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Brian Barrett
8b778903d8 Fix longstanding issue with our multi-project support. Rather than using
pkg{data,lib,includedir}, use our own ompi{data,lib,includedir}, which is
always set to {datadir,libdir,includedir}/openmpi.  This will keep us from
having help files in prefix/share/open-rte when building without Open MPI,
but in prefix/share/openmpi when building with Open MPI.

This commit was SVN r30140.
2014-01-07 22:11:15 +00:00
Nathan Hjelm
b202bb0d63 Fix the recursive halfing algorithms for reduce scatter in both basic
and tuned to correctly handle 0 recvcounts.

Tested with the reproducer from #1550.

Refs trac:1559

This commit was SVN r29542.

The following Trac tickets were found above:
  Ticket 1559 --> https://svn.open-mpi.org/trac/ompi/ticket/1559
2013-10-28 19:06:38 +00:00
George Bosilca
5f686a90d0 Fix several issues regarding MPI_IN_PLACE and different flavors
of MPI_Alltoall.
 - add support for MPI_IN_PLACE in the self collective component.
 - fix the extent usage in the tuned collective component.
 - correctly use the peer counts instead of local - add support for MPI_IN_PLACE in the self collective component.
 - fix the extent usage in the tuned collective component.
 - correctly use the peer counts instead of local.
Thanks to Fujitsu for the patch.

This commit was SVN r29187.
2013-09-17 11:35:18 +00:00
Ralph Castain
c74c54e18d Cleanup uninitialized warnings
This commit was SVN r29033.
2013-08-16 21:23:09 +00:00
Nathan Hjelm
cb90a4a7fc Add simple algorithms to support MPI_IN_PLACE for MPI_Alltoall, MPI_Alltoallv, and MPI_Alltoallw.
Working on faster algorithms for tuned that will come at a later time.

cmr=v1.7.3:ticket=trac:2965

This commit was SVN r28952.

The following Trac tickets were found above:
  Ticket 2965 --> https://svn.open-mpi.org/trac/ompi/ticket/2965
2013-07-25 19:19:41 +00:00
Nathan Hjelm
cf377db823 MCA/base: Add new MCA variable system
Features:
 - Support for an override parameter file (openmpi-mca-param-override.conf).
   Variable values in this file can not be overridden by any file or environment
   value.
 - Support for boolean, unsigned, and unsigned long long variables.
 - Support for true/false values.
 - Support for enumerations on integer variables.
 - Support for MPIT scope, verbosity, and binding.
 - Support for command line source.
 - Support for setting variable source via the environment using
   OMPI_MCA_SOURCE_<var name>=source (either command or file:filename)
 - Cleaner API.
 - Support for variable groups (equivalent to MPIT categories).

Notes:
 - Variables must be created with a backing store (char **, int *, or bool *)
   that must live at least as long as the variable.
 - Creating a variable with the MCA_BASE_VAR_FLAG_SETTABLE enables the use of
   mca_base_var_set_value() to change the value.
 - String values are duplicated when the variable is registered. It is up to
   the caller to free the original value if necessary. The new value will be
   freed by the mca_base_var system and must not be freed by the user.
 - Variables with constant scope may not be settable.
 - Variable groups (and all associated variables) are deregistered when the
   component is closed or the component repository item is freed. This
   prevents a segmentation fault from accessing a variable after its component
   is unloaded.
 - After some discussion we decided we should remove the automatic registration
   of component priority variables. Few component actually made use of this
   feature.
 - The enumerator interface was updated to be general enough to handle
   future uses of the interface.
 - The code to generate ompi_info output has been moved into the MCA variable
   system. See mca_base_var_dump().

opal: update core and components to mca_base_var system
orte: update core and components to mca_base_var system
ompi: update core and components to mca_base_var system

This commit also modifies the rmaps framework. The following variables were
moved from ppr and lama: rmaps_base_pernode, rmaps_base_n_pernode,
rmaps_base_n_persocket. Both lama and ppr create synonyms for these variables.

