---
title: thunder.last_compile_options
description: Prints how compiled options were used (or not)
canonical: >-
  https://lightning.ai/docs/thunder/stable/api-reference/generated/thunder.last_compile_options
---
# thunder.last_compile_options {#thunder-last-compile-options}

### `thunder.last_compile_options(fn, /)` {#thunder.last_compile_options}

[\[source\]](https://github.com/Lightning-AI/lightning-thunder/blob/0.2.6/thunder/__init__.py#L1061-L1096)

Prints how compiled options were used (or not)

Return type:

[`None`](https://docs.python.org/3/builtins/constants.html#None "(in Python v3.15)")

Parameters:

**fn** ([_Callable_](https://docs.python.org/3/library/collections.abc.html#collections.abc.Callable "(in Python v3.15)")) –

---

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