# \#backend

**URL:** https://pyfr.discourse.group/tag/backend/9.md

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## [What's the k in AoSoA?](https://pyfr.discourse.group/t/whats-the-k-in-aosoa/749)

<div class="topic-metadata">

**Author:** [@luli](https://pyfr.discourse.group/u/luli)\
**Replies:** 4\
**Last updated:** [7 March 2023 04:31 UTC](https://pyfr.discourse.group/t/whats-the-k-in-aosoa/749 "2023-03-07T04:31:00Z")

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Hello, I have some trouble in understanding the format of AoSoA. From the introduction of pyfr data structure, I know that the memory arrangement of AoSoA is as shown in the figure.I guess the k in the picture correspond…