community – MacBook Air M2 thermal throttling causes extreme display screen sharing lag in Groups and Zoom — any macOS-level fixes?

Title:

MacBook Air M2 thermal throttling causes extreme display screen sharing lag in Groups and Zoom — any macOS-level fixes?

Tags:

macbook-air, screen-sharing, efficiency, thermal, microsoft-teams

Physique:

Drawback:

My MacBook Air M2 (16 GB RAM, macOS) experiences extreme lag when display screen sharing in video conferencing apps (Microsoft Groups and Zoom). The lag is seen to assembly contributors and makes display screen sharing unusable for prolonged intervals.

Surroundings:

• MacBook Air M2, 16 GB RAM
• macOS (newest model)
• Wi-Fi 6 (802.11ax), 186 Mbps down / 302 Mbps up
• Situation happens with: Groups desktop app, Groups in Safari, Zoom
• A colleague on Home windows with slower web (124 Mbps) has no lag on the identical platforms

Noticed habits throughout display screen sharing:

• WindowServer CPU spikes to 80-90%
• kernel_task CPU rises to 30-50%
• Exercise Monitor reveals progressive CPU throttling over time
• Lag worsens the longer display screen sharing continues

What I’ve already tried:

• Sharing a single window as a substitute of complete display screen
• Decreasing built-in show decision
• Disconnecting exterior monitor
• Disabling digicam throughout display screen sharing
• Closing all non-essential apps and background processes
• Enabling Cut back movement and Cut back transparency (Accessibility > Show)
• Disabling Highlight indexing quickly (sudo mdutil -a -i off)
• Eradicating CPU-heavy background processes (duetexpertd, mds_stores, BackgroundShortcutRunner)
• Upgrading router from 802.11ac to 802.11ax (Wi-Fi 6)
• Reinstalling each Groups and Zoom

My evaluation:

The MacBook Air M2’s fanless passive-cooling design seems unable to dissipate warmth quick sufficient throughout the sustained CPU load of steady display screen seize (WindowServer) + video encoding. kernel_task throttles CPU to handle thermals, inflicting the seen lag.

Query:

Are there any macOS-level settings, Terminal configurations, or third-party instruments that may cut back WindowServer’s CPU utilization throughout display screen sharing, or in any other case mitigate thermal throttling on a fanless MacBook Air M2? I am searching for software-side options since changing the {hardware} is not a direct choice.