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I mean DynamicalSystems is big - 183 subpackages... it doesn't surprise me that it requires some time to pull it in and make it available to other code.. what's

• jampekka 3y ago
  E.g. javascript can have thousands of subpackages/dependencies and it starts up instantly. Scipy is huge but importing it is practically instant. "Classic" AOT can take ages to compile, but it doesn't have to compile on every run. JS does this by multi-phase JIT. Python by being dog slow in the execution and AOT by being dog slow in the compilation. I think Julia's "JIT-AOT" may be a good approach (and perhaps almost necessary for Julia's dispatch) too but it seems to be very hard to make start up fast.
• ChrisRackauckas 3y ago
  It can be improved though. Part of the issue is my fault and I plan to redo the DiffEq solver defaulting mechanism in order to reduce the amount that needs to precompile. The design of how to do it is already pretty clear and it's mostly about having the time to do the grunt work. I hoped to get it up last month but had a bit too much travel, but it shouldn't go beyond January. After that's up I plan to reassess some of the profiles for what the remaining pieces are and post some future plans for specifically this part of the ecosystem, but for now the ball is in my court and I need to make some improvements here.