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Category: iOS

Looking for performance clues

We’ve written before about how the operating system and other software can influence test scores and even battery life. Benchmarks like the XPRTs provide overall results, but teasing out which factors affect those results may require some detective work. The key is to collect individual data points as evidence to what may be causing performance [...]

Digging deeper

From time to time, we like to revisit the fundamentals of the XPRT approach to benchmark development. Today, we’re discussing the need for testers and benchmark developers to consider the multiple factors that influence benchmark results. For every device we test, all of its hardware and software components have the potential to affect performance, and [...]

Exploring virtual reality

We’ve talked a lot in recent weeks about new technologies we are evaluating for the XPRTs. You may remember that back in June, we also wrote about sponsoring a second senior project with North Carolina State University. Last week, the project ended with the traditional Posters and Pies event. The team gave a very well [...]

Tracking device evolution with WebXPRT ’15, part 2

Last week, we used the Apple iPhone as a test case to show how hardware advances are often reflected in benchmark scores over time. When we compared WebXPRT 2015 scores for various iPhone models, we saw a clear trend of progressively higher scores as we moved from phones with an A7 chip to phones with [...]

Getting it right

Back in April Bill announced that we are working on a cross-platform benchmark. We asked for your thoughts and comments, and you’ve been great! We really appreciate all the great ideas. We’ve been using code from MobileXPRT and TouchXPRT as the basis for some experiments. In his post, Bill talked about the difficulty of porting [...]

Looking ahead

It’s only been a couple of weeks since we announced a cross-platform XPRT. It’s still early days, but we’ve already started getting ideas from vendors and media—from both people within the community and those who have not yet joined. We’re incorporating these ideas into our investigations, and plan to be sending a design document for [...]

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