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Improving performance of BlurHashDecode (Swift) #215

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Improving performance of BlurHashDecode (Swift) #215

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@kevin-hv kevin-hv commented Oct 28, 2022

Replaced for loops with while loops, which drastically improves the performance.

Test data:

  • Hash: "B05iM@00009Y-;xv"
  • Size: .init(width: 400, height: 200)
  • Punch: 1

Resulting in image loadtime:

  • From: 0.2589300870895386
  • To: 0.034584999084472656

@evanw evanw mentioned this pull request Mar 23, 2023
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@jerry-git jerry-git added Swift algorithm Relates to the BlurHash algorithm labels Jan 15, 2024
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