Big disclaimer: I am not a GC expert/writer; all the things that are written bellow are subject to changes and some of them might be way too simplistic. Please take this with a grain of salt. I will only speak about Shenandoah, as I think I understand it; which is not a generational GC. There … Read more
I found the answer provided by greyfairer is wrong. The JVM runtime does not gather the root set from stack by looking at what bytecodes are used to push data on the stack. The stack frame consists of 4 byte(32bit arch) slots. Each slot could be a reference to a heap object or a primitive … Read more
Plans for Go 1.4+ garbage collector: hybrid stop-the-world/concurrent collector stop-the-world part limited by a 10ms deadline CPU cores dedicated to running the concurrent collector tri-color mark-and-sweep algorithm non-generational non-compacting fully precise incurs a small cost if the program is moving pointers around lower latency, but most likely also lower throughput, than Go 1.3 GC Go … Read more
This answer to this question is as found here: Python PySide (Internal c++ Object Already Deleted) Apparently, assigning one widget to QMainWindow using setCentralWidget and then assigning another widget with setCentralWidget will cause the underlying c++ QWidget to be deleted, even though I have an object that maintains reference to it. Note: QMainWindow takes ownership … Read more