This commit was SVN r28236.
2013-03-27 21:09:41 +00:00
George Bosilca
9984a7143f Reorder the loop index.
This commit was SVN r27423.
2012-10-08 21:34:26 +00:00
George Bosilca
b46167fc4a Fix some issues with the MPI_IN_PLACE support.
This commit was SVN r27422.
2012-10-08 21:34:04 +00:00
Jeff Squyres
a4e97fb4c0 Ensure we assign "err" properly when invoking MCA_PML_CALLs. Although
technically this is a necessary thing to do, it wasn't a tragedy that
we didn't have it because err was initialize to 0 in the beginning of
the functions where this problem occurred.  Also, OMPI will likely
abort if one of the MCA_PML_CALLs actually incurs an error (or, even
if it doesn't, MPI doesn't define the behavior anyway ;-) ).  

But looking forward to an FT-aware world, fixing this issue is a Good
Thing.  Many thanks to Hristo Iliev for pointing out the issue.

This commit was SVN r27070.
2012-08-16 17:49:48 +00:00
George Bosilca
f09e3ce5a4 Spring cleanup. Nothing important.
This commit was SVN r26247.
2012-04-06 15:48:07 +00:00
George Bosilca
654c75ff24 As suggested on the mailing list a while back, switch the default alltoallv
algorithm to pairwise exchange instead of the default one. This might
improve the scheduling and relax the pressure on the network.

This commit was SVN r26246.
2012-04-06 15:47:29 +00:00
George Bosilca
a78a7bd8e8 The tuned collectives can now deal with more than 2Gb of data.
This commit was SVN r26103.
2012-03-05 22:23:44 +00:00
George Bosilca
762b3e13a9 Use the correct name for the datatype destruction function.
This commit was SVN r26100.
2012-03-05 15:54:53 +00:00
George Bosilca
7d523a8852 Avoid calling the bcast with counts larger than INT_MAX.
This commit was SVN r26098.
2012-03-05 14:30:30 +00:00
George Bosilca
e8c358c188 Allow Open MPI to deal with size_t internally.
This commit was SVN r26097.
2012-03-05 14:10:26 +00:00
George Bosilca
f83670211e Allow the user to define dynamic rules for messages larger than 2GB.
This commit was SVN r26084.
2012-03-02 21:16:23 +00:00
George Bosilca
8791ade293 Help he selection of the right algorithm for large data (> 2Gb). Thanks
to Fujitsu for the patch.

This commit was SVN r26080.
2012-03-02 19:12:22 +00:00
Rainer Keller
4e6a6fc146 - Check, whether the compiler supports __builtin_clz (count leading
zeroes);
   if so, use it for bit-operations like opal_cube_dim and opal_hibit.
   Implement two versions of power-of-two.
   In case of opal_next_poweroftwo, this reduces the average execution
   time from 83 cycles to 4 cycles (Intel Nehalem, icc, -O2, inlining,
   measured rdtsc, with loop over 2^27 values).
   Numbers for other functions are similar (but of course heavily depend
   on the usage, e.g. opal_hibit() with a start of 4 does not save
   much).  The bsr instruction on AMD Opteron is also not as fast.

 - Replace various places where the next power-of-two is computed.
   
   Tested on Intel Nehalem Cluster with openib, compilers GNU-4.6.1 and
   Intel-12.0.4 using mpi_testsuite -t "Collective" with 128 processes.

This commit was SVN r25270.
2011-10-11 22:49:01 +00:00
George Bosilca
2fefd3a928 Don't forget to move the pointer back by the true_lb.
This commit was SVN r25262.
2011-10-11 20:15:49 +00:00
George Bosilca
87f3109df4 Cleanups.
This commit was SVN r24458.
2011-02-25 00:28:32 +00:00
Ralph Castain
40a2bfa238 WARNING: Work on the temp branch being merged here encountered problems with bugs in subversion. Considerable effort has gone into validating the branch. However, not all conditions can be checked, so users are cautioned that it may be advisable to not update from the trunk for a few days to allow MTT to identify platform-specific issues.
This merges the branch containing the revamped build system based around converting autogen from a bash script to a Perl program. Jeff has provided emails explaining the features contained in the change.

Please note that configure requirements on components HAVE CHANGED. For example. a configure.params file is no longer required in each component directory. See Jeff's emails for an explanation.

