Opened 14 years ago
Closed 14 years ago
#865 closed defect (fixed)
[with patch] [tested by cwitty] several small memory leak in multi_modular
Reported by: | mabshoff | Owned by: | mabshoff |
---|---|---|---|
Priority: | major | Milestone: | sage-2.8.7 |
Component: | memleak | Keywords: | |
Cc: | Merged in: | ||
Authors: | Reviewers: | ||
Report Upstream: | Work issues: | ||
Branch: | Commit: | ||
Dependencies: | Stopgaps: |
Description
Hello, Running
get_memory_usage(); m = ModularSymbols(501,2).decomposition(3); del m; ModularSymbols_clear_cache(); get_memory_usage()
leads to
==11888== 120 bytes in 15 blocks are definitely lost in loss record 364 of 2,467 ==11888== at 0x4A1BB35: malloc (vg_replace_malloc.c:207) ==11888== by 0x6108E17: __gmpz_init_set_ui (in /tmp/Work-mabshoff/sage-2.8.6/local/lib/libgmp.so.3.4.1) ==11888== by 0x11D57FD4: __pyx_tp_new_13multi_modular_MultiModularBasis_base (multi_modular.c:2398) ==11888== by 0x11D538C0: __pyx_tp_new_13multi_modular_MultiModularBasis (multi_modular.c:5940) ==11888== by 0x459172: type_call (typeobject.c:422) ==11888== by 0x415522: PyObject_Call (abstract.c:1860) ==11888== by 0x47C850: PyEval_CallObjectWithKeywords (ceval.c:3433) ==11888== by 0x126DE8DA: __pyx_f_20matrix_integer_dense_20Matrix_integer_dense__multiply_multi_modular (matrix_integer_de nse.c:7711) ==11888== by 0x415522: PyObject_Call (abstract.c:1860) ==11888== by 0x47C850: PyEval_CallObjectWithKeywords (ceval.c:3433) ==11888== by 0x126B66BA: __pyx_f_20matrix_integer_dense_20Matrix_integer_dense__matrix_times_matrix_c_impl (matrix_intege r_dense.c:5669) ==11888== by 0x17AFCD27: __pyx_f_6action_18MatrixMatrixAction__call_c_impl (action.c:1270) ==19224== 24 bytes in 3 blocks are definitely lost in loss record 134 of 2,477 ==19224== at 0x4A1BB35: malloc (vg_replace_malloc.c:207) ==19224== by 0x6107C87: __gmpz_init (in /tmp/Work-mabshoff/sage-2.8.6/local/lib/libgmp.so.3.4.1) ==19224== by 0x11D58001: __pyx_tp_new_13multi_modular_MultiModularBasis_base (multi_modular.c:2425) ==19224== by 0x11D538C0: __pyx_tp_new_13multi_modular_MultiModularBasis (multi_modular.c:5949) ==19224== by 0x459172: type_call (typeobject.c:422) ==19224== by 0x415522: PyObject_Call (abstract.c:1860) ==19224== by 0x47C850: PyEval_CallObjectWithKeywords (ceval.c:3433) ==19224== by 0x126DE8DA: __pyx_f_20matrix_integer_dense_20Matrix_integer_dense__multiply_multi_modular (matrix_integer_de nse.c:7711) ==19224== by 0x415522: PyObject_Call (abstract.c:1860) ==19224== by 0x47C850: PyEval_CallObjectWithKeywords (ceval.c:3433) ==19224== by 0x126B66BA: __pyx_f_20matrix_integer_dense_20Matrix_integer_dense__matrix_times_matrix_c_impl (matrix_intege r_dense.c:5669) ==19224== by 0x9340519: __pyx_f_7element_6Matrix___mul__ (element.c:9950) ==19224== 24 bytes in 3 blocks are definitely lost in loss record 135 of 2,477 ==19224== at 0x4A1BB35: malloc (vg_replace_malloc.c:207) ==19224== by 0x6107C87: __gmpz_init (in /tmp/Work-mabshoff/sage-2.8.6/local/lib/libgmp.so.3.4.1) ==19224== by 0x11D57FF8: __pyx_tp_new_13multi_modular_MultiModularBasis_base (multi_modular.c:2416) ==19224== by 0x11D538C0: __pyx_tp_new_13multi_modular_MultiModularBasis (multi_modular.c:5949) ==19224== by 0x459172: type_call (typeobject.c:422) ==19224== by 0x415522: PyObject_Call (abstract.c:1860) ==19224== by 0x47C850: PyEval_CallObjectWithKeywords (ceval.c:3433) ==19224== by 0x126DE8DA: __pyx_f_20matrix_integer_dense_20Matrix_integer_dense__multiply_multi_modular (matrix_integer_de nse.c:7711) ==19224== by 0x415522: PyObject_Call (abstract.c:1860) ==19224== by 0x47C850: PyEval_CallObjectWithKeywords (ceval.c:3433) ==19224== by 0x126B66BA: __pyx_f_20matrix_integer_dense_20Matrix_integer_dense__matrix_times_matrix_c_impl (matrix_intege r_dense.c:5669) ==19224== by 0x9340519: __pyx_f_7element_6Matrix___mul__ (element.c:9950)
before patch:
==11888== LEAK SUMMARY: ==11888== definitely lost: 549,575 bytes in 60,799 blocks. ==11888== indirectly lost: 129,896 bytes in 133 blocks. ==11888== possibly lost: 377,982 bytes in 943 blocks. ==11888== still reachable: 57,758,573 bytes in 839,594 blocks. ==11888== suppressed: 0 bytes in 0 blocks.
after patch:
==22732== definitely lost: 549,303 bytes in 60,765 blocks. ==22732== indirectly lost: 129,896 bytes in 133 blocks. ==22732== possibly lost: 378,414 bytes in 944 blocks. ==22732== still reachable: 57,759,394 bytes in 839,604 blocks. ==22732== suppressed: 0 bytes in 0 blocks.
Cheers,
Michael
Attachments (2)
Change History (6)
comment:1 Changed 14 years ago by
- Status changed from new to assigned
- Summary changed from several small memory leak in multi_modular to [with patch] several small memory leak in multi_modular
Changed 14 years ago by
Changed 14 years ago by
comment:2 Changed 14 years ago by
comment:3 Changed 14 years ago by
- Summary changed from [with patch] several small memory leak in multi_modular to [with patch] [tested by cwitty] several small memory leak in multi_modular
comment:4 Changed 14 years ago by
- Resolution set to fixed
- Status changed from assigned to closed
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Oops, sorry for patch #2, it is identical to the previous one. I did a reload on a tab I wanted to close.
Cheers,
Michael