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0001 ---
0002 title: "Instructor Notes"
0003 ---
0004
0005 This tutorial builds on [Setting Up Your Environment](https://eic.github.io/tutorial-setting-up-environment/):
0006 learners are expected to already have a working `eic-shell` before the session.
0007
0008 ## Before the session
0009
0010 - Ask learners to complete the [Setup](../learners/setup.md) page in advance so that `eic-shell` is
0011 downloaded and working. Downloading the container can take a long time on systems without
0012 `/cvmfs`.
0013 - The modifying-geometry episode compiles a local clone of the [`epic`](https://github.com/eic/epic)
0014 repository. The first `cmake --build` can take a while; encourage learners to use `-j` and to
0015 start the clone/build early.
0016
0017 ## Timing
0018
0019 The lesson is roughly 45 minutes of teaching plus an hour of exercises. The compile step in the
0020 final episode and the optional `npsim` runs dominate the wall-clock time, so keep an eye on the
0021 container build finishing before moving on.
