[mpich-discuss] clean up after MPI_Cart_create

[burlen]

Is there a way to clean up after MPI_Cart_create ? Other wise it leaks 
some resources and pollutes valgrind output.

Thanks
Burlen


==22729== Memcheck, a memory error 
detector                                                                     

==22729== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et 
al.                                      
==22729== Using Valgrind-3.5.0-Debian and LibVEX; rerun with -h for 
copyright info                             
==22729== Command: 
./TestSubArrayWriter                                                                         

==22729==                                                                                                       

leaked context IDs detected: mask=0x54b31a0 
mask[0]=0x7fffffff                                                 
In direct memory block for handle type ATTR, 1 handles are still 
allocated                                     
In direct memory block for handle type KEYVAL, 1 handles are still 
allocated                                   
In direct memory block for handle type COMM, 1 handles are still 
allocated                                     
[0] 8 at [0x0000000006416bf8], 
cart_create.c[154]                                                               

[0] 8 at [0x0000000006416b08], 
cart_create.c[152]                                                               

[0] 8 at [0x0000000006416a18], 
cart_create.c[150]                                                               

[0] 56 at [0x00000000064168f8], 
cart_create.c[144]                                                              

[0] 8 at [0x0000000006416538], 
local_proc.c[91]                                                                 

[0] 8 at [0x0000000006416448], 
local_proc.c[90]                                                                 

[0] 24 at [0x0000000006416168], 
mpid_vc.c[79]                                                                   

 ==22729==
==22729== HEAP SUMMARY:
==22729==     in use at exit: 1,240 bytes in 7 blocks
==22729==   total heap usage: 164 allocs, 149 frees, 8,509,866 bytes 
allocated
==22729==
==22729== 168 bytes in 1 blocks are definitely lost in loss record 4 of 7
==22729==    at 0x4C25153: malloc (vg_replace_malloc.c:195)
==22729==    by 0x521C386: MPIU_trmalloc (trmem.c:230)
==22729==    by 0x517DD14: MPIU_Find_local_and_external (local_proc.c:90)
==22729==    by 0x511FAE1: MPIR_Comm_commit (commutil.c:228)
==22729==    by 0x511E31B: PMPI_Comm_split (comm_split.c:384)
==22729==    by 0x50C06BA: MPIR_Cart_create (cart_create.c:119)
==22729==    by 0x50C1A8F: PMPI_Cart_create (cart_create.c:298)
==22729==    by 0x50C1E7C: MPI_CART_CREATE (cart_createf.c:199)
==22729==    by 0x402EC4: __cartesiandecompmodule_MOD_createcommunicator 
(CartesianDecompModule.f90:194)
==22729==    by 0x40325A: 
__cartesiandecompmodule_MOD_initializecartesiandecomp_u 
(CartesianDecompModule.f90:66)
==22729==    by 0x40190D: MAIN__ (TestSubArrayWriter.f90:76)
==22729==    by 0x403369: main (in 
/home/burlen/ext/MPI-IO/TestSubArrayWriter)
==22729==
==22729== 168 bytes in 1 blocks are definitely lost in loss record 5 of 7
==22729==    at 0x4C25153: malloc (vg_replace_malloc.c:195)
==22729==    by 0x521C386: MPIU_trmalloc (trmem.c:230)
==22729==    by 0x517DD47: MPIU_Find_local_and_external (local_proc.c:91)
==22729==    by 0x511FAE1: MPIR_Comm_commit (commutil.c:228)
==22729==    by 0x511E31B: PMPI_Comm_split (comm_split.c:384)
==22729==    by 0x50C06BA: MPIR_Cart_create (cart_create.c:119)
==22729==    by 0x50C1A8F: PMPI_Cart_create (cart_create.c:298)
==22729==    by 0x50C1E7C: MPI_CART_CREATE (cart_createf.c:199)
==22729==    by 0x402EC4: __cartesiandecompmodule_MOD_createcommunicator 
(CartesianDecompModule.f90:194)
==22729==    by 0x40325A: 
__cartesiandecompmodule_MOD_initializecartesiandecomp_u 
(CartesianDecompModule.f90:66)
==22729==    by 0x40190D: MAIN__ (TestSubArrayWriter.f90:76)
==22729==    by 0x403369: main (in 
/home/burlen/ext/MPI-IO/TestSubArrayWriter)
==22729==
==22729== 184 bytes in 1 blocks are definitely lost in loss record 6 of 7
==22729==    at 0x4C25153: malloc (vg_replace_malloc.c:195)
==22729==    by 0x521C386: MPIU_trmalloc (trmem.c:230)
==22729==    by 0x51A9D59: MPID_VCRT_Create (mpid_vc.c:79)
==22729==    by 0x511E135: PMPI_Comm_split (comm_split.c:365)
==22729==    by 0x50C06BA: MPIR_Cart_create (cart_create.c:119)
==22729==    by 0x50C1A8F: PMPI_Cart_create (cart_create.c:298)
==22729==    by 0x50C1E7C: MPI_CART_CREATE (cart_createf.c:199)
==22729==    by 0x402EC4: __cartesiandecompmodule_MOD_createcommunicator 
(CartesianDecompModule.f90:194)
==22729==    by 0x40325A: 
__cartesiandecompmodule_MOD_initializecartesiandecomp_u 
(CartesianDecompModule.f90:66)
==22729==    by 0x40190D: MAIN__ (TestSubArrayWriter.f90:76)
==22729==    by 0x403369: main (in 
/home/burlen/ext/MPI-IO/TestSubArrayWriter)
==22729==
==22729== 552 (216 direct, 336 indirect) bytes in 1 blocks are 
definitely lost in loss record 7 of 7
==22729==    at 0x4C25153: malloc (vg_replace_malloc.c:195)
==22729==    by 0x521C386: MPIU_trmalloc (trmem.c:230)
==22729==    by 0x50C07A0: MPIR_Cart_create (cart_create.c:143)
==22729==    by 0x50C1A8F: PMPI_Cart_create (cart_create.c:298)
==22729==    by 0x50C1E7C: MPI_CART_CREATE (cart_createf.c:199)
==22729==    by 0x402EC4: __cartesiandecompmodule_MOD_createcommunicator 
(CartesianDecompModule.f90:194)
==22729==    by 0x40325A: 
__cartesiandecompmodule_MOD_initializecartesiandecomp_u 
(CartesianDecompModule.f90:66)
==22729==    by 0x40190D: MAIN__ (TestSubArrayWriter.f90:76)
==22729==    by 0x403369: main (in 
/home/burlen/ext/MPI-IO/TestSubArrayWriter)
==22729==
==22729== LEAK SUMMARY:
==22729==    definitely lost: 736 bytes in 4 blocks
==22729==    indirectly lost: 336 bytes in 2 blocks
==22729==      possibly lost: 0 bytes in 0 blocks
==22729==    still reachable: 168 bytes in 1 blocks
==22729==         suppressed: 0 bytes in 0 blocks
==22729== Reachable blocks (those to which a pointer was found) are not 
shown.
==22729== To see them, rerun with: --leak-check=full --show-reachable=yes
==22729==
==22729== For counts of detected and suppressed errors, rerun with: -v
==22729== ERROR SUMMARY: 4 errors from 4 contexts (suppressed: 4 from 4)