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Subject: Re: [OMPI devel] Open MPI (not quite) on Cray XC30
From: George Bosilca (bosilca_at_[hidden])
Date: 2013-01-18 06:52:14


Luckily for us all the definitions contain the same constant (orte). r27864 should fix this.

  George.

On Jan 18, 2013, at 06:21 , Paul Hargrove <PHHargrove_at_[hidden]> wrote:

> My employer has a nice new Cray XC30 (aka Cascade), and I thought I'd give Open MPI a quick test.
>
> Given that it is INTENDED to be API-compatible with the XE series, I began configuring with
> CC=cc CXX=CC FC=ftn --with-platform=lanl/cray_xe6/optimized-nopanasas
> However, since this is Intel h/w, I commented-out the following 2 lines in the platform file:
> with_wrapper_cflags="-march=amdfam10"
> CFLAGS=-march=amdfam10
>
> I am using PrgEnv-gnu/5.0.15, though PrgEnv-intel is the default on our system
>
> As far as I know, use of 1.6.x is out - no ugni at all, right?
> So, I didn't even try.
>
> I gave openmpi-1.7rc6 a try, but the ALPS headers and libs have moved (as mentioned in ompi-trunk/config/orte_check_alps.m4).
> Perhaps one should CMR the updated-for-CLE-5 configure logic to the 1.7 branch?
>
> Next, I tried a trunk nightly tarball: openmpi-1.9a1r27862.tar.bz2
> As I mentioned above, the trunk has the right logic for locating ALPS.
> However, it looks like there is some untested code, protected by "#if WANT_CRAY_PMI2_EXT", that needs work:
>
> make[2]: Entering directory `/global/scratch/sd/hargrove/OMPI/openmpi-1.9a1r27862/BUILD/orte/mca/db/pmi'
> CC db_pmi_component.lo
> CC db_pmi.lo
> ../../../../../orte/mca/db/pmi/db_pmi.c: In function 'store':
> ../../../../../orte/mca/db/pmi/db_pmi.c:202: error: 'ptr' undeclared (first use in this function)
> ../../../../../orte/mca/db/pmi/db_pmi.c:202: error: (Each undeclared identifier is reported only once
> ../../../../../orte/mca/db/pmi/db_pmi.c:202: error: for each function it appears in.)
> make[2]: *** [db_pmi.lo] Error 1
> make[2]: Leaving directory `/global/scratch/sd/hargrove/OMPI/openmpi-1.9a1r27862/BUILD/orte/mca/db/pmi'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/global/scratch/sd/hargrove/OMPI/openmpi-1.9a1r27862/BUILD/orte'
> make: *** [all-recursive] Error 1
>
> I added the missing "char *ptr" declaration a few lines before it's first use, and resumed the build.
> This time the build terminated at
>
> make[2]: Entering directory `/global/scratch/sd/hargrove/OMPI/openmpi-1.9a1r27862/BUILD/opal/tools/wrappers'
> CC opal_wrapper.o
> CCLD opal_wrapper
> /usr/bin/ld: attempted static link of dynamic object `../../../opal/.libs/libopen-pal.so'
> collect2: error: ld returned 1 exit status
>
> So I went back to the platform file and changed
> enable_shared=yes
> to
> enable_shared=no
> No big deal there - I had to make the same change for our XE6.
>
> And so I started back at configure (after a "make distclean", to be safe), and here is the next error:
>
> Making all in tools/orte-info
> make[2]: Entering directory `/global/scratch/sd/hargrove/OMPI/openmpi-1.9a1r27862/BUILD/orte/tools/orte-info'
> CCLD orte-info
> ../../../orte/.libs/libopen-rte.a(orte_info_support.o): In function `orte_info_show_orte_version':
> orte_info_support.c:(.text+0xd70): multiple definition of `orte_info_show_orte_version'
> version.o:version.c:(.text+0x4b0): first defined here
> ../../../orte/.libs/libopen-rte.a(orte_info_support.o):(.data+0x0): multiple definition of `orte_info_type_orte'
> orte-info.o:(.data+0x10): first defined here
> /usr/bin/ld: link errors found, deleting executable `orte-info'
> collect2: error: ld returned 1 exit status
> make[2]: *** [orte-info] Error 1
>
> I am not sure how to fix this, but I would guess this is probably a simple fix for somebody who knows OMPI's build infrastructure better than I.
>
> -Paul
>
> --
> Paul H. Hargrove PHHargrove_at_[hidden]
> Future Technologies Group
> Computer and Data Sciences Department Tel: +1-510-495-2352
> Lawrence Berkeley National Laboratory Fax: +1-510-486-6900
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