expirements

Author: efimov-mikhail

Include/internal/pycore_gc.h

@@ -240,6 +240,7 @@ static inline void _PyObject_GC_TRACK(
 
     PyInterpreterState *interp = _PyInterpreterState_GET();
     PyGC_Head *generation0 = &interp->gc.young.head;
+    interp->gc.young.count++;
     PyGC_Head *last = (PyGC_Head*)(generation0->_gc_prev);
     _PyGCHead_SET_NEXT(last, gc);
     _PyGCHead_SET_PREV(gc, last);
@@ -281,6 +282,11 @@ static inline void _PyObject_GC_UNTRACK(
     gc->_gc_next = 0;
     gc->_gc_prev &= _PyGC_PREV_MASK_FINALIZED;
 #endif
+
+    PyInterpreterState *interp = _PyInterpreterState_GET();
+    if (interp->gc.young.count > 0) {
+        interp->gc.young.count--;
+    }
 }
 
 

Python/gc.c

@@ -2108,7 +2108,7 @@ _PyGC_Collect(PyThreadState *tstate, int generation, _PyGC_Reason reason)
     if (reason != _Py_GC_REASON_SHUTDOWN) {
         invoke_gc_callback(gcstate, "stop", generation, &stats);
     }
-    else {
+    else if (false) {
         FILE *out = stderr;
 
         fprintf(out, "GC[%d] total tuples    : %zd\n", 0, gcstate->generation_stats[0].total_tuples);
@@ -2316,7 +2316,7 @@ _PyObject_GC_Link(PyObject *op)
     GCState *gcstate = &tstate->interp->gc;
     gc->_gc_next = 0;
     gc->_gc_prev = 0;
-    gcstate->young.count++; /* number of allocated GC objects */
+    //gcstate->young.count++; /* number of allocated GC objects */
     gcstate->heap_size++;
     if (gcstate->young.count > gcstate->young.threshold &&
         gcstate->enabled &&
@@ -2448,9 +2448,9 @@ PyObject_GC_Del(void *op)
 #endif
     }
     GCState *gcstate = get_gc_state();
-    if (gcstate->young.count > 0) {
-        gcstate->young.count--;
-    }
+    //if (gcstate->young.count > 0) {
+    //    gcstate->young.count--;
+    //}
     gcstate->heap_size--;
     PyObject_Free(((char *)op)-presize);
 }