[mpich-discuss] clean up after MPI_Cart_create
Rajeev Thakur
thakur at mcs.anl.gov
Thu Mar 18 09:13:20 CDT 2010
Did you do a Comm_free?
Rajeev
> -----Original Message-----
> From: mpich-discuss-bounces at mcs.anl.gov
> [mailto:mpich-discuss-bounces at mcs.anl.gov] On Behalf Of burlen
> Sent: Thursday, March 18, 2010 5:50 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: [mpich-discuss] clean up after MPI_Cart_create
>
> 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)
>
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