Minor PNG Encoding Optimization for DeflaterEngine and WuQuantizer #2023
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ratok-mk
changed the title
gfoidl
reviewed
Feb 22, 2022
Co-authored-by: Günther Foidl <[email protected]>
Fixed CodeStyle warnings
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This was referenced Jul 23, 2025
This was referenced Jul 30, 2025
This was referenced Sep 23, 2025
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Prerequisites
Description
I investigated some possible code optimizations and found minor issues with unnecessary operations in:
It is connected to the following discussion
A comparison with BenchmarkDotNet showed ~3% improvement for a 2560 x 1920 image 16 Bit Grayscale Image.
Also used existing test 'ImageSharp Png' for .NET 5.0:
Before (mean): 36.07ms
Optimized (mean): 35.62 ms