profiling - There is a tool named `perf` that uses stackpointers (a feature of...
#pyconus profiling - There is a tool named `perf` that uses stackpointers (a feature of 3.12) and features tangentially related to JITs (3.13) to allow native code profilers to tell you where you python is slow (e.g. too many copies or bad branch prediction)
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My takeaway from that is that #pycharm and #vscode will probably have better profilers soon. I don't think I got the mad skilz to use `perf` & native code profilers on python apps
oh now I see why a copy-paste JIT is isomorphic to instrumenting python for performance profiling. Both wrap each opcode in a little function.