# Grumble: performance hit using String.ToDouble vs Val

**URL:** <https://forum.xojo.com/t/grumble-performance-hit-using-string-todouble-vs-val/88943>\
**Category:** General\
**Created:** [September 29, 2026, 2:23pm UTC](https://forum.xojo.com/t/grumble-performance-hit-using-string-todouble-vs-val/88943 "2026-09-29T14:23:53Z")\
**Posts on this page:** 1\
**Showing post:** 11

<div class="post-metadata">

**Author:** ![Mike\_D](https://forum.xojo.com/user_avatar/forum.xojo.com/mike_d/32/266_2.png) [@Mike\_D](https://forum.xojo.com/u/Mike_D)\
**Post date:** [September 30, 2026, 2:19pm UTC](https://forum.xojo.com/t/grumble-performance-hit-using-string-todouble-vs-val/88943/11 "2026-09-30T14:19:20Z")

</div>

If you have to process a lot of string data to doubles, you may want to check out some of the techniques used here: [Xojo1BRC (Xojo One Billion Row Challenge)](https://forum.xojo.com/t/xojo1brc-xojo-one-billion-row-challenge/82844)

---

_[View the full topic](https://forum.xojo.com/t/grumble-performance-hit-using-string-todouble-vs-val/88943)._