We are aware of the problem and many of these leaks are already fixed in the trunk and 1.8.2 nightlies.
-Nathan Hjelm HPC-5, LANL On Fri, May 30, 2014 at 12:19:15PM -0700, W Spector wrote: > Hi, > > I have been doing a lot of testing/fixing lately on our code, using valgrind > to find problems. Unfortunately, OpenMPI causes a lot of 'false positives' > in our testing due to memory leaks of its own. > > It appears that MPI_Init allocates a lot of memory blocks that MPI_Finalize > never bothers to clean up. (Perhaps some should be cleaned up during the > MPI_Init process itself?) There are also a couple of blocks that are > created during MPI_Finalize that are not freed. > > Appended is a trivial 'hello world' program which demonstrates this using > valgrind. Rerunning with the valgrind --leak-check=full option shows a > plethora of objects which are not deallocated. > > In these runs, OpenMPI is at version 1.8.1, but older versions also have the > problem. > > Walter > > wws@w6ws-4:/tmp$ cat hellompi.f90 > program hellompi > use mpi > implicit none > > integer :: mpierr > > call MPI_INIT (ierror=mpierr) > print *, 'hello world!' > call MPI_FINALIZE (ierror=mpierr) > > end program > wws@w6ws-4:/tmp$ mpif90 --version hellompi.f90 > GNU Fortran (Ubuntu 4.8.2-19ubuntu1) 4.8.2 > Copyright (C) 2013 Free Software Foundation, Inc. > > GNU Fortran comes with NO WARRANTY, to the extent permitted by law. > You may redistribute copies of GNU Fortran > under the terms of the GNU General Public License. > For more information about these matters, see the file named COPYING > > wws@w6ws-4:/tmp$ mpif90 hellompi.f90 > wws@w6ws-4:/tmp$ valgrind a.out > ==6897== Memcheck, a memory error detector > ==6897== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. > ==6897== Using Valgrind-3.10.0.SVN and LibVEX; rerun with -h for copyright > info > ==6897== Command: a.out > ==6897== > hello world! > ==6897== > ==6897== HEAP SUMMARY: > ==6897== in use at exit: 23,899 bytes in 110 blocks > ==6897== total heap usage: 15,436 allocs, 15,326 frees, 14,034,006 bytes > allocated > ==6897== > ==6897== LEAK SUMMARY: > ==6897== definitely lost: 13,159 bytes in 26 blocks > ==6897== indirectly lost: 2,800 bytes in 13 blocks > ==6897== possibly lost: 0 bytes in 0 blocks > ==6897== still reachable: 7,940 bytes in 71 blocks > ==6897== suppressed: 0 bytes in 0 blocks > ==6897== Rerun with --leak-check=full to see details of leaked memory > ==6897== > ==6897== For counts of detected and suppressed errors, rerun with: -v > ==6897== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) > wws@w6ws-4:/tmp$ > wws@w6ws-4:/tmp$ > wws@w6ws-4:/tmp$ > wws@w6ws-4:/tmp$ > wws@w6ws-4:/tmp$ valgrind --leak-check=full a.out > ==6932== Memcheck, a memory error detector > ==6932== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. > ==6932== Using Valgrind-3.10.0.SVN and LibVEX; rerun with -h for copyright > info > ==6932== Command: a.out > ==6932== > hello world! > ==6932== > ==6932== HEAP SUMMARY: > ==6932== in use at exit: 23,899 bytes in 110 blocks > ==6932== total heap usage: 15,438 allocs, 15,328 frees, 14,034,092 bytes > allocated > ==6932== > ==6932== 1 bytes in 1 blocks are definitely lost in loss record 2 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x917CAD0: ??? > ==6932== by 0x5AAD346: opal_db_base_store (db_base_fns.c:49) > ==6932== by 0x57B12A2: ompi_modex_send_string > (ompi_module_exchange.c:119) > ==6932== by 0x57AD42A: ompi_mpi_init (ompi_mpi_init.c:511) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 6 bytes in 1 blocks are definitely lost in loss record 3 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x66BA951: orte_register_params (orte_mca_params.c:719) > ==6932== by 0x66B1042: orte_init (orte_init.c:107) > ==6932== by 0x57AD39C: ompi_mpi_init (ompi_mpi_init.c:464) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 8 bytes in 1 blocks are definitely lost in loss record 4 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0xAFB7C33: ??? > ==6932== by 0x57AE12F: ompi_mpi_finalize (ompi_mpi_finalize.c:143) > ==6932== by 0x4E74878: mpi_finalize (pfinalize_f.c:69) > ==6932== by 0x400B9F: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 17 (16 direct, 1 indirect) bytes in 1 blocks are definitely lost in > loss record 8 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x917D30D: ??? > ==6932== by 0x5AAD58A: opal_db_base_fetch (db_base_fns.c:133) > ==6932== by 0x57FEDF0: ompi_rte_db_fetch (rte_orte_module.c:281) > ==6932== by 0x57B12DF: ompi_modex_recv_string > (ompi_module_exchange.c:138) > ==6932== by 0x579CE2A: ompi_comm_cid_init (comm_cid.c:164) > ==6932== by 0x57ADF0C: ompi_mpi_init (ompi_mpi_init.c:880) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 24 bytes in 1 blocks are definitely lost in loss record 12 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x917CAD0: ??? > ==6932== by 0x5AAD346: opal_db_base_store (db_base_fns.c:49) > ==6932== by 0x57B1179: ompi_modex_send (ompi_module_exchange.c:49) > ==6932== by 0xB5CCE77: ??? > ==6932== by 0x57EAC42: mca_btl_base_select (btl_base_select.c:108) > ==6932== by 0xAFB8790: ??? > ==6932== by 0x57EA42D: mca_bml_base_init (bml_base_init.c:69) > ==6932== by 0xC2902E6: ??? > ==6932== by 0x57FCFA2: mca_pml_base_select (pml_base_select.c:128) > ==6932== by 0x57AD6B9: ompi_mpi_init (ompi_mpi_init.c:604) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== > ==6932== 48 bytes in 1 blocks are definitely lost in loss record 31 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x66E3C83: orte_oob_base_select (opal_object.h:467) > ==6932== by 0x66D4E64: orte_ess_base_app_setup (ess_base_std_app.c:128) > ==6932== by 0x833C36E: ??? > ==6932== by 0x66B1107: orte_init (orte_init.c:148) > ==6932== by 0x57AD39C: ompi_mpi_init (ompi_mpi_init.c:464) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 53 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796C36: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 54 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796C76: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 55 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796CB5: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 56 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796CF4: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 57 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796D33: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 58 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796D76: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 64 bytes in 1 blocks are definitely lost in loss record 59 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5794DFE: ompi_attr_create_keyval_impl (opal_object.h:467) > ==6932== by 0x579527B: ompi_attr_create_keyval (attribute.c:582) > ==6932== by 0x5796DB5: ompi_attr_create_predefined > (attribute_predefined.c:225) > ==6932== by 0x57ADA14: ompi_mpi_init (ompi_mpi_init.c:739) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 96 (48 direct, 48 indirect) bytes in 1 blocks are definitely lost > in loss record 61 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5A8E541: open_component (opal_object.h:467) > ==6932== by 0x5A8F8F9: mca_base_component_find > (mca_base_component_find.c:466) > ==6932== by 0x5A9A428: mca_base_framework_components_register > (mca_base_components_register.c:57) > ==6932== by 0x5A9A8FD: mca_base_framework_register > (mca_base_framework.c:107) > ==6932== by 0x5A9A968: mca_base_framework_open (mca_base_framework.c:131) > ==6932== by 0x57AD686: ompi_mpi_init (ompi_mpi_init.c:577) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 96 bytes in 2 blocks are definitely lost in loss record 62 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5A8E541: open_component (opal_object.h:467) > ==6932== by 0x5A8F8F9: mca_base_component_find > (mca_base_component_find.c:466) > ==6932== by 0x5A9A428: mca_base_framework_components_register > (mca_base_components_register.c:57) > ==6932== by 0x5A9A8FD: mca_base_framework_register > (mca_base_framework.c:107) > ==6932== by 0x5A9A968: mca_base_framework_open (mca_base_framework.c:131) > ==6932== by 0x5A9A9B5: mca_base_framework_open (mca_base_framework.c:150) > ==6932== by 0x57AD629: ompi_mpi_init (ompi_mpi_init.c:564) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 160 bytes in 1 blocks are definitely lost in loss record 68 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x999C136: ??? > ==6932== by 0x57AD75A: ompi_mpi_init (ompi_mpi_init.c:627) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 160 bytes in 1 blocks are definitely lost in loss record 69 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x999BFB6: ??? > ==6932== by 0x57ADB7E: ompi_mpi_init (ompi_mpi_init.c:816) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 160 bytes