This commit was SVN r23764.
2010-09-17 23:04:06 +00:00
Jeff Squyres
87e17a41da Ensure that the com_rules[] array entries are initialized to NULL in
case individual entries aren't used, but dynamic rules are enabled
(i.e., at least one or more of them are not NULL, meaning that they'll
all be assumed to be either NULL or a valid value).

This commit was SVN r23361.
2010-07-07 14:04:18 +00:00
George Bosilca
c51932c250 Don't forget to initialize "line" in all cases.
This commit was SVN r23178.
2010-05-19 21:19:45 +00:00
George Bosilca
3bceb20b1c Only get the receive datatype extent on the root process, as every
other process should ignore this value. Thanks to Michael Hofmann
for investigating this issue.

This commit closes trac:2268.

This commit was SVN r22639.

The following Trac tickets were found above:
  Ticket 2268 --> https://svn.open-mpi.org/trac/ompi/ticket/2268
2010-02-17 16:01:50 +00:00
George Bosilca
144143a3ff Remove an unused local variable.
This commit was SVN r22566.
2010-02-05 22:27:24 +00:00
George Bosilca
bc7ceb3587 We enable the dynamic decision if the user force it via an MCA argument or set it in the
decision file. In addition do a fine grain activation, i.e. per collective function.

This commit was SVN r22510.
2010-01-29 09:03:59 +00:00
George Bosilca
f0303a8b25 Indentation.
This commit was SVN r22254.
2009-12-02 22:03:52 +00:00
George Bosilca
3a2f071018 If the user asked for dynamic rules but "forget" to provide them, nicely
complain and switch back to the default behavior (fixed rules).

This commit was SVN r22109.
2009-10-19 17:58:47 +00:00
Rainer Keller
8e1b23779f - Replace combinations of
#if defined (c_plusplus)
          defined (__cplusplus)
   followed by
      extern "C" {
   and the closing counterpart by BEGIN_C_DECLS and END_C_DECLS.

   Notable exceptions are:
    - opal/include/opal_config_bottom.h:
      This is our generated code, that itself defines BEGIN_C_DECL and
      END_C_DECL
    - ompi/mpi/cxx/mpicxx.h:
      Here we do not include opal_config_bottom.h:                                 
    - Belongs to external code:                                                    
      opal/mca/backtrace/darwin/MoreBacktrace/MoreDebugging/MoreBacktrace.c        
      opal/mca/backtrace/darwin/MoreBacktrace/MoreDebugging/MoreBacktrace.h        
    - opal/include/opal/prefetch.h:
      Has C++ specific macros that are protected:                                  

    - Had #if ... } #endif  _and_ END_C_DECLS (aka end up with 2x
      END_C_DECLS)
      ompi/mca/btl/openib/btl_openib.h
    - opal/event/event.h has #ifdef __cplusplus as BEGIN_C_DECLS...
    - opal/win32/ompi_process.h: had extern "C"\n {...
      opal/win32/ompi_process.h: dito
    - ompi/mca/btl/pcie/btl_pcie_lex.l: needed to add *_C_DECLS
      ompi/mpi/f90/test/align_c.c: dito
    - ompi/debuggers/msgq_interface.h: used #ifdef __cplusplus
    - ompi/mpi/f90/xml/common-C.xsl: Amend

