296: Giant Buffers of Floats

Cross-Platform

Adobe's efforts to make Photoshop compatible across different platforms have led to unique challenges. Casey Liss and John Siracusa discuss how Adobe has created a unified user interface that doesn't quite feel native to any platform, leading to a distinct "Adobe interface" that stands apart from traditional Mac or Windows applications 1. This approach, while beneficial for cross-platform consistency, has drawn criticism from users who prefer native experiences. Siracusa notes, "They don't feel like Mac apps. They feel like Adobe apps," highlighting the trade-offs involved in Adobe's strategy 2.

   

Memory Management

Adobe's approach to memory management on iPads is rooted in its historical experience with Mac and Windows systems. John Siracusa explains that Adobe had to develop its own virtual memory system for Photoshop to handle large files on platforms without native swap capabilities 3. This technique allows Photoshop to manage memory constraints by creating its own swap files, a method dating back to its origins on classic macOS. Siracusa finds it intriguing that "code from classic macOS has risen from the grave," potentially giving Adobe a competitive edge over other image editors 4.