How do you know local rank in icet?

The local rank of a process in ICET (Imperial College Extended Toolkit) can be determined using the `get_local_rank` method. Here's how you can do it:

```python

import icet

Initialize ICET

icet.init()

Get the local rank of the current process

local_rank = icet.get_local_rank()

Print the local rank

print(f"Local rank: {local_rank}")

```

The `get_local_rank` method returns the local rank of the current process within the ICET context. ICET allows you to distribute computations across multiple processes or GPUs, and each process or GPU has a unique local rank. The local rank is typically used to identify the current process and assign specific tasks or data to it.

It's important to note that the local rank is only relevant within the ICET environment and may not correspond to the actual rank of the process in the underlying operating system. The local rank is primarily used for communication and coordination among processes within an ICET job.