Archive

2021

DEVELOPMENT  |  PDF • Tips • Performance • Insights How a B-Tree Helped Reduce Memory Usage in Our Framework This blog post describes the approach we took to save around 15 percent of memory in our framework by first identifying bottlenecks, and then changing one of our dictionary implementations to use a specialized data structure known as a B-tree.

DEVELOPMENT  |  Web • JavaScript • Performance Frontend Performance Enhancements at PSPDFKit A short article about the principles of performance improvements at PSPDFKit.

2020

DEVELOPMENT  |  Web • WebAssembly • Tips • Performance Migrating to the New Emscripten LLVM Backend We share the experience of migrating from the old Fastcomp backend to the new LLVM backend in Emscripten.

DEVELOPMENT  |  Web • JavaScript • Performance • Insights The Generalized CRUD API of PSPDFKit for Web An introduction to why and how we designed the brand-new unified CRUD API in PSPDFKit for Web.

DEVELOPMENT  |  iOS • Swift • Performance Using Metal to Apply Image Filters An overview of how to use Metal to apply filters to images to perform a simple color inversion on the input image.

DEVELOPMENT  |  iOS • macOS • Objective-C • Performance • Insights Direct Calls with Objective-C Apple introduced the objc_direct attribute in Xcode 12. Learn what it does and how you can use it to your advantage.

DEVELOPMENT  |  Web • JavaScript • C++ • WebAssembly • How To • Performance How to Use WebAssembly Modules in a Web Worker A short tutorial showing the use of WebAssembly in a web worker.

DEVELOPMENT  |  iOS • macOS • Tips • Performance • Xcode Automated Profiling Runs in Instruments Learn how to automate measurement runs with Instruments.

DEVELOPMENT  |  C++ • Tips • Performance How to Effectively Measure the Performance of Your Code This blog post explains why software that performs well is important and how we measure code performance at PSPDFKit.

DEVELOPMENT  |  C++ • Tips • Performance Investigating the Performance Overhead of C++ Exceptions C++ exceptions have their place, but using an alternative is recommended for general program flow control.

DEVELOPMENT  |  C++ • Tips • Performance Compiler-Based Lock Checking in C++ A short introduction to compiler-based lock checking in C++ with Clang using Thread Safety Analysis

2019

TUTORIALS  |  PDF • How To • Performance • Forms Tips for Creating a Maintainable and Fast PDF Form This article offers some tips for creating a PDF form so that the document is maintainable and performs well in PDF viewers.

2018

DEVELOPMENT  |  iOS • Swift • Objective-C • Performance Using Signposts for Performance Tuning on iOS A look at the different ways that we measure and try to improve performance at PSPDFKit.

DEVELOPMENT  |  Web • PWA • Performance • Open Source PWA — Progressive Web Applications PSPDFKit for Web and Progressive Web Applications: an open source example and guide.

DEVELOPMENT  |  Web • WebAssembly • Performance A Real-World WebAssembly Benchmark A WebAssembly Benchmark for browser vendors to test a real-world production application.

PRODUCTS  |  Web • Performance • Insights Scaling PSPDFKit Server A quick look at how we added horizontal scalability to PSPDFKit Server.

DEVELOPMENT  |  Android • Performance • UI/UX Rendering PDFs on Android How to handle rendering large amounts of bitmaps and maintain a slick UX while doing it.

2016

DEVELOPMENT  |  iOS • Performance • Testing • UI/UX Running UI Tests on iOS With Ludicrous Speed