Hacker NewsMar 1

Why is the first C++ (m)allocation always 72 KB?

https://joelsiks.com/posts/cpp-emergency-pool-72kb-allocation/

#HackerNews #C++ #MemoryManagement #Allocation72KB #ProgrammingInsights #HackerNews

Why is my first C++ (m)allocation always 72 KB?

Why is my first C++ (m)allocation always 72 KB?? It’s the ’emergency pool’ for exceptions, here’s how I uncovered it using GDB and digging through the source code of libstdc++, glibc and Valgrind!