[mvapich-discuss] (no subject)

Sun Sep 6 12:09:22 EDT 2015

Hi Chaitra,

Thanks for your note. Could you please try setting the runtime
parameter MPICH_CTXID_EAGER_SIZE
to 1 to see if it helps? What will be the total number of windows you need
for your program?

Regards,
Mingzhe

On Sun, Sep 6, 2015 at 7:39 AM, Chaitra Kumar <chaitragkumar at gmail.com>
wrote:

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> Hi Team,
>
> We have two applications with similar requirement of increasing the number
> of RMA windows.  For both applications we are getting same error.
>
> Is there any upper limit on the number of RMA windows which can be created
> by an MPI program?
> Is there any other way to increase the number of RMA windows?
>
> Any help in increasing the number of RMA windows is greatly appreciated.
>
> Regards,
> Chaitra
>
>
>
> On Fri, Sep 4, 2015 at 12:11 PM, Chaitra Kumar <chaitragkumar at gmail.com>
> wrote:
>
> > Hi Team,
> >
> > We have a requirement to create more than 500 RMA windows.  We are using
> > the variable: MV2_MAX_NUM_WIN to increase the number of RMA windows
> > during MPI program launch.  But we are getting error even after setting
> the
> > variable.
> >
> > Is there any upper limit on the number of RMA windows which can be
> created
> > by an MPI program?
> > Is there any other way to increase the number of RMA windows?
> >
> > The error we are getting is:
> >
> > [cli_383]: aborting job:
> >
> > Fatal error in MPI_Win_create:
> >
> > Other MPI error, error stack:
> >
> > MPI_Win_create(189)..................:
> MPI_Win_create(base=0x7f8095c3a010,
> > size=1073741824, disp_unit=1, info=0x9c000000, comm=0xc4001344,
> > win=0x2611a38) failed
> >
> > MPID_Win_create(95)..................:
> >
> > win_init(281)........................:
> >
> > MPIR_Comm_dup_impl(71)...............:
> >
> > MPIR_Comm_copy(1651).................:
> >
> > MPIR_Get_contextid(878)..............:
> >
> > MPIR_Get_contextid_sparse_group(1242):  Cannot allocate context ID
> because
> > of fragmentation (279/2048 free on this process; ignore_id=0)
> >
> >
> >
> > [cli_434]: aborting job:
> >
> > Fatal error in MPI_Win_create:
> >
> > Other MPI error, error stack:
> >
> > MPI_Win_create(189)..................:
> MPI_Win_create(base=0x7fd6c9c87010,
> > size=1073741824, disp_unit=1, info=0x9c000000, comm=0xc400111d,
> > win=0x24caa38) failed
> >
> > MPID_Win_create(95)..................:
> >
> > win_init(281)........................:
> >
> > MPIR_Comm_dup_impl(71)...............:
> >
> > MPIR_Comm_copy(1651).................:
> >
> > MPIR_Get_contextid(878)..............:
> >
> > MPIR_Get_contextid_sparse_group(1242):  Cannot allocate context ID
> because
> > of fragmentation (344/2048 free on this process; ignore_id=0)
> >
> >
> > Thanks for your help.
> >
> >
> >
> > Regards,
> >
> > Chaitra
> >
> >
>
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>
> <div dir=3D"ltr"><div><div><div><div>Hi Team,<br><br></div>We have two
> appl=
> ications with similar requirement of increasing the number of RMA windows.=
> =C2=A0 For both applications we are getting same error.<br><br>Is there
> any=
>  upper limit on the number of RMA windows which can be created by an MPI
> pr=
> ogram?<br>Is there any other way to increase the number of RMA windows?
> <br=
> ><br></div>Any help in increasing the number of RMA windows is greatly
