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Author Topic: Slow Shortcuts app  (Read 47 times)


  • Addicted Kitizen
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  • Retd sw dev; A&A; 4 ◊ 7km ADSL2; IPv6; Firebrick
Slow Shortcuts app
« on: November 21, 2020, 10:17:04 PM »

I wrote a Shortcuts subroutine which is a text processing filter. It scans an XML config file for a Firebrick 2700/2900 and converts it into legal XML for an FB2500 (which has no USB port in it for a 3G/4G USB Ďdongleí NIC.) Running it on a real XML config file is painfully slow, taking many minutes - I lost count, bored. It isnít loading the CPU up fully; only something like 20-25% according to a system status app that I have.

I wondered about trying it on my wifeís iPad Pro v3, which is double the speed (on one core) of my iPad Po v1, and quadruple if all cores are utilised. But I donít know how to copy a Shortcuts program onto another machine. But Iím not sure thereís any point if the thing isnít correctly CPU-bound, as it should be.

Any idea what might be going on? Iím wondering if this is a badness in iOS 14ís new version of Shortcuts, which has had massive changes, all for the good, apart from possibly this and a display layout change to proportional fronts that means that existing programsí layout is now all screwed up.

I sent in a bug report to Apple. This has to be worthy of one.