in 1 blocks are definitely lost in loss record 70 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x999BFB6: ??? > ==6932== by 0x57AE1CB: ompi_mpi_finalize (ompi_mpi_finalize.c:222) > ==6932== by 0x4E74878: mpi_finalize (pfinalize_f.c:69) > ==6932== by 0x400B9F: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 184 (96 direct, 88 indirect) bytes in 1 blocks are definitely lost > in loss record 71 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5ABF110: opal_hwloc_base_filter_cpus (opal_object.h:467) > ==6932== by 0x5AC0D6A: opal_hwloc_base_get_topology > (hwloc_base_util.c:226) > ==6932== by 0x57AD7B4: ompi_mpi_init (ompi_mpi_init.c:485) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 199 (80 direct, 119 indirect) bytes in 1 blocks are definitely lost > in loss record 72 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x5A98EFD: mca_base_var_enum_create (opal_object.h:467) > ==6932== by 0xCD0B59B: ??? > ==6932== by 0x5A9A531: mca_base_framework_components_register > (mca_base_components_register.c:116) > ==6932== by 0x5A9A8FD: mca_base_framework_register > (mca_base_framework.c:107) > ==6932== by 0x5A9A968: mca_base_framework_open (mca_base_framework.c:131) > ==6932== by 0x57AD667: ompi_mpi_init (ompi_mpi_init.c:572) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 376 (232 direct, 144 indirect) bytes in 1 blocks are definitely > lost in loss record 76 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0xAFB77F4: ??? > ==6932== by 0xC28E7D8: ??? > ==6932== by 0x57ADA88: ompi_mpi_init (ompi_mpi_init.c:771) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 888 bytes in 1 blocks are definitely lost in loss record 84 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0x57928B4: ompi_free_list_grow (ompi_free_list.c:203) > ==6932== by 0xC28E415: ??? > ==6932== by 0x57FD909: mca_pml_v_enable (pml_v_component.c:217) > ==6932== by 0x57ADA5C: ompi_mpi_init (ompi_mpi_init.c:760) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 2,400 bytes in 1 blocks are definitely lost in loss record 87 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0xA5A2FE6: ??? > ==6932== by 0xA5A2EC8: ??? > ==6932== by 0xC290610: ??? > ==6932== by 0x5A9070C: mca_base_framework_components_open > (mca_base_components_open.c:173) > ==6932== by 0x57FC9F6: mca_pml_base_open (pml_base_frame.c:187) > ==6932== by 0x5A9A9B5: mca_base_framework_open (mca_base_framework.c:150) > ==6932== by 0x57AD648: ompi_mpi_init (ompi_mpi_init.c:568) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 2,480 (80 direct, 2,400 indirect) bytes in 1 blocks are definitely > lost in loss record 88 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0xA5A2EAC: ??? > ==6932== by 0xBE632D0: ??? > ==6932== by 0x5A9070C: mca_base_framework_components_open > (mca_base_components_open.c:173) > ==6932== by 0x57FC9F6: mca_pml_base_open (pml_base_frame.c:187) > ==6932== by 0x5A9A9B5: mca_base_framework_open (mca_base_framework.c:150) > ==6932== by 0x57AD648: ompi_mpi_init (ompi_mpi_init.c:568) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== 8,208 bytes in 1 blocks are definitely lost in loss record 89 of 89 > ==6932== at 0x4C2AB80: malloc (in > /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) > ==6932== by 0xCCEDD99: ??? > ==6932== by 0x5A6A708: opal_free_list_grow (opal_object.h:424) > ==6932== by 0xCCE9649: ??? > ==6932== by 0x57F90B4: ompi_osc_base_find_available (osc_base_frame.c:48) > ==6932== by 0x57AD929: ompi_mpi_init (ompi_mpi_init.c:661) > ==6932== by 0x57CE572: PMPI_Init (pinit.c:84) > ==6932== by 0x4E777C4: MPI_INIT (pinit_f.c:82) > ==6932== by 0x400B33: MAIN__ (in /tmp/a.out) > ==6932== by 0x400BD5: main (in /tmp/a.out) > ==6932== > ==6932== LEAK SUMMARY: > ==6932== definitely lost: 13,159 bytes in 26 blocks > ==6932== indirectly lost: 2,800 bytes in 13 blocks > ==6932== possibly lost: 0 bytes in 0 blocks > ==6932== still reachable: 7,940 bytes in 71 blocks > ==6932== suppressed: 0 bytes in 0 blocks > ==6932== Reachable blocks (those to which a pointer was found) are not > shown. > ==6932== To see them, rerun with: --leak-check=full --show-leak-kinds=all > ==6932== > ==6932== For counts of detected and suppressed errors, rerun with: -v > ==6932== ERROR SUMMARY: 25 errors from 25 contexts (suppressed: 0 from 0) > wws@w6ws-4:/tmp$ > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
pgpYBOPbsbgg8.pgp
Description: PGP signature