> appr=
>
> eciated.<br><br></div>Regards,<br></div>Chaitra<br><div><div><br><div><br><=
> /div></div></div></div><div class=3D"gmail_extra"><br><div
> class=3D"gmail_q=
> uote">On Fri, Sep 4, 2015 at 12:11 PM, Chaitra Kumar <span
> dir=3D"ltr"><=
> <a href=3D"mailto:chaitragkumar at gmail.com"
> target=3D"_blank">chaitragkumar@=
> gmail.com</a>></span> wrote:<br><blockquote class=3D"gmail_quote"
> style=
> =3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div
> dir=
> =3D"ltr"><div><div><div><div><div>Hi Team,<br><br></div>We have a
> requireme=
> nt to create more than 500 RMA windows.=C2=A0 We are using the variable:
> <s=
> pan
> style=3D"font-size:11pt;font-family:"Calibri",sans-serif;colo=
> r:rgb(31,73,125)">MV2_MAX_NUM_WIN</span> to increase the number of RMA
> wind=
> ows during MPI program launch.=C2=A0 But we are getting error even after
> se=
> tting the variable.<br></div><br></div>Is there any upper limit on the
> numb=
> er of RMA windows which can be created by an MPI program?<br></div>Is
> there=
>  any other way to increase the number of RMA windows? <br><br></div>The
> err=
> or we are getting is:<br><br>
>
> <p class=3D"MsoNormal">[cli_383]: aborting job:</p>
>
> <p class=3D"MsoNormal">Fatal error in MPI_Win_create:</p>
>
> <p class=3D"MsoNormal">Other MPI error, error stack:</p>
>
> <p class=3D"MsoNormal">MPI_Win_create(189)..................:
> MPI_Win_create(base=3D0x7f8095c3a010, size=3D1073741824, disp_unit=3D1,
> info=3D0x9c000000, comm=3D0xc4001344, win=3D0x2611a38) failed</p>
>
> <p class=3D"MsoNormal">MPID_Win_create(95)..................:</p>
>
> <p class=3D"MsoNormal">win_init(281)........................:</p>
>
> <p class=3D"MsoNormal">MPIR_Comm_dup_impl(71)...............:</p>
>
> <p class=3D"MsoNormal">MPIR_Comm_copy(1651).................:</p>
>
> <p class=3D"MsoNormal">MPIR_Get_contextid(878)..............:</p>
>
> <p class=3D"MsoNormal">MPIR_Get_contextid_sparse_group(1242): =C2=A0Cannot
> =
> allocate
> context ID because of fragmentation (279/2048 free on this process;
> ignore_id=3D0)</p>
>
> <p class=3D"MsoNormal">=C2=A0</p>
>
> <p class=3D"MsoNormal">[cli_434]: aborting job:</p>
>
> <p class=3D"MsoNormal">Fatal error in MPI_Win_create:</p>
>
> <p class=3D"MsoNormal">Other MPI error, error stack:</p>
>
> <p class=3D"MsoNormal">MPI_Win_create(189)..................:
> MPI_Win_creat=
> e(base=3D0x7fd6c9c87010,
> size=3D1073741824, disp_unit=3D1, info=3D0x9c000000, comm=3D0xc400111d,
> win=
> =3D0x24caa38)
> failed</p>
>
> <p class=3D"MsoNormal">MPID_Win_create(95)..................:</p>
>
> <p class=3D"MsoNormal">win_init(281)........................:</p>
>
> <p class=3D"MsoNormal">MPIR_Comm_dup_impl(71)...............:</p>
>
> <p class=3D"MsoNormal">MPIR_Comm_copy(1651).................:</p>
>
> <p class=3D"MsoNormal">MPIR_Get_contextid(878)..............:</p>
>
> <p class=3D"MsoNormal">MPIR_Get_contextid_sparse_group(1242): =C2=A0Cannot
> =
> allocate
> context ID because of fragmentation (344/2048 free on this process;
> ignore_id=3D0)</p><p class=3D"MsoNormal"><br></p><p
> class=3D"MsoNormal">Tha=
> nks for your help.</p><p class=3D"MsoNormal"><br></p><p
> class=3D"MsoNormal"=
> ><br></p><p class=3D"MsoNormal">Regards,</p><p
> class=3D"MsoNormal">Chaitra<=
> br></p>
>
> <br></div>
> </blockquote></div><br></div>
>
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