 2 of 4 is on mpimaster Fatal error in PMPI_Reduce: A process has failed, error stack: PMPI_Reduce(1217)...............: MPI_Reduce(sbuf=0x7fff73a51ce8, rbuf=0x7fff73a51cf0, count=1, MPI_DOUBLE, MPI_SUM, root=0, MPI_COMM_WORLD) failed MPIR_Reduce_impl(1029)..........: MPIR_Reduce_intra(779)..........: MPIR_Reduce_impl(1029)..........: MPIR_Reduce_intra(835)..........: MPIR_Reduce_binomial(144).......: MPIDI_CH3U_Recvq_FDU_or_AEP(667): Communication error with rank 1 MPIR_Reduce_intra(799)..........: MPIR_Reduce_impl(1029)..........: MPIR_Reduce_intra(835)..........: MPIR_Reduce_binomial(206).......: Failure during collective ================================================================================ = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES = EXIT CODE: 1 = CLEANING UP REMAINING PROCESSES = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES ================================================================================ [proxy:0:1@mpislaver1] HYD_pmcd_pmip_control_cmd_cb (./pm/pmiserv/pmip_cb.c:886) [proxy:0:1@mpislaver1] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c [proxy:0:1@mpislaver1] main (./pm/pmiserv/pmip.c:206): demux engine error waitin [mpiexec@mpimaster] HYDT_bscu_wait_for_completion (./tools/bootstrap/utils/bscu_ [mpiexec@mpimaster] HYDT_bsci_wait_for_completion (./tools/bootstrap/src/bsci_wa [mpiexec@mpimaster] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:21 [mpiexec@mpimaster] main (./ui/mpich/mpiexec.c:331): process manager error waiti ailab@mpimaster:~/Downloads/mpich-3.0.4$ plz help,THX! ------------------ Jie-Jun Wu Department of Computer Science, Sun Yat-sen University, Guangzhou, P.R. China

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Re: [mpich-discuss] Communication Error when installing MPICH on multi HOSTS.
by Balaji, Pavan 18 Feb '14

18 Feb '14

It’s hard to tell, but this does indicate some problem with your communication setup. Did you verify your /etc/hosts like described on the FAQ page? — Pavan From: 维洛逐风 <wu_0317(a)qq.com<mailto:[email protected]>> Reply-To: "discuss(a)mpich.org<mailto:[email protected]>" <discuss(a)mpich.org<mailto:[email protected]>> Date: Tuesday, February 18, 2014 at 5:21 AM To: discuss <discuss(a)mpich.org<mailto:[email protected]>> Subject: [mpich-discuss] Communication Error when installing MPICH on multi HOSTS. HI. My environment: Two Vmware VMs with ubuntu-server12.04 OS, called mpimaster,mpislaver1 they both linked to a virtual network 10.0.0.1; they can ssh to each other without password; I have disabled the fire walls with "sudo ufw disable" I install mpich3.0.4 on a NFS servered by mpimaster. I installed mpich3.0.4 follow the "readme.txt", it has Communication problem when progresses from different host comunicate with each other. [cid:[email protected]] From picture above we can see it's ok to run "cpi" on both hosts separately. If you can't see the picture,plz see the shell's below. ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -n 4 ./examples/cpi Process 0 of 4 is on mpimaster Process 1 of 4 is on mpimaster Process 2 of 4 is on mpimaster Process 3 of 4 is on mpimaster pi is approximately 3.1415926544231239, Error is 0.0000000008333307 wall clock time = 0.028108 ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpimaster -n 4 ./examples/cpi Process 2 of 4 is on mpimaster Process 0 of 4 is on mpimaster Process 1 of 4 is on mpimaster Process 3 of 4 is on mpimaster pi is approximately 3.1415926544231239, Error is 0.0000000008333307 wall clock time = 0.027234 ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpislaver1 -n 4 ./examples/cpi Process 0 of 4 is on mpislaver1 pi is approximately 3.1415926544231239, Error is 0.0000000008333307 wall clock time = 0.000093 Process 1 of 4 is on mpislaver1 Process 2 of 4 is on mpislaver1 Process 3 of 4 is on mpislaver1 ailab@mpimaster:~/Downloads/mpich-3.0.4$ mpiexec -hosts mpimaster,mpislaver1 -n 4 ./examples/cpi Process 0 of 4 is on mpimaster Process 2 of 4 is on mpimaster Fatal error in PMPI_Reduce: A process has failed, error stack: PMPI_Reduce(1217)...............: MPI_Reduce(sbuf=0x7fff73a51ce8, rbuf=0x7fff73a51cf0, count=1, MPI_DOUBLE, MPI_SUM, root=0, MPI_COMM_WORLD) failed MPIR_Reduce_impl(1029)..........: MPIR_Reduce_intra(779)..........: MPIR_Reduce_impl(1029)..........: MPIR_Reduce_intra(835)..........: MPIR_Reduce_binomial(144).......: MPIDI_CH3U_Recvq_FDU_or_AEP(667): Communication error with rank 1 MPIR_Reduce_intra(799)..........: MPIR_Reduce_impl(1029)..........: MPIR_Reduce_intra(835)..........: MPIR_Reduce_binomial(206).......: Failure during collective ================================================================================ = BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES = EXIT CODE: 1 = CLEANING UP REMAINING PROCESSES = YOU CAN IGNORE THE BELOW CLEANUP MESSAGES ================================================================================ [proxy:0:1@mpislaver1] HYD_pmcd_pmip_control_cmd_cb (./pm/pmiserv/pmip_cb.c:886) [proxy:0:1@mpislaver1] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c [proxy:0:1@mpislaver1] main (./pm/pmiserv/pmip.c:206): demux engine error waitin [mpiexec@mpimaster] HYDT_bscu_wait_for_completion (./tools/bootstrap/utils/bscu_ [mpiexec@mpimaster] HYDT_bsci_wait_for_completion (./tools/bootstrap/src/bsci_wa [mpiexec@mpimaster] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:21 [mpiexec@mpimaster] main (./ui/mpich/mpiexec.c:331): process manager error waiti ailab@mpimaster:~/Downloads/mpich-3.0.4$ plz help,THX! ------------------ Jie-Jun Wu Department of Computer Science, Sun Yat-sen University, Guangzhou, P.R. China

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Re: [mpich-discuss] urgent-malloc problem
by Gilles Gouaillardet 18 Feb '14

18 Feb '14

Hello, how do you run your program ? e.g. ./a.out <m> <base> <r> which values for m, base and r ? there is no check on boundaries, and depending on the input parameters, cat[count][ cursor[count]++ ] indexes can be out of bound imho, this is not mpich related at all Best regards, Gilles On 2014/02/13 0:22, Soheil Hooshdaran wrote: > Hello. > I have a memory allocation problem (using malloc). I can't figure out its > cause. Could you help me please? >

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