# Building for Performance

**URL:** <https://forum.inductiveautomation.com/t/building-for-performance/71082>\
**Category:** Ignition\
**Tags:** ignition81, perspective\
**Created:** [March 15, 2023, 9:53am UTC](https://forum.inductiveautomation.com/t/building-for-performance/71082 "2023-03-15T09:53:12Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [August 6, 2024, 3:39pm UTC](https://forum.inductiveautomation.com/t/building-for-performance/71082/4 "2024-08-06T15:39:03Z")

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A link to one of my experiments belongs here:

> [@Tag binding or expression to read dynamic list of tags](https://forum.inductiveautomation.com/t/tag-binding-or-expression-to-read-dynamic-list-of-tags/76610/16):
>
> Collected some overhead stats. Added a sixth binding for comparison, and made them all trigger from a common reference. The new expression transform looks like this: nanoTime() - {value} It is notably faster than the other transforms. To make the recorder() run smoothly, I made a trigger timestamp with now({this.custom.pace}) and set pace to 200. Then I modified the transforms' first stages to look like this: asList( {this.custom.trigger}, nanoTime() )[1] The non-transform tests of run…

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