Will Mojo eventually include an optional JiT capability in mojo AoT programs? #1157

There are quite a few domains where being able to JIT compile computational kernels would make a lot of sense performance-wise either for capability expansion or in highly-dynamic-yet-specialized systems.

For instance, if one wants to provide their users with a way to write a custom kernel and feed it as-is (i.e. in source form) to the main AoTed program.

Science and engineering are also full of cases where you basically want to "autotune" the very hot stuff at runtime right after a few important variables are set right at launch time. Telling people "please recompile after setting alias my_important_var = N to the value that applies to your case" is not great.