   Tested on linux using --with-openib and --with-mx

   The following do not contain either opal_config.h, orte_config.h or
   ompi_config.h
   (but possibly other header files, that include one of the above):
      ompi/mca/bml/r2/bml_r2_ft.h
      ompi/mca/btl/gm/btl_gm_endpoint.h
      ompi/mca/btl/gm/btl_gm_proc.h
      ompi/mca/btl/mx/btl_mx_endpoint.h
      ompi/mca/btl/ofud/btl_ofud_endpoint.h
      ompi/mca/btl/ofud/btl_ofud_frag.h
      ompi/mca/btl/ofud/btl_ofud_proc.h
      ompi/mca/btl/openib/btl_openib_mca.h
      ompi/mca/btl/portals/btl_portals_endpoint.h
      ompi/mca/btl/portals/btl_portals_frag.h
      ompi/mca/btl/sctp/btl_sctp_endpoint.h
      ompi/mca/btl/sctp/btl_sctp_proc.h
      ompi/mca/btl/tcp/btl_tcp_endpoint.h
      ompi/mca/btl/tcp/btl_tcp_ft.h
      ompi/mca/btl/tcp/btl_tcp_proc.h
      ompi/mca/btl/template/btl_template_endpoint.h
      ompi/mca/btl/template/btl_template_proc.h
      ompi/mca/btl/udapl/btl_udapl_eager_rdma.h
      ompi/mca/btl/udapl/btl_udapl_endpoint.h
      ompi/mca/btl/udapl/btl_udapl_mca.h
      ompi/mca/btl/udapl/btl_udapl_proc.h
      ompi/mca/mtl/mx/mtl_mx_endpoint.h
      ompi/mca/mtl/mx/mtl_mx.h
      ompi/mca/mtl/psm/mtl_psm_endpoint.h
      ompi/mca/mtl/psm/mtl_psm.h
      ompi/mca/pml/cm/pml_cm_component.h
      ompi/mca/pml/csum/pml_csum_comm.h
      ompi/mca/pml/dr/pml_dr_comm.h
      ompi/mca/pml/dr/pml_dr_component.h
      ompi/mca/pml/dr/pml_dr_endpoint.h
      ompi/mca/pml/dr/pml_dr_recvfrag.h
      ompi/mca/pml/example/pml_example.h
      ompi/mca/pml/ob1/pml_ob1_comm.h
      ompi/mca/pml/ob1/pml_ob1_component.h
      ompi/mca/pml/ob1/pml_ob1_endpoint.h
      ompi/mca/pml/ob1/pml_ob1_rdmafrag.h
      ompi/mca/pml/ob1/pml_ob1_recvfrag.h
      ompi/mca/pml/v/pml_v_output.h
      opal/include/opal/prefetch.h
      opal/mca/timer/aix/timer_aix.h
      opal/util/qsort.h
      test/support/components.h

This commit was SVN r21855.

The following SVN revision numbers were found above:
  r2 --> open-mpi/ompi@58fdc18855
2009-08-20 11:42:18 +00:00
George Bosilca
23e8ce91ba Rework the selection logic for the tuned collectives. All supported collectives
now are able to use the dynamic rules. Moreover, these rules are loaded only once,
and stored at the component level. All communicators are able to use these rules
(not only MPI_COMM_WORLD as until now).
A lot of minor corrections, memory management issues and reduction in the amount
of memory used by the tuned collectives.

This commit was SVN r21825.
2009-08-14 21:06:23 +00:00
Rainer Keller
6c5532072a - Split the datatype engine into two parts: an MPI specific part in
OMPI
   and a language agnostic part in OPAL. The convertor is completely
   moved into OPAL.  This offers several benefits as described in RFC
   http://www.open-mpi.org/community/lists/devel/2009/07/6387.php
   namely:
    - Fewer basic types (int* and float* types, boolean and wchar
    - Fixing naming scheme to ompi-nomenclature.
    - Usability outside of the ompi-layer.
 - Due to the fixed nature of simple opal types, their information is
   completely
   known at compile time and therefore constified
 - With fewer datatypes (22), the actual sizes of bit-field types may be
   reduced
   from 64 to 32 bits, allowing reorganizing the opal_datatype
   structure, eliminating holes and keeping data required in convertor
   (upon send/recv) in one cacheline...
   This has implications to the convertor-datastructure and other parts
   of the code.
 - Several performance tests have been run, the netpipe latency does not
   change with
   this patch on Linux/x86-64 on the smoky cluster.
 - Extensive tests have been done to verify correctness (no new
   regressions) using:
   1. mpi_test_suite on linux/x86-64 using clean ompi-trunk and
    ompi-ddt:
    a. running both trunk and ompi-ddt resulted in no differences
       (except for MPI_SHORT_INT and MPI_TYPE_MIX_LB_UB do now run
       correctly).
    b. with --enable-memchecker and running under valgrind (one buglet
       when run with static found in test-suite, commited)
   2. ibm testsuite on linux/x86-64 using clean ompi-trunk and ompi-ddt:
      all passed (except for the dynamic/ tests failed!! as trunk/MTT)
   3. compilation and usage of HDF5 tests on Jaguar using PGI and
      PathScale compilers.
   4. compilation and usage on Scicortex.
 - Please note, that for the heterogeneous case, (-m32 compiled
   binaries/ompi), neither
   ompi-trunk, nor ompi-ddt branch would successfully launch.

