I wonder if they&#x27;ve considered using libjpeg-turbo instead of libjpeg9a, which comes with a lot of SIMD optimization and is regarded to be 2x-5x as fast as IJG&#x27;s implementation.[1]<p>[1] <a href="http:&#x2F;&#x2F;www.libjpeg-turbo.org&#x2F;About&#x2F;Performance" rel="nofollow">http:&#x2F;&#x2F;www.libjpeg-turbo.org&#x2F;About&#x2F;Performance</a>