As someone who loves diving into the nitty-gritty of home automation, I’ve been exploring ways to make my smart home setup more efficient. One thing that caught my attention is the idea of reducing the number of device attribute reads in my rules. I’ve noticed that my rules often reference the same device attributes multiple times, and I’m curious if this could be causing any performance bottlenecks.
From what I understand, device attribute reads pull data from the hub’s database, which is updated periodically through polling. So, if my rule checks the same attribute repeatedly, could this be impacting performance? I decided to experiment with storing these attributes in local variables at the start of the rule and referencing them throughout. Here’s a quick comparison of my old and proposed rule structures:
Old Rule Structure (Pseudo-Code):
plaintext
if (device.battery > 80 AND device.switch.state = ON) then
// do something
else-if (device.battery > 80 AND device.switch.state = OFF) then
// do something else
else-if (device.battery < 70 AND device.switch.state = ON) then
// do something else
else-if (device.battery < 70 AND device.switch.state = OFF) then
// do something
end-if
Proposed Rule Structure (Pseudo-Code):
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set varBatt = device.battery
set varSwState = device.switch.state
if (varBatt > 80 AND varSwState = ON) then
// do something
else-if (varBatt > 80 AND varSwState = OFF) then
// do something else
else-if (varBatt < 70 AND varSwState = ON) then
// do something else
else-if (varBatt < 70 AND varSwState = OFF) then
// do something
end-if
This change seems simple, but I’m hopeful it could make my rules more efficient. I’d love to hear from others who’ve tackled similar optimizations or have insights into how the hub handles these attribute reads. Is there a noticeable difference in performance when reducing repeated queries? I’m excited to explore this further and see if it can lead to smoother automation in my smart home setup!