Compute the differences between two snapshots to detect memory leaks 简单来说，pytracemalloc hook住了python申请和释放内存的接口，从而能够追踪对象的分配和回收情况。对内存分配的统计数据可以精确到每个文件、每一行代码，也可以按照调用栈做聚合分析。而且还支持快照（snapshot）功能，比较两个快照之间的差异可以发...
Detect intensive CPU usage or high memory consumption, letting you optimize resource usage Spot inefficient algorithms, allowing you to replace inefficient code with optimized solutions. Detect high latency, letting you speed up operations like database queries, API calls, or computations. Find scalabili...
Traceback where an object was allocated Statistics on allocated memory blocks per filename and per line number: total size, number and average size of allocated memory blocks Compute the differences between two snapshots to detect memory leaks 简单来说,pytracemalloc hook住了python申请和释放内存的接口...
Threads can interact in ways that are subtle and hard to detect. These interactions can cause race conditions that frequently result in random, intermittent bugs that can be quite difficult to find. If you’re unfamiliar with this concept, then you might want to check out a section on race ...
memory_profiler: This tool offers a line-by-line memory usage analysis, allowing developers to pinpoint exact lines where memory consumption is high. tracemalloc: Integrated into the Python standard library, tracemalloc helps track memory allocations and detect leaks, offering insights into memory alloc...
If a different capsule was passed in, PyCapsule_IsValid() would detect the mismatched name and return false. Refer to 给扩展模块提供C API for more information on using these objects. Python 2.7 now uses capsules internally to provide various extension-module APIs, but the PyCObject_AsVoidPtr()...
Timeout in seconds to detect when a test hangs. It is long enough to reduce the risk of test failure on the slowest Python buildbots. It should not be used to mark a test as failed if the test takes "too long". The timeout value depends on the regrtest --timeout command line op...
Detect the most resource-consuming methods or classes in your Python applications in seconds with a lightweight, next-generation profiler that’s easy-to-use and always-on Determine the root cause of code issues with a breakdown of time spent by method on CPU, garbage collection, lock contentio...
Compute the differences between two snapshots to detect memory leaks To trace most memory blocks allocated by Python, the module should be started as early as possible by setting the:envvar:`PYTHONTRACEMALLOC`environment variable to1, or by using:option:`-X`tracemalloccommand line option. The:func...
{LIBASAN_RT} $@ } # you can look at build-asan.sh to find the latest options the CI uses export ASAN_OPTIONS=detect_leaks=0:symbolize=1:strict_init_order=true export UBSAN_OPTIONS=print_stacktrace=1:suppressions=$PYTORCH_ROOT/ubsan.supp export ASAN_SYMBOLIZER_PATH=$L...