Job Scheduling System for UI Update Rate Optimization
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Solution Overview
Problem
Delays occur in displaying user interface updates due to the time required to perform various actions, such as retrieving and displaying thumbnail images or previews, especially when users provide rapid inputs.
Innovation Solution
A job scheduling system that modifies a set of jobs to be performed based on a user interface update rate, excluding jobs that are not estimated to run prior to the next user input, thereby optimizing the presentation of the current user interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the system performs all jobs to retrieve and display thumbnail images and previews, then the user interface is complete and accurate, but delays occur between user input and display update
Solution Approach 1:
The system performs preliminary actions by pre-loading and caching thumbnail images and previews before they are actually needed. When a user navigates to a new page or section, the content is already prepared in the cache, eliminating display delays. This is achieved through background threading that proactively fetches and stores media content anticipating user navigation patterns.
Solution Approach 2:
The system dynamically adjusts the set of jobs to be performed based on the determined UI update rate. When the UI update rate indicates rapid user input, the system selectively excludes certain jobs from execution, prioritizing only critical display updates. This dynamic adaptation allows the system to respond quickly to user actions while maintaining acceptable UI accuracy.
2Reliability
If the system retrieves and displays all thumbnail images and previews from remote sources, then the user interface is complete, but the quantity of data and processing time increase
Solution Approach 1:
The system extracts and separates critical display jobs from non-critical jobs. By identifying and excluding jobs that are not estimated to run prior to the next user input, the system processes only the essential subset of jobs needed for current UI display. This extraction of necessary jobs from the complete job set improves processing speed while maintaining UI completeness for the current view.
Solution Approach 2:
The system performs partial action by selectively executing only the portion of jobs that will complete before the next user input is expected. Rather than performing all possible jobs to ensure complete UI rendering, the system accepts that some jobs may not complete but prioritizes those that will, achieving acceptable UI completeness within the available time window.
3Adaptability or versatility
If the system processes multiple user inputs in quick succession, then the user interface should reflect all changes, but the program cannot complete all actions from previous inputs
Solution Approach 1:
The system dynamically adapts its job processing behavior based on the UI update rate determined from recent user input patterns. When rapid successive inputs are detected, the system adjusts by excluding jobs that cannot be completed in the shortened time window, ensuring the UI remains responsive to the latest user input while accepting that some earlier jobs may not complete.
Solution Approach 2:
The system uses feedback from the UI update rate measurement to adjust its job processing strategy. By monitoring the time between user inputs and determining the UI update rate, the system receives feedback about user behavior patterns and adapts its job execution accordingly, prioritizing jobs that can be completed within the observed input intervals.
Data Source
AI summary
A job scheduling system determines a rate at which a user is providing user inputs to a user interface of a computing device. A set of jobs that is to be performed to display or otherwise present a current view of the user interface is identified in response to a user input. This set of jobs is modified by excluding from the set of jobs at least one job that is not estimated to run prior to the next user input. The user interface is displayed or otherwise presented as the modified set of jobs is performed.