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Apple Offers Steps to Fix Daylight Saving Time Bug on Apple Watch

Apple has published a support document describing what to do if your Apple Watch continues to show time that's off by one hour after daylight savings time changes. "This incorrect time appears only on the Always On display when your wrist is down," says Apple. "When you activate the display by tapping it or raising your wrist, the time changes to the correct hour." To fix the issue, Apple says to…

Apple Offers Steps to Fix Daylight Saving Time Bug on Apple Watch

Apple has released a support document outlining steps to address a bug that causes Apple Watch time to display incorrectly by one hour following daylight saving time changes. According to Apple, this incorrect time is visible only on the Always On display when the watch is resting on the wrist. However, tapping the display or raising the wrist causes the time to correct itself to the proper hour.

To resolve the issue, Apple recommends switching to a different watch face and then returning to the original one, or restarting the device. MacRumors had previously reported that Apple Watch users in Europe experienced the same problem during the recent clock change. Daylight saving time concluded across most of the United States on Sunday, November 1.

Written by urgent.news from MacRumors's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.

Read the original at macrumors.com →

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How Does Rust Code Run on a GPU? Tracing cuda-oxide and PTX

I used cuda-oxide to run a vector addition kernel written in Rust on a GPU. Pass in two arrays and get back their element-wise sums. The calculation is simple, but I wanted to understand what form that Rust function takes before it reaches the GPU. Among the files generated during the build was some code called PTX.

  • Rust code is compiled into PTX for GPU execution using cuda-oxide
  • PTX represents Parallel Thread Execution for NVIDIA GPUs
  • cuda-oxide translates Rust thread indexing and array access to PTX

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