Adam Reichold c5f9001985 Remove deferred reference count increments and make the global reference pool optional (#4095) ... * Add feature controlling the global reference pool to enable avoiding its overhead. * Document reference-pool feature in the performance guide. * Invert semantics of feature to disable reference pool so the new behaviour becomes opt-in * Remove delayed reference count increments as we cannot prevent reference count errors as long as these are available * Adjust tests to be compatible with disable-reference-pool feature * Adjust tests to be compatible with py-clone feature * Adjust the GIL benchmark to the updated reference pool semantics. * Further extend and clarify the documentation of the py-clone and disable-reference-pool features * Replace disable-reference-pool feature by pyo3_disable_reference_pool conditional compilation flag Such a flag is harder to use and thereby also harder to abuse. This seems appropriate as this is purely a performance-oriented change which show only be enabled by leaf crates and brings with it additional highly implicit sources of process aborts. * Add pyo3_leak_on_drop_without_reference_pool to turn aborts into leaks when the global reference pool is disabled and the GIL is not held		2024-05-11 14:48:45 +00:00
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benches	Remove deferred reference count increments and make the global reference pool optional (#4095)	2024-05-11 14:48:45 +00:00
Cargo.toml	add codspeed benchmarks	2023-10-19 21:36:05 +01:00