# Parallel data not compiling together?

**URL:** https://fenicsproject.discourse.group/t/parallel-data-not-compiling-together/12961
**Category:** dolfinx
**Created:** [December 6, 2023, 4:54pm UTC](https://fenicsproject.discourse.group/t/parallel-data-not-compiling-together/12961 "2023-12-06T16:54:49Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![dokken](https://yyz2.discourse-cdn.com/free1/user_avatar/fenicsproject.discourse.group/dokken/32/1560_2.png) [@dokken](https://fenicsproject.discourse.group/u/dokken)
#### Post date: [December 7, 2023, 11:43am UTC](https://fenicsproject.discourse.group/t/parallel-data-not-compiling-together/12961/4 "2023-12-07T11:43:04Z")

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There are many things to make your code use less memory. See for instance: [Form compilation — FEniCS Tutorial @ Sorbonne](http://jsdokken.com/FEniCS23-tutorial/src/form_compilation.html)  
or  
[PETSc NonlinearProblem running slow - #4 by dokken](https://fenicsproject.discourse.group/t/petsc-nonlinearproblem-running-slow/12871/4)  
[Speed up repeated evaluation, derivative (and assembly) of form - #2 by dokken](https://fenicsproject.discourse.group/t/speed-up-repeated-evaluation-derivative-and-assembly-of-form/10557/2)  
[Out of memory error in frequency for loop - #4 by nate](https://fenicsproject.discourse.group/t/out-of-memory-error-in-frequency-for-loop/8371/4)

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