This commit was SVN r21641.
2009-07-13 04:56:31 +00:00
Greg Koenig
60485ff95f This is a very large change to rename several #define values from
OMPI_* to OPAL_*.  This allows opal layer to be used more independent
from the whole of ompi.

NOTE: 9 "svn mv" operations immediately follow this commit.

This commit was SVN r21180.
2009-05-06 20:11:28 +00:00
Rainer Keller
9736af1191 - Fix Coverity CID 182:
Well, well, just do not "call" ompi_comm_rank twice but rather
   reuse variable...

 - Fix Coverity CID 1262:
   Using uninitialized value "(statuses[err_index]).MPI_ERROR"
   Sure, these statuses are only initialized after ompi_request_wait_all,
   so introduce a short-circuit label to jump to...

This commit was SVN r21153.
2009-05-05 12:28:51 +00:00
Rainer Keller
221fb9dbca ... Delayed due to notifier commits earlier this day ...
- Delete unnecessary header files using
   contrib/check_unnecessary_headers.sh after applying
   patches, that include headers, being "lost" due to
   inclusion in one of the now deleted headers...

   In total 817 files are touched.
   In ompi/mpi/c/ header files are moved up into the actual c-file,
   where necessary (these are the only additional #include),
   otherwise it is only deletions of #include (apart from the above
   additions required due to notifier...)

 - To get different MCAs (OpenIB, TM, ALPS), an earlier version was
   successfully compiled (yesterday) on:
   Linux locally using intel-11, gcc-4.3.2 and gcc-SVN + warnings enabled
   Smoky cluster (x86-64 running Linux) using PGI-8.0.2 + warnings enabled
   Lens cluster (x86-64 running Linux) using Pathscale-3.2 + warnings enabled

This commit was SVN r21096.
2009-04-29 01:32:14 +00:00
George Bosilca
c5b1bdd57c Correctly deal with the error case. The problem is tricky: the MPI standard doesn't allow
MPI_ERR_IN_STATUS to be returned from any functions that return only one completed request
(few exception here: wait_some and wait_all and the test versions). As we use an wait_all
in these send_receive functions we should convert the MPI_ERR_IN_STATUS to the real
error, i.e. the one comming from the MPI_ERROR field in the status corresponding to the
failed request.

This commit was SVN r20907.
2009-03-31 23:44:59 +00:00
Rainer Keller
9dea63d63a - Last of intrusive commits (promised)... err for now.
Anyway, this is blocking the move: do not include pml.h
   if not really needed, aka none of the following used:
     mca_pml
     MCA_PML_CALL
     OMPI_ANY_TAG
     OMPI_ANY_SOURCE
     OMPI_PROC_NULL

 - Notable exceptions (deleting in one header->adding):
   - ompi/mca/mtl/psm/
   - ompi/mca/osc/rdma/
   - ompi/mca/btl/openib/btl_openib_endpoint.c depended on
     pml_base_sendreq.h

 - Tested on Linux/x86-64, this time including make check
   (thanks Jeff and Ralph)

This commit was SVN r20725.
2009-03-04 17:06:51 +00:00
Terry Dontje
0178b6c45f Added padding to predefined handle structures to maintain library version to
version compatibility.

This commit was SVN r20627.
2009-02-24 17:17:33 +00:00
Rainer Keller
d81443cc5a - On the way to get the BTLs split out and lessen dependency on orte:
Often, orte/util/show_help.h is included, although no functionality
   is required -- instead, most often opal_output.h, or               
   orte/mca/rml/rml_types.h                                           
   Please see orte_show_help_replacement.sh commited next.            

 - Local compilation (Linux/x86_64) w/ -Wimplicit-function-declaration
   actually showed two *missing* #include "orte/util/show_help.h"     
   in orte/mca/odls/base/odls_base_default_fns.c and                  
   in orte/tools/orte-top/orte-top.c                                  
   Manually added these.                                              

   Let's have MTT the last word.

This commit was SVN r20557.
2009-02-14 02:26:12 +00:00
George Bosilca
01adc999c5 Correctly forward the right module if we call another collective function. Kudos to
Edgar for figuring out this tricky bug.

This commit was SVN r20267.
2009-01-14 03:22:54 +00:00
Jeff Squyres
11b375f8b5 CIDs 1080-1090: assert() checks were not sufficient to check for
NEGATIVE_RETURNS from _reg_int() because those are not always
checked.  So replace them with real if() checks.

This commit was SVN r20195.
2009-01-03 15:56:25 +00:00
Nysal Jan
ee8ec6f6b5 Remove dead/redundant code. Minimize number of calloc invocations
This commit was SVN r20121.
2008-12-12 10:55:50 +00:00
Rolf vandeVaart
13e8975f83 In the case where we detect a value of 0 in the recvcount
array, fall back to the simpler algorithms.  This is not
the optimal solution, but it works.  

This commit was SVN r19702.
2008-10-07 19:44:51 +00:00
Rolf vandeVaart
0a0ddfc934 Handle MPI_IN_PLACE correctly in the ompi_coll_tuned_reduce_scatter_intra_ring function.
We were not adjusting the sendbuf in this case so we were reducing garbage.

This fixes ticket #1506.

This commit was SVN r19673.
2008-10-02 20:01:27 +00:00
George Bosilca
6a9514ee08 Make the code match the comment. I checked with Jelena, and based on the papers we
published this is the expected algorithm for the specified message and communicator
size.

This commit closes ticket #1330.

This commit was SVN r19563.
2008-09-15 23:28:40 +00:00
Rainer Keller
ee1fe9015a - Make sure, that the *param_index are > 0 (here, we don't pass
errors up...).
   Coverity CID 1080 - 1090
 - Really make sure, the user does not specify stupid negative values.

This commit was SVN r19233.
2008-08-11 11:21:04 +00:00
Rainer Keller
23c2292478 - Fix variable set but not used
Coverity CID1058

This commit was SVN r19184.
2008-08-06 13:57:38 +00:00
Jeff Squyres
0af7ac53f2 Fixes trac:1392, #1400
* add "register" function to mca_base_component_t
   * converted coll:basic and paffinity:linux and paffinity:solaris to
     use this function
   * we'll convert the rest over time (I'll file a ticket once all
     this is committed)
 * add 32 bytes of "reserved" space to the end of mca_base_component_t
   and mca_base_component_data_2_0_0_t to make future upgrades
   [slightly] easier
   * new mca_base_component_t size: 196 bytes
   * new mca_base_component_data_2_0_0_t size: 36 bytes
 * MCA base version bumped to v2.0
   * '''We now refuse to load components that are not MCA v2.0.x'''
 * all MCA frameworks versions bumped to v2.0
 * be a little more explicit about version numbers in the MCA base
   * add big comment in mca.h about versioning philosophy

This commit was SVN r19073.

The following Trac tickets were found above:
  Ticket 1392 --> https://svn.open-mpi.org/trac/ompi/ticket/1392
2008-07-28 22:40:57 +00:00
Ralph Castain
9613b3176c Effectively revert the orte_output system and return to direct use of opal_output at all levels. Retain the orte_show_help subsystem to allow aggregation of show_help messages at the HNP.
After much work by Jeff and myself, and quite a lot of discussion, it has become clear that we simply cannot resolve the infinite loops caused by RML-involved subsystems calling orte_output. The original rationale for the change to orte_output has also been reduced by shifting the output of XML-formatted vs human readable messages to an alternative approach.

I have globally replaced the orte_output/ORTE_OUTPUT calls in the code base, as well as the corresponding .h file name. I have test compiled and run this on the various environments within my reach, so hopefully this will prove minimally disruptive.

This commit was SVN r18619.
2008-06-09 14:53:58 +00:00
Ralph Castain
c992e99035 Remove the tags from orte_output_open and the filtering operation from orte_output - this will be handled differently to improve the XML output interface
This commit was SVN r18557.
2008-06-03 14:24:01 +00:00
Rolf vandeVaart
5baa733ad5 Fix another warning (using a variable before it was initialized.)
Thanks Jeff for pointing this out.

This commit was SVN r18489.
2008-05-23 13:57:55 +00:00