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Aug 3, 2025
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docs: add a video for lazy execution #5890

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Binary file added docs/_static/docs-lazy-execution.mp4
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10 changes: 6 additions & 4 deletions docs/guides/configuration/runtime_configuration.md
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@@ -1,11 +1,11 @@
# Runtime configuration

Through the notebook settings menu, you can configure how and when marimo
runs cells.
Through the notebook settings menu, you can configure how and when marimo runs
cells.

<video controls width="100%" height="100%" align="center" src="/_static/docs-runtime-config.mp4"> </video>

## On startup
## Disable autorun on startup

By default, marimo notebooks run automatically on startup; just how the command

Expand All @@ -26,7 +26,9 @@ Disable this behavior by unchecking "Autorun on startup".
_When sharing a notebook as an app with `marimo run`, this setting has
no effect._

## On cell change
## Disable autorun on cell change (lazy execution)

<video controls width="100%" height="100%" align="center" src="/_static/docs-lazy-execution.mp4"> </video>

By default, when a cell is run or a UI element is interacted with, marimo
automatically runs cells that reference any of its variables. **You can disable
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2 changes: 1 addition & 1 deletion docs/guides/expensive_notebooks.md
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Expand Up @@ -45,7 +45,7 @@ def __():

If you habitually work with very expensive notebooks, you can
[disable automatic
execution](../guides/configuration/runtime_configuration.md#on-cell-change). When
execution](../guides/configuration/runtime_configuration.md#disable-autorun-on-cell-change-lazy-execution). When
automatic execution is disabled, when you run a cell, marimo
marks dependent cells as stale instead of running them automatically.

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