# Processing Compiler?

**URL:** <https://discourse.processing.org/t/processing-compiler/22101>\
**Category:** Processing for Pi\
**Created:** [June 23, 2020, 3:03pm UTC](https://discourse.processing.org/t/processing-compiler/22101 "2020-06-23T15:03:36Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![monkstone](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/monkstone/32/64_2.png) [@monkstone](https://discourse.processing.org/u/monkstone)\
**Post date:** [June 23, 2020, 3:34pm UTC](https://discourse.processing.org/t/processing-compiler/22101/2 "2020-06-23T15:34:23Z")

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What you need to know is the processing ide includes an [antlr](https://www.antlr.org) pre-processor that converts the \*.pde to java.  
You can find that file in your `/tmp` folder on linux. It is this java code that gets compiled to run a sketch. In fact the compiled code also get stored in the `/tmp` folder. PS I get quite reasonable performance on my [RaspberryPI4 (4G)](https://discourse.processing.org/t/video-capture-on-raspberrypi4-with-manjaro-arm/21523).

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