diff options
Diffstat (limited to 'Misc/NEWS.d/next/Core and Builtins/2019-04-12-12-32-39.bpo-36611.zbo9WQ.rst')
| -rw-r--r-- | Misc/NEWS.d/next/Core and Builtins/2019-04-12-12-32-39.bpo-36611.zbo9WQ.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Misc/NEWS.d/next/Core and Builtins/2019-04-12-12-32-39.bpo-36611.zbo9WQ.rst b/Misc/NEWS.d/next/Core and Builtins/2019-04-12-12-32-39.bpo-36611.zbo9WQ.rst new file mode 100644 index 0000000000..f55a9efc5d --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2019-04-12-12-32-39.bpo-36611.zbo9WQ.rst @@ -0,0 +1,5 @@ +Debug memory allocators: disable serialno field by default from debug hooks on +Python memory allocators to reduce the memory footprint by 5%. Enable +:mod:`tracemalloc` to get the traceback where a memory block has been allocated +when a fatal memory error is logged to decide where to put a breakpoint. +Compile Python with ``PYMEM_DEBUG_SERIALNO`` defined to get back the field. |