![CPU Limiter](https://bitsum.com/wp-content/uploads/cpulimiter.png)
Process Lasso 9.3 – CPU Limiter
Process Lasso 9.3 features our new CPU Limiter, increased precision of CPU use measurements, options menu categories, a refactored SmartTrim, better update notifications and more!
CPU Limiter
The CPU Limiter offers a graceful way to dynamically limit CPU utilization of an application when it exceeds a set threshold. It does this by temporarily constraining the number of CPU cores a process has access to. It selects which CPU cores to remove from the process randomly. For specific CPU core assignments, use persistent CPU affinities or Watchdog rules.
![CPU Limiter Log Events](https://bitsum.com/wp-content/uploads/cpulimiter_log.png)
![CPU Limiter](https://bitsum.com/wp-content/uploads/cpulimiter.png)
Like other types of rules, you can optionally on match the user name by appending them with a colon. So if you wanted to limit the CPU usage of chrome.exe for Jack.Smith, then define the match string as ‘chrome.exe:jack.smith’. You can use wildcards for both the process and user names.
Increased Precision
We’ve also increased the precision of per-process CPU utilization to the hundredths. This is important for high-core-count systems where it takes considerable CPU use to add up to even 1%.
![CPU use percentages in hundredths](https://bitsum.com/wp-content/uploads/cpu_percent.png)
Menu Organization
The Options menu is now more navigable with some rough categorization of the various functions available in Process Lasso.
![](https://bitsum.com/wp-content/uploads/options_menu.png)
SmartTrim Refactored
Another notable change is a refactored SmartTrim, now offering the ability to purge the stand-by list (RAM cache) when a threshold is reached. Previously it only offered a selective trim of working sets when per-process quotes were exceeded. This is a popular tweak in the gaming community, and we aim to please. However, we still don’t recommend general use of this feature.
![](https://bitsum.com/wp-content/uploads/smarttrim.png)
Improved Updater
Finally, our already excellent product updater now makes use of standard Windows notifications, thus adhering to any ‘Do not disturb’ preferences. The optional prompt-less updater has also been certified to be entirely silent, not interrupting full-screen activities like gaming.
![](https://bitsum.com/wp-content/uploads/update_available.png)
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