3 ms·

I would guess it's a play on in situ.

• taneq 8y ago
  Or 'in vitro' ('in glass' ie. 'in a test tube'), as opposed to 'in vivo' ('in life').
  • veddox 8y ago
    Yes, in biology we use in silico to extend this previous distinction between in vivo and in vitro.
• p1esk 8y ago
  In my field (analog hardware for deep learning) "in situ" (e.g. in situ training) means operations are executed in hardware, while "ex-situ" means a simulation of the hardware running the model is done in software (on CPU/GPU).