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Date/Time: Tue, 16 Apr 2024 06:52:20 +0000



Is it possible to make Study/Price Overlay less CPU intensive?

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[2021-02-27 14:21:21]
cmet - Posts: 534
I use Study/Price Overlay quite a bit and what I've noticed over the years is that this is likely the most CPU intensive element in Sierrachart.

This seems to be a random increase at times when the software is updated and other times it has to be singled out by deleting charts/elements one by one.

This CPU spike is especially noticeable if you overlay a study from a slightly faster chart onto a slower one. This will often pin a core to 100% usage and interaction with the cursor has a 1-3 second delay.

It also happens sometimes between different chart types that imply different speeds (2-1 point and figure over a 6 tick range, etc).

My question is whether it's possible at some point to make this less intensive on CPU usage or introduce some way to easily single out which chart/overlay is causing the problem?
[2021-02-27 16:15:37]
Sierra Chart Engineering - Posts: 104368
The study is efficient. There must be something unusual that you are doing that is causing the issue.

That study definitively does not use high CPU usage. You can easily test and verify that by starting a new Chartbook with two charts, and overlay a single study on one chart to the other. And just use a simple study like a moving average on the source chart. Anyone can verify this.
Sierra Chart Support - Engineering Level

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Date Time Of Last Edit: 2021-02-27 16:16:21
[2021-02-27 16:42:30]
cmet - Posts: 534
I'm using 10 overlays +.

The overlay is almost certainly the problem in my opinion. I can track core usage and then delete one item at a time until the core is released and drops back down. It is ALAYS the overlay.

Try pulling up something like a 8 tick range chart and a 2 tick range chart. Throw 5-6 studies on the 2 tick.

Then overlay them onto the 8 tick and watch your core usage spike.
[2021-02-27 19:53:34]
GravisHTG - Posts: 303
did you use the main instance for Download only and sub instance for charting and did you put different Core assignment for each Sierra Chart.EXE ?

if not , maybe this will help.
Date Time Of Last Edit: 2021-02-27 20:31:02

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