# Speed up the reconstruction

**URL:** <https://discourse.itk.org/t/speed-up-the-reconstruction/6599>\
**Category:** Algorithms\
**Tags:** rtk, python\
**Created:** [April 26, 2024, 7:53am UTC](https://discourse.itk.org/t/speed-up-the-reconstruction/6599 "2024-04-26T07:53:15Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![dzenanz](https://discourse.itk.org/user_avatar/discourse.itk.org/dzenanz/32/1093_2.png) [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Post date:** [April 26, 2024, 12:59pm UTC](https://discourse.itk.org/t/speed-up-the-reconstruction/6599/2 "2024-04-26T12:59:58Z")

</div>

GPU classes are parallel by their very nature. The only other significant function is `create_module`, taking 32 seconds. This might be the loading and import of all the Python modules. If you have `itkConfig.LazyLoading = False` in your code, try removing it or setting it to `True`.

---

_[View the full topic](https://discourse.itk.org/t/speed-up-the-reconstruction/6599)._