Hybrid Printer Driver Rendering Location Optimization
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Solution Overview
Problem
Current printing systems experience performance degradation due to inefficient rendering of print jobs, particularly with unsupported or complex graphic primitives and memory constraints, as well as poorly constructed graphics, leading to suboptimal printing performance.
Innovation Solution
A hybrid printer driver dynamically determines the most efficient location for rendering print jobs by analyzing system configurations and job attributes, allowing rendering to be performed either on the host computer or the printer, optimizing the process based on processor speed, memory availability, and other factors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If rendering is performed on the printer, then printing device autonomy is improved, but printing speed and efficiency deteriorate due to processor limitations and memory constraints
Solution Approach 1:
The system dynamically determines the rendering location (host or printer) based on real-time analysis of job attributes, printer capabilities, and system configuration rather than using a fixed rendering approach. This dynamic adaptation resolves the contradiction by allowing the system to switch between renderer locations optimally
Solution Approach 2:
The rendering process is segmented into different location options (host-based rendering vs. printer-based rendering), allowing the system to divide the rendering task and execute it at the most appropriate location based on specific job requirements and resource availability
2Adaptability or versatility
If complex graphic primitives are rendered on the printer, then device independence is improved, but memory overruns and performance degradation occur
Solution Approach 1:
The system performs preliminary analysis of the print job attributes and complexity before rendering. By evaluating job characteristics in advance, the system can determine whether to render on the host or printer, preventing memory overruns before they occur
Solution Approach 2:
The host computer acts as an intermediary for complex rendering tasks. Instead of the printer directly handling all graphic primitives, the host serves as an intermediate rendering platform for complex jobs, relieving the printer's memory constraints while maintaining device independence
3Power
If rendering is performed on the host computer, then processing power is improved, but transmission data volume and network load increase
Solution Approach 1:
The system applies different rendering strategies to different portions of print jobs based on local characteristics. Simple graphics are rendered locally on the printer to minimize transmission, while complex graphics are rendered on the host, creating local quality variations in the rendering approach
Data Source
AI summary
A printing system for processing a print job includes a host computer; and a printer in communication with the host computer. The host computer comprises a printer driver that determines whether each print job unit can be more efficiently rendered on the host computer or on the printer and processes the print job accordingly. A method of processing a print job includes determining whether each step in rendering a print job unit of the print job can be more rapidly completed on a host computer or on a printer, and rendering the print job